./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-queue-1.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/forester-heap/sll-queue-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9a441ad5f70efa202eb02609b90cbc83f5bf4487618c2a09bffcfe320d65f90 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:54:58,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:54:58,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:54:58,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:54:58,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:54:58,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:54:58,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:54:58,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:54:58,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:54:58,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:54:58,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:54:58,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:54:58,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:54:58,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:54:58,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:54:58,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:54:58,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:54:58,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:54:58,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:54:58,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:54:58,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:54:58,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:54:58,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:54:58,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:54:58,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:54:58,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:54:58,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:54:58,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:54:58,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:54:58,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:54:58,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:54:58,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:54:58,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:54:58,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:54:58,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:54:58,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:54:58,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:54:58,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:54:58,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:54:58,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:54:58,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:54:58,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:54:58,706 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:54:58,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:54:58,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:54:58,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:54:58,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:54:58,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:54:58,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:54:58,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:54:58,709 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:54:58,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:54:58,710 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:54:58,710 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:54:58,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:54:58,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:54:58,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:54:58,711 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:54:58,711 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:54:58,711 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:54:58,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:54:58,711 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:54:58,711 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:54:58,712 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:54:58,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:54:58,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:54:58,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:54:58,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:54:58,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:54:58,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:54:58,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:54:58,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:54:58,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9a441ad5f70efa202eb02609b90cbc83f5bf4487618c2a09bffcfe320d65f90 [2022-02-20 23:54:58,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:54:58,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:54:58,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:54:58,884 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:54:58,885 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:54:58,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-queue-1.i [2022-02-20 23:54:58,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b7be5c4/6034696f1bd841b39d58bff713df887a/FLAG01a8dfa9a [2022-02-20 23:54:59,350 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:54:59,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i [2022-02-20 23:54:59,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b7be5c4/6034696f1bd841b39d58bff713df887a/FLAG01a8dfa9a [2022-02-20 23:54:59,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b7be5c4/6034696f1bd841b39d58bff713df887a [2022-02-20 23:54:59,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:54:59,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:54:59,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:54:59,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:54:59,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:54:59,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:54:59" (1/1) ... [2022-02-20 23:54:59,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432e1c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:59, skipping insertion in model container [2022-02-20 23:54:59,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:54:59" (1/1) ... [2022-02-20 23:54:59,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:54:59,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:54:59,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22387,22400] [2022-02-20 23:54:59,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22458,22471] [2022-02-20 23:54:59,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22532,22545] [2022-02-20 23:54:59,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22624,22637] [2022-02-20 23:54:59,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22701,22714] [2022-02-20 23:54:59,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22796,22809] [2022-02-20 23:54:59,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22873,22886] [2022-02-20 23:54:59,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22956,22969] [2022-02-20 23:54:59,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23051,23064] [2022-02-20 23:54:59,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23128,23141] [2022-02-20 23:54:59,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23211,23224] [2022-02-20 23:54:59,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23300,23313] [2022-02-20 23:54:59,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23386,23399] [2022-02-20 23:54:59,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23532,23545] [2022-02-20 23:54:59,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:54:59,628 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:54:59,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22387,22400] [2022-02-20 23:54:59,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22458,22471] [2022-02-20 23:54:59,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22532,22545] [2022-02-20 23:54:59,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22624,22637] [2022-02-20 23:54:59,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22701,22714] [2022-02-20 23:54:59,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22796,22809] [2022-02-20 23:54:59,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22873,22886] [2022-02-20 23:54:59,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22956,22969] [2022-02-20 23:54:59,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23051,23064] [2022-02-20 23:54:59,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23128,23141] [2022-02-20 23:54:59,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23211,23224] [2022-02-20 23:54:59,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23300,23313] [2022-02-20 23:54:59,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23386,23399] [2022-02-20 23:54:59,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23532,23545] [2022-02-20 23:54:59,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:54:59,681 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:54:59,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:59 WrapperNode [2022-02-20 23:54:59,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:54:59,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:54:59,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:54:59,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:54:59,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:59" (1/1) ... [2022-02-20 23:54:59,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:59" (1/1) ... [2022-02-20 23:54:59,746 INFO L137 Inliner]: procedures = 119, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 222 [2022-02-20 23:54:59,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:54:59,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:54:59,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:54:59,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:54:59,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:59" (1/1) ... [2022-02-20 23:54:59,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:59" (1/1) ... [2022-02-20 23:54:59,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:59" (1/1) ... [2022-02-20 23:54:59,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:59" (1/1) ... [2022-02-20 23:54:59,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:59" (1/1) ... [2022-02-20 23:54:59,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:59" (1/1) ... [2022-02-20 23:54:59,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:59" (1/1) ... [2022-02-20 23:54:59,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:54:59,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:54:59,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:54:59,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:54:59,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:59" (1/1) ... [2022-02-20 23:54:59,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:54:59,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:59,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 23:54:59,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 23:54:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 23:54:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 23:54:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:54:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:54:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:54:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:54:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:54:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:54:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:54:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:54:59,959 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:54:59,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:55:00,457 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:55:00,466 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:55:00,467 INFO L299 CfgBuilder]: Removed 31 assume(true) statements. [2022-02-20 23:55:00,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:55:00 BoogieIcfgContainer [2022-02-20 23:55:00,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:55:00,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:55:00,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:55:00,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:55:00,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:54:59" (1/3) ... [2022-02-20 23:55:00,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2401fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:55:00, skipping insertion in model container [2022-02-20 23:55:00,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:59" (2/3) ... [2022-02-20 23:55:00,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2401fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:55:00, skipping insertion in model container [2022-02-20 23:55:00,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:55:00" (3/3) ... [2022-02-20 23:55:00,475 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-queue-1.i [2022-02-20 23:55:00,478 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:55:00,478 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2022-02-20 23:55:00,518 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:55:00,524 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 23:55:00,524 INFO L340 AbstractCegarLoop]: Starting to check reachability of 70 error locations. [2022-02-20 23:55:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 100 states have (on average 2.26) internal successors, (226), 170 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:00,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:55:00,543 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:00,543 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:55:00,544 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:00,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:00,547 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2022-02-20 23:55:00,553 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:00,553 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517365258] [2022-02-20 23:55:00,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:00,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:00,683 INFO L290 TraceCheckUtils]: 0: Hoare triple {174#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {174#true} is VALID [2022-02-20 23:55:00,684 INFO L290 TraceCheckUtils]: 1: Hoare triple {174#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {176#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:00,685 INFO L290 TraceCheckUtils]: 2: Hoare triple {176#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(1 == #valid[main_~head~0#1.base]); {175#false} is VALID [2022-02-20 23:55:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:00,686 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:00,686 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517365258] [2022-02-20 23:55:00,687 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517365258] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:00,687 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:00,687 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:55:00,689 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356772181] [2022-02-20 23:55:00,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:00,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:55:00,693 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:00,695 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:00,700 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:00,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:00,700 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:00,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:00,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:00,724 INFO L87 Difference]: Start difference. First operand has 171 states, 100 states have (on average 2.26) internal successors, (226), 170 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:00,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:00,996 INFO L93 Difference]: Finished difference Result 169 states and 179 transitions. [2022-02-20 23:55:00,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:00,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:55:00,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 236 transitions. [2022-02-20 23:55:01,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 236 transitions. [2022-02-20 23:55:01,009 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 236 transitions. [2022-02-20 23:55:01,177 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 236 edges. 236 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:01,190 INFO L225 Difference]: With dead ends: 169 [2022-02-20 23:55:01,190 INFO L226 Difference]: Without dead ends: 165 [2022-02-20 23:55:01,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:01,200 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 160 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:01,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 109 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:01,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-02-20 23:55:01,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 161. [2022-02-20 23:55:01,238 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:01,243 INFO L82 GeneralOperation]: Start isEquivalent. First operand 165 states. Second operand has 161 states, 101 states have (on average 1.7128712871287128) internal successors, (173), 160 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,244 INFO L74 IsIncluded]: Start isIncluded. First operand 165 states. Second operand has 161 states, 101 states have (on average 1.7128712871287128) internal successors, (173), 160 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,244 INFO L87 Difference]: Start difference. First operand 165 states. Second operand has 161 states, 101 states have (on average 1.7128712871287128) internal successors, (173), 160 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:01,256 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2022-02-20 23:55:01,256 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 175 transitions. [2022-02-20 23:55:01,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:01,258 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:01,258 INFO L74 IsIncluded]: Start isIncluded. First operand has 161 states, 101 states have (on average 1.7128712871287128) internal successors, (173), 160 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 165 states. [2022-02-20 23:55:01,258 INFO L87 Difference]: Start difference. First operand has 161 states, 101 states have (on average 1.7128712871287128) internal successors, (173), 160 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 165 states. [2022-02-20 23:55:01,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:01,267 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2022-02-20 23:55:01,269 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 175 transitions. [2022-02-20 23:55:01,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:01,274 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:01,274 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:01,274 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 101 states have (on average 1.7128712871287128) internal successors, (173), 160 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 173 transitions. [2022-02-20 23:55:01,279 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 173 transitions. Word has length 3 [2022-02-20 23:55:01,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:01,283 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 173 transitions. [2022-02-20 23:55:01,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 173 transitions. [2022-02-20 23:55:01,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:55:01,283 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:01,284 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:55:01,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 23:55:01,284 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:01,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:01,285 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-02-20 23:55:01,285 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:01,285 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875001484] [2022-02-20 23:55:01,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:01,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:01,355 INFO L290 TraceCheckUtils]: 0: Hoare triple {839#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {839#true} is VALID [2022-02-20 23:55:01,356 INFO L290 TraceCheckUtils]: 1: Hoare triple {839#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {841#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:01,356 INFO L290 TraceCheckUtils]: 2: Hoare triple {841#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(4 + main_~head~0#1.offset <= #length[main_~head~0#1.base] && 0 <= main_~head~0#1.offset); {840#false} is VALID [2022-02-20 23:55:01,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:01,357 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:01,357 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875001484] [2022-02-20 23:55:01,357 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875001484] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:01,357 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:01,358 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:55:01,358 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014433028] [2022-02-20 23:55:01,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:01,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:55:01,359 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:01,359 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,362 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:01,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:01,362 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:01,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:01,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:01,363 INFO L87 Difference]: Start difference. First operand 161 states and 173 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:01,561 INFO L93 Difference]: Finished difference Result 155 states and 165 transitions. [2022-02-20 23:55:01,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:01,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:55:01,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2022-02-20 23:55:01,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2022-02-20 23:55:01,564 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 176 transitions. [2022-02-20 23:55:01,690 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 176 edges. 176 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:01,692 INFO L225 Difference]: With dead ends: 155 [2022-02-20 23:55:01,692 INFO L226 Difference]: Without dead ends: 155 [2022-02-20 23:55:01,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:01,693 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 147 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:01,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 112 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:55:01,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-02-20 23:55:01,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151. [2022-02-20 23:55:01,698 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:01,698 INFO L82 GeneralOperation]: Start isEquivalent. First operand 155 states. Second operand has 151 states, 101 states have (on average 1.603960396039604) internal successors, (162), 150 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,698 INFO L74 IsIncluded]: Start isIncluded. First operand 155 states. Second operand has 151 states, 101 states have (on average 1.603960396039604) internal successors, (162), 150 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,699 INFO L87 Difference]: Start difference. First operand 155 states. Second operand has 151 states, 101 states have (on average 1.603960396039604) internal successors, (162), 150 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:01,702 INFO L93 Difference]: Finished difference Result 155 states and 165 transitions. [2022-02-20 23:55:01,702 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2022-02-20 23:55:01,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:01,702 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:01,703 INFO L74 IsIncluded]: Start isIncluded. First operand has 151 states, 101 states have (on average 1.603960396039604) internal successors, (162), 150 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 155 states. [2022-02-20 23:55:01,703 INFO L87 Difference]: Start difference. First operand has 151 states, 101 states have (on average 1.603960396039604) internal successors, (162), 150 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 155 states. [2022-02-20 23:55:01,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:01,706 INFO L93 Difference]: Finished difference Result 155 states and 165 transitions. [2022-02-20 23:55:01,706 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2022-02-20 23:55:01,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:01,707 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:01,707 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:01,707 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:01,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 101 states have (on average 1.603960396039604) internal successors, (162), 150 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 162 transitions. [2022-02-20 23:55:01,710 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 162 transitions. Word has length 3 [2022-02-20 23:55:01,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:01,711 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 162 transitions. [2022-02-20 23:55:01,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,711 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 162 transitions. [2022-02-20 23:55:01,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:55:01,711 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:01,711 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:01,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 23:55:01,712 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:01,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:01,712 INFO L85 PathProgramCache]: Analyzing trace with hash 59263661, now seen corresponding path program 1 times [2022-02-20 23:55:01,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:01,713 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521745075] [2022-02-20 23:55:01,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:01,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:01,773 INFO L290 TraceCheckUtils]: 0: Hoare triple {1460#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {1460#true} is VALID [2022-02-20 23:55:01,774 INFO L290 TraceCheckUtils]: 1: Hoare triple {1460#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {1462#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:01,774 INFO L290 TraceCheckUtils]: 2: Hoare triple {1462#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {1462#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:01,775 INFO L290 TraceCheckUtils]: 3: Hoare triple {1462#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {1462#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:01,775 INFO L290 TraceCheckUtils]: 4: Hoare triple {1462#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {1463#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:55:01,775 INFO L290 TraceCheckUtils]: 5: Hoare triple {1463#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1463#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:55:01,776 INFO L290 TraceCheckUtils]: 6: Hoare triple {1463#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {1463#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:55:01,776 INFO L290 TraceCheckUtils]: 7: Hoare triple {1463#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !(1 == #valid[main_~item~0#1.base]); {1461#false} is VALID [2022-02-20 23:55:01,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:01,777 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:01,777 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521745075] [2022-02-20 23:55:01,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521745075] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:01,777 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:01,777 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:01,777 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145079822] [2022-02-20 23:55:01,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:01,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-02-20 23:55:01,778 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:01,778 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:01,783 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:01,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:01,783 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:01,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:01,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:01,784 INFO L87 Difference]: Start difference. First operand 151 states and 162 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:02,000 INFO L93 Difference]: Finished difference Result 161 states and 171 transitions. [2022-02-20 23:55:02,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:55:02,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-02-20 23:55:02,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:02,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 178 transitions. [2022-02-20 23:55:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 178 transitions. [2022-02-20 23:55:02,007 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 178 transitions. [2022-02-20 23:55:02,151 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 178 edges. 178 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:02,153 INFO L225 Difference]: With dead ends: 161 [2022-02-20 23:55:02,153 INFO L226 Difference]: Without dead ends: 161 [2022-02-20 23:55:02,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:02,154 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 260 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:02,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 116 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:02,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-02-20 23:55:02,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2022-02-20 23:55:02,179 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:02,180 INFO L82 GeneralOperation]: Start isEquivalent. First operand 161 states. Second operand has 153 states, 108 states have (on average 1.5555555555555556) internal successors, (168), 152 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,180 INFO L74 IsIncluded]: Start isIncluded. First operand 161 states. Second operand has 153 states, 108 states have (on average 1.5555555555555556) internal successors, (168), 152 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,181 INFO L87 Difference]: Start difference. First operand 161 states. Second operand has 153 states, 108 states have (on average 1.5555555555555556) internal successors, (168), 152 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:02,185 INFO L93 Difference]: Finished difference Result 161 states and 171 transitions. [2022-02-20 23:55:02,185 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 171 transitions. [2022-02-20 23:55:02,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:02,186 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:02,186 INFO L74 IsIncluded]: Start isIncluded. First operand has 153 states, 108 states have (on average 1.5555555555555556) internal successors, (168), 152 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 161 states. [2022-02-20 23:55:02,186 INFO L87 Difference]: Start difference. First operand has 153 states, 108 states have (on average 1.5555555555555556) internal successors, (168), 152 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 161 states. [2022-02-20 23:55:02,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:02,190 INFO L93 Difference]: Finished difference Result 161 states and 171 transitions. [2022-02-20 23:55:02,190 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 171 transitions. [2022-02-20 23:55:02,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:02,190 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:02,191 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:02,191 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:02,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 108 states have (on average 1.5555555555555556) internal successors, (168), 152 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 168 transitions. [2022-02-20 23:55:02,194 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 168 transitions. Word has length 8 [2022-02-20 23:55:02,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:02,194 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 168 transitions. [2022-02-20 23:55:02,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,194 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 168 transitions. [2022-02-20 23:55:02,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:55:02,195 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:02,195 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:02,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 23:55:02,195 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:02,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:02,196 INFO L85 PathProgramCache]: Analyzing trace with hash 59263662, now seen corresponding path program 1 times [2022-02-20 23:55:02,196 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:02,196 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471860838] [2022-02-20 23:55:02,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:02,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:02,289 INFO L290 TraceCheckUtils]: 0: Hoare triple {2104#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {2104#true} is VALID [2022-02-20 23:55:02,290 INFO L290 TraceCheckUtils]: 1: Hoare triple {2104#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {2106#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 8))} is VALID [2022-02-20 23:55:02,291 INFO L290 TraceCheckUtils]: 2: Hoare triple {2106#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 8))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {2106#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 8))} is VALID [2022-02-20 23:55:02,291 INFO L290 TraceCheckUtils]: 3: Hoare triple {2106#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 8))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {2106#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 8))} is VALID [2022-02-20 23:55:02,292 INFO L290 TraceCheckUtils]: 4: Hoare triple {2106#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 8))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {2107#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:02,292 INFO L290 TraceCheckUtils]: 5: Hoare triple {2107#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2107#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:02,293 INFO L290 TraceCheckUtils]: 6: Hoare triple {2107#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {2107#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:02,294 INFO L290 TraceCheckUtils]: 7: Hoare triple {2107#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume !(4 + main_~item~0#1.offset <= #length[main_~item~0#1.base] && 0 <= main_~item~0#1.offset); {2105#false} is VALID [2022-02-20 23:55:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:02,294 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:02,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471860838] [2022-02-20 23:55:02,296 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471860838] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:02,296 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:02,296 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:02,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299886539] [2022-02-20 23:55:02,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:02,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-02-20 23:55:02,297 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:02,297 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,303 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:02,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:02,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:02,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:02,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:02,304 INFO L87 Difference]: Start difference. First operand 153 states and 168 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:02,672 INFO L93 Difference]: Finished difference Result 244 states and 260 transitions. [2022-02-20 23:55:02,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:55:02,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-02-20 23:55:02,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 258 transitions. [2022-02-20 23:55:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 258 transitions. [2022-02-20 23:55:02,676 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 258 transitions. [2022-02-20 23:55:02,872 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 258 edges. 258 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:02,875 INFO L225 Difference]: With dead ends: 244 [2022-02-20 23:55:02,875 INFO L226 Difference]: Without dead ends: 244 [2022-02-20 23:55:02,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:02,876 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 318 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:02,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [318 Valid, 184 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:02,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-02-20 23:55:02,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 158. [2022-02-20 23:55:02,880 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:02,880 INFO L82 GeneralOperation]: Start isEquivalent. First operand 244 states. Second operand has 158 states, 113 states have (on average 1.5309734513274336) internal successors, (173), 157 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,881 INFO L74 IsIncluded]: Start isIncluded. First operand 244 states. Second operand has 158 states, 113 states have (on average 1.5309734513274336) internal successors, (173), 157 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,881 INFO L87 Difference]: Start difference. First operand 244 states. Second operand has 158 states, 113 states have (on average 1.5309734513274336) internal successors, (173), 157 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:02,885 INFO L93 Difference]: Finished difference Result 244 states and 260 transitions. [2022-02-20 23:55:02,885 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 260 transitions. [2022-02-20 23:55:02,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:02,886 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:02,886 INFO L74 IsIncluded]: Start isIncluded. First operand has 158 states, 113 states have (on average 1.5309734513274336) internal successors, (173), 157 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 244 states. [2022-02-20 23:55:02,886 INFO L87 Difference]: Start difference. First operand has 158 states, 113 states have (on average 1.5309734513274336) internal successors, (173), 157 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 244 states. [2022-02-20 23:55:02,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:02,891 INFO L93 Difference]: Finished difference Result 244 states and 260 transitions. [2022-02-20 23:55:02,891 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 260 transitions. [2022-02-20 23:55:02,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:02,891 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:02,891 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:02,892 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:02,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 113 states have (on average 1.5309734513274336) internal successors, (173), 157 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 173 transitions. [2022-02-20 23:55:02,894 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 173 transitions. Word has length 8 [2022-02-20 23:55:02,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:02,895 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 173 transitions. [2022-02-20 23:55:02,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 173 transitions. [2022-02-20 23:55:02,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-02-20 23:55:02,895 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:02,895 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:02,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 23:55:02,896 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:02,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:02,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1837174119, now seen corresponding path program 1 times [2022-02-20 23:55:02,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:02,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291124485] [2022-02-20 23:55:02,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:02,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:02,935 INFO L290 TraceCheckUtils]: 0: Hoare triple {3002#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {3002#true} is VALID [2022-02-20 23:55:02,936 INFO L290 TraceCheckUtils]: 1: Hoare triple {3002#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {3004#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:02,936 INFO L290 TraceCheckUtils]: 2: Hoare triple {3004#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {3004#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:02,936 INFO L290 TraceCheckUtils]: 3: Hoare triple {3004#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {3004#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:02,937 INFO L290 TraceCheckUtils]: 4: Hoare triple {3004#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {3004#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:02,937 INFO L290 TraceCheckUtils]: 5: Hoare triple {3004#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3004#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:02,937 INFO L290 TraceCheckUtils]: 6: Hoare triple {3004#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {3004#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:02,937 INFO L290 TraceCheckUtils]: 7: Hoare triple {3004#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume !(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {3003#false} is VALID [2022-02-20 23:55:02,938 INFO L290 TraceCheckUtils]: 8: Hoare triple {3003#false} assume !false; {3003#false} is VALID [2022-02-20 23:55:02,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:02,938 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:02,938 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291124485] [2022-02-20 23:55:02,938 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291124485] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:02,938 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:02,938 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:02,938 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140711833] [2022-02-20 23:55:02,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:02,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-02-20 23:55:02,939 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:02,939 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,944 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:02,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:02,945 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:02,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:02,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:02,945 INFO L87 Difference]: Start difference. First operand 158 states and 173 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,053 INFO L93 Difference]: Finished difference Result 148 states and 162 transitions. [2022-02-20 23:55:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:03,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-02-20 23:55:03,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:03,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 153 transitions. [2022-02-20 23:55:03,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 153 transitions. [2022-02-20 23:55:03,057 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 153 transitions. [2022-02-20 23:55:03,171 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 153 edges. 153 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:03,173 INFO L225 Difference]: With dead ends: 148 [2022-02-20 23:55:03,173 INFO L226 Difference]: Without dead ends: 148 [2022-02-20 23:55:03,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:03,174 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 125 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:03,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 135 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:55:03,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-02-20 23:55:03,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2022-02-20 23:55:03,177 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:03,177 INFO L82 GeneralOperation]: Start isEquivalent. First operand 148 states. Second operand has 148 states, 108 states have (on average 1.5) internal successors, (162), 147 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,178 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand has 148 states, 108 states have (on average 1.5) internal successors, (162), 147 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,178 INFO L87 Difference]: Start difference. First operand 148 states. Second operand has 148 states, 108 states have (on average 1.5) internal successors, (162), 147 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,195 INFO L93 Difference]: Finished difference Result 148 states and 162 transitions. [2022-02-20 23:55:03,195 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 162 transitions. [2022-02-20 23:55:03,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:03,197 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:03,197 INFO L74 IsIncluded]: Start isIncluded. First operand has 148 states, 108 states have (on average 1.5) internal successors, (162), 147 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 148 states. [2022-02-20 23:55:03,198 INFO L87 Difference]: Start difference. First operand has 148 states, 108 states have (on average 1.5) internal successors, (162), 147 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 148 states. [2022-02-20 23:55:03,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,201 INFO L93 Difference]: Finished difference Result 148 states and 162 transitions. [2022-02-20 23:55:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 162 transitions. [2022-02-20 23:55:03,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:03,202 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:03,202 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:03,202 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 108 states have (on average 1.5) internal successors, (162), 147 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 162 transitions. [2022-02-20 23:55:03,205 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 162 transitions. Word has length 9 [2022-02-20 23:55:03,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:03,205 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 162 transitions. [2022-02-20 23:55:03,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,205 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 162 transitions. [2022-02-20 23:55:03,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 23:55:03,206 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:03,206 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:03,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 23:55:03,206 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:03,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:03,207 INFO L85 PathProgramCache]: Analyzing trace with hash 467003055, now seen corresponding path program 1 times [2022-02-20 23:55:03,207 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:03,207 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879707490] [2022-02-20 23:55:03,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:03,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:03,265 INFO L290 TraceCheckUtils]: 0: Hoare triple {3599#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {3599#true} is VALID [2022-02-20 23:55:03,265 INFO L290 TraceCheckUtils]: 1: Hoare triple {3599#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {3599#true} is VALID [2022-02-20 23:55:03,265 INFO L290 TraceCheckUtils]: 2: Hoare triple {3599#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {3599#true} is VALID [2022-02-20 23:55:03,266 INFO L290 TraceCheckUtils]: 3: Hoare triple {3599#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {3599#true} is VALID [2022-02-20 23:55:03,266 INFO L290 TraceCheckUtils]: 4: Hoare triple {3599#true} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {3599#true} is VALID [2022-02-20 23:55:03,266 INFO L290 TraceCheckUtils]: 5: Hoare triple {3599#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3599#true} is VALID [2022-02-20 23:55:03,266 INFO L290 TraceCheckUtils]: 6: Hoare triple {3599#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {3601#(= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1)} is VALID [2022-02-20 23:55:03,267 INFO L290 TraceCheckUtils]: 7: Hoare triple {3601#(= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1)} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {3602#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:03,267 INFO L290 TraceCheckUtils]: 8: Hoare triple {3602#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 1)} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {3602#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:03,268 INFO L290 TraceCheckUtils]: 9: Hoare triple {3602#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 1)} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {3603#(= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1)} is VALID [2022-02-20 23:55:03,268 INFO L290 TraceCheckUtils]: 10: Hoare triple {3603#(= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1)} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {3604#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:55:03,276 INFO L290 TraceCheckUtils]: 11: Hoare triple {3604#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !(1 == #valid[main_~item~0#1.base]); {3600#false} is VALID [2022-02-20 23:55:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:03,276 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:03,277 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879707490] [2022-02-20 23:55:03,277 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879707490] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:03,277 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:03,277 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:03,277 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158600730] [2022-02-20 23:55:03,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:03,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 23:55:03,278 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:03,278 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,285 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:03,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:03,286 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:03,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:03,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:03,286 INFO L87 Difference]: Start difference. First operand 148 states and 162 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,898 INFO L93 Difference]: Finished difference Result 219 states and 234 transitions. [2022-02-20 23:55:03,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:55:03,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 23:55:03,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:03,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 226 transitions. [2022-02-20 23:55:03,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:03,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 226 transitions. [2022-02-20 23:55:03,903 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 226 transitions. [2022-02-20 23:55:04,041 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 226 edges. 226 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:04,043 INFO L225 Difference]: With dead ends: 219 [2022-02-20 23:55:04,043 INFO L226 Difference]: Without dead ends: 219 [2022-02-20 23:55:04,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-20 23:55:04,044 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 110 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:04,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 682 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:55:04,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-02-20 23:55:04,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 147. [2022-02-20 23:55:04,047 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:04,048 INFO L82 GeneralOperation]: Start isEquivalent. First operand 219 states. Second operand has 147 states, 108 states have (on average 1.4907407407407407) internal successors, (161), 146 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,048 INFO L74 IsIncluded]: Start isIncluded. First operand 219 states. Second operand has 147 states, 108 states have (on average 1.4907407407407407) internal successors, (161), 146 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,048 INFO L87 Difference]: Start difference. First operand 219 states. Second operand has 147 states, 108 states have (on average 1.4907407407407407) internal successors, (161), 146 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:04,052 INFO L93 Difference]: Finished difference Result 219 states and 234 transitions. [2022-02-20 23:55:04,052 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 234 transitions. [2022-02-20 23:55:04,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:04,052 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:04,053 INFO L74 IsIncluded]: Start isIncluded. First operand has 147 states, 108 states have (on average 1.4907407407407407) internal successors, (161), 146 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 219 states. [2022-02-20 23:55:04,062 INFO L87 Difference]: Start difference. First operand has 147 states, 108 states have (on average 1.4907407407407407) internal successors, (161), 146 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 219 states. [2022-02-20 23:55:04,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:04,066 INFO L93 Difference]: Finished difference Result 219 states and 234 transitions. [2022-02-20 23:55:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 234 transitions. [2022-02-20 23:55:04,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:04,066 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:04,067 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:04,067 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 108 states have (on average 1.4907407407407407) internal successors, (161), 146 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 161 transitions. [2022-02-20 23:55:04,071 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 161 transitions. Word has length 12 [2022-02-20 23:55:04,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:04,071 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 161 transitions. [2022-02-20 23:55:04,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,071 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 161 transitions. [2022-02-20 23:55:04,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 23:55:04,073 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:04,073 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:04,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 23:55:04,073 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:04,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:04,073 INFO L85 PathProgramCache]: Analyzing trace with hash 467003056, now seen corresponding path program 1 times [2022-02-20 23:55:04,074 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:04,074 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397940558] [2022-02-20 23:55:04,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:04,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:04,151 INFO L290 TraceCheckUtils]: 0: Hoare triple {4419#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {4419#true} is VALID [2022-02-20 23:55:04,151 INFO L290 TraceCheckUtils]: 1: Hoare triple {4419#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {4419#true} is VALID [2022-02-20 23:55:04,151 INFO L290 TraceCheckUtils]: 2: Hoare triple {4419#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {4419#true} is VALID [2022-02-20 23:55:04,151 INFO L290 TraceCheckUtils]: 3: Hoare triple {4419#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {4419#true} is VALID [2022-02-20 23:55:04,152 INFO L290 TraceCheckUtils]: 4: Hoare triple {4419#true} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {4419#true} is VALID [2022-02-20 23:55:04,152 INFO L290 TraceCheckUtils]: 5: Hoare triple {4419#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4419#true} is VALID [2022-02-20 23:55:04,152 INFO L290 TraceCheckUtils]: 6: Hoare triple {4419#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {4421#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)))} is VALID [2022-02-20 23:55:04,153 INFO L290 TraceCheckUtils]: 7: Hoare triple {4421#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {4422#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0))} is VALID [2022-02-20 23:55:04,156 INFO L290 TraceCheckUtils]: 8: Hoare triple {4422#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {4422#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0))} is VALID [2022-02-20 23:55:04,156 INFO L290 TraceCheckUtils]: 9: Hoare triple {4422#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {4423#(and (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)))} is VALID [2022-02-20 23:55:04,157 INFO L290 TraceCheckUtils]: 10: Hoare triple {4423#(and (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {4424#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:04,157 INFO L290 TraceCheckUtils]: 11: Hoare triple {4424#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume !(4 + main_~item~0#1.offset <= #length[main_~item~0#1.base] && 0 <= main_~item~0#1.offset); {4420#false} is VALID [2022-02-20 23:55:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:04,158 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:04,158 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397940558] [2022-02-20 23:55:04,158 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397940558] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:04,158 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:04,158 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:04,158 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715164452] [2022-02-20 23:55:04,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:04,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 23:55:04,159 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:04,159 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,167 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:04,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:04,167 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:04,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:04,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:04,168 INFO L87 Difference]: Start difference. First operand 147 states and 161 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:04,886 INFO L93 Difference]: Finished difference Result 211 states and 228 transitions. [2022-02-20 23:55:04,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 23:55:04,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-20 23:55:04,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:04,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 222 transitions. [2022-02-20 23:55:04,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:04,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 222 transitions. [2022-02-20 23:55:04,889 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 222 transitions. [2022-02-20 23:55:05,027 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 222 edges. 222 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:05,029 INFO L225 Difference]: With dead ends: 211 [2022-02-20 23:55:05,029 INFO L226 Difference]: Without dead ends: 211 [2022-02-20 23:55:05,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:55:05,030 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 97 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:05,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 676 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:55:05,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2022-02-20 23:55:05,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 136. [2022-02-20 23:55:05,032 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:05,032 INFO L82 GeneralOperation]: Start isEquivalent. First operand 211 states. Second operand has 136 states, 103 states have (on average 1.4466019417475728) internal successors, (149), 135 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,033 INFO L74 IsIncluded]: Start isIncluded. First operand 211 states. Second operand has 136 states, 103 states have (on average 1.4466019417475728) internal successors, (149), 135 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,033 INFO L87 Difference]: Start difference. First operand 211 states. Second operand has 136 states, 103 states have (on average 1.4466019417475728) internal successors, (149), 135 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,039 INFO L93 Difference]: Finished difference Result 211 states and 228 transitions. [2022-02-20 23:55:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 228 transitions. [2022-02-20 23:55:05,039 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:05,040 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:05,040 INFO L74 IsIncluded]: Start isIncluded. First operand has 136 states, 103 states have (on average 1.4466019417475728) internal successors, (149), 135 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 211 states. [2022-02-20 23:55:05,040 INFO L87 Difference]: Start difference. First operand has 136 states, 103 states have (on average 1.4466019417475728) internal successors, (149), 135 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 211 states. [2022-02-20 23:55:05,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,049 INFO L93 Difference]: Finished difference Result 211 states and 228 transitions. [2022-02-20 23:55:05,050 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 228 transitions. [2022-02-20 23:55:05,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:05,050 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:05,050 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:05,050 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:05,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 103 states have (on average 1.4466019417475728) internal successors, (149), 135 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 149 transitions. [2022-02-20 23:55:05,057 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 149 transitions. Word has length 12 [2022-02-20 23:55:05,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:05,057 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 149 transitions. [2022-02-20 23:55:05,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,058 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 149 transitions. [2022-02-20 23:55:05,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-02-20 23:55:05,058 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:05,058 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:05,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 23:55:05,058 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:05,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:05,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1603335132, now seen corresponding path program 1 times [2022-02-20 23:55:05,059 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:05,059 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279693321] [2022-02-20 23:55:05,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:05,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:05,081 INFO L290 TraceCheckUtils]: 0: Hoare triple {5208#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {5208#true} is VALID [2022-02-20 23:55:05,088 INFO L290 TraceCheckUtils]: 1: Hoare triple {5208#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {5208#true} is VALID [2022-02-20 23:55:05,088 INFO L290 TraceCheckUtils]: 2: Hoare triple {5208#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {5208#true} is VALID [2022-02-20 23:55:05,088 INFO L290 TraceCheckUtils]: 3: Hoare triple {5208#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {5208#true} is VALID [2022-02-20 23:55:05,091 INFO L290 TraceCheckUtils]: 4: Hoare triple {5208#true} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {5210#(= |ULTIMATE.start_main_~status~0#1| 0)} is VALID [2022-02-20 23:55:05,091 INFO L290 TraceCheckUtils]: 5: Hoare triple {5210#(= |ULTIMATE.start_main_~status~0#1| 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5210#(= |ULTIMATE.start_main_~status~0#1| 0)} is VALID [2022-02-20 23:55:05,092 INFO L290 TraceCheckUtils]: 6: Hoare triple {5210#(= |ULTIMATE.start_main_~status~0#1| 0)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {5210#(= |ULTIMATE.start_main_~status~0#1| 0)} is VALID [2022-02-20 23:55:05,092 INFO L290 TraceCheckUtils]: 7: Hoare triple {5210#(= |ULTIMATE.start_main_~status~0#1| 0)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {5210#(= |ULTIMATE.start_main_~status~0#1| 0)} is VALID [2022-02-20 23:55:05,092 INFO L290 TraceCheckUtils]: 8: Hoare triple {5210#(= |ULTIMATE.start_main_~status~0#1| 0)} goto; {5210#(= |ULTIMATE.start_main_~status~0#1| 0)} is VALID [2022-02-20 23:55:05,093 INFO L290 TraceCheckUtils]: 9: Hoare triple {5210#(= |ULTIMATE.start_main_~status~0#1| 0)} assume 1 == main_~status~0#1; {5209#false} is VALID [2022-02-20 23:55:05,093 INFO L290 TraceCheckUtils]: 10: Hoare triple {5209#false} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {5209#false} is VALID [2022-02-20 23:55:05,093 INFO L290 TraceCheckUtils]: 11: Hoare triple {5209#false} goto; {5209#false} is VALID [2022-02-20 23:55:05,093 INFO L290 TraceCheckUtils]: 12: Hoare triple {5209#false} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {5209#false} is VALID [2022-02-20 23:55:05,093 INFO L290 TraceCheckUtils]: 13: Hoare triple {5209#false} assume !(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {5209#false} is VALID [2022-02-20 23:55:05,093 INFO L290 TraceCheckUtils]: 14: Hoare triple {5209#false} assume !false; {5209#false} is VALID [2022-02-20 23:55:05,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:05,094 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:05,094 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279693321] [2022-02-20 23:55:05,094 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279693321] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:05,094 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:05,094 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:05,094 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607179311] [2022-02-20 23:55:05,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:05,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-02-20 23:55:05,095 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:05,095 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,103 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:05,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:05,103 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:05,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:05,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:05,104 INFO L87 Difference]: Start difference. First operand 136 states and 149 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,209 INFO L93 Difference]: Finished difference Result 191 states and 211 transitions. [2022-02-20 23:55:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:05,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-02-20 23:55:05,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:05,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 191 transitions. [2022-02-20 23:55:05,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 191 transitions. [2022-02-20 23:55:05,212 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 191 transitions. [2022-02-20 23:55:05,311 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 191 edges. 191 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:05,313 INFO L225 Difference]: With dead ends: 191 [2022-02-20 23:55:05,313 INFO L226 Difference]: Without dead ends: 191 [2022-02-20 23:55:05,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:05,314 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 47 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:05,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 250 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:55:05,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-02-20 23:55:05,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 149. [2022-02-20 23:55:05,316 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:05,316 INFO L82 GeneralOperation]: Start isEquivalent. First operand 191 states. Second operand has 149 states, 116 states have (on average 1.4051724137931034) internal successors, (163), 148 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,316 INFO L74 IsIncluded]: Start isIncluded. First operand 191 states. Second operand has 149 states, 116 states have (on average 1.4051724137931034) internal successors, (163), 148 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,317 INFO L87 Difference]: Start difference. First operand 191 states. Second operand has 149 states, 116 states have (on average 1.4051724137931034) internal successors, (163), 148 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,319 INFO L93 Difference]: Finished difference Result 191 states and 211 transitions. [2022-02-20 23:55:05,319 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 211 transitions. [2022-02-20 23:55:05,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:05,319 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:05,320 INFO L74 IsIncluded]: Start isIncluded. First operand has 149 states, 116 states have (on average 1.4051724137931034) internal successors, (163), 148 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 191 states. [2022-02-20 23:55:05,320 INFO L87 Difference]: Start difference. First operand has 149 states, 116 states have (on average 1.4051724137931034) internal successors, (163), 148 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 191 states. [2022-02-20 23:55:05,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,323 INFO L93 Difference]: Finished difference Result 191 states and 211 transitions. [2022-02-20 23:55:05,323 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 211 transitions. [2022-02-20 23:55:05,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:05,326 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:05,326 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:05,327 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:05,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 116 states have (on average 1.4051724137931034) internal successors, (163), 148 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 163 transitions. [2022-02-20 23:55:05,329 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 163 transitions. Word has length 15 [2022-02-20 23:55:05,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:05,329 INFO L470 AbstractCegarLoop]: Abstraction has 149 states and 163 transitions. [2022-02-20 23:55:05,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,329 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 163 transitions. [2022-02-20 23:55:05,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-20 23:55:05,329 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:05,329 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:05,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 23:55:05,330 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:05,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:05,330 INFO L85 PathProgramCache]: Analyzing trace with hash -775737061, now seen corresponding path program 1 times [2022-02-20 23:55:05,330 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:05,330 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519280566] [2022-02-20 23:55:05,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:05,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:05,374 INFO L290 TraceCheckUtils]: 0: Hoare triple {5935#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {5935#true} is VALID [2022-02-20 23:55:05,374 INFO L290 TraceCheckUtils]: 1: Hoare triple {5935#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {5935#true} is VALID [2022-02-20 23:55:05,374 INFO L290 TraceCheckUtils]: 2: Hoare triple {5935#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {5935#true} is VALID [2022-02-20 23:55:05,375 INFO L290 TraceCheckUtils]: 3: Hoare triple {5935#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {5935#true} is VALID [2022-02-20 23:55:05,375 INFO L290 TraceCheckUtils]: 4: Hoare triple {5935#true} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {5935#true} is VALID [2022-02-20 23:55:05,375 INFO L290 TraceCheckUtils]: 5: Hoare triple {5935#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5935#true} is VALID [2022-02-20 23:55:05,375 INFO L290 TraceCheckUtils]: 6: Hoare triple {5935#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {5937#(not (= |ULTIMATE.start_main_#t~malloc3#1.base| 0))} is VALID [2022-02-20 23:55:05,376 INFO L290 TraceCheckUtils]: 7: Hoare triple {5937#(not (= |ULTIMATE.start_main_#t~malloc3#1.base| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {5938#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0))} is VALID [2022-02-20 23:55:05,376 INFO L290 TraceCheckUtils]: 8: Hoare triple {5938#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5938#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0))} is VALID [2022-02-20 23:55:05,377 INFO L290 TraceCheckUtils]: 9: Hoare triple {5938#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {5939#(not (= |ULTIMATE.start_main_#t~mem4#1.base| 0))} is VALID [2022-02-20 23:55:05,377 INFO L290 TraceCheckUtils]: 10: Hoare triple {5939#(not (= |ULTIMATE.start_main_#t~mem4#1.base| 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {5940#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:55:05,378 INFO L290 TraceCheckUtils]: 11: Hoare triple {5940#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {5940#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:55:05,378 INFO L290 TraceCheckUtils]: 12: Hoare triple {5940#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} assume 0 == main_~status~0#1; {5940#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:55:05,378 INFO L290 TraceCheckUtils]: 13: Hoare triple {5940#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {5940#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:55:05,379 INFO L290 TraceCheckUtils]: 14: Hoare triple {5940#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} main_~status~0#1 := 1; {5940#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:55:05,379 INFO L290 TraceCheckUtils]: 15: Hoare triple {5940#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {5940#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:55:05,379 INFO L290 TraceCheckUtils]: 16: Hoare triple {5940#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} goto; {5940#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:55:05,380 INFO L290 TraceCheckUtils]: 17: Hoare triple {5940#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} assume !(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {5936#false} is VALID [2022-02-20 23:55:05,380 INFO L290 TraceCheckUtils]: 18: Hoare triple {5936#false} assume !false; {5936#false} is VALID [2022-02-20 23:55:05,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:05,380 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:05,380 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519280566] [2022-02-20 23:55:05,380 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519280566] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:05,380 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:05,381 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:55:05,381 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650416320] [2022-02-20 23:55:05,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:05,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-02-20 23:55:05,381 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:05,381 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,399 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:05,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:05,399 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:05,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:05,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:05,400 INFO L87 Difference]: Start difference. First operand 149 states and 163 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,726 INFO L93 Difference]: Finished difference Result 149 states and 163 transitions. [2022-02-20 23:55:05,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 23:55:05,726 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-02-20 23:55:05,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:05,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 150 transitions. [2022-02-20 23:55:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 150 transitions. [2022-02-20 23:55:05,728 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 150 transitions. [2022-02-20 23:55:05,819 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:05,820 INFO L225 Difference]: With dead ends: 149 [2022-02-20 23:55:05,821 INFO L226 Difference]: Without dead ends: 149 [2022-02-20 23:55:05,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:55:05,822 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 90 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:05,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 541 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:05,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-02-20 23:55:05,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2022-02-20 23:55:05,824 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:05,825 INFO L82 GeneralOperation]: Start isEquivalent. First operand 149 states. Second operand has 147 states, 115 states have (on average 1.4) internal successors, (161), 146 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,825 INFO L74 IsIncluded]: Start isIncluded. First operand 149 states. Second operand has 147 states, 115 states have (on average 1.4) internal successors, (161), 146 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,825 INFO L87 Difference]: Start difference. First operand 149 states. Second operand has 147 states, 115 states have (on average 1.4) internal successors, (161), 146 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,827 INFO L93 Difference]: Finished difference Result 149 states and 163 transitions. [2022-02-20 23:55:05,827 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 163 transitions. [2022-02-20 23:55:05,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:05,827 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:05,828 INFO L74 IsIncluded]: Start isIncluded. First operand has 147 states, 115 states have (on average 1.4) internal successors, (161), 146 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 149 states. [2022-02-20 23:55:05,828 INFO L87 Difference]: Start difference. First operand has 147 states, 115 states have (on average 1.4) internal successors, (161), 146 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 149 states. [2022-02-20 23:55:05,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,830 INFO L93 Difference]: Finished difference Result 149 states and 163 transitions. [2022-02-20 23:55:05,830 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 163 transitions. [2022-02-20 23:55:05,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:05,830 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:05,830 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:05,830 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:05,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 115 states have (on average 1.4) internal successors, (161), 146 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 161 transitions. [2022-02-20 23:55:05,833 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 161 transitions. Word has length 19 [2022-02-20 23:55:05,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:05,833 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 161 transitions. [2022-02-20 23:55:05,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,833 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 161 transitions. [2022-02-20 23:55:05,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 23:55:05,834 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:05,834 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:05,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-20 23:55:05,834 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr59REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:05,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:05,835 INFO L85 PathProgramCache]: Analyzing trace with hash 73317399, now seen corresponding path program 1 times [2022-02-20 23:55:05,835 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:05,835 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118230207] [2022-02-20 23:55:05,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:05,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:05,886 INFO L290 TraceCheckUtils]: 0: Hoare triple {6549#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {6549#true} is VALID [2022-02-20 23:55:05,886 INFO L290 TraceCheckUtils]: 1: Hoare triple {6549#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {6549#true} is VALID [2022-02-20 23:55:05,887 INFO L290 TraceCheckUtils]: 2: Hoare triple {6549#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:05,888 INFO L290 TraceCheckUtils]: 3: Hoare triple {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:05,888 INFO L290 TraceCheckUtils]: 4: Hoare triple {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:05,889 INFO L290 TraceCheckUtils]: 5: Hoare triple {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:05,889 INFO L290 TraceCheckUtils]: 6: Hoare triple {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:05,889 INFO L290 TraceCheckUtils]: 7: Hoare triple {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:05,890 INFO L290 TraceCheckUtils]: 8: Hoare triple {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:05,890 INFO L290 TraceCheckUtils]: 9: Hoare triple {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(1 == main_~status~0#1); {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:05,890 INFO L290 TraceCheckUtils]: 10: Hoare triple {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(2 == main_~status~0#1); {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:05,891 INFO L290 TraceCheckUtils]: 11: Hoare triple {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(3 == main_~status~0#1); {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:05,892 INFO L290 TraceCheckUtils]: 12: Hoare triple {6551#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {6552#(and (= |ULTIMATE.start_main_#t~mem19#1.offset| 0) (= |ULTIMATE.start_main_#t~mem19#1.base| 0))} is VALID [2022-02-20 23:55:05,892 INFO L290 TraceCheckUtils]: 13: Hoare triple {6552#(and (= |ULTIMATE.start_main_#t~mem19#1.offset| 0) (= |ULTIMATE.start_main_#t~mem19#1.base| 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {6553#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:55:05,893 INFO L290 TraceCheckUtils]: 14: Hoare triple {6553#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| 0))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {6554#(not |ULTIMATE.start_main_#t~short21#1|)} is VALID [2022-02-20 23:55:05,894 INFO L290 TraceCheckUtils]: 15: Hoare triple {6554#(not |ULTIMATE.start_main_#t~short21#1|)} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {6550#false} is VALID [2022-02-20 23:55:05,894 INFO L290 TraceCheckUtils]: 16: Hoare triple {6550#false} assume !!main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {6550#false} is VALID [2022-02-20 23:55:05,894 INFO L290 TraceCheckUtils]: 17: Hoare triple {6550#false} main_#t~short23#1 := 0 == main_~status~0#1; {6550#false} is VALID [2022-02-20 23:55:05,894 INFO L290 TraceCheckUtils]: 18: Hoare triple {6550#false} assume !main_#t~short23#1; {6550#false} is VALID [2022-02-20 23:55:05,894 INFO L290 TraceCheckUtils]: 19: Hoare triple {6550#false} assume !(1 == #valid[main_~item~0#1.base]); {6550#false} is VALID [2022-02-20 23:55:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:05,895 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:05,895 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118230207] [2022-02-20 23:55:05,895 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118230207] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:05,895 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:05,895 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:55:05,895 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743039684] [2022-02-20 23:55:05,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:05,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:55:05,896 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:05,896 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,908 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:05,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:05,909 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:05,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:05,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:05,909 INFO L87 Difference]: Start difference. First operand 147 states and 161 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,260 INFO L93 Difference]: Finished difference Result 156 states and 170 transitions. [2022-02-20 23:55:06,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:55:06,261 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:55:06,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:06,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 156 transitions. [2022-02-20 23:55:06,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 156 transitions. [2022-02-20 23:55:06,263 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 156 transitions. [2022-02-20 23:55:06,359 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:06,360 INFO L225 Difference]: With dead ends: 156 [2022-02-20 23:55:06,360 INFO L226 Difference]: Without dead ends: 156 [2022-02-20 23:55:06,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:55:06,361 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 8 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:06,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 572 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:06,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-02-20 23:55:06,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 152. [2022-02-20 23:55:06,364 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:06,364 INFO L82 GeneralOperation]: Start isEquivalent. First operand 156 states. Second operand has 152 states, 120 states have (on average 1.3833333333333333) internal successors, (166), 151 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,364 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand has 152 states, 120 states have (on average 1.3833333333333333) internal successors, (166), 151 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,365 INFO L87 Difference]: Start difference. First operand 156 states. Second operand has 152 states, 120 states have (on average 1.3833333333333333) internal successors, (166), 151 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,367 INFO L93 Difference]: Finished difference Result 156 states and 170 transitions. [2022-02-20 23:55:06,367 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 170 transitions. [2022-02-20 23:55:06,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:06,367 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:06,368 INFO L74 IsIncluded]: Start isIncluded. First operand has 152 states, 120 states have (on average 1.3833333333333333) internal successors, (166), 151 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 156 states. [2022-02-20 23:55:06,368 INFO L87 Difference]: Start difference. First operand has 152 states, 120 states have (on average 1.3833333333333333) internal successors, (166), 151 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 156 states. [2022-02-20 23:55:06,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,370 INFO L93 Difference]: Finished difference Result 156 states and 170 transitions. [2022-02-20 23:55:06,370 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 170 transitions. [2022-02-20 23:55:06,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:06,371 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:06,371 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:06,371 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:06,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 120 states have (on average 1.3833333333333333) internal successors, (166), 151 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 166 transitions. [2022-02-20 23:55:06,373 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 166 transitions. Word has length 20 [2022-02-20 23:55:06,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:06,373 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 166 transitions. [2022-02-20 23:55:06,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,374 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 166 transitions. [2022-02-20 23:55:06,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-20 23:55:06,374 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:06,374 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:06,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-20 23:55:06,375 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:06,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:06,375 INFO L85 PathProgramCache]: Analyzing trace with hash -800612379, now seen corresponding path program 1 times [2022-02-20 23:55:06,375 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:06,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863474054] [2022-02-20 23:55:06,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:06,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:06,420 INFO L290 TraceCheckUtils]: 0: Hoare triple {7183#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {7183#true} is VALID [2022-02-20 23:55:06,421 INFO L290 TraceCheckUtils]: 1: Hoare triple {7183#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,422 INFO L290 TraceCheckUtils]: 2: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,422 INFO L290 TraceCheckUtils]: 3: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,422 INFO L290 TraceCheckUtils]: 4: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,423 INFO L290 TraceCheckUtils]: 5: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,424 INFO L290 TraceCheckUtils]: 6: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,424 INFO L290 TraceCheckUtils]: 7: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,425 INFO L290 TraceCheckUtils]: 8: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} goto; {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,426 INFO L290 TraceCheckUtils]: 9: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(1 == main_~status~0#1); {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,426 INFO L290 TraceCheckUtils]: 10: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(2 == main_~status~0#1); {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,434 INFO L290 TraceCheckUtils]: 11: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(3 == main_~status~0#1); {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,434 INFO L290 TraceCheckUtils]: 12: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,439 INFO L290 TraceCheckUtils]: 13: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,440 INFO L290 TraceCheckUtils]: 14: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,440 INFO L290 TraceCheckUtils]: 15: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short21#1; {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,441 INFO L290 TraceCheckUtils]: 16: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,441 INFO L290 TraceCheckUtils]: 17: Hoare triple {7185#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {7186#(and (= 0 (+ (* (- 1) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.base|)) (<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|))} is VALID [2022-02-20 23:55:06,443 INFO L290 TraceCheckUtils]: 18: Hoare triple {7186#(and (= 0 (+ (* (- 1) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.base|)) (<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {7187#(<= (+ |ULTIMATE.start_main_~item~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,443 INFO L290 TraceCheckUtils]: 19: Hoare triple {7187#(<= (+ |ULTIMATE.start_main_~item~0#1.base| 1) |#StackHeapBarrier|)} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {7187#(<= (+ |ULTIMATE.start_main_~item~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,443 INFO L290 TraceCheckUtils]: 20: Hoare triple {7187#(<= (+ |ULTIMATE.start_main_~item~0#1.base| 1) |#StackHeapBarrier|)} assume 0 == main_~item~0#1.offset; {7187#(<= (+ |ULTIMATE.start_main_~item~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:55:06,444 INFO L290 TraceCheckUtils]: 21: Hoare triple {7187#(<= (+ |ULTIMATE.start_main_~item~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~item~0#1.base < #StackHeapBarrier); {7184#false} is VALID [2022-02-20 23:55:06,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:06,444 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:06,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863474054] [2022-02-20 23:55:06,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863474054] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:06,444 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:06,445 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:55:06,445 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933251318] [2022-02-20 23:55:06,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:06,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-02-20 23:55:06,445 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:06,445 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,459 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:06,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:55:06,460 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:06,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:55:06,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:06,460 INFO L87 Difference]: Start difference. First operand 152 states and 166 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,676 INFO L93 Difference]: Finished difference Result 152 states and 165 transitions. [2022-02-20 23:55:06,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:55:06,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-02-20 23:55:06,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:06,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 155 transitions. [2022-02-20 23:55:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 155 transitions. [2022-02-20 23:55:06,679 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 155 transitions. [2022-02-20 23:55:06,787 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 155 edges. 155 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:06,788 INFO L225 Difference]: With dead ends: 152 [2022-02-20 23:55:06,789 INFO L226 Difference]: Without dead ends: 152 [2022-02-20 23:55:06,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:06,789 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 142 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:06,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 207 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:06,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-02-20 23:55:06,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2022-02-20 23:55:06,792 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:06,792 INFO L82 GeneralOperation]: Start isEquivalent. First operand 152 states. Second operand has 152 states, 120 states have (on average 1.375) internal successors, (165), 151 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,792 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand has 152 states, 120 states have (on average 1.375) internal successors, (165), 151 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,793 INFO L87 Difference]: Start difference. First operand 152 states. Second operand has 152 states, 120 states have (on average 1.375) internal successors, (165), 151 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,795 INFO L93 Difference]: Finished difference Result 152 states and 165 transitions. [2022-02-20 23:55:06,795 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 165 transitions. [2022-02-20 23:55:06,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:06,795 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:06,795 INFO L74 IsIncluded]: Start isIncluded. First operand has 152 states, 120 states have (on average 1.375) internal successors, (165), 151 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 152 states. [2022-02-20 23:55:06,796 INFO L87 Difference]: Start difference. First operand has 152 states, 120 states have (on average 1.375) internal successors, (165), 151 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 152 states. [2022-02-20 23:55:06,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,797 INFO L93 Difference]: Finished difference Result 152 states and 165 transitions. [2022-02-20 23:55:06,798 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 165 transitions. [2022-02-20 23:55:06,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:06,798 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:06,798 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:06,798 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:06,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 120 states have (on average 1.375) internal successors, (165), 151 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 165 transitions. [2022-02-20 23:55:06,800 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 165 transitions. Word has length 22 [2022-02-20 23:55:06,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:06,800 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 165 transitions. [2022-02-20 23:55:06,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,801 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 165 transitions. [2022-02-20 23:55:06,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 23:55:06,801 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:06,801 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:06,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-20 23:55:06,802 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr64REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:06,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:06,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1089542561, now seen corresponding path program 1 times [2022-02-20 23:55:06,802 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:06,802 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42275879] [2022-02-20 23:55:06,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:06,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:06,854 INFO L290 TraceCheckUtils]: 0: Hoare triple {7798#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {7798#true} is VALID [2022-02-20 23:55:06,854 INFO L290 TraceCheckUtils]: 1: Hoare triple {7798#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {7798#true} is VALID [2022-02-20 23:55:06,855 INFO L290 TraceCheckUtils]: 2: Hoare triple {7798#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,856 INFO L290 TraceCheckUtils]: 3: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,857 INFO L290 TraceCheckUtils]: 4: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,857 INFO L290 TraceCheckUtils]: 5: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,857 INFO L290 TraceCheckUtils]: 6: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,858 INFO L290 TraceCheckUtils]: 7: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,858 INFO L290 TraceCheckUtils]: 8: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,866 INFO L290 TraceCheckUtils]: 9: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(1 == main_~status~0#1); {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,867 INFO L290 TraceCheckUtils]: 10: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(2 == main_~status~0#1); {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,867 INFO L290 TraceCheckUtils]: 11: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(3 == main_~status~0#1); {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,868 INFO L290 TraceCheckUtils]: 12: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,868 INFO L290 TraceCheckUtils]: 13: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,869 INFO L290 TraceCheckUtils]: 14: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,869 INFO L290 TraceCheckUtils]: 15: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !main_#t~short21#1; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,870 INFO L290 TraceCheckUtils]: 16: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,870 INFO L290 TraceCheckUtils]: 17: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:06,871 INFO L290 TraceCheckUtils]: 18: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {7801#(and (= |ULTIMATE.start_main_#t~mem25#1.offset| 0) (= |ULTIMATE.start_main_#t~mem25#1.base| 0))} is VALID [2022-02-20 23:55:06,871 INFO L290 TraceCheckUtils]: 19: Hoare triple {7801#(and (= |ULTIMATE.start_main_#t~mem25#1.offset| 0) (= |ULTIMATE.start_main_#t~mem25#1.base| 0))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:06,872 INFO L290 TraceCheckUtils]: 20: Hoare triple {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 == main_~item~0#1.offset; {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:06,872 INFO L290 TraceCheckUtils]: 21: Hoare triple {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume main_~item~0#1.base < #StackHeapBarrier; {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:06,872 INFO L290 TraceCheckUtils]: 22: Hoare triple {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:06,873 INFO L290 TraceCheckUtils]: 23: Hoare triple {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {7799#false} is VALID [2022-02-20 23:55:06,873 INFO L290 TraceCheckUtils]: 24: Hoare triple {7799#false} assume !(1 == #valid[main_~head~0#1.base]); {7799#false} is VALID [2022-02-20 23:55:06,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:06,874 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:06,874 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42275879] [2022-02-20 23:55:06,874 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42275879] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:06,874 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806498818] [2022-02-20 23:55:06,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:06,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:06,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:06,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:06,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 23:55:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:06,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-20 23:55:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:06,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:07,233 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:55:07,250 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:55:07,298 INFO L290 TraceCheckUtils]: 0: Hoare triple {7798#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {7798#true} is VALID [2022-02-20 23:55:07,298 INFO L290 TraceCheckUtils]: 1: Hoare triple {7798#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {7798#true} is VALID [2022-02-20 23:55:07,299 INFO L290 TraceCheckUtils]: 2: Hoare triple {7798#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {7798#true} is VALID [2022-02-20 23:55:07,299 INFO L290 TraceCheckUtils]: 3: Hoare triple {7798#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {7798#true} is VALID [2022-02-20 23:55:07,299 INFO L290 TraceCheckUtils]: 4: Hoare triple {7798#true} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {7798#true} is VALID [2022-02-20 23:55:07,299 INFO L290 TraceCheckUtils]: 5: Hoare triple {7798#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {7798#true} is VALID [2022-02-20 23:55:07,299 INFO L290 TraceCheckUtils]: 6: Hoare triple {7798#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {7798#true} is VALID [2022-02-20 23:55:07,299 INFO L290 TraceCheckUtils]: 7: Hoare triple {7798#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {7798#true} is VALID [2022-02-20 23:55:07,299 INFO L290 TraceCheckUtils]: 8: Hoare triple {7798#true} goto; {7798#true} is VALID [2022-02-20 23:55:07,300 INFO L290 TraceCheckUtils]: 9: Hoare triple {7798#true} assume !(1 == main_~status~0#1); {7798#true} is VALID [2022-02-20 23:55:07,300 INFO L290 TraceCheckUtils]: 10: Hoare triple {7798#true} assume !(2 == main_~status~0#1); {7798#true} is VALID [2022-02-20 23:55:07,300 INFO L290 TraceCheckUtils]: 11: Hoare triple {7798#true} assume !(3 == main_~status~0#1); {7798#true} is VALID [2022-02-20 23:55:07,301 INFO L290 TraceCheckUtils]: 12: Hoare triple {7798#true} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {7842#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_#t~mem19#1.offset|) (= |ULTIMATE.start_main_#t~mem19#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:55:07,301 INFO L290 TraceCheckUtils]: 13: Hoare triple {7842#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_#t~mem19#1.offset|) (= |ULTIMATE.start_main_#t~mem19#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {7846#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|))} is VALID [2022-02-20 23:55:07,302 INFO L290 TraceCheckUtils]: 14: Hoare triple {7846#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {7850#(or (and |ULTIMATE.start_main_#t~short21#1| (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (not |ULTIMATE.start_main_#t~short21#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:07,302 INFO L290 TraceCheckUtils]: 15: Hoare triple {7850#(or (and |ULTIMATE.start_main_#t~short21#1| (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (not |ULTIMATE.start_main_#t~short21#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !main_#t~short21#1; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:07,303 INFO L290 TraceCheckUtils]: 16: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:07,303 INFO L290 TraceCheckUtils]: 17: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:07,304 INFO L290 TraceCheckUtils]: 18: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {7801#(and (= |ULTIMATE.start_main_#t~mem25#1.offset| 0) (= |ULTIMATE.start_main_#t~mem25#1.base| 0))} is VALID [2022-02-20 23:55:07,304 INFO L290 TraceCheckUtils]: 19: Hoare triple {7801#(and (= |ULTIMATE.start_main_#t~mem25#1.offset| 0) (= |ULTIMATE.start_main_#t~mem25#1.base| 0))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:07,305 INFO L290 TraceCheckUtils]: 20: Hoare triple {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 == main_~item~0#1.offset; {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:07,305 INFO L290 TraceCheckUtils]: 21: Hoare triple {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume main_~item~0#1.base < #StackHeapBarrier; {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:07,306 INFO L290 TraceCheckUtils]: 22: Hoare triple {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:07,306 INFO L290 TraceCheckUtils]: 23: Hoare triple {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {7799#false} is VALID [2022-02-20 23:55:07,306 INFO L290 TraceCheckUtils]: 24: Hoare triple {7799#false} assume !(1 == #valid[main_~head~0#1.base]); {7799#false} is VALID [2022-02-20 23:55:07,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:07,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:07,462 INFO L290 TraceCheckUtils]: 24: Hoare triple {7799#false} assume !(1 == #valid[main_~head~0#1.base]); {7799#false} is VALID [2022-02-20 23:55:07,463 INFO L290 TraceCheckUtils]: 23: Hoare triple {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {7799#false} is VALID [2022-02-20 23:55:07,463 INFO L290 TraceCheckUtils]: 22: Hoare triple {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:07,463 INFO L290 TraceCheckUtils]: 21: Hoare triple {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume main_~item~0#1.base < #StackHeapBarrier; {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:07,464 INFO L290 TraceCheckUtils]: 20: Hoare triple {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 == main_~item~0#1.offset; {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:07,464 INFO L290 TraceCheckUtils]: 19: Hoare triple {7801#(and (= |ULTIMATE.start_main_#t~mem25#1.offset| 0) (= |ULTIMATE.start_main_#t~mem25#1.base| 0))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {7802#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:07,465 INFO L290 TraceCheckUtils]: 18: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {7801#(and (= |ULTIMATE.start_main_#t~mem25#1.offset| 0) (= |ULTIMATE.start_main_#t~mem25#1.base| 0))} is VALID [2022-02-20 23:55:07,465 INFO L290 TraceCheckUtils]: 17: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:07,465 INFO L290 TraceCheckUtils]: 16: Hoare triple {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:07,466 INFO L290 TraceCheckUtils]: 15: Hoare triple {7908#(or |ULTIMATE.start_main_#t~short21#1| (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !main_#t~short21#1; {7800#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:07,467 INFO L290 TraceCheckUtils]: 14: Hoare triple {7912#(or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {7908#(or |ULTIMATE.start_main_#t~short21#1| (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:07,467 INFO L290 TraceCheckUtils]: 13: Hoare triple {7916#(or (not (= |ULTIMATE.start_main_#t~mem19#1.offset| 0)) (not (= |ULTIMATE.start_main_#t~mem19#1.base| 0)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {7912#(or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:07,468 INFO L290 TraceCheckUtils]: 12: Hoare triple {7798#true} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {7916#(or (not (= |ULTIMATE.start_main_#t~mem19#1.offset| 0)) (not (= |ULTIMATE.start_main_#t~mem19#1.base| 0)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:07,468 INFO L290 TraceCheckUtils]: 11: Hoare triple {7798#true} assume !(3 == main_~status~0#1); {7798#true} is VALID [2022-02-20 23:55:07,468 INFO L290 TraceCheckUtils]: 10: Hoare triple {7798#true} assume !(2 == main_~status~0#1); {7798#true} is VALID [2022-02-20 23:55:07,469 INFO L290 TraceCheckUtils]: 9: Hoare triple {7798#true} assume !(1 == main_~status~0#1); {7798#true} is VALID [2022-02-20 23:55:07,469 INFO L290 TraceCheckUtils]: 8: Hoare triple {7798#true} goto; {7798#true} is VALID [2022-02-20 23:55:07,469 INFO L290 TraceCheckUtils]: 7: Hoare triple {7798#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {7798#true} is VALID [2022-02-20 23:55:07,469 INFO L290 TraceCheckUtils]: 6: Hoare triple {7798#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {7798#true} is VALID [2022-02-20 23:55:07,469 INFO L290 TraceCheckUtils]: 5: Hoare triple {7798#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {7798#true} is VALID [2022-02-20 23:55:07,470 INFO L290 TraceCheckUtils]: 4: Hoare triple {7798#true} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {7798#true} is VALID [2022-02-20 23:55:07,470 INFO L290 TraceCheckUtils]: 3: Hoare triple {7798#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {7798#true} is VALID [2022-02-20 23:55:07,470 INFO L290 TraceCheckUtils]: 2: Hoare triple {7798#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {7798#true} is VALID [2022-02-20 23:55:07,472 INFO L290 TraceCheckUtils]: 1: Hoare triple {7798#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {7798#true} is VALID [2022-02-20 23:55:07,472 INFO L290 TraceCheckUtils]: 0: Hoare triple {7798#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {7798#true} is VALID [2022-02-20 23:55:07,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:07,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806498818] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:07,473 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:07,473 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 11 [2022-02-20 23:55:07,473 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153280588] [2022-02-20 23:55:07,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:07,474 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-02-20 23:55:07,475 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:07,476 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,500 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:07,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-20 23:55:07,500 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:07,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-20 23:55:07,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-02-20 23:55:07,501 INFO L87 Difference]: Start difference. First operand 152 states and 165 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:08,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:08,366 INFO L93 Difference]: Finished difference Result 181 states and 199 transitions. [2022-02-20 23:55:08,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-20 23:55:08,366 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-02-20 23:55:08,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:08,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:08,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 178 transitions. [2022-02-20 23:55:08,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 178 transitions. [2022-02-20 23:55:08,368 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 178 transitions. [2022-02-20 23:55:08,496 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 178 edges. 178 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:08,498 INFO L225 Difference]: With dead ends: 181 [2022-02-20 23:55:08,498 INFO L226 Difference]: Without dead ends: 181 [2022-02-20 23:55:08,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2022-02-20 23:55:08,498 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 161 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:08,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 643 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:55:08,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-02-20 23:55:08,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 162. [2022-02-20 23:55:08,500 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:08,501 INFO L82 GeneralOperation]: Start isEquivalent. First operand 181 states. Second operand has 162 states, 130 states have (on average 1.353846153846154) internal successors, (176), 161 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:08,501 INFO L74 IsIncluded]: Start isIncluded. First operand 181 states. Second operand has 162 states, 130 states have (on average 1.353846153846154) internal successors, (176), 161 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:08,501 INFO L87 Difference]: Start difference. First operand 181 states. Second operand has 162 states, 130 states have (on average 1.353846153846154) internal successors, (176), 161 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:08,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:08,503 INFO L93 Difference]: Finished difference Result 181 states and 199 transitions. [2022-02-20 23:55:08,503 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 199 transitions. [2022-02-20 23:55:08,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:08,503 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:08,504 INFO L74 IsIncluded]: Start isIncluded. First operand has 162 states, 130 states have (on average 1.353846153846154) internal successors, (176), 161 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 181 states. [2022-02-20 23:55:08,504 INFO L87 Difference]: Start difference. First operand has 162 states, 130 states have (on average 1.353846153846154) internal successors, (176), 161 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 181 states. [2022-02-20 23:55:08,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:08,514 INFO L93 Difference]: Finished difference Result 181 states and 199 transitions. [2022-02-20 23:55:08,514 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 199 transitions. [2022-02-20 23:55:08,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:08,514 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:08,515 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:08,515 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 130 states have (on average 1.353846153846154) internal successors, (176), 161 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 176 transitions. [2022-02-20 23:55:08,516 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 176 transitions. Word has length 25 [2022-02-20 23:55:08,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:08,517 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 176 transitions. [2022-02-20 23:55:08,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2022-02-20 23:55:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:55:08,517 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:08,517 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:08,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:08,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-20 23:55:08,736 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:08,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:08,737 INFO L85 PathProgramCache]: Analyzing trace with hash 583917852, now seen corresponding path program 1 times [2022-02-20 23:55:08,737 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:08,737 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909296429] [2022-02-20 23:55:08,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:08,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:08,797 INFO L290 TraceCheckUtils]: 0: Hoare triple {8672#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {8672#true} is VALID [2022-02-20 23:55:08,798 INFO L290 TraceCheckUtils]: 1: Hoare triple {8672#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,798 INFO L290 TraceCheckUtils]: 2: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,798 INFO L290 TraceCheckUtils]: 3: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,799 INFO L290 TraceCheckUtils]: 4: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,799 INFO L290 TraceCheckUtils]: 5: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,799 INFO L290 TraceCheckUtils]: 6: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,799 INFO L290 TraceCheckUtils]: 7: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,800 INFO L290 TraceCheckUtils]: 8: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} goto; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,800 INFO L290 TraceCheckUtils]: 9: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(1 == main_~status~0#1); {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,800 INFO L290 TraceCheckUtils]: 10: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(2 == main_~status~0#1); {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,801 INFO L290 TraceCheckUtils]: 11: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(3 == main_~status~0#1); {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,801 INFO L290 TraceCheckUtils]: 12: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,801 INFO L290 TraceCheckUtils]: 13: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,802 INFO L290 TraceCheckUtils]: 14: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,802 INFO L290 TraceCheckUtils]: 15: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short21#1; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,802 INFO L290 TraceCheckUtils]: 16: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,803 INFO L290 TraceCheckUtils]: 17: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,803 INFO L290 TraceCheckUtils]: 18: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,803 INFO L290 TraceCheckUtils]: 19: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,804 INFO L290 TraceCheckUtils]: 20: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~item~0#1.offset; {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,804 INFO L290 TraceCheckUtils]: 21: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~item~0#1.base < #StackHeapBarrier; {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:08,805 INFO L290 TraceCheckUtils]: 22: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {8676#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:55:08,805 INFO L290 TraceCheckUtils]: 23: Hoare triple {8676#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {8676#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:55:08,805 INFO L290 TraceCheckUtils]: 24: Hoare triple {8676#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} main_#res#1 := 0; {8676#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:55:08,806 INFO L290 TraceCheckUtils]: 25: Hoare triple {8676#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(#valid == main_old_#valid#1); {8673#false} is VALID [2022-02-20 23:55:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:08,806 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:08,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909296429] [2022-02-20 23:55:08,806 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909296429] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:08,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982257060] [2022-02-20 23:55:08,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:08,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:08,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:08,808 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:08,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 23:55:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:08,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-20 23:55:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:08,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:08,980 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:55:09,018 INFO L290 TraceCheckUtils]: 0: Hoare triple {8672#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {8672#true} is VALID [2022-02-20 23:55:09,019 INFO L290 TraceCheckUtils]: 1: Hoare triple {8672#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,019 INFO L290 TraceCheckUtils]: 2: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,020 INFO L290 TraceCheckUtils]: 3: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,020 INFO L290 TraceCheckUtils]: 4: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,021 INFO L290 TraceCheckUtils]: 5: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,021 INFO L290 TraceCheckUtils]: 6: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,021 INFO L290 TraceCheckUtils]: 7: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,022 INFO L290 TraceCheckUtils]: 8: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} goto; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,022 INFO L290 TraceCheckUtils]: 9: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(1 == main_~status~0#1); {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,027 INFO L290 TraceCheckUtils]: 10: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(2 == main_~status~0#1); {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,028 INFO L290 TraceCheckUtils]: 11: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(3 == main_~status~0#1); {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,028 INFO L290 TraceCheckUtils]: 12: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,029 INFO L290 TraceCheckUtils]: 13: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,032 INFO L290 TraceCheckUtils]: 14: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,034 INFO L290 TraceCheckUtils]: 15: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short21#1; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,034 INFO L290 TraceCheckUtils]: 16: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,035 INFO L290 TraceCheckUtils]: 17: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,035 INFO L290 TraceCheckUtils]: 18: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,036 INFO L290 TraceCheckUtils]: 19: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,037 INFO L290 TraceCheckUtils]: 20: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~item~0#1.offset; {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,037 INFO L290 TraceCheckUtils]: 21: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~item~0#1.base < #StackHeapBarrier; {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,038 INFO L290 TraceCheckUtils]: 22: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {8746#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~item~0#1.base| Int)) (= (select |ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~item~0#1.base|) 0)))} is VALID [2022-02-20 23:55:09,040 INFO L290 TraceCheckUtils]: 23: Hoare triple {8746#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~item~0#1.base| Int)) (= (select |ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~item~0#1.base|) 0)))} assume !(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {8746#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~item~0#1.base| Int)) (= (select |ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~item~0#1.base|) 0)))} is VALID [2022-02-20 23:55:09,040 INFO L290 TraceCheckUtils]: 24: Hoare triple {8746#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~item~0#1.base| Int)) (= (select |ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~item~0#1.base|) 0)))} main_#res#1 := 0; {8746#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~item~0#1.base| Int)) (= (select |ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~item~0#1.base|) 0)))} is VALID [2022-02-20 23:55:09,041 INFO L290 TraceCheckUtils]: 25: Hoare triple {8746#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~item~0#1.base| Int)) (= (select |ULTIMATE.start_main_old_#valid#1| |ULTIMATE.start_main_~item~0#1.base|) 0)))} assume !(#valid == main_old_#valid#1); {8673#false} is VALID [2022-02-20 23:55:09,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:09,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:09,110 INFO L290 TraceCheckUtils]: 25: Hoare triple {8676#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(#valid == main_old_#valid#1); {8673#false} is VALID [2022-02-20 23:55:09,111 INFO L290 TraceCheckUtils]: 24: Hoare triple {8676#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} main_#res#1 := 0; {8676#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:55:09,111 INFO L290 TraceCheckUtils]: 23: Hoare triple {8676#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {8676#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:55:09,112 INFO L290 TraceCheckUtils]: 22: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {8676#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:55:09,112 INFO L290 TraceCheckUtils]: 21: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~item~0#1.base < #StackHeapBarrier; {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,112 INFO L290 TraceCheckUtils]: 20: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~item~0#1.offset; {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,113 INFO L290 TraceCheckUtils]: 19: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,113 INFO L290 TraceCheckUtils]: 18: Hoare triple {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,113 INFO L290 TraceCheckUtils]: 17: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8675#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,113 INFO L290 TraceCheckUtils]: 16: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,114 INFO L290 TraceCheckUtils]: 15: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short21#1; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,114 INFO L290 TraceCheckUtils]: 14: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,114 INFO L290 TraceCheckUtils]: 13: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,115 INFO L290 TraceCheckUtils]: 12: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,115 INFO L290 TraceCheckUtils]: 11: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(3 == main_~status~0#1); {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,115 INFO L290 TraceCheckUtils]: 10: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(2 == main_~status~0#1); {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,115 INFO L290 TraceCheckUtils]: 9: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(1 == main_~status~0#1); {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,116 INFO L290 TraceCheckUtils]: 8: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} goto; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,116 INFO L290 TraceCheckUtils]: 7: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,116 INFO L290 TraceCheckUtils]: 6: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,116 INFO L290 TraceCheckUtils]: 5: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,117 INFO L290 TraceCheckUtils]: 4: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,117 INFO L290 TraceCheckUtils]: 3: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,118 INFO L290 TraceCheckUtils]: 2: Hoare triple {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,119 INFO L290 TraceCheckUtils]: 1: Hoare triple {8672#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {8674#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:09,119 INFO L290 TraceCheckUtils]: 0: Hoare triple {8672#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {8672#true} is VALID [2022-02-20 23:55:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:09,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982257060] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:09,121 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:09,121 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2022-02-20 23:55:09,121 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983866548] [2022-02-20 23:55:09,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:09,122 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:55:09,122 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:09,122 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,139 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:09,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:09,140 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:09,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:09,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:09,140 INFO L87 Difference]: Start difference. First operand 162 states and 176 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:09,493 INFO L93 Difference]: Finished difference Result 172 states and 185 transitions. [2022-02-20 23:55:09,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 23:55:09,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:55:09,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:09,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 157 transitions. [2022-02-20 23:55:09,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 157 transitions. [2022-02-20 23:55:09,496 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 157 transitions. [2022-02-20 23:55:09,601 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 157 edges. 157 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:09,602 INFO L225 Difference]: With dead ends: 172 [2022-02-20 23:55:09,602 INFO L226 Difference]: Without dead ends: 153 [2022-02-20 23:55:09,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:55:09,603 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 12 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 49 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:09,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 473 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 49 Unchecked, 0.1s Time] [2022-02-20 23:55:09,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-02-20 23:55:09,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2022-02-20 23:55:09,605 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:09,605 INFO L82 GeneralOperation]: Start isEquivalent. First operand 153 states. Second operand has 153 states, 121 states have (on average 1.371900826446281) internal successors, (166), 152 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,606 INFO L74 IsIncluded]: Start isIncluded. First operand 153 states. Second operand has 153 states, 121 states have (on average 1.371900826446281) internal successors, (166), 152 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,606 INFO L87 Difference]: Start difference. First operand 153 states. Second operand has 153 states, 121 states have (on average 1.371900826446281) internal successors, (166), 152 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:09,607 INFO L93 Difference]: Finished difference Result 153 states and 166 transitions. [2022-02-20 23:55:09,607 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 166 transitions. [2022-02-20 23:55:09,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:09,608 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:09,608 INFO L74 IsIncluded]: Start isIncluded. First operand has 153 states, 121 states have (on average 1.371900826446281) internal successors, (166), 152 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 153 states. [2022-02-20 23:55:09,608 INFO L87 Difference]: Start difference. First operand has 153 states, 121 states have (on average 1.371900826446281) internal successors, (166), 152 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 153 states. [2022-02-20 23:55:09,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:09,609 INFO L93 Difference]: Finished difference Result 153 states and 166 transitions. [2022-02-20 23:55:09,609 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 166 transitions. [2022-02-20 23:55:09,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:09,610 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:09,610 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:09,610 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:09,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 121 states have (on average 1.371900826446281) internal successors, (166), 152 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 166 transitions. [2022-02-20 23:55:09,611 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 166 transitions. Word has length 26 [2022-02-20 23:55:09,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:09,611 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 166 transitions. [2022-02-20 23:55:09,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:09,623 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 166 transitions. [2022-02-20 23:55:09,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 23:55:09,625 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:09,625 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:09,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:09,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-20 23:55:09,839 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:09,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:09,840 INFO L85 PathProgramCache]: Analyzing trace with hash -370767273, now seen corresponding path program 1 times [2022-02-20 23:55:09,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:09,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447563121] [2022-02-20 23:55:09,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:09,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:10,003 INFO L290 TraceCheckUtils]: 0: Hoare triple {9465#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {9465#true} is VALID [2022-02-20 23:55:10,003 INFO L290 TraceCheckUtils]: 1: Hoare triple {9465#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {9465#true} is VALID [2022-02-20 23:55:10,004 INFO L290 TraceCheckUtils]: 2: Hoare triple {9465#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {9467#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:10,004 INFO L290 TraceCheckUtils]: 3: Hoare triple {9467#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {9467#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:10,005 INFO L290 TraceCheckUtils]: 4: Hoare triple {9467#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {9468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:10,005 INFO L290 TraceCheckUtils]: 5: Hoare triple {9468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:10,006 INFO L290 TraceCheckUtils]: 6: Hoare triple {9468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {9469#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:10,006 INFO L290 TraceCheckUtils]: 7: Hoare triple {9469#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {9470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:10,007 INFO L290 TraceCheckUtils]: 8: Hoare triple {9470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {9470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:10,007 INFO L290 TraceCheckUtils]: 9: Hoare triple {9470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {9471#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:10,008 INFO L290 TraceCheckUtils]: 10: Hoare triple {9471#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {9472#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:10,009 INFO L290 TraceCheckUtils]: 11: Hoare triple {9472#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {9472#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:10,009 INFO L290 TraceCheckUtils]: 12: Hoare triple {9472#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume 0 == main_~status~0#1; {9472#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:10,010 INFO L290 TraceCheckUtils]: 13: Hoare triple {9472#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {9473#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,010 INFO L290 TraceCheckUtils]: 14: Hoare triple {9473#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0))} main_~status~0#1 := 1; {9473#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,011 INFO L290 TraceCheckUtils]: 15: Hoare triple {9473#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {9473#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,011 INFO L290 TraceCheckUtils]: 16: Hoare triple {9473#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0))} goto; {9473#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,011 INFO L290 TraceCheckUtils]: 17: Hoare triple {9473#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,012 INFO L290 TraceCheckUtils]: 18: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,012 INFO L290 TraceCheckUtils]: 19: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,012 INFO L290 TraceCheckUtils]: 20: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,013 INFO L290 TraceCheckUtils]: 21: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,013 INFO L290 TraceCheckUtils]: 22: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,014 INFO L290 TraceCheckUtils]: 23: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 1 == main_~status~0#1; {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,014 INFO L290 TraceCheckUtils]: 24: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,014 INFO L290 TraceCheckUtils]: 25: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,019 INFO L290 TraceCheckUtils]: 26: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {9475#(not (= |ULTIMATE.start_main_#t~mem5#1.base| 0))} is VALID [2022-02-20 23:55:10,020 INFO L290 TraceCheckUtils]: 27: Hoare triple {9475#(not (= |ULTIMATE.start_main_#t~mem5#1.base| 0))} assume !(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {9466#false} is VALID [2022-02-20 23:55:10,020 INFO L290 TraceCheckUtils]: 28: Hoare triple {9466#false} assume !false; {9466#false} is VALID [2022-02-20 23:55:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:10,020 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:10,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447563121] [2022-02-20 23:55:10,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447563121] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:10,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924022050] [2022-02-20 23:55:10,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:10,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:10,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:10,022 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:10,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 23:55:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:10,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-20 23:55:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:10,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:10,116 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:10,191 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:10,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:55:10,273 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:10,399 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:10,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 28 [2022-02-20 23:55:10,450 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:10,450 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 28 [2022-02-20 23:55:10,603 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2022-02-20 23:55:10,612 INFO L290 TraceCheckUtils]: 0: Hoare triple {9465#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {9465#true} is VALID [2022-02-20 23:55:10,612 INFO L290 TraceCheckUtils]: 1: Hoare triple {9465#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {9482#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:10,613 INFO L290 TraceCheckUtils]: 2: Hoare triple {9482#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {9482#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:10,613 INFO L290 TraceCheckUtils]: 3: Hoare triple {9482#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {9482#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:10,614 INFO L290 TraceCheckUtils]: 4: Hoare triple {9482#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {9492#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:10,614 INFO L290 TraceCheckUtils]: 5: Hoare triple {9492#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9492#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:10,615 INFO L290 TraceCheckUtils]: 6: Hoare triple {9492#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {9499#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| 0)))} is VALID [2022-02-20 23:55:10,615 INFO L290 TraceCheckUtils]: 7: Hoare triple {9499#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| 0)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {9503#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:10,616 INFO L290 TraceCheckUtils]: 8: Hoare triple {9503#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {9503#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:10,616 INFO L290 TraceCheckUtils]: 9: Hoare triple {9503#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {9510#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,617 INFO L290 TraceCheckUtils]: 10: Hoare triple {9510#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {9514#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,618 INFO L290 TraceCheckUtils]: 11: Hoare triple {9514#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {9514#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,618 INFO L290 TraceCheckUtils]: 12: Hoare triple {9514#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 == main_~status~0#1; {9514#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,619 INFO L290 TraceCheckUtils]: 13: Hoare triple {9514#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,619 INFO L290 TraceCheckUtils]: 14: Hoare triple {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~status~0#1 := 1; {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,619 INFO L290 TraceCheckUtils]: 15: Hoare triple {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,620 INFO L290 TraceCheckUtils]: 16: Hoare triple {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,620 INFO L290 TraceCheckUtils]: 17: Hoare triple {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,621 INFO L290 TraceCheckUtils]: 18: Hoare triple {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,621 INFO L290 TraceCheckUtils]: 19: Hoare triple {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,621 INFO L290 TraceCheckUtils]: 20: Hoare triple {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,622 INFO L290 TraceCheckUtils]: 21: Hoare triple {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,622 INFO L290 TraceCheckUtils]: 22: Hoare triple {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,623 INFO L290 TraceCheckUtils]: 23: Hoare triple {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 1 == main_~status~0#1; {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,623 INFO L290 TraceCheckUtils]: 24: Hoare triple {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,624 INFO L290 TraceCheckUtils]: 25: Hoare triple {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:10,624 INFO L290 TraceCheckUtils]: 26: Hoare triple {9524#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {9475#(not (= |ULTIMATE.start_main_#t~mem5#1.base| 0))} is VALID [2022-02-20 23:55:10,624 INFO L290 TraceCheckUtils]: 27: Hoare triple {9475#(not (= |ULTIMATE.start_main_#t~mem5#1.base| 0))} assume !(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {9466#false} is VALID [2022-02-20 23:55:10,624 INFO L290 TraceCheckUtils]: 28: Hoare triple {9466#false} assume !false; {9466#false} is VALID [2022-02-20 23:55:10,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:10,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:10,670 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_305 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_305) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0))) is different from false [2022-02-20 23:55:10,701 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_305 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_305) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0))) is different from false [2022-02-20 23:55:10,708 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_305 (Array Int Int))) (not (= 0 (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_305) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) is different from false [2022-02-20 23:55:10,720 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:10,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2022-02-20 23:55:10,728 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:10,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2022-02-20 23:55:10,739 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-02-20 23:55:10,955 INFO L290 TraceCheckUtils]: 28: Hoare triple {9466#false} assume !false; {9466#false} is VALID [2022-02-20 23:55:10,957 INFO L290 TraceCheckUtils]: 27: Hoare triple {9475#(not (= |ULTIMATE.start_main_#t~mem5#1.base| 0))} assume !(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {9466#false} is VALID [2022-02-20 23:55:10,957 INFO L290 TraceCheckUtils]: 26: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {9475#(not (= |ULTIMATE.start_main_#t~mem5#1.base| 0))} is VALID [2022-02-20 23:55:10,957 INFO L290 TraceCheckUtils]: 25: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,958 INFO L290 TraceCheckUtils]: 24: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,958 INFO L290 TraceCheckUtils]: 23: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 1 == main_~status~0#1; {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,958 INFO L290 TraceCheckUtils]: 22: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,959 INFO L290 TraceCheckUtils]: 21: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,959 INFO L290 TraceCheckUtils]: 20: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,959 INFO L290 TraceCheckUtils]: 19: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,959 INFO L290 TraceCheckUtils]: 18: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,960 INFO L290 TraceCheckUtils]: 17: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,960 INFO L290 TraceCheckUtils]: 16: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,960 INFO L290 TraceCheckUtils]: 15: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,961 INFO L290 TraceCheckUtils]: 14: Hoare triple {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~status~0#1 := 1; {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,961 INFO L290 TraceCheckUtils]: 13: Hoare triple {9615#(forall ((v_ArrVal_305 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_305) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {9474#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:10,962 INFO L290 TraceCheckUtils]: 12: Hoare triple {9615#(forall ((v_ArrVal_305 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_305) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume 0 == main_~status~0#1; {9615#(forall ((v_ArrVal_305 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_305) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:10,963 WARN L290 TraceCheckUtils]: 11: Hoare triple {9615#(forall ((v_ArrVal_305 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_305) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {9615#(forall ((v_ArrVal_305 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_305) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is UNKNOWN [2022-02-20 23:55:10,964 INFO L290 TraceCheckUtils]: 10: Hoare triple {9625#(forall ((v_ArrVal_305 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_305) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {9615#(forall ((v_ArrVal_305 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_305) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:10,965 INFO L290 TraceCheckUtils]: 9: Hoare triple {9629#(forall ((v_ArrVal_305 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_305) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {9625#(forall ((v_ArrVal_305 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_305) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:10,965 INFO L290 TraceCheckUtils]: 8: Hoare triple {9629#(forall ((v_ArrVal_305 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_305) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {9629#(forall ((v_ArrVal_305 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_305) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:10,966 INFO L290 TraceCheckUtils]: 7: Hoare triple {9636#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| 0)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {9629#(forall ((v_ArrVal_305 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_305) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:10,967 INFO L290 TraceCheckUtils]: 6: Hoare triple {9640#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_7| Int)) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_7| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_7|) 0)) (= |v_ULTIMATE.start_main_#t~malloc3#1.base_7| 0)))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {9636#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| 0)))} is VALID [2022-02-20 23:55:10,967 INFO L290 TraceCheckUtils]: 5: Hoare triple {9640#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_7| Int)) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_7| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_7|) 0)) (= |v_ULTIMATE.start_main_#t~malloc3#1.base_7| 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9640#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_7| Int)) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_7| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_7|) 0)) (= |v_ULTIMATE.start_main_#t~malloc3#1.base_7| 0)))} is VALID [2022-02-20 23:55:10,968 INFO L290 TraceCheckUtils]: 4: Hoare triple {9647#(or (= |ULTIMATE.start_main_~head~0#1.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {9640#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_7| Int)) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_7| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_7|) 0)) (= |v_ULTIMATE.start_main_#t~malloc3#1.base_7| 0)))} is VALID [2022-02-20 23:55:10,968 INFO L290 TraceCheckUtils]: 3: Hoare triple {9647#(or (= |ULTIMATE.start_main_~head~0#1.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {9647#(or (= |ULTIMATE.start_main_~head~0#1.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:10,968 INFO L290 TraceCheckUtils]: 2: Hoare triple {9647#(or (= |ULTIMATE.start_main_~head~0#1.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {9647#(or (= |ULTIMATE.start_main_~head~0#1.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:10,969 INFO L290 TraceCheckUtils]: 1: Hoare triple {9465#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {9647#(or (= |ULTIMATE.start_main_~head~0#1.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:10,969 INFO L290 TraceCheckUtils]: 0: Hoare triple {9465#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {9465#true} is VALID [2022-02-20 23:55:10,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:10,970 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924022050] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:10,970 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:10,970 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 24 [2022-02-20 23:55:10,970 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152939604] [2022-02-20 23:55:10,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:10,971 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.0) internal successors, (72), 24 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:55:10,971 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:10,971 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 24 states, 24 states have (on average 3.0) internal successors, (72), 24 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:11,042 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 71 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:11,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-20 23:55:11,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:11,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-20 23:55:11,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=363, Unknown=3, NotChecked=120, Total=552 [2022-02-20 23:55:11,043 INFO L87 Difference]: Start difference. First operand 153 states and 166 transitions. Second operand has 24 states, 24 states have (on average 3.0) internal successors, (72), 24 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:13,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:13,285 INFO L93 Difference]: Finished difference Result 281 states and 308 transitions. [2022-02-20 23:55:13,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-20 23:55:13,286 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.0) internal successors, (72), 24 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:55:13,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:13,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.0) internal successors, (72), 24 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:13,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 276 transitions. [2022-02-20 23:55:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 3.0) internal successors, (72), 24 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:13,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 276 transitions. [2022-02-20 23:55:13,292 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 276 transitions. [2022-02-20 23:55:13,495 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 276 edges. 276 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:13,498 INFO L225 Difference]: With dead ends: 281 [2022-02-20 23:55:13,498 INFO L226 Difference]: Without dead ends: 281 [2022-02-20 23:55:13,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=190, Invalid=749, Unknown=3, NotChecked=180, Total=1122 [2022-02-20 23:55:13,499 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 367 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 1459 SdHoareTripleChecker+Invalid, 1648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 706 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:13,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [367 Valid, 1459 Invalid, 1648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 918 Invalid, 0 Unknown, 706 Unchecked, 0.7s Time] [2022-02-20 23:55:13,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-02-20 23:55:13,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 168. [2022-02-20 23:55:13,501 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:13,502 INFO L82 GeneralOperation]: Start isEquivalent. First operand 281 states. Second operand has 168 states, 136 states have (on average 1.3455882352941178) internal successors, (183), 167 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:13,502 INFO L74 IsIncluded]: Start isIncluded. First operand 281 states. Second operand has 168 states, 136 states have (on average 1.3455882352941178) internal successors, (183), 167 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:13,502 INFO L87 Difference]: Start difference. First operand 281 states. Second operand has 168 states, 136 states have (on average 1.3455882352941178) internal successors, (183), 167 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:13,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:13,506 INFO L93 Difference]: Finished difference Result 281 states and 308 transitions. [2022-02-20 23:55:13,506 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 308 transitions. [2022-02-20 23:55:13,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:13,507 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:13,507 INFO L74 IsIncluded]: Start isIncluded. First operand has 168 states, 136 states have (on average 1.3455882352941178) internal successors, (183), 167 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 281 states. [2022-02-20 23:55:13,507 INFO L87 Difference]: Start difference. First operand has 168 states, 136 states have (on average 1.3455882352941178) internal successors, (183), 167 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 281 states. [2022-02-20 23:55:13,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:13,513 INFO L93 Difference]: Finished difference Result 281 states and 308 transitions. [2022-02-20 23:55:13,513 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 308 transitions. [2022-02-20 23:55:13,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:13,513 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:13,514 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:13,514 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:13,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 136 states have (on average 1.3455882352941178) internal successors, (183), 167 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 183 transitions. [2022-02-20 23:55:13,517 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 183 transitions. Word has length 29 [2022-02-20 23:55:13,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:13,517 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 183 transitions. [2022-02-20 23:55:13,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.0) internal successors, (72), 24 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:13,517 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 183 transitions. [2022-02-20 23:55:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 23:55:13,519 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:13,519 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:13,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:13,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:13,730 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:13,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:13,730 INFO L85 PathProgramCache]: Analyzing trace with hash -751968760, now seen corresponding path program 1 times [2022-02-20 23:55:13,730 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:13,730 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907673257] [2022-02-20 23:55:13,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:13,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:13,770 INFO L290 TraceCheckUtils]: 0: Hoare triple {10692#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {10692#true} is VALID [2022-02-20 23:55:13,771 INFO L290 TraceCheckUtils]: 1: Hoare triple {10692#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {10692#true} is VALID [2022-02-20 23:55:13,773 INFO L290 TraceCheckUtils]: 2: Hoare triple {10692#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {10692#true} is VALID [2022-02-20 23:55:13,773 INFO L290 TraceCheckUtils]: 3: Hoare triple {10692#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {10692#true} is VALID [2022-02-20 23:55:13,774 INFO L290 TraceCheckUtils]: 4: Hoare triple {10692#true} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {10692#true} is VALID [2022-02-20 23:55:13,774 INFO L290 TraceCheckUtils]: 5: Hoare triple {10692#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {10692#true} is VALID [2022-02-20 23:55:13,774 INFO L290 TraceCheckUtils]: 6: Hoare triple {10692#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {10692#true} is VALID [2022-02-20 23:55:13,774 INFO L290 TraceCheckUtils]: 7: Hoare triple {10692#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {10692#true} is VALID [2022-02-20 23:55:13,774 INFO L290 TraceCheckUtils]: 8: Hoare triple {10692#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {10692#true} is VALID [2022-02-20 23:55:13,774 INFO L290 TraceCheckUtils]: 9: Hoare triple {10692#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {10692#true} is VALID [2022-02-20 23:55:13,774 INFO L290 TraceCheckUtils]: 10: Hoare triple {10692#true} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {10692#true} is VALID [2022-02-20 23:55:13,774 INFO L290 TraceCheckUtils]: 11: Hoare triple {10692#true} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {10692#true} is VALID [2022-02-20 23:55:13,774 INFO L290 TraceCheckUtils]: 12: Hoare triple {10692#true} assume 0 == main_~status~0#1; {10692#true} is VALID [2022-02-20 23:55:13,774 INFO L290 TraceCheckUtils]: 13: Hoare triple {10692#true} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {10692#true} is VALID [2022-02-20 23:55:13,774 INFO L290 TraceCheckUtils]: 14: Hoare triple {10692#true} main_~status~0#1 := 1; {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:55:13,774 INFO L290 TraceCheckUtils]: 15: Hoare triple {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:55:13,775 INFO L290 TraceCheckUtils]: 16: Hoare triple {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} goto; {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:55:13,775 INFO L290 TraceCheckUtils]: 17: Hoare triple {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:55:13,775 INFO L290 TraceCheckUtils]: 18: Hoare triple {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} goto; {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:55:13,775 INFO L290 TraceCheckUtils]: 19: Hoare triple {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:55:13,776 INFO L290 TraceCheckUtils]: 20: Hoare triple {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:55:13,776 INFO L290 TraceCheckUtils]: 21: Hoare triple {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:55:13,776 INFO L290 TraceCheckUtils]: 22: Hoare triple {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} goto; {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:55:13,776 INFO L290 TraceCheckUtils]: 23: Hoare triple {10694#(= |ULTIMATE.start_main_~status~0#1| 1)} assume !(1 == main_~status~0#1); {10693#false} is VALID [2022-02-20 23:55:13,777 INFO L290 TraceCheckUtils]: 24: Hoare triple {10693#false} assume 2 == main_~status~0#1; {10693#false} is VALID [2022-02-20 23:55:13,777 INFO L290 TraceCheckUtils]: 25: Hoare triple {10693#false} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {10693#false} is VALID [2022-02-20 23:55:13,777 INFO L290 TraceCheckUtils]: 26: Hoare triple {10693#false} goto; {10693#false} is VALID [2022-02-20 23:55:13,777 INFO L290 TraceCheckUtils]: 27: Hoare triple {10693#false} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1037-4 {10693#false} is VALID [2022-02-20 23:55:13,777 INFO L290 TraceCheckUtils]: 28: Hoare triple {10693#false} assume !(main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0);havoc main_#t~mem6#1.base, main_#t~mem6#1.offset; {10693#false} is VALID [2022-02-20 23:55:13,777 INFO L290 TraceCheckUtils]: 29: Hoare triple {10693#false} assume !false; {10693#false} is VALID [2022-02-20 23:55:13,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:13,777 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:13,777 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907673257] [2022-02-20 23:55:13,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907673257] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:13,777 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:13,777 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:13,777 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467642065] [2022-02-20 23:55:13,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:13,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-02-20 23:55:13,778 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:13,778 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:13,795 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:13,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:13,796 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:13,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:13,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:13,796 INFO L87 Difference]: Start difference. First operand 168 states and 183 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:13,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:13,922 INFO L93 Difference]: Finished difference Result 239 states and 260 transitions. [2022-02-20 23:55:13,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:13,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-02-20 23:55:13,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:13,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2022-02-20 23:55:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:13,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2022-02-20 23:55:13,924 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 195 transitions. [2022-02-20 23:55:14,047 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 195 edges. 195 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:14,049 INFO L225 Difference]: With dead ends: 239 [2022-02-20 23:55:14,049 INFO L226 Difference]: Without dead ends: 239 [2022-02-20 23:55:14,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:14,050 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 55 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:14,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 245 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:55:14,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-02-20 23:55:14,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 186. [2022-02-20 23:55:14,052 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:14,053 INFO L82 GeneralOperation]: Start isEquivalent. First operand 239 states. Second operand has 186 states, 154 states have (on average 1.3051948051948052) internal successors, (201), 185 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,053 INFO L74 IsIncluded]: Start isIncluded. First operand 239 states. Second operand has 186 states, 154 states have (on average 1.3051948051948052) internal successors, (201), 185 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,053 INFO L87 Difference]: Start difference. First operand 239 states. Second operand has 186 states, 154 states have (on average 1.3051948051948052) internal successors, (201), 185 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:14,056 INFO L93 Difference]: Finished difference Result 239 states and 260 transitions. [2022-02-20 23:55:14,056 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 260 transitions. [2022-02-20 23:55:14,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:14,057 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:14,057 INFO L74 IsIncluded]: Start isIncluded. First operand has 186 states, 154 states have (on average 1.3051948051948052) internal successors, (201), 185 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 239 states. [2022-02-20 23:55:14,057 INFO L87 Difference]: Start difference. First operand has 186 states, 154 states have (on average 1.3051948051948052) internal successors, (201), 185 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 239 states. [2022-02-20 23:55:14,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:14,061 INFO L93 Difference]: Finished difference Result 239 states and 260 transitions. [2022-02-20 23:55:14,061 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 260 transitions. [2022-02-20 23:55:14,061 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:14,061 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:14,061 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:14,061 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:14,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 154 states have (on average 1.3051948051948052) internal successors, (201), 185 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 201 transitions. [2022-02-20 23:55:14,064 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 201 transitions. Word has length 30 [2022-02-20 23:55:14,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:14,064 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 201 transitions. [2022-02-20 23:55:14,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:14,064 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 201 transitions. [2022-02-20 23:55:14,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-20 23:55:14,065 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:14,065 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:14,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-20 23:55:14,065 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr59REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:14,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:14,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1573046208, now seen corresponding path program 1 times [2022-02-20 23:55:14,066 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:14,066 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994738913] [2022-02-20 23:55:14,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:14,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:14,234 INFO L290 TraceCheckUtils]: 0: Hoare triple {11600#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {11600#true} is VALID [2022-02-20 23:55:14,234 INFO L290 TraceCheckUtils]: 1: Hoare triple {11600#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {11600#true} is VALID [2022-02-20 23:55:14,234 INFO L290 TraceCheckUtils]: 2: Hoare triple {11600#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {11602#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:14,235 INFO L290 TraceCheckUtils]: 3: Hoare triple {11602#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {11602#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:14,235 INFO L290 TraceCheckUtils]: 4: Hoare triple {11602#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {11603#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:14,236 INFO L290 TraceCheckUtils]: 5: Hoare triple {11603#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11603#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:14,236 INFO L290 TraceCheckUtils]: 6: Hoare triple {11603#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {11604#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:14,237 INFO L290 TraceCheckUtils]: 7: Hoare triple {11604#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {11605#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:14,241 INFO L290 TraceCheckUtils]: 8: Hoare triple {11605#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {11605#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:14,241 INFO L290 TraceCheckUtils]: 9: Hoare triple {11605#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {11606#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,242 INFO L290 TraceCheckUtils]: 10: Hoare triple {11606#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {11607#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,242 INFO L290 TraceCheckUtils]: 11: Hoare triple {11607#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {11607#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,243 INFO L290 TraceCheckUtils]: 12: Hoare triple {11607#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 0 == main_~status~0#1; {11607#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,243 INFO L290 TraceCheckUtils]: 13: Hoare triple {11607#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:14,244 INFO L290 TraceCheckUtils]: 14: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} main_~status~0#1 := 1; {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,244 INFO L290 TraceCheckUtils]: 15: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,244 INFO L290 TraceCheckUtils]: 16: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,244 INFO L290 TraceCheckUtils]: 17: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,245 INFO L290 TraceCheckUtils]: 18: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,245 INFO L290 TraceCheckUtils]: 19: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,245 INFO L290 TraceCheckUtils]: 20: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,245 INFO L290 TraceCheckUtils]: 21: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,246 INFO L290 TraceCheckUtils]: 22: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,246 INFO L290 TraceCheckUtils]: 23: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 1 == main_~status~0#1; {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,246 INFO L290 TraceCheckUtils]: 24: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,247 INFO L290 TraceCheckUtils]: 25: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,247 INFO L290 TraceCheckUtils]: 26: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,247 INFO L290 TraceCheckUtils]: 27: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,247 INFO L290 TraceCheckUtils]: 28: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,248 INFO L290 TraceCheckUtils]: 29: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(2 == main_~status~0#1); {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,248 INFO L290 TraceCheckUtils]: 30: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(3 == main_~status~0#1); {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:14,248 INFO L290 TraceCheckUtils]: 31: Hoare triple {11609#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {11610#(or (= (select |#valid| |ULTIMATE.start_main_#t~mem19#1.base|) 1) (= |ULTIMATE.start_main_~status~0#1| 0))} is VALID [2022-02-20 23:55:14,249 INFO L290 TraceCheckUtils]: 32: Hoare triple {11610#(or (= (select |#valid| |ULTIMATE.start_main_#t~mem19#1.base|) 1) (= |ULTIMATE.start_main_~status~0#1| 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {11611#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:14,249 INFO L290 TraceCheckUtils]: 33: Hoare triple {11611#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {11611#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:14,249 INFO L290 TraceCheckUtils]: 34: Hoare triple {11611#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {11611#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:14,249 INFO L290 TraceCheckUtils]: 35: Hoare triple {11611#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume !!main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {11611#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:14,250 INFO L290 TraceCheckUtils]: 36: Hoare triple {11611#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} main_#t~short23#1 := 0 == main_~status~0#1; {11612#(or |ULTIMATE.start_main_#t~short23#1| (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:14,250 INFO L290 TraceCheckUtils]: 37: Hoare triple {11612#(or |ULTIMATE.start_main_#t~short23#1| (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume !main_#t~short23#1; {11613#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:55:14,250 INFO L290 TraceCheckUtils]: 38: Hoare triple {11613#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !(1 == #valid[main_~item~0#1.base]); {11601#false} is VALID [2022-02-20 23:55:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:14,251 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:14,251 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994738913] [2022-02-20 23:55:14,251 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994738913] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:14,251 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562221625] [2022-02-20 23:55:14,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:14,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:14,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:14,252 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:14,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 23:55:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:14,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 31 conjunts are in the unsatisfiable core [2022-02-20 23:55:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:14,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:14,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:14,456 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 23:55:14,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 23:55:14,518 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:14,680 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:14,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:55:14,732 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:14,732 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29 [2022-02-20 23:55:15,027 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-02-20 23:55:15,358 INFO L290 TraceCheckUtils]: 0: Hoare triple {11600#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {11600#true} is VALID [2022-02-20 23:55:15,359 INFO L290 TraceCheckUtils]: 1: Hoare triple {11600#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {11620#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:15,359 INFO L290 TraceCheckUtils]: 2: Hoare triple {11620#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {11620#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:15,360 INFO L290 TraceCheckUtils]: 3: Hoare triple {11620#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {11620#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:15,360 INFO L290 TraceCheckUtils]: 4: Hoare triple {11620#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {11630#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:15,361 INFO L290 TraceCheckUtils]: 5: Hoare triple {11630#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11630#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:15,361 INFO L290 TraceCheckUtils]: 6: Hoare triple {11630#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {11637#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:15,362 INFO L290 TraceCheckUtils]: 7: Hoare triple {11637#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {11641#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:15,363 INFO L290 TraceCheckUtils]: 8: Hoare triple {11641#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {11641#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:15,363 INFO L290 TraceCheckUtils]: 9: Hoare triple {11641#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {11648#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,364 INFO L290 TraceCheckUtils]: 10: Hoare triple {11648#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {11652#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,364 INFO L290 TraceCheckUtils]: 11: Hoare triple {11652#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {11652#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,365 INFO L290 TraceCheckUtils]: 12: Hoare triple {11652#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 0 == main_~status~0#1; {11652#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,366 INFO L290 TraceCheckUtils]: 13: Hoare triple {11652#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,366 INFO L290 TraceCheckUtils]: 14: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~status~0#1 := 1; {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,366 INFO L290 TraceCheckUtils]: 15: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,383 INFO L290 TraceCheckUtils]: 16: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,383 INFO L290 TraceCheckUtils]: 17: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,384 INFO L290 TraceCheckUtils]: 18: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,384 INFO L290 TraceCheckUtils]: 19: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,385 INFO L290 TraceCheckUtils]: 20: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,385 INFO L290 TraceCheckUtils]: 21: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,386 INFO L290 TraceCheckUtils]: 22: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,386 INFO L290 TraceCheckUtils]: 23: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 1 == main_~status~0#1; {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,387 INFO L290 TraceCheckUtils]: 24: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,387 INFO L290 TraceCheckUtils]: 25: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,388 INFO L290 TraceCheckUtils]: 26: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,388 INFO L290 TraceCheckUtils]: 27: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,389 INFO L290 TraceCheckUtils]: 28: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,389 INFO L290 TraceCheckUtils]: 29: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(2 == main_~status~0#1); {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,389 INFO L290 TraceCheckUtils]: 30: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(3 == main_~status~0#1); {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:15,390 INFO L290 TraceCheckUtils]: 31: Hoare triple {11662#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {11717#(and (= (select |#valid| |ULTIMATE.start_main_#t~mem19#1.base|) 1) (exists ((|ULTIMATE.start_main_~head~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem19#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:55:15,391 INFO L290 TraceCheckUtils]: 32: Hoare triple {11717#(and (= (select |#valid| |ULTIMATE.start_main_#t~mem19#1.base|) 1) (exists ((|ULTIMATE.start_main_~head~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem19#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {11721#(and (exists ((|ULTIMATE.start_main_~head~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:15,391 INFO L290 TraceCheckUtils]: 33: Hoare triple {11721#(and (exists ((|ULTIMATE.start_main_~head~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {11721#(and (exists ((|ULTIMATE.start_main_~head~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:15,392 INFO L290 TraceCheckUtils]: 34: Hoare triple {11721#(and (exists ((|ULTIMATE.start_main_~head~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {11721#(and (exists ((|ULTIMATE.start_main_~head~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:15,393 INFO L290 TraceCheckUtils]: 35: Hoare triple {11721#(and (exists ((|ULTIMATE.start_main_~head~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume !!main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {11721#(and (exists ((|ULTIMATE.start_main_~head~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:15,393 INFO L290 TraceCheckUtils]: 36: Hoare triple {11721#(and (exists ((|ULTIMATE.start_main_~head~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} main_#t~short23#1 := 0 == main_~status~0#1; {11721#(and (exists ((|ULTIMATE.start_main_~head~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:15,394 INFO L290 TraceCheckUtils]: 37: Hoare triple {11721#(and (exists ((|ULTIMATE.start_main_~head~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume !main_#t~short23#1; {11721#(and (exists ((|ULTIMATE.start_main_~head~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:15,394 INFO L290 TraceCheckUtils]: 38: Hoare triple {11721#(and (exists ((|ULTIMATE.start_main_~head~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume !(1 == #valid[main_~item~0#1.base]); {11601#false} is VALID [2022-02-20 23:55:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:15,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:15,534 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_413 (Array Int Int))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_413) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 1)) is different from false [2022-02-20 23:55:15,543 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_413 (Array Int Int))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_413) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 1)) is different from false [2022-02-20 23:55:15,555 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:15,555 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2022-02-20 23:55:15,561 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:15,561 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 37 [2022-02-20 23:55:15,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2022-02-20 23:55:18,243 INFO L290 TraceCheckUtils]: 38: Hoare triple {11613#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !(1 == #valid[main_~item~0#1.base]); {11601#false} is VALID [2022-02-20 23:55:18,244 INFO L290 TraceCheckUtils]: 37: Hoare triple {11613#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !main_#t~short23#1; {11613#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:55:18,244 INFO L290 TraceCheckUtils]: 36: Hoare triple {11613#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} main_#t~short23#1 := 0 == main_~status~0#1; {11613#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:55:18,244 INFO L290 TraceCheckUtils]: 35: Hoare triple {11613#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !!main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {11613#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:55:18,245 INFO L290 TraceCheckUtils]: 34: Hoare triple {11613#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {11613#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:55:18,245 INFO L290 TraceCheckUtils]: 33: Hoare triple {11613#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {11613#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:55:18,246 INFO L290 TraceCheckUtils]: 32: Hoare triple {11758#(= (select |#valid| |ULTIMATE.start_main_#t~mem19#1.base|) 1)} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {11613#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:55:18,246 INFO L290 TraceCheckUtils]: 31: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {11758#(= (select |#valid| |ULTIMATE.start_main_#t~mem19#1.base|) 1)} is VALID [2022-02-20 23:55:18,246 INFO L290 TraceCheckUtils]: 30: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume !(3 == main_~status~0#1); {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,247 INFO L290 TraceCheckUtils]: 29: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume !(2 == main_~status~0#1); {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,247 INFO L290 TraceCheckUtils]: 28: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} goto; {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,247 INFO L290 TraceCheckUtils]: 27: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,247 INFO L290 TraceCheckUtils]: 26: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,248 INFO L290 TraceCheckUtils]: 25: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} goto; {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,248 INFO L290 TraceCheckUtils]: 24: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,248 INFO L290 TraceCheckUtils]: 23: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume 1 == main_~status~0#1; {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,248 INFO L290 TraceCheckUtils]: 22: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} goto; {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,249 INFO L290 TraceCheckUtils]: 21: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,249 INFO L290 TraceCheckUtils]: 20: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,249 INFO L290 TraceCheckUtils]: 19: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,249 INFO L290 TraceCheckUtils]: 18: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} goto; {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,250 INFO L290 TraceCheckUtils]: 17: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,250 INFO L290 TraceCheckUtils]: 16: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} goto; {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,250 INFO L290 TraceCheckUtils]: 15: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,250 INFO L290 TraceCheckUtils]: 14: Hoare triple {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} main_~status~0#1 := 1; {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,251 INFO L290 TraceCheckUtils]: 13: Hoare triple {11816#(forall ((v_ArrVal_413 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_413) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {11608#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,251 INFO L290 TraceCheckUtils]: 12: Hoare triple {11816#(forall ((v_ArrVal_413 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_413) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 0 == main_~status~0#1; {11816#(forall ((v_ArrVal_413 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_413) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:18,254 WARN L290 TraceCheckUtils]: 11: Hoare triple {11816#(forall ((v_ArrVal_413 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_413) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {11816#(forall ((v_ArrVal_413 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_413) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is UNKNOWN [2022-02-20 23:55:18,254 INFO L290 TraceCheckUtils]: 10: Hoare triple {11826#(forall ((v_ArrVal_413 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_413) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {11816#(forall ((v_ArrVal_413 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_413) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:18,255 INFO L290 TraceCheckUtils]: 9: Hoare triple {11830#(forall ((v_ArrVal_413 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_413) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {11826#(forall ((v_ArrVal_413 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_413) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:18,255 INFO L290 TraceCheckUtils]: 8: Hoare triple {11830#(forall ((v_ArrVal_413 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_413) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {11830#(forall ((v_ArrVal_413 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_413) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:18,256 INFO L290 TraceCheckUtils]: 7: Hoare triple {11837#(or (forall ((v_arrayElimCell_17 Int)) (or (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| v_arrayElimCell_17) 1)) (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| v_arrayElimCell_17)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (forall ((v_arrayElimCell_18 Int)) (= (select |#valid| v_arrayElimCell_18) 1)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {11830#(forall ((v_ArrVal_413 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_413) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:18,262 INFO L290 TraceCheckUtils]: 6: Hoare triple {11841#(forall ((v_arrayElimCell_18 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_10| Int) (v_arrayElimCell_17 Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_10|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_10| 1) v_arrayElimCell_17) 1) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_10| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_10| 1) v_arrayElimCell_18) 1) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_10| v_arrayElimCell_17)))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {11837#(or (forall ((v_arrayElimCell_17 Int)) (or (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| v_arrayElimCell_17) 1)) (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| v_arrayElimCell_17)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (forall ((v_arrayElimCell_18 Int)) (= (select |#valid| v_arrayElimCell_18) 1)))} is VALID [2022-02-20 23:55:18,264 INFO L290 TraceCheckUtils]: 5: Hoare triple {11841#(forall ((v_arrayElimCell_18 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_10| Int) (v_arrayElimCell_17 Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_10|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_10| 1) v_arrayElimCell_17) 1) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_10| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_10| 1) v_arrayElimCell_18) 1) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_10| v_arrayElimCell_17)))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11841#(forall ((v_arrayElimCell_18 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_10| Int) (v_arrayElimCell_17 Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_10|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_10| 1) v_arrayElimCell_17) 1) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_10| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_10| 1) v_arrayElimCell_18) 1) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_10| v_arrayElimCell_17)))))} is VALID [2022-02-20 23:55:18,265 INFO L290 TraceCheckUtils]: 4: Hoare triple {11848#(or (forall ((v_arrayElimCell_18 Int)) (= 1 (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_18))) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {11841#(forall ((v_arrayElimCell_18 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_10| Int) (v_arrayElimCell_17 Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_10|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_10| 1) v_arrayElimCell_17) 1) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_10| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_10| 1) v_arrayElimCell_18) 1) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_10| v_arrayElimCell_17)))))} is VALID [2022-02-20 23:55:18,266 INFO L290 TraceCheckUtils]: 3: Hoare triple {11848#(or (forall ((v_arrayElimCell_18 Int)) (= 1 (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_18))) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {11848#(or (forall ((v_arrayElimCell_18 Int)) (= 1 (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_18))) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:18,266 INFO L290 TraceCheckUtils]: 2: Hoare triple {11848#(or (forall ((v_arrayElimCell_18 Int)) (= 1 (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_18))) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {11848#(or (forall ((v_arrayElimCell_18 Int)) (= 1 (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_18))) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:18,267 INFO L290 TraceCheckUtils]: 1: Hoare triple {11600#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {11848#(or (forall ((v_arrayElimCell_18 Int)) (= 1 (select (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 1) v_arrayElimCell_18))) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:18,267 INFO L290 TraceCheckUtils]: 0: Hoare triple {11600#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {11600#true} is VALID [2022-02-20 23:55:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:18,267 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562221625] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:18,267 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:18,267 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 29 [2022-02-20 23:55:18,267 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074512951] [2022-02-20 23:55:18,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:18,268 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.9310344827586206) internal successors, (114), 30 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-02-20 23:55:18,268 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:18,268 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 30 states, 29 states have (on average 3.9310344827586206) internal successors, (114), 30 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:22,395 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 111 inductive. 0 not inductive. 3 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:22,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-20 23:55:22,396 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:22,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-20 23:55:22,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=614, Unknown=6, NotChecked=106, Total=870 [2022-02-20 23:55:22,396 INFO L87 Difference]: Start difference. First operand 186 states and 201 transitions. Second operand has 30 states, 29 states have (on average 3.9310344827586206) internal successors, (114), 30 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:24,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:24,162 INFO L93 Difference]: Finished difference Result 241 states and 264 transitions. [2022-02-20 23:55:24,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-20 23:55:24,163 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.9310344827586206) internal successors, (114), 30 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-02-20 23:55:24,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:24,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 3.9310344827586206) internal successors, (114), 30 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 222 transitions. [2022-02-20 23:55:24,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 3.9310344827586206) internal successors, (114), 30 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:24,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 222 transitions. [2022-02-20 23:55:24,165 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 222 transitions. [2022-02-20 23:55:24,431 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 222 edges. 222 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:24,433 INFO L225 Difference]: With dead ends: 241 [2022-02-20 23:55:24,433 INFO L226 Difference]: Without dead ends: 241 [2022-02-20 23:55:24,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=374, Invalid=1268, Unknown=6, NotChecked=158, Total=1806 [2022-02-20 23:55:24,434 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 362 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 733 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:24,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [362 Valid, 1061 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 636 Invalid, 0 Unknown, 733 Unchecked, 0.5s Time] [2022-02-20 23:55:24,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2022-02-20 23:55:24,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 197. [2022-02-20 23:55:24,437 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:24,437 INFO L82 GeneralOperation]: Start isEquivalent. First operand 241 states. Second operand has 197 states, 165 states have (on average 1.309090909090909) internal successors, (216), 196 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:24,437 INFO L74 IsIncluded]: Start isIncluded. First operand 241 states. Second operand has 197 states, 165 states have (on average 1.309090909090909) internal successors, (216), 196 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:24,437 INFO L87 Difference]: Start difference. First operand 241 states. Second operand has 197 states, 165 states have (on average 1.309090909090909) internal successors, (216), 196 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:24,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:24,440 INFO L93 Difference]: Finished difference Result 241 states and 264 transitions. [2022-02-20 23:55:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 264 transitions. [2022-02-20 23:55:24,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:24,441 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:24,441 INFO L74 IsIncluded]: Start isIncluded. First operand has 197 states, 165 states have (on average 1.309090909090909) internal successors, (216), 196 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 241 states. [2022-02-20 23:55:24,441 INFO L87 Difference]: Start difference. First operand has 197 states, 165 states have (on average 1.309090909090909) internal successors, (216), 196 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 241 states. [2022-02-20 23:55:24,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:24,445 INFO L93 Difference]: Finished difference Result 241 states and 264 transitions. [2022-02-20 23:55:24,445 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 264 transitions. [2022-02-20 23:55:24,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:24,446 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:24,446 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:24,446 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:24,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 165 states have (on average 1.309090909090909) internal successors, (216), 196 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:24,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 216 transitions. [2022-02-20 23:55:24,450 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 216 transitions. Word has length 39 [2022-02-20 23:55:24,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:24,450 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 216 transitions. [2022-02-20 23:55:24,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.9310344827586206) internal successors, (114), 30 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 216 transitions. [2022-02-20 23:55:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-20 23:55:24,451 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:24,451 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:24,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:24,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-20 23:55:24,659 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr60REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:24,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:24,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1573046209, now seen corresponding path program 1 times [2022-02-20 23:55:24,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:24,660 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146064768] [2022-02-20 23:55:24,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:24,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:24,885 INFO L290 TraceCheckUtils]: 0: Hoare triple {12809#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {12809#true} is VALID [2022-02-20 23:55:24,885 INFO L290 TraceCheckUtils]: 1: Hoare triple {12809#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {12809#true} is VALID [2022-02-20 23:55:24,886 INFO L290 TraceCheckUtils]: 2: Hoare triple {12809#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {12811#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:24,886 INFO L290 TraceCheckUtils]: 3: Hoare triple {12811#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {12811#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:24,886 INFO L290 TraceCheckUtils]: 4: Hoare triple {12811#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {12812#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:24,887 INFO L290 TraceCheckUtils]: 5: Hoare triple {12812#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12812#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:24,887 INFO L290 TraceCheckUtils]: 6: Hoare triple {12812#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {12813#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:24,888 INFO L290 TraceCheckUtils]: 7: Hoare triple {12813#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {12814#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:24,889 INFO L290 TraceCheckUtils]: 8: Hoare triple {12814#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {12814#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:24,889 INFO L290 TraceCheckUtils]: 9: Hoare triple {12814#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {12815#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:24,890 INFO L290 TraceCheckUtils]: 10: Hoare triple {12815#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {12816#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:24,891 INFO L290 TraceCheckUtils]: 11: Hoare triple {12816#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {12816#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:24,891 INFO L290 TraceCheckUtils]: 12: Hoare triple {12816#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 == main_~status~0#1; {12816#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:24,892 INFO L290 TraceCheckUtils]: 13: Hoare triple {12816#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {12817#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:24,897 INFO L290 TraceCheckUtils]: 14: Hoare triple {12817#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~status~0#1 := 1; {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,898 INFO L290 TraceCheckUtils]: 15: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,898 INFO L290 TraceCheckUtils]: 16: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,899 INFO L290 TraceCheckUtils]: 17: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,899 INFO L290 TraceCheckUtils]: 18: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,900 INFO L290 TraceCheckUtils]: 19: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,900 INFO L290 TraceCheckUtils]: 20: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,900 INFO L290 TraceCheckUtils]: 21: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,901 INFO L290 TraceCheckUtils]: 22: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,901 INFO L290 TraceCheckUtils]: 23: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume 1 == main_~status~0#1; {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,902 INFO L290 TraceCheckUtils]: 24: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,902 INFO L290 TraceCheckUtils]: 25: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,903 INFO L290 TraceCheckUtils]: 26: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,903 INFO L290 TraceCheckUtils]: 27: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,904 INFO L290 TraceCheckUtils]: 28: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,904 INFO L290 TraceCheckUtils]: 29: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !(2 == main_~status~0#1); {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,905 INFO L290 TraceCheckUtils]: 30: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !(3 == main_~status~0#1); {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:24,905 INFO L290 TraceCheckUtils]: 31: Hoare triple {12818#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {12819#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem19#1.base|)) (= |ULTIMATE.start_main_#t~mem19#1.offset| 0)))} is VALID [2022-02-20 23:55:24,906 INFO L290 TraceCheckUtils]: 32: Hoare triple {12819#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem19#1.base|)) (= |ULTIMATE.start_main_#t~mem19#1.offset| 0)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {12820#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~item~0#1.base|) (- 8)) 0)))} is VALID [2022-02-20 23:55:24,906 INFO L290 TraceCheckUtils]: 33: Hoare triple {12820#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~item~0#1.base|) (- 8)) 0)))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {12820#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~item~0#1.base|) (- 8)) 0)))} is VALID [2022-02-20 23:55:24,906 INFO L290 TraceCheckUtils]: 34: Hoare triple {12820#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~item~0#1.base|) (- 8)) 0)))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {12820#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~item~0#1.base|) (- 8)) 0)))} is VALID [2022-02-20 23:55:24,906 INFO L290 TraceCheckUtils]: 35: Hoare triple {12820#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~item~0#1.base|) (- 8)) 0)))} assume !!main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {12820#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~item~0#1.base|) (- 8)) 0)))} is VALID [2022-02-20 23:55:24,907 INFO L290 TraceCheckUtils]: 36: Hoare triple {12820#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~item~0#1.base|) (- 8)) 0)))} main_#t~short23#1 := 0 == main_~status~0#1; {12821#(or |ULTIMATE.start_main_#t~short23#1| (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~item~0#1.base|) (- 8)) 0)))} is VALID [2022-02-20 23:55:24,907 INFO L290 TraceCheckUtils]: 37: Hoare triple {12821#(or |ULTIMATE.start_main_#t~short23#1| (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~item~0#1.base|) (- 8)) 0)))} assume !main_#t~short23#1; {12822#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~item~0#1.base|) (- 8)) 0))} is VALID [2022-02-20 23:55:24,908 INFO L290 TraceCheckUtils]: 38: Hoare triple {12822#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~item~0#1.base|) (- 8)) 0))} assume !(4 + (4 + main_~item~0#1.offset) <= #length[main_~item~0#1.base] && 0 <= 4 + main_~item~0#1.offset); {12810#false} is VALID [2022-02-20 23:55:24,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:24,911 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:24,911 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146064768] [2022-02-20 23:55:24,911 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146064768] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:24,911 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605213102] [2022-02-20 23:55:24,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:24,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:24,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:24,913 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:24,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 23:55:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:24,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-20 23:55:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:25,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:25,023 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:25,134 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:25,137 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:55:25,148 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:25,211 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:25,225 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:25,381 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:55:25,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 23:55:25,387 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-02-20 23:55:25,399 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:25,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:55:25,459 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:25,459 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2022-02-20 23:55:25,464 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-20 23:55:25,740 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-02-20 23:55:25,756 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:55:25,833 INFO L290 TraceCheckUtils]: 0: Hoare triple {12809#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {12809#true} is VALID [2022-02-20 23:55:25,834 INFO L290 TraceCheckUtils]: 1: Hoare triple {12809#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {12829#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,838 INFO L290 TraceCheckUtils]: 2: Hoare triple {12829#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {12829#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,839 INFO L290 TraceCheckUtils]: 3: Hoare triple {12829#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {12829#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:25,839 INFO L290 TraceCheckUtils]: 4: Hoare triple {12829#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {12839#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:25,839 INFO L290 TraceCheckUtils]: 5: Hoare triple {12839#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12839#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:25,840 INFO L290 TraceCheckUtils]: 6: Hoare triple {12839#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {12846#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:25,841 INFO L290 TraceCheckUtils]: 7: Hoare triple {12846#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {12850#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:25,843 INFO L290 TraceCheckUtils]: 8: Hoare triple {12850#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {12850#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:25,844 INFO L290 TraceCheckUtils]: 9: Hoare triple {12850#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {12857#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,844 INFO L290 TraceCheckUtils]: 10: Hoare triple {12857#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {12861#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,845 INFO L290 TraceCheckUtils]: 11: Hoare triple {12861#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {12861#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,845 INFO L290 TraceCheckUtils]: 12: Hoare triple {12861#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 == main_~status~0#1; {12861#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,846 INFO L290 TraceCheckUtils]: 13: Hoare triple {12861#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,847 INFO L290 TraceCheckUtils]: 14: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~status~0#1 := 1; {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,847 INFO L290 TraceCheckUtils]: 15: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,848 INFO L290 TraceCheckUtils]: 16: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,853 INFO L290 TraceCheckUtils]: 17: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,853 INFO L290 TraceCheckUtils]: 18: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,854 INFO L290 TraceCheckUtils]: 19: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,854 INFO L290 TraceCheckUtils]: 20: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,854 INFO L290 TraceCheckUtils]: 21: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,855 INFO L290 TraceCheckUtils]: 22: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,869 INFO L290 TraceCheckUtils]: 23: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 1 == main_~status~0#1; {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,870 INFO L290 TraceCheckUtils]: 24: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,870 INFO L290 TraceCheckUtils]: 25: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,870 INFO L290 TraceCheckUtils]: 26: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,871 INFO L290 TraceCheckUtils]: 27: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,871 INFO L290 TraceCheckUtils]: 28: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,872 INFO L290 TraceCheckUtils]: 29: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(2 == main_~status~0#1); {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,872 INFO L290 TraceCheckUtils]: 30: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(3 == main_~status~0#1); {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:25,872 INFO L290 TraceCheckUtils]: 31: Hoare triple {12871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {12926#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem19#1.base|)) (= |ULTIMATE.start_main_#t~mem19#1.offset| 0))} is VALID [2022-02-20 23:55:25,873 INFO L290 TraceCheckUtils]: 32: Hoare triple {12926#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem19#1.base|)) (= |ULTIMATE.start_main_#t~mem19#1.offset| 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {12930#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:25,873 INFO L290 TraceCheckUtils]: 33: Hoare triple {12930#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {12930#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:25,873 INFO L290 TraceCheckUtils]: 34: Hoare triple {12930#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {12930#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:25,874 INFO L290 TraceCheckUtils]: 35: Hoare triple {12930#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume !!main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {12930#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:25,874 INFO L290 TraceCheckUtils]: 36: Hoare triple {12930#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} main_#t~short23#1 := 0 == main_~status~0#1; {12930#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:25,874 INFO L290 TraceCheckUtils]: 37: Hoare triple {12930#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume !main_#t~short23#1; {12930#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:25,875 INFO L290 TraceCheckUtils]: 38: Hoare triple {12930#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume !(4 + (4 + main_~item~0#1.offset) <= #length[main_~item~0#1.base] && 0 <= 4 + main_~item~0#1.offset); {12810#false} is VALID [2022-02-20 23:55:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:25,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:26,183 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (<= (+ 8 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_491) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_490) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ 4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_491) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) is different from false [2022-02-20 23:55:26,231 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (<= (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_491) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 8) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_490) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_491) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 4)))) is different from false [2022-02-20 23:55:26,255 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_491) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 4))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|))) (<= (+ (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_491) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 8) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_490) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))))) is different from false [2022-02-20 23:55:26,294 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:26,294 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2022-02-20 23:55:26,307 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:26,308 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 37 [2022-02-20 23:55:26,312 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2022-02-20 23:55:26,359 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:26,359 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 38 [2022-02-20 23:55:26,372 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:26,373 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-02-20 23:55:26,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:26,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2022-02-20 23:55:26,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:26,407 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2022-02-20 23:55:26,576 INFO L290 TraceCheckUtils]: 38: Hoare triple {12949#(and (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume !(4 + (4 + main_~item~0#1.offset) <= #length[main_~item~0#1.base] && 0 <= 4 + main_~item~0#1.offset); {12810#false} is VALID [2022-02-20 23:55:26,577 INFO L290 TraceCheckUtils]: 37: Hoare triple {12949#(and (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume !main_#t~short23#1; {12949#(and (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:26,578 INFO L290 TraceCheckUtils]: 36: Hoare triple {12949#(and (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} main_#t~short23#1 := 0 == main_~status~0#1; {12949#(and (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:26,578 INFO L290 TraceCheckUtils]: 35: Hoare triple {12949#(and (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume !!main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {12949#(and (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:26,578 INFO L290 TraceCheckUtils]: 34: Hoare triple {12949#(and (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {12949#(and (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:26,579 INFO L290 TraceCheckUtils]: 33: Hoare triple {12949#(and (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {12949#(and (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:26,579 INFO L290 TraceCheckUtils]: 32: Hoare triple {12968#(and (<= 0 (+ |ULTIMATE.start_main_#t~mem19#1.offset| 4)) (<= (+ 8 |ULTIMATE.start_main_#t~mem19#1.offset|) (select |#length| |ULTIMATE.start_main_#t~mem19#1.base|)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {12949#(and (<= 0 (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:55:26,580 INFO L290 TraceCheckUtils]: 31: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {12968#(and (<= 0 (+ |ULTIMATE.start_main_#t~mem19#1.offset| 4)) (<= (+ 8 |ULTIMATE.start_main_#t~mem19#1.offset|) (select |#length| |ULTIMATE.start_main_#t~mem19#1.base|)))} is VALID [2022-02-20 23:55:26,580 INFO L290 TraceCheckUtils]: 30: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(3 == main_~status~0#1); {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,581 INFO L290 TraceCheckUtils]: 29: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(2 == main_~status~0#1); {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,581 INFO L290 TraceCheckUtils]: 28: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,581 INFO L290 TraceCheckUtils]: 27: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,582 INFO L290 TraceCheckUtils]: 26: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,582 INFO L290 TraceCheckUtils]: 25: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,583 INFO L290 TraceCheckUtils]: 24: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,583 INFO L290 TraceCheckUtils]: 23: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume 1 == main_~status~0#1; {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,583 INFO L290 TraceCheckUtils]: 22: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,584 INFO L290 TraceCheckUtils]: 21: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,584 INFO L290 TraceCheckUtils]: 20: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,585 INFO L290 TraceCheckUtils]: 19: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,585 INFO L290 TraceCheckUtils]: 18: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,585 INFO L290 TraceCheckUtils]: 17: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,586 INFO L290 TraceCheckUtils]: 16: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,586 INFO L290 TraceCheckUtils]: 15: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,587 INFO L290 TraceCheckUtils]: 14: Hoare triple {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} main_~status~0#1 := 1; {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,588 INFO L290 TraceCheckUtils]: 13: Hoare triple {13027#(and (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_490) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {12972#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:26,589 INFO L290 TraceCheckUtils]: 12: Hoare triple {13027#(and (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_490) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} assume 0 == main_~status~0#1; {13027#(and (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_490) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:55:26,593 WARN L290 TraceCheckUtils]: 11: Hoare triple {13027#(and (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_490) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {13027#(and (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_490) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is UNKNOWN [2022-02-20 23:55:26,593 INFO L290 TraceCheckUtils]: 10: Hoare triple {13037#(and (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_490) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {13027#(and (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_490) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:55:26,594 INFO L290 TraceCheckUtils]: 9: Hoare triple {13041#(and (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_490) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {13037#(and (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4))) (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_490) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:55:26,595 INFO L290 TraceCheckUtils]: 8: Hoare triple {13041#(and (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_490) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {13041#(and (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_490) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4))))} is VALID [2022-02-20 23:55:26,596 INFO L290 TraceCheckUtils]: 7: Hoare triple {13048#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (<= 0 (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 4)) (<= (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 8) (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {13041#(and (forall ((v_ArrVal_490 (Array Int Int)) (v_ArrVal_491 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_490) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_491 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_491) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4))))} is VALID [2022-02-20 23:55:26,597 INFO L290 TraceCheckUtils]: 6: Hoare triple {13052#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_13| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_13|) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_13| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {13048#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (<= 0 (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 4)) (<= (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 8) (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:26,598 INFO L290 TraceCheckUtils]: 5: Hoare triple {13052#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_13| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_13|) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_13| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13052#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_13| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_13|) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_13| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:55:26,599 INFO L290 TraceCheckUtils]: 4: Hoare triple {13059#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {13052#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_13| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_13|) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_13| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:55:26,599 INFO L290 TraceCheckUtils]: 3: Hoare triple {13059#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {13059#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:26,600 INFO L290 TraceCheckUtils]: 2: Hoare triple {13059#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {13059#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:26,600 INFO L290 TraceCheckUtils]: 1: Hoare triple {12809#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {13059#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:26,600 INFO L290 TraceCheckUtils]: 0: Hoare triple {12809#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {12809#true} is VALID [2022-02-20 23:55:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:26,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605213102] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:26,601 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:26,601 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 31 [2022-02-20 23:55:26,601 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156106879] [2022-02-20 23:55:26,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:26,601 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.7096774193548385) internal successors, (115), 32 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-02-20 23:55:26,602 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:26,602 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 32 states, 31 states have (on average 3.7096774193548385) internal successors, (115), 32 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:26,713 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 115 edges. 114 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:26,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-20 23:55:26,713 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:26,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-20 23:55:26,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=722, Unknown=3, NotChecked=168, Total=992 [2022-02-20 23:55:26,714 INFO L87 Difference]: Start difference. First operand 197 states and 216 transitions. Second operand has 32 states, 31 states have (on average 3.7096774193548385) internal successors, (115), 32 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:30,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:30,667 INFO L93 Difference]: Finished difference Result 325 states and 350 transitions. [2022-02-20 23:55:30,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-20 23:55:30,667 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.7096774193548385) internal successors, (115), 32 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-02-20 23:55:30,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 3.7096774193548385) internal successors, (115), 32 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:30,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 312 transitions. [2022-02-20 23:55:30,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 3.7096774193548385) internal successors, (115), 32 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:30,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 312 transitions. [2022-02-20 23:55:30,670 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states and 312 transitions. [2022-02-20 23:55:30,917 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 312 edges. 312 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:30,921 INFO L225 Difference]: With dead ends: 325 [2022-02-20 23:55:30,921 INFO L226 Difference]: Without dead ends: 325 [2022-02-20 23:55:30,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=471, Invalid=2294, Unknown=3, NotChecked=312, Total=3080 [2022-02-20 23:55:30,922 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 913 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 2188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 768 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:30,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [913 Valid, 1096 Invalid, 2188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1271 Invalid, 0 Unknown, 768 Unchecked, 1.1s Time] [2022-02-20 23:55:30,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2022-02-20 23:55:30,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 201. [2022-02-20 23:55:30,925 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:30,925 INFO L82 GeneralOperation]: Start isEquivalent. First operand 325 states. Second operand has 201 states, 169 states have (on average 1.301775147928994) internal successors, (220), 200 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:30,925 INFO L74 IsIncluded]: Start isIncluded. First operand 325 states. Second operand has 201 states, 169 states have (on average 1.301775147928994) internal successors, (220), 200 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:30,925 INFO L87 Difference]: Start difference. First operand 325 states. Second operand has 201 states, 169 states have (on average 1.301775147928994) internal successors, (220), 200 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:30,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:30,930 INFO L93 Difference]: Finished difference Result 325 states and 350 transitions. [2022-02-20 23:55:30,930 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 350 transitions. [2022-02-20 23:55:30,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:30,931 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:30,931 INFO L74 IsIncluded]: Start isIncluded. First operand has 201 states, 169 states have (on average 1.301775147928994) internal successors, (220), 200 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 325 states. [2022-02-20 23:55:30,931 INFO L87 Difference]: Start difference. First operand has 201 states, 169 states have (on average 1.301775147928994) internal successors, (220), 200 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 325 states. [2022-02-20 23:55:30,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:30,936 INFO L93 Difference]: Finished difference Result 325 states and 350 transitions. [2022-02-20 23:55:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 350 transitions. [2022-02-20 23:55:30,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:30,937 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:30,937 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:30,937 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:30,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 169 states have (on average 1.301775147928994) internal successors, (220), 200 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:30,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 220 transitions. [2022-02-20 23:55:30,940 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 220 transitions. Word has length 39 [2022-02-20 23:55:30,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:30,940 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 220 transitions. [2022-02-20 23:55:30,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.7096774193548385) internal successors, (115), 32 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:30,940 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 220 transitions. [2022-02-20 23:55:30,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-20 23:55:30,940 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:30,941 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:30,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:31,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-20 23:55:31,155 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:31,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:31,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1519790839, now seen corresponding path program 1 times [2022-02-20 23:55:31,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:31,156 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109974117] [2022-02-20 23:55:31,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:31,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:31,190 INFO L290 TraceCheckUtils]: 0: Hoare triple {14296#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {14296#true} is VALID [2022-02-20 23:55:31,190 INFO L290 TraceCheckUtils]: 1: Hoare triple {14296#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {14296#true} is VALID [2022-02-20 23:55:31,191 INFO L290 TraceCheckUtils]: 2: Hoare triple {14296#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {14296#true} is VALID [2022-02-20 23:55:31,191 INFO L290 TraceCheckUtils]: 3: Hoare triple {14296#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {14296#true} is VALID [2022-02-20 23:55:31,191 INFO L290 TraceCheckUtils]: 4: Hoare triple {14296#true} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {14296#true} is VALID [2022-02-20 23:55:31,191 INFO L290 TraceCheckUtils]: 5: Hoare triple {14296#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {14296#true} is VALID [2022-02-20 23:55:31,191 INFO L290 TraceCheckUtils]: 6: Hoare triple {14296#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {14296#true} is VALID [2022-02-20 23:55:31,191 INFO L290 TraceCheckUtils]: 7: Hoare triple {14296#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {14296#true} is VALID [2022-02-20 23:55:31,191 INFO L290 TraceCheckUtils]: 8: Hoare triple {14296#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {14296#true} is VALID [2022-02-20 23:55:31,191 INFO L290 TraceCheckUtils]: 9: Hoare triple {14296#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {14296#true} is VALID [2022-02-20 23:55:31,192 INFO L290 TraceCheckUtils]: 10: Hoare triple {14296#true} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {14296#true} is VALID [2022-02-20 23:55:31,192 INFO L290 TraceCheckUtils]: 11: Hoare triple {14296#true} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {14296#true} is VALID [2022-02-20 23:55:31,192 INFO L290 TraceCheckUtils]: 12: Hoare triple {14296#true} assume 0 == main_~status~0#1; {14296#true} is VALID [2022-02-20 23:55:31,192 INFO L290 TraceCheckUtils]: 13: Hoare triple {14296#true} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {14296#true} is VALID [2022-02-20 23:55:31,192 INFO L290 TraceCheckUtils]: 14: Hoare triple {14296#true} main_~status~0#1 := 1; {14296#true} is VALID [2022-02-20 23:55:31,192 INFO L290 TraceCheckUtils]: 15: Hoare triple {14296#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {14296#true} is VALID [2022-02-20 23:55:31,192 INFO L290 TraceCheckUtils]: 16: Hoare triple {14296#true} goto; {14296#true} is VALID [2022-02-20 23:55:31,192 INFO L290 TraceCheckUtils]: 17: Hoare triple {14296#true} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {14296#true} is VALID [2022-02-20 23:55:31,192 INFO L290 TraceCheckUtils]: 18: Hoare triple {14296#true} goto; {14296#true} is VALID [2022-02-20 23:55:31,193 INFO L290 TraceCheckUtils]: 19: Hoare triple {14296#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {14296#true} is VALID [2022-02-20 23:55:31,193 INFO L290 TraceCheckUtils]: 20: Hoare triple {14296#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {14296#true} is VALID [2022-02-20 23:55:31,193 INFO L290 TraceCheckUtils]: 21: Hoare triple {14296#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {14296#true} is VALID [2022-02-20 23:55:31,193 INFO L290 TraceCheckUtils]: 22: Hoare triple {14296#true} goto; {14296#true} is VALID [2022-02-20 23:55:31,193 INFO L290 TraceCheckUtils]: 23: Hoare triple {14296#true} assume 1 == main_~status~0#1; {14296#true} is VALID [2022-02-20 23:55:31,193 INFO L290 TraceCheckUtils]: 24: Hoare triple {14296#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {14296#true} is VALID [2022-02-20 23:55:31,193 INFO L290 TraceCheckUtils]: 25: Hoare triple {14296#true} goto; {14296#true} is VALID [2022-02-20 23:55:31,193 INFO L290 TraceCheckUtils]: 26: Hoare triple {14296#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {14296#true} is VALID [2022-02-20 23:55:31,193 INFO L290 TraceCheckUtils]: 27: Hoare triple {14296#true} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {14296#true} is VALID [2022-02-20 23:55:31,193 INFO L290 TraceCheckUtils]: 28: Hoare triple {14296#true} goto; {14296#true} is VALID [2022-02-20 23:55:31,194 INFO L290 TraceCheckUtils]: 29: Hoare triple {14296#true} assume !(2 == main_~status~0#1); {14296#true} is VALID [2022-02-20 23:55:31,194 INFO L290 TraceCheckUtils]: 30: Hoare triple {14296#true} assume !(3 == main_~status~0#1); {14296#true} is VALID [2022-02-20 23:55:31,194 INFO L290 TraceCheckUtils]: 31: Hoare triple {14296#true} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {14296#true} is VALID [2022-02-20 23:55:31,194 INFO L290 TraceCheckUtils]: 32: Hoare triple {14296#true} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {14296#true} is VALID [2022-02-20 23:55:31,194 INFO L290 TraceCheckUtils]: 33: Hoare triple {14296#true} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {14296#true} is VALID [2022-02-20 23:55:31,194 INFO L290 TraceCheckUtils]: 34: Hoare triple {14296#true} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {14296#true} is VALID [2022-02-20 23:55:31,194 INFO L290 TraceCheckUtils]: 35: Hoare triple {14296#true} assume !!main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {14296#true} is VALID [2022-02-20 23:55:31,194 INFO L290 TraceCheckUtils]: 36: Hoare triple {14296#true} main_#t~short23#1 := 0 == main_~status~0#1; {14296#true} is VALID [2022-02-20 23:55:31,195 INFO L290 TraceCheckUtils]: 37: Hoare triple {14296#true} assume main_#t~short23#1; {14298#|ULTIMATE.start_main_#t~short23#1|} is VALID [2022-02-20 23:55:31,195 INFO L290 TraceCheckUtils]: 38: Hoare triple {14298#|ULTIMATE.start_main_#t~short23#1|} assume !main_#t~short23#1;havoc main_#t~mem22#1;havoc main_#t~short23#1; {14297#false} is VALID [2022-02-20 23:55:31,195 INFO L290 TraceCheckUtils]: 39: Hoare triple {14297#false} assume !false; {14297#false} is VALID [2022-02-20 23:55:31,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 23:55:31,195 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:31,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109974117] [2022-02-20 23:55:31,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109974117] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:31,196 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:31,196 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:31,197 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475592952] [2022-02-20 23:55:31,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:31,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-02-20 23:55:31,197 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:31,198 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,220 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:31,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:31,220 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:31,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:31,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:31,221 INFO L87 Difference]: Start difference. First operand 201 states and 220 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:31,328 INFO L93 Difference]: Finished difference Result 202 states and 220 transitions. [2022-02-20 23:55:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:31,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-02-20 23:55:31,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 137 transitions. [2022-02-20 23:55:31,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 137 transitions. [2022-02-20 23:55:31,330 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 137 transitions. [2022-02-20 23:55:31,433 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 137 edges. 137 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:31,435 INFO L225 Difference]: With dead ends: 202 [2022-02-20 23:55:31,435 INFO L226 Difference]: Without dead ends: 202 [2022-02-20 23:55:31,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:31,437 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:31,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 262 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:55:31,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-02-20 23:55:31,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2022-02-20 23:55:31,440 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:31,440 INFO L82 GeneralOperation]: Start isEquivalent. First operand 202 states. Second operand has 202 states, 170 states have (on average 1.2941176470588236) internal successors, (220), 201 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,440 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand has 202 states, 170 states have (on average 1.2941176470588236) internal successors, (220), 201 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,440 INFO L87 Difference]: Start difference. First operand 202 states. Second operand has 202 states, 170 states have (on average 1.2941176470588236) internal successors, (220), 201 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:31,442 INFO L93 Difference]: Finished difference Result 202 states and 220 transitions. [2022-02-20 23:55:31,442 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 220 transitions. [2022-02-20 23:55:31,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:31,443 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:31,443 INFO L74 IsIncluded]: Start isIncluded. First operand has 202 states, 170 states have (on average 1.2941176470588236) internal successors, (220), 201 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 202 states. [2022-02-20 23:55:31,443 INFO L87 Difference]: Start difference. First operand has 202 states, 170 states have (on average 1.2941176470588236) internal successors, (220), 201 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 202 states. [2022-02-20 23:55:31,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:31,445 INFO L93 Difference]: Finished difference Result 202 states and 220 transitions. [2022-02-20 23:55:31,445 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 220 transitions. [2022-02-20 23:55:31,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:31,446 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:31,446 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:31,446 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 170 states have (on average 1.2941176470588236) internal successors, (220), 201 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 220 transitions. [2022-02-20 23:55:31,448 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 220 transitions. Word has length 40 [2022-02-20 23:55:31,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:31,448 INFO L470 AbstractCegarLoop]: Abstraction has 202 states and 220 transitions. [2022-02-20 23:55:31,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 220 transitions. [2022-02-20 23:55:31,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-20 23:55:31,449 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:31,449 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:31,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-20 23:55:31,449 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:31,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:31,449 INFO L85 PathProgramCache]: Analyzing trace with hash 231761564, now seen corresponding path program 1 times [2022-02-20 23:55:31,450 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:31,450 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064219793] [2022-02-20 23:55:31,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:31,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:31,811 INFO L290 TraceCheckUtils]: 0: Hoare triple {15109#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {15109#true} is VALID [2022-02-20 23:55:31,812 INFO L290 TraceCheckUtils]: 1: Hoare triple {15109#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {15111#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:31,815 INFO L290 TraceCheckUtils]: 2: Hoare triple {15111#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {15112#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:31,815 INFO L290 TraceCheckUtils]: 3: Hoare triple {15112#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {15112#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:31,816 INFO L290 TraceCheckUtils]: 4: Hoare triple {15112#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {15113#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:31,816 INFO L290 TraceCheckUtils]: 5: Hoare triple {15113#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15113#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:31,817 INFO L290 TraceCheckUtils]: 6: Hoare triple {15113#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {15114#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:31,818 INFO L290 TraceCheckUtils]: 7: Hoare triple {15114#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {15115#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:31,818 INFO L290 TraceCheckUtils]: 8: Hoare triple {15115#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {15115#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:31,819 INFO L290 TraceCheckUtils]: 9: Hoare triple {15115#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {15116#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:31,819 INFO L290 TraceCheckUtils]: 10: Hoare triple {15116#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {15117#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:31,820 INFO L290 TraceCheckUtils]: 11: Hoare triple {15117#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {15117#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:31,821 INFO L290 TraceCheckUtils]: 12: Hoare triple {15117#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 == main_~status~0#1; {15117#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:31,822 INFO L290 TraceCheckUtils]: 13: Hoare triple {15117#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {15118#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:31,822 INFO L290 TraceCheckUtils]: 14: Hoare triple {15118#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~status~0#1 := 1; {15119#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} is VALID [2022-02-20 23:55:31,823 INFO L290 TraceCheckUtils]: 15: Hoare triple {15119#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15119#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} is VALID [2022-02-20 23:55:31,824 INFO L290 TraceCheckUtils]: 16: Hoare triple {15119#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} goto; {15119#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} is VALID [2022-02-20 23:55:31,824 INFO L290 TraceCheckUtils]: 17: Hoare triple {15119#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,825 INFO L290 TraceCheckUtils]: 18: Hoare triple {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,825 INFO L290 TraceCheckUtils]: 19: Hoare triple {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,826 INFO L290 TraceCheckUtils]: 20: Hoare triple {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,826 INFO L290 TraceCheckUtils]: 21: Hoare triple {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,827 INFO L290 TraceCheckUtils]: 22: Hoare triple {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,827 INFO L290 TraceCheckUtils]: 23: Hoare triple {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 1 == main_~status~0#1; {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,828 INFO L290 TraceCheckUtils]: 24: Hoare triple {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,828 INFO L290 TraceCheckUtils]: 25: Hoare triple {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,829 INFO L290 TraceCheckUtils]: 26: Hoare triple {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,830 INFO L290 TraceCheckUtils]: 27: Hoare triple {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,831 INFO L290 TraceCheckUtils]: 28: Hoare triple {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,831 INFO L290 TraceCheckUtils]: 29: Hoare triple {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(2 == main_~status~0#1); {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,844 INFO L290 TraceCheckUtils]: 30: Hoare triple {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(3 == main_~status~0#1); {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,845 INFO L290 TraceCheckUtils]: 31: Hoare triple {15120#(and (or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {15121#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_#t~mem19#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem19#1.base|) 4) 1)))} is VALID [2022-02-20 23:55:31,845 INFO L290 TraceCheckUtils]: 32: Hoare triple {15121#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_#t~mem19#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem19#1.base|) 4) 1)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {15122#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:31,846 INFO L290 TraceCheckUtils]: 33: Hoare triple {15122#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {15122#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:31,846 INFO L290 TraceCheckUtils]: 34: Hoare triple {15122#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {15122#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:31,846 INFO L290 TraceCheckUtils]: 35: Hoare triple {15122#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} assume !!main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {15122#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:31,847 INFO L290 TraceCheckUtils]: 36: Hoare triple {15122#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} main_#t~short23#1 := 0 == main_~status~0#1; {15123#(or |ULTIMATE.start_main_#t~short23#1| (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:31,847 INFO L290 TraceCheckUtils]: 37: Hoare triple {15123#(or |ULTIMATE.start_main_#t~short23#1| (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} assume !main_#t~short23#1; {15124#(= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:31,848 INFO L290 TraceCheckUtils]: 38: Hoare triple {15124#(= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)) 1)} SUMMARY for call main_#t~mem22#1 := read~int(main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1053-3 {15125#(= (+ (- 1) |ULTIMATE.start_main_#t~mem22#1|) 0)} is VALID [2022-02-20 23:55:31,848 INFO L290 TraceCheckUtils]: 39: Hoare triple {15125#(= (+ (- 1) |ULTIMATE.start_main_#t~mem22#1|) 0)} main_#t~short23#1 := main_#t~mem22#1 > 0; {15126#|ULTIMATE.start_main_#t~short23#1|} is VALID [2022-02-20 23:55:31,848 INFO L290 TraceCheckUtils]: 40: Hoare triple {15126#|ULTIMATE.start_main_#t~short23#1|} assume !main_#t~short23#1;havoc main_#t~mem22#1;havoc main_#t~short23#1; {15110#false} is VALID [2022-02-20 23:55:31,848 INFO L290 TraceCheckUtils]: 41: Hoare triple {15110#false} assume !false; {15110#false} is VALID [2022-02-20 23:55:31,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:31,849 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:31,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064219793] [2022-02-20 23:55:31,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064219793] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:31,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832364200] [2022-02-20 23:55:31,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:31,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:31,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:31,850 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:31,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 23:55:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:31,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 49 conjunts are in the unsatisfiable core [2022-02-20 23:55:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:31,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:31,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:32,042 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:32,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:55:32,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:32,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:32,139 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:32,291 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:32,292 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:55:32,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:32,302 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 23:55:32,517 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:32,517 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 63 [2022-02-20 23:55:32,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-02-20 23:55:32,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-20 23:55:32,627 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-02-20 23:55:34,174 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2022-02-20 23:55:34,217 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:55:34,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:34,749 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:34,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2022-02-20 23:55:34,792 INFO L290 TraceCheckUtils]: 0: Hoare triple {15109#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {15109#true} is VALID [2022-02-20 23:55:34,793 INFO L290 TraceCheckUtils]: 1: Hoare triple {15109#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {15112#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:34,794 INFO L290 TraceCheckUtils]: 2: Hoare triple {15112#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {15112#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:34,794 INFO L290 TraceCheckUtils]: 3: Hoare triple {15112#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {15112#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:34,795 INFO L290 TraceCheckUtils]: 4: Hoare triple {15112#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {15113#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:34,795 INFO L290 TraceCheckUtils]: 5: Hoare triple {15113#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15113#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:34,796 INFO L290 TraceCheckUtils]: 6: Hoare triple {15113#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {15148#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (<= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:34,797 INFO L290 TraceCheckUtils]: 7: Hoare triple {15148#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (<= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {15152#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:34,797 INFO L290 TraceCheckUtils]: 8: Hoare triple {15152#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {15152#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:34,798 INFO L290 TraceCheckUtils]: 9: Hoare triple {15152#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {15159#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,798 INFO L290 TraceCheckUtils]: 10: Hoare triple {15159#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {15163#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,799 INFO L290 TraceCheckUtils]: 11: Hoare triple {15163#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {15167#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,800 INFO L290 TraceCheckUtils]: 12: Hoare triple {15167#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 == main_~status~0#1; {15167#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,801 INFO L290 TraceCheckUtils]: 13: Hoare triple {15167#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,802 INFO L290 TraceCheckUtils]: 14: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~status~0#1 := 1; {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,802 INFO L290 TraceCheckUtils]: 15: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,803 INFO L290 TraceCheckUtils]: 16: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,803 INFO L290 TraceCheckUtils]: 17: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,804 INFO L290 TraceCheckUtils]: 18: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,805 INFO L290 TraceCheckUtils]: 19: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,805 INFO L290 TraceCheckUtils]: 20: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,806 INFO L290 TraceCheckUtils]: 21: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,806 INFO L290 TraceCheckUtils]: 22: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,807 INFO L290 TraceCheckUtils]: 23: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 1 == main_~status~0#1; {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,807 INFO L290 TraceCheckUtils]: 24: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,808 INFO L290 TraceCheckUtils]: 25: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,808 INFO L290 TraceCheckUtils]: 26: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,809 INFO L290 TraceCheckUtils]: 27: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,809 INFO L290 TraceCheckUtils]: 28: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,810 INFO L290 TraceCheckUtils]: 29: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(2 == main_~status~0#1); {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,811 INFO L290 TraceCheckUtils]: 30: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(3 == main_~status~0#1); {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:34,811 INFO L290 TraceCheckUtils]: 31: Hoare triple {15174#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {15229#(and (= |ULTIMATE.start_main_#t~mem19#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_#t~mem19#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))))} is VALID [2022-02-20 23:55:34,812 INFO L290 TraceCheckUtils]: 32: Hoare triple {15229#(and (= |ULTIMATE.start_main_#t~mem19#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (<= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_#t~mem19#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|))))))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {15233#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~item~0#1.offset_47| Int)) (and (<= 0 |v_ULTIMATE.start_main_~item~0#1.offset_47|) (<= |v_ULTIMATE.start_main_~item~0#1.offset_47| 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ |v_ULTIMATE.start_main_~item~0#1.offset_47| 4))))))} is VALID [2022-02-20 23:55:34,813 INFO L290 TraceCheckUtils]: 33: Hoare triple {15233#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~item~0#1.offset_47| Int)) (and (<= 0 |v_ULTIMATE.start_main_~item~0#1.offset_47|) (<= |v_ULTIMATE.start_main_~item~0#1.offset_47| 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ |v_ULTIMATE.start_main_~item~0#1.offset_47| 4))))))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {15233#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~item~0#1.offset_47| Int)) (and (<= 0 |v_ULTIMATE.start_main_~item~0#1.offset_47|) (<= |v_ULTIMATE.start_main_~item~0#1.offset_47| 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ |v_ULTIMATE.start_main_~item~0#1.offset_47| 4))))))} is VALID [2022-02-20 23:55:34,813 INFO L290 TraceCheckUtils]: 34: Hoare triple {15233#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~item~0#1.offset_47| Int)) (and (<= 0 |v_ULTIMATE.start_main_~item~0#1.offset_47|) (<= |v_ULTIMATE.start_main_~item~0#1.offset_47| 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ |v_ULTIMATE.start_main_~item~0#1.offset_47| 4))))))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {15233#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~item~0#1.offset_47| Int)) (and (<= 0 |v_ULTIMATE.start_main_~item~0#1.offset_47|) (<= |v_ULTIMATE.start_main_~item~0#1.offset_47| 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ |v_ULTIMATE.start_main_~item~0#1.offset_47| 4))))))} is VALID [2022-02-20 23:55:34,814 INFO L290 TraceCheckUtils]: 35: Hoare triple {15233#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~item~0#1.offset_47| Int)) (and (<= 0 |v_ULTIMATE.start_main_~item~0#1.offset_47|) (<= |v_ULTIMATE.start_main_~item~0#1.offset_47| 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ |v_ULTIMATE.start_main_~item~0#1.offset_47| 4))))))} assume !!main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {15233#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~item~0#1.offset_47| Int)) (and (<= 0 |v_ULTIMATE.start_main_~item~0#1.offset_47|) (<= |v_ULTIMATE.start_main_~item~0#1.offset_47| 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ |v_ULTIMATE.start_main_~item~0#1.offset_47| 4))))))} is VALID [2022-02-20 23:55:34,814 INFO L290 TraceCheckUtils]: 36: Hoare triple {15233#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~item~0#1.offset_47| Int)) (and (<= 0 |v_ULTIMATE.start_main_~item~0#1.offset_47|) (<= |v_ULTIMATE.start_main_~item~0#1.offset_47| 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ |v_ULTIMATE.start_main_~item~0#1.offset_47| 4))))))} main_#t~short23#1 := 0 == main_~status~0#1; {15233#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~item~0#1.offset_47| Int)) (and (<= 0 |v_ULTIMATE.start_main_~item~0#1.offset_47|) (<= |v_ULTIMATE.start_main_~item~0#1.offset_47| 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ |v_ULTIMATE.start_main_~item~0#1.offset_47| 4))))))} is VALID [2022-02-20 23:55:34,814 INFO L290 TraceCheckUtils]: 37: Hoare triple {15233#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~item~0#1.offset_47| Int)) (and (<= 0 |v_ULTIMATE.start_main_~item~0#1.offset_47|) (<= |v_ULTIMATE.start_main_~item~0#1.offset_47| 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ |v_ULTIMATE.start_main_~item~0#1.offset_47| 4))))))} assume !main_#t~short23#1; {15233#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~item~0#1.offset_47| Int)) (and (<= 0 |v_ULTIMATE.start_main_~item~0#1.offset_47|) (<= |v_ULTIMATE.start_main_~item~0#1.offset_47| 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ |v_ULTIMATE.start_main_~item~0#1.offset_47| 4))))))} is VALID [2022-02-20 23:55:34,815 INFO L290 TraceCheckUtils]: 38: Hoare triple {15233#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~item~0#1.offset_47| Int)) (and (<= 0 |v_ULTIMATE.start_main_~item~0#1.offset_47|) (<= |v_ULTIMATE.start_main_~item~0#1.offset_47| 0) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ |v_ULTIMATE.start_main_~item~0#1.offset_47| 4))))))} SUMMARY for call main_#t~mem22#1 := read~int(main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1053-3 {15252#(<= 1 |ULTIMATE.start_main_#t~mem22#1|)} is VALID [2022-02-20 23:55:34,816 INFO L290 TraceCheckUtils]: 39: Hoare triple {15252#(<= 1 |ULTIMATE.start_main_#t~mem22#1|)} main_#t~short23#1 := main_#t~mem22#1 > 0; {15126#|ULTIMATE.start_main_#t~short23#1|} is VALID [2022-02-20 23:55:34,816 INFO L290 TraceCheckUtils]: 40: Hoare triple {15126#|ULTIMATE.start_main_#t~short23#1|} assume !main_#t~short23#1;havoc main_#t~mem22#1;havoc main_#t~short23#1; {15110#false} is VALID [2022-02-20 23:55:34,816 INFO L290 TraceCheckUtils]: 41: Hoare triple {15110#false} assume !false; {15110#false} is VALID [2022-02-20 23:55:34,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:34,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:35,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 60 [2022-02-20 23:55:35,464 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:35,464 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-02-20 23:55:35,474 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:35,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 41 [2022-02-20 23:55:35,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2022-02-20 23:55:35,534 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-20 23:55:35,537 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 1 [2022-02-20 23:55:35,546 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:35,546 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-02-20 23:55:35,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:35,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:35,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:35,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-02-20 23:55:35,713 INFO L290 TraceCheckUtils]: 41: Hoare triple {15110#false} assume !false; {15110#false} is VALID [2022-02-20 23:55:35,714 INFO L290 TraceCheckUtils]: 40: Hoare triple {15126#|ULTIMATE.start_main_#t~short23#1|} assume !main_#t~short23#1;havoc main_#t~mem22#1;havoc main_#t~short23#1; {15110#false} is VALID [2022-02-20 23:55:35,714 INFO L290 TraceCheckUtils]: 39: Hoare triple {15252#(<= 1 |ULTIMATE.start_main_#t~mem22#1|)} main_#t~short23#1 := main_#t~mem22#1 > 0; {15126#|ULTIMATE.start_main_#t~short23#1|} is VALID [2022-02-20 23:55:35,714 INFO L290 TraceCheckUtils]: 38: Hoare triple {15271#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)))} SUMMARY for call main_#t~mem22#1 := read~int(main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1053-3 {15252#(<= 1 |ULTIMATE.start_main_#t~mem22#1|)} is VALID [2022-02-20 23:55:35,715 INFO L290 TraceCheckUtils]: 37: Hoare triple {15271#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)))} assume !main_#t~short23#1; {15271#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:55:35,715 INFO L290 TraceCheckUtils]: 36: Hoare triple {15271#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)))} main_#t~short23#1 := 0 == main_~status~0#1; {15271#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:55:35,715 INFO L290 TraceCheckUtils]: 35: Hoare triple {15271#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)))} assume !!main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {15271#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:55:35,716 INFO L290 TraceCheckUtils]: 34: Hoare triple {15271#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {15271#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:55:35,716 INFO L290 TraceCheckUtils]: 33: Hoare triple {15271#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {15271#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:55:35,716 INFO L290 TraceCheckUtils]: 32: Hoare triple {15290#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_#t~mem19#1.base|) (+ |ULTIMATE.start_main_#t~mem19#1.offset| 4)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {15271#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 4 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:55:35,717 INFO L290 TraceCheckUtils]: 31: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {15290#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_#t~mem19#1.base|) (+ |ULTIMATE.start_main_#t~mem19#1.offset| 4)))} is VALID [2022-02-20 23:55:35,717 INFO L290 TraceCheckUtils]: 30: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} assume !(3 == main_~status~0#1); {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,718 INFO L290 TraceCheckUtils]: 29: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} assume !(2 == main_~status~0#1); {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,718 INFO L290 TraceCheckUtils]: 28: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} goto; {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,718 INFO L290 TraceCheckUtils]: 27: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,719 INFO L290 TraceCheckUtils]: 26: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,719 INFO L290 TraceCheckUtils]: 25: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} goto; {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,720 INFO L290 TraceCheckUtils]: 24: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,720 INFO L290 TraceCheckUtils]: 23: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} assume 1 == main_~status~0#1; {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,720 INFO L290 TraceCheckUtils]: 22: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} goto; {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,721 INFO L290 TraceCheckUtils]: 21: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,721 INFO L290 TraceCheckUtils]: 20: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,721 INFO L290 TraceCheckUtils]: 19: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,722 INFO L290 TraceCheckUtils]: 18: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} goto; {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,722 INFO L290 TraceCheckUtils]: 17: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,722 INFO L290 TraceCheckUtils]: 16: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} goto; {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,723 INFO L290 TraceCheckUtils]: 15: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,723 INFO L290 TraceCheckUtils]: 14: Hoare triple {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} main_~status~0#1 := 1; {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,724 INFO L290 TraceCheckUtils]: 13: Hoare triple {15349#(or (and (forall ((v_ArrVal_602 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|)) (forall ((v_ArrVal_604 (Array Int Int))) (= |ULTIMATE.start_main_~item~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_604) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (not (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|))))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {15294#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))} is VALID [2022-02-20 23:55:35,725 INFO L290 TraceCheckUtils]: 12: Hoare triple {15349#(or (and (forall ((v_ArrVal_602 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|)) (forall ((v_ArrVal_604 (Array Int Int))) (= |ULTIMATE.start_main_~item~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_604) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (not (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|))))} assume 0 == main_~status~0#1; {15349#(or (and (forall ((v_ArrVal_602 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|)) (forall ((v_ArrVal_604 (Array Int Int))) (= |ULTIMATE.start_main_~item~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_604) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (not (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|))))} is VALID [2022-02-20 23:55:35,728 WARN L290 TraceCheckUtils]: 11: Hoare triple {15356#(and (or (forall ((v_ArrVal_602 (Array Int Int))) (<= (select |#length| |ULTIMATE.start_main_~item~0#1.base|) (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (< (select |#length| |ULTIMATE.start_main_~item~0#1.base|) 8)) (or (forall ((v_ArrVal_602 (Array Int Int))) (<= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (< (select |#length| |ULTIMATE.start_main_~item~0#1.base|) 8)) (or (< (select |#length| |ULTIMATE.start_main_~item~0#1.base|) 8) (forall ((v_ArrVal_604 (Array Int Int))) (= |ULTIMATE.start_main_~item~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_604) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {15349#(or (and (forall ((v_ArrVal_602 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|)) (forall ((v_ArrVal_604 (Array Int Int))) (= |ULTIMATE.start_main_~item~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_604) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (not (<= (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|))))} is UNKNOWN [2022-02-20 23:55:35,729 INFO L290 TraceCheckUtils]: 10: Hoare triple {15360#(and (or (forall ((v_ArrVal_602 (Array Int Int))) (<= (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|) (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (< (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|) 8)) (or (< (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|) 8) (forall ((v_ArrVal_602 (Array Int Int))) (<= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (or (forall ((v_ArrVal_604 (Array Int Int))) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_604) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (< (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|) 8)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {15356#(and (or (forall ((v_ArrVal_602 (Array Int Int))) (<= (select |#length| |ULTIMATE.start_main_~item~0#1.base|) (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (< (select |#length| |ULTIMATE.start_main_~item~0#1.base|) 8)) (or (forall ((v_ArrVal_602 (Array Int Int))) (<= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (< (select |#length| |ULTIMATE.start_main_~item~0#1.base|) 8)) (or (< (select |#length| |ULTIMATE.start_main_~item~0#1.base|) 8) (forall ((v_ArrVal_604 (Array Int Int))) (= |ULTIMATE.start_main_~item~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_604) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:55:35,730 INFO L290 TraceCheckUtils]: 9: Hoare triple {15364#(and (or (forall ((v_ArrVal_604 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_604) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (< (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8)) (or (forall ((v_ArrVal_602 (Array Int Int))) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (< (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8)) (or (forall ((v_ArrVal_602 (Array Int Int))) (<= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (< (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8)))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {15360#(and (or (forall ((v_ArrVal_602 (Array Int Int))) (<= (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|) (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (< (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|) 8)) (or (< (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|) 8) (forall ((v_ArrVal_602 (Array Int Int))) (<= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (or (forall ((v_ArrVal_604 (Array Int Int))) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_604) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (< (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|) 8)))} is VALID [2022-02-20 23:55:35,731 INFO L290 TraceCheckUtils]: 8: Hoare triple {15364#(and (or (forall ((v_ArrVal_604 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_604) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (< (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8)) (or (forall ((v_ArrVal_602 (Array Int Int))) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (< (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8)) (or (forall ((v_ArrVal_602 (Array Int Int))) (<= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (< (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8)))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {15364#(and (or (forall ((v_ArrVal_604 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_604) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (< (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8)) (or (forall ((v_ArrVal_602 (Array Int Int))) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (< (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8)) (or (forall ((v_ArrVal_602 (Array Int Int))) (<= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (< (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8)))} is VALID [2022-02-20 23:55:35,732 INFO L290 TraceCheckUtils]: 7: Hoare triple {15371#(and (or (<= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (< (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8)) (or (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 8)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (< (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {15364#(and (or (forall ((v_ArrVal_604 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_604) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (< (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8)) (or (forall ((v_ArrVal_602 (Array Int Int))) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (< (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8)) (or (forall ((v_ArrVal_602 (Array Int Int))) (<= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_602) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (< (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 8)))} is VALID [2022-02-20 23:55:35,733 INFO L290 TraceCheckUtils]: 6: Hoare triple {15375#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_16| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_16|) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_16| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {15371#(and (or (<= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (< (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8)) (or (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 8)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (< (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8)))} is VALID [2022-02-20 23:55:35,733 INFO L290 TraceCheckUtils]: 5: Hoare triple {15375#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_16| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_16|) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_16| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15375#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_16| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_16|) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_16| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:55:35,734 INFO L290 TraceCheckUtils]: 4: Hoare triple {15382#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {15375#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_16| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_16|) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_16| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:55:35,734 INFO L290 TraceCheckUtils]: 3: Hoare triple {15382#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {15382#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:35,734 INFO L290 TraceCheckUtils]: 2: Hoare triple {15382#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {15382#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:35,735 INFO L290 TraceCheckUtils]: 1: Hoare triple {15109#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {15382#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:35,735 INFO L290 TraceCheckUtils]: 0: Hoare triple {15109#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {15109#true} is VALID [2022-02-20 23:55:35,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:35,736 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832364200] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:35,736 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:35,736 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 14] total 37 [2022-02-20 23:55:35,736 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756400727] [2022-02-20 23:55:35,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:35,737 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-02-20 23:55:35,737 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:35,738 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:35,837 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 115 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:35,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-02-20 23:55:35,837 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:35,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-02-20 23:55:35,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1213, Unknown=0, NotChecked=0, Total=1332 [2022-02-20 23:55:35,838 INFO L87 Difference]: Start difference. First operand 202 states and 220 transitions. Second operand has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:38,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:38,785 INFO L93 Difference]: Finished difference Result 305 states and 326 transitions. [2022-02-20 23:55:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-20 23:55:38,785 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-02-20 23:55:38,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:38,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:38,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 293 transitions. [2022-02-20 23:55:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 293 transitions. [2022-02-20 23:55:38,787 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 293 transitions. [2022-02-20 23:55:38,976 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 293 edges. 293 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:38,980 INFO L225 Difference]: With dead ends: 305 [2022-02-20 23:55:38,980 INFO L226 Difference]: Without dead ends: 305 [2022-02-20 23:55:38,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 65 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=373, Invalid=2707, Unknown=0, NotChecked=0, Total=3080 [2022-02-20 23:55:38,981 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 288 mSDsluCounter, 2171 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 2289 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 520 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:38,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 2289 Invalid, 1257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 683 Invalid, 0 Unknown, 520 Unchecked, 0.6s Time] [2022-02-20 23:55:38,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-02-20 23:55:38,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 201. [2022-02-20 23:55:38,985 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:38,985 INFO L82 GeneralOperation]: Start isEquivalent. First operand 305 states. Second operand has 201 states, 169 states have (on average 1.2899408284023668) internal successors, (218), 200 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:38,985 INFO L74 IsIncluded]: Start isIncluded. First operand 305 states. Second operand has 201 states, 169 states have (on average 1.2899408284023668) internal successors, (218), 200 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:38,985 INFO L87 Difference]: Start difference. First operand 305 states. Second operand has 201 states, 169 states have (on average 1.2899408284023668) internal successors, (218), 200 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:38,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:38,989 INFO L93 Difference]: Finished difference Result 305 states and 326 transitions. [2022-02-20 23:55:38,989 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 326 transitions. [2022-02-20 23:55:38,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:38,989 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:38,990 INFO L74 IsIncluded]: Start isIncluded. First operand has 201 states, 169 states have (on average 1.2899408284023668) internal successors, (218), 200 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 305 states. [2022-02-20 23:55:38,990 INFO L87 Difference]: Start difference. First operand has 201 states, 169 states have (on average 1.2899408284023668) internal successors, (218), 200 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 305 states. [2022-02-20 23:55:38,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:38,993 INFO L93 Difference]: Finished difference Result 305 states and 326 transitions. [2022-02-20 23:55:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 326 transitions. [2022-02-20 23:55:38,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:38,994 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:38,994 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:38,994 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:38,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 169 states have (on average 1.2899408284023668) internal successors, (218), 200 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:38,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 218 transitions. [2022-02-20 23:55:38,999 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 218 transitions. Word has length 42 [2022-02-20 23:55:38,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:38,999 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 218 transitions. [2022-02-20 23:55:38,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:39,000 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 218 transitions. [2022-02-20 23:55:39,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-20 23:55:39,000 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:39,000 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:39,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:39,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:39,211 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr64REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:39,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:39,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1588995560, now seen corresponding path program 1 times [2022-02-20 23:55:39,212 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:39,212 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418967425] [2022-02-20 23:55:39,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:39,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:39,378 INFO L290 TraceCheckUtils]: 0: Hoare triple {16550#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {16550#true} is VALID [2022-02-20 23:55:39,379 INFO L290 TraceCheckUtils]: 1: Hoare triple {16550#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {16550#true} is VALID [2022-02-20 23:55:39,379 INFO L290 TraceCheckUtils]: 2: Hoare triple {16550#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:39,379 INFO L290 TraceCheckUtils]: 3: Hoare triple {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:39,380 INFO L290 TraceCheckUtils]: 4: Hoare triple {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {16553#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:39,380 INFO L290 TraceCheckUtils]: 5: Hoare triple {16553#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16553#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:39,381 INFO L290 TraceCheckUtils]: 6: Hoare triple {16553#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {16554#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:39,381 INFO L290 TraceCheckUtils]: 7: Hoare triple {16554#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {16555#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:39,382 INFO L290 TraceCheckUtils]: 8: Hoare triple {16555#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {16555#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:39,382 INFO L290 TraceCheckUtils]: 9: Hoare triple {16555#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {16556#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:39,383 INFO L290 TraceCheckUtils]: 10: Hoare triple {16556#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {16557#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:39,383 INFO L290 TraceCheckUtils]: 11: Hoare triple {16557#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {16558#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:39,384 INFO L290 TraceCheckUtils]: 12: Hoare triple {16558#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume 0 == main_~status~0#1; {16558#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:39,385 INFO L290 TraceCheckUtils]: 13: Hoare triple {16558#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {16558#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:39,385 INFO L290 TraceCheckUtils]: 14: Hoare triple {16558#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} main_~status~0#1 := 1; {16558#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:39,385 INFO L290 TraceCheckUtils]: 15: Hoare triple {16558#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {16558#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:39,386 INFO L290 TraceCheckUtils]: 16: Hoare triple {16558#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} goto; {16558#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:39,386 INFO L290 TraceCheckUtils]: 17: Hoare triple {16558#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,387 INFO L290 TraceCheckUtils]: 18: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,387 INFO L290 TraceCheckUtils]: 19: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,388 INFO L290 TraceCheckUtils]: 20: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,388 INFO L290 TraceCheckUtils]: 21: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,388 INFO L290 TraceCheckUtils]: 22: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,389 INFO L290 TraceCheckUtils]: 23: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 1 == main_~status~0#1; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,389 INFO L290 TraceCheckUtils]: 24: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,390 INFO L290 TraceCheckUtils]: 25: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,391 INFO L290 TraceCheckUtils]: 26: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,391 INFO L290 TraceCheckUtils]: 27: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,392 INFO L290 TraceCheckUtils]: 28: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,392 INFO L290 TraceCheckUtils]: 29: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(2 == main_~status~0#1); {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,392 INFO L290 TraceCheckUtils]: 30: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(3 == main_~status~0#1); {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,393 INFO L290 TraceCheckUtils]: 31: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,393 INFO L290 TraceCheckUtils]: 32: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,394 INFO L290 TraceCheckUtils]: 33: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,394 INFO L290 TraceCheckUtils]: 34: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,395 INFO L290 TraceCheckUtils]: 35: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,395 INFO L290 TraceCheckUtils]: 36: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16560#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:39,396 INFO L290 TraceCheckUtils]: 37: Hoare triple {16560#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {16561#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem25#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem25#1.base|) 1))} is VALID [2022-02-20 23:55:39,396 INFO L290 TraceCheckUtils]: 38: Hoare triple {16561#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem25#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem25#1.base|) 1))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {16562#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:39,396 INFO L290 TraceCheckUtils]: 39: Hoare triple {16562#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 == main_~item~0#1.offset; {16562#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:39,397 INFO L290 TraceCheckUtils]: 40: Hoare triple {16562#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume main_~item~0#1.base < #StackHeapBarrier; {16562#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:39,397 INFO L290 TraceCheckUtils]: 41: Hoare triple {16562#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:39,398 INFO L290 TraceCheckUtils]: 42: Hoare triple {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:39,398 INFO L290 TraceCheckUtils]: 43: Hoare triple {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(1 == #valid[main_~head~0#1.base]); {16551#false} is VALID [2022-02-20 23:55:39,398 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:39,398 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:39,398 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418967425] [2022-02-20 23:55:39,399 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418967425] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:39,399 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507887940] [2022-02-20 23:55:39,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:39,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:39,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:39,408 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:39,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 23:55:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:39,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-20 23:55:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:39,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:39,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:39,603 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 23:55:39,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 23:55:39,666 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:39,807 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:39,807 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:55:39,847 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:39,848 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29 [2022-02-20 23:55:40,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-02-20 23:55:40,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-02-20 23:55:40,317 INFO L290 TraceCheckUtils]: 0: Hoare triple {16550#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {16550#true} is VALID [2022-02-20 23:55:40,318 INFO L290 TraceCheckUtils]: 1: Hoare triple {16550#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {16569#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:40,319 INFO L290 TraceCheckUtils]: 2: Hoare triple {16569#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {16569#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:40,319 INFO L290 TraceCheckUtils]: 3: Hoare triple {16569#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {16569#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:40,320 INFO L290 TraceCheckUtils]: 4: Hoare triple {16569#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {16579#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:40,320 INFO L290 TraceCheckUtils]: 5: Hoare triple {16579#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16579#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:40,321 INFO L290 TraceCheckUtils]: 6: Hoare triple {16579#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {16586#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:40,321 INFO L290 TraceCheckUtils]: 7: Hoare triple {16586#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {16590#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:40,322 INFO L290 TraceCheckUtils]: 8: Hoare triple {16590#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {16590#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:40,322 INFO L290 TraceCheckUtils]: 9: Hoare triple {16590#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {16597#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,323 INFO L290 TraceCheckUtils]: 10: Hoare triple {16597#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {16601#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,324 INFO L290 TraceCheckUtils]: 11: Hoare triple {16601#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {16601#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,324 INFO L290 TraceCheckUtils]: 12: Hoare triple {16601#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 0 == main_~status~0#1; {16601#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,325 INFO L290 TraceCheckUtils]: 13: Hoare triple {16601#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,325 INFO L290 TraceCheckUtils]: 14: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~status~0#1 := 1; {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,325 INFO L290 TraceCheckUtils]: 15: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,326 INFO L290 TraceCheckUtils]: 16: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,326 INFO L290 TraceCheckUtils]: 17: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,327 INFO L290 TraceCheckUtils]: 18: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,327 INFO L290 TraceCheckUtils]: 19: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,327 INFO L290 TraceCheckUtils]: 20: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,328 INFO L290 TraceCheckUtils]: 21: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,328 INFO L290 TraceCheckUtils]: 22: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,328 INFO L290 TraceCheckUtils]: 23: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 1 == main_~status~0#1; {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,329 INFO L290 TraceCheckUtils]: 24: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,329 INFO L290 TraceCheckUtils]: 25: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,330 INFO L290 TraceCheckUtils]: 26: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,330 INFO L290 TraceCheckUtils]: 27: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,330 INFO L290 TraceCheckUtils]: 28: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,331 INFO L290 TraceCheckUtils]: 29: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(2 == main_~status~0#1); {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,331 INFO L290 TraceCheckUtils]: 30: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(3 == main_~status~0#1); {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,332 INFO L290 TraceCheckUtils]: 31: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,332 INFO L290 TraceCheckUtils]: 32: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,332 INFO L290 TraceCheckUtils]: 33: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,333 INFO L290 TraceCheckUtils]: 34: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,333 INFO L290 TraceCheckUtils]: 35: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,334 INFO L290 TraceCheckUtils]: 36: Hoare triple {16611#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16681#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,334 INFO L290 TraceCheckUtils]: 37: Hoare triple {16681#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {16685#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem25#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem25#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:40,335 INFO L290 TraceCheckUtils]: 38: Hoare triple {16685#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem25#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem25#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {16689#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:40,335 INFO L290 TraceCheckUtils]: 39: Hoare triple {16689#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume 0 == main_~item~0#1.offset; {16689#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:40,336 INFO L290 TraceCheckUtils]: 40: Hoare triple {16689#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume main_~item~0#1.base < #StackHeapBarrier; {16689#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:40,336 INFO L290 TraceCheckUtils]: 41: Hoare triple {16689#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:40,336 INFO L290 TraceCheckUtils]: 42: Hoare triple {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:40,336 INFO L290 TraceCheckUtils]: 43: Hoare triple {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(1 == #valid[main_~head~0#1.base]); {16551#false} is VALID [2022-02-20 23:55:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:40,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:40,592 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_681) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~head~0#1.base|))) (forall ((v_ArrVal_681 (Array Int Int))) (= 1 (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_681) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) is different from false [2022-02-20 23:55:40,616 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_681 (Array Int Int))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_681) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 1)) (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_681) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~head~0#1.base|)))) is different from false [2022-02-20 23:55:40,627 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_681) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~head~0#1.base|))) (forall ((v_ArrVal_681 (Array Int Int))) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_681) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 1))) is different from false [2022-02-20 23:55:40,644 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:40,645 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 20 [2022-02-20 23:55:40,650 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:40,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2022-02-20 23:55:40,653 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-02-20 23:55:40,683 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:40,683 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2022-02-20 23:55:40,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:40,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:40,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:40,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2022-02-20 23:55:40,805 INFO L290 TraceCheckUtils]: 43: Hoare triple {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(1 == #valid[main_~head~0#1.base]); {16551#false} is VALID [2022-02-20 23:55:40,805 INFO L290 TraceCheckUtils]: 42: Hoare triple {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:40,806 INFO L290 TraceCheckUtils]: 41: Hoare triple {16562#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {16552#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:40,828 INFO L290 TraceCheckUtils]: 40: Hoare triple {16562#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume main_~item~0#1.base < #StackHeapBarrier; {16562#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:40,828 INFO L290 TraceCheckUtils]: 39: Hoare triple {16562#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 == main_~item~0#1.offset; {16562#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:40,829 INFO L290 TraceCheckUtils]: 38: Hoare triple {16561#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem25#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem25#1.base|) 1))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {16562#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:40,829 INFO L290 TraceCheckUtils]: 37: Hoare triple {16560#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {16561#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem25#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem25#1.base|) 1))} is VALID [2022-02-20 23:55:40,830 INFO L290 TraceCheckUtils]: 36: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16560#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,830 INFO L290 TraceCheckUtils]: 35: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,830 INFO L290 TraceCheckUtils]: 34: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,831 INFO L290 TraceCheckUtils]: 33: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,831 INFO L290 TraceCheckUtils]: 32: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,832 INFO L290 TraceCheckUtils]: 31: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,832 INFO L290 TraceCheckUtils]: 30: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(3 == main_~status~0#1); {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,832 INFO L290 TraceCheckUtils]: 29: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(2 == main_~status~0#1); {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,833 INFO L290 TraceCheckUtils]: 28: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,833 INFO L290 TraceCheckUtils]: 27: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,834 INFO L290 TraceCheckUtils]: 26: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,834 INFO L290 TraceCheckUtils]: 25: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,834 INFO L290 TraceCheckUtils]: 24: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,835 INFO L290 TraceCheckUtils]: 23: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 1 == main_~status~0#1; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,835 INFO L290 TraceCheckUtils]: 22: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,835 INFO L290 TraceCheckUtils]: 21: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,836 INFO L290 TraceCheckUtils]: 20: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,836 INFO L290 TraceCheckUtils]: 19: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,836 INFO L290 TraceCheckUtils]: 18: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,837 INFO L290 TraceCheckUtils]: 17: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,837 INFO L290 TraceCheckUtils]: 16: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,837 INFO L290 TraceCheckUtils]: 15: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,838 INFO L290 TraceCheckUtils]: 14: Hoare triple {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~status~0#1 := 1; {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,839 INFO L290 TraceCheckUtils]: 13: Hoare triple {16795#(and (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))) (forall ((v_ArrVal_681 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {16559#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:40,840 INFO L290 TraceCheckUtils]: 12: Hoare triple {16795#(and (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))) (forall ((v_ArrVal_681 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)))} assume 0 == main_~status~0#1; {16795#(and (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))) (forall ((v_ArrVal_681 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)))} is VALID [2022-02-20 23:55:40,843 WARN L290 TraceCheckUtils]: 11: Hoare triple {16795#(and (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))) (forall ((v_ArrVal_681 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {16795#(and (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))) (forall ((v_ArrVal_681 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)))} is UNKNOWN [2022-02-20 23:55:40,843 INFO L290 TraceCheckUtils]: 10: Hoare triple {16805#(and (forall ((v_ArrVal_681 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)) (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {16795#(and (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))) (forall ((v_ArrVal_681 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)))} is VALID [2022-02-20 23:55:40,844 INFO L290 TraceCheckUtils]: 9: Hoare triple {16809#(and (forall ((v_ArrVal_681 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)) (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {16805#(and (forall ((v_ArrVal_681 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)) (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:55:40,844 INFO L290 TraceCheckUtils]: 8: Hoare triple {16809#(and (forall ((v_ArrVal_681 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)) (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {16809#(and (forall ((v_ArrVal_681 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)) (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:55:40,845 INFO L290 TraceCheckUtils]: 7: Hoare triple {16816#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {16809#(and (forall ((v_ArrVal_681 (Array Int Int))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)) (forall ((v_ArrVal_681 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_681) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:55:40,846 INFO L290 TraceCheckUtils]: 6: Hoare triple {16820#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_19| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_19| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_19|) 0))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {16816#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:40,847 INFO L290 TraceCheckUtils]: 5: Hoare triple {16820#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_19| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_19| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_19|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16820#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_19| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_19| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_19|) 0))))} is VALID [2022-02-20 23:55:40,847 INFO L290 TraceCheckUtils]: 4: Hoare triple {16827#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {16820#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_19| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_19| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_19|) 0))))} is VALID [2022-02-20 23:55:40,847 INFO L290 TraceCheckUtils]: 3: Hoare triple {16827#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {16827#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:40,848 INFO L290 TraceCheckUtils]: 2: Hoare triple {16827#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {16827#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:40,848 INFO L290 TraceCheckUtils]: 1: Hoare triple {16550#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {16827#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:40,848 INFO L290 TraceCheckUtils]: 0: Hoare triple {16550#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {16550#true} is VALID [2022-02-20 23:55:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:40,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507887940] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:40,849 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:40,849 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2022-02-20 23:55:40,849 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379264736] [2022-02-20 23:55:40,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:40,850 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.642857142857143) internal successors, (102), 29 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-02-20 23:55:40,850 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:40,850 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 29 states, 28 states have (on average 3.642857142857143) internal successors, (102), 29 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:40,924 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 101 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:40,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-20 23:55:40,924 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:40,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-20 23:55:40,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=539, Unknown=3, NotChecked=150, Total=812 [2022-02-20 23:55:40,925 INFO L87 Difference]: Start difference. First operand 201 states and 218 transitions. Second operand has 29 states, 28 states have (on average 3.642857142857143) internal successors, (102), 29 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:42,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:42,586 INFO L93 Difference]: Finished difference Result 247 states and 268 transitions. [2022-02-20 23:55:42,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-20 23:55:42,586 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.642857142857143) internal successors, (102), 29 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-02-20 23:55:42,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:42,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 3.642857142857143) internal successors, (102), 29 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:42,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 205 transitions. [2022-02-20 23:55:42,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 3.642857142857143) internal successors, (102), 29 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:42,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 205 transitions. [2022-02-20 23:55:42,588 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 205 transitions. [2022-02-20 23:55:42,729 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 205 edges. 205 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:42,732 INFO L225 Difference]: With dead ends: 247 [2022-02-20 23:55:42,732 INFO L226 Difference]: Without dead ends: 247 [2022-02-20 23:55:42,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 72 SyntacticMatches, 4 SemanticMatches, 32 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=753, Unknown=3, NotChecked=180, Total=1122 [2022-02-20 23:55:42,733 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 438 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 677 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:42,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 1005 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 757 Invalid, 0 Unknown, 677 Unchecked, 0.5s Time] [2022-02-20 23:55:42,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-02-20 23:55:42,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 224. [2022-02-20 23:55:42,735 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:42,735 INFO L82 GeneralOperation]: Start isEquivalent. First operand 247 states. Second operand has 224 states, 192 states have (on average 1.3125) internal successors, (252), 223 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:42,736 INFO L74 IsIncluded]: Start isIncluded. First operand 247 states. Second operand has 224 states, 192 states have (on average 1.3125) internal successors, (252), 223 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:42,736 INFO L87 Difference]: Start difference. First operand 247 states. Second operand has 224 states, 192 states have (on average 1.3125) internal successors, (252), 223 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:42,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:42,739 INFO L93 Difference]: Finished difference Result 247 states and 268 transitions. [2022-02-20 23:55:42,739 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 268 transitions. [2022-02-20 23:55:42,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:42,739 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:42,739 INFO L74 IsIncluded]: Start isIncluded. First operand has 224 states, 192 states have (on average 1.3125) internal successors, (252), 223 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 247 states. [2022-02-20 23:55:42,739 INFO L87 Difference]: Start difference. First operand has 224 states, 192 states have (on average 1.3125) internal successors, (252), 223 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 247 states. [2022-02-20 23:55:42,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:42,742 INFO L93 Difference]: Finished difference Result 247 states and 268 transitions. [2022-02-20 23:55:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 268 transitions. [2022-02-20 23:55:42,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:42,742 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:42,742 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:42,743 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:42,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 192 states have (on average 1.3125) internal successors, (252), 223 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:42,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 252 transitions. [2022-02-20 23:55:42,745 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 252 transitions. Word has length 44 [2022-02-20 23:55:42,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:42,745 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 252 transitions. [2022-02-20 23:55:42,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.642857142857143) internal successors, (102), 29 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:42,745 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 252 transitions. [2022-02-20 23:55:42,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-20 23:55:42,746 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:42,746 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:42,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:42,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:42,955 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr65REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:42,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:42,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1588995559, now seen corresponding path program 1 times [2022-02-20 23:55:42,956 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:42,956 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909679441] [2022-02-20 23:55:42,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:42,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:43,120 INFO L290 TraceCheckUtils]: 0: Hoare triple {17817#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {17817#true} is VALID [2022-02-20 23:55:43,120 INFO L290 TraceCheckUtils]: 1: Hoare triple {17817#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {17817#true} is VALID [2022-02-20 23:55:43,120 INFO L290 TraceCheckUtils]: 2: Hoare triple {17817#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {17819#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:43,121 INFO L290 TraceCheckUtils]: 3: Hoare triple {17819#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {17819#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:43,121 INFO L290 TraceCheckUtils]: 4: Hoare triple {17819#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {17820#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:43,121 INFO L290 TraceCheckUtils]: 5: Hoare triple {17820#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17820#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:43,122 INFO L290 TraceCheckUtils]: 6: Hoare triple {17820#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {17821#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:43,123 INFO L290 TraceCheckUtils]: 7: Hoare triple {17821#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {17822#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:43,123 INFO L290 TraceCheckUtils]: 8: Hoare triple {17822#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {17822#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:43,124 INFO L290 TraceCheckUtils]: 9: Hoare triple {17822#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {17823#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,124 INFO L290 TraceCheckUtils]: 10: Hoare triple {17823#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {17824#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,125 INFO L290 TraceCheckUtils]: 11: Hoare triple {17824#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {17824#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,125 INFO L290 TraceCheckUtils]: 12: Hoare triple {17824#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 == main_~status~0#1; {17824#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,126 INFO L290 TraceCheckUtils]: 13: Hoare triple {17824#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,126 INFO L290 TraceCheckUtils]: 14: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~status~0#1 := 1; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,127 INFO L290 TraceCheckUtils]: 15: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,127 INFO L290 TraceCheckUtils]: 16: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,128 INFO L290 TraceCheckUtils]: 17: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,128 INFO L290 TraceCheckUtils]: 18: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,128 INFO L290 TraceCheckUtils]: 19: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,129 INFO L290 TraceCheckUtils]: 20: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,129 INFO L290 TraceCheckUtils]: 21: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,129 INFO L290 TraceCheckUtils]: 22: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,130 INFO L290 TraceCheckUtils]: 23: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 1 == main_~status~0#1; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,130 INFO L290 TraceCheckUtils]: 24: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,131 INFO L290 TraceCheckUtils]: 25: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,131 INFO L290 TraceCheckUtils]: 26: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,132 INFO L290 TraceCheckUtils]: 27: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,132 INFO L290 TraceCheckUtils]: 28: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,132 INFO L290 TraceCheckUtils]: 29: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(2 == main_~status~0#1); {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,133 INFO L290 TraceCheckUtils]: 30: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(3 == main_~status~0#1); {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,133 INFO L290 TraceCheckUtils]: 31: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,134 INFO L290 TraceCheckUtils]: 32: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,134 INFO L290 TraceCheckUtils]: 33: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,135 INFO L290 TraceCheckUtils]: 34: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,135 INFO L290 TraceCheckUtils]: 35: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,136 INFO L290 TraceCheckUtils]: 36: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:43,136 INFO L290 TraceCheckUtils]: 37: Hoare triple {17825#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {17826#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem25#1.base|)) (= |ULTIMATE.start_main_#t~mem25#1.offset| 0))} is VALID [2022-02-20 23:55:43,137 INFO L290 TraceCheckUtils]: 38: Hoare triple {17826#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem25#1.base|)) (= |ULTIMATE.start_main_#t~mem25#1.offset| 0))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {17827#(and (= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:43,137 INFO L290 TraceCheckUtils]: 39: Hoare triple {17827#(and (= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 == main_~item~0#1.offset; {17827#(and (= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:43,137 INFO L290 TraceCheckUtils]: 40: Hoare triple {17827#(and (= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume main_~item~0#1.base < #StackHeapBarrier; {17827#(and (= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:43,138 INFO L290 TraceCheckUtils]: 41: Hoare triple {17827#(and (= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {17827#(and (= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:43,138 INFO L290 TraceCheckUtils]: 42: Hoare triple {17827#(and (= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17827#(and (= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:43,139 INFO L290 TraceCheckUtils]: 43: Hoare triple {17827#(and (= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(4 + main_~head~0#1.offset <= #length[main_~head~0#1.base] && 0 <= main_~head~0#1.offset); {17818#false} is VALID [2022-02-20 23:55:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:43,139 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:43,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909679441] [2022-02-20 23:55:43,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909679441] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:43,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230927775] [2022-02-20 23:55:43,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:43,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:43,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:43,141 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:43,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-20 23:55:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:43,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 46 conjunts are in the unsatisfiable core [2022-02-20 23:55:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:43,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:43,281 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:43,384 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:43,399 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:43,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:55:43,452 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:43,467 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:43,602 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:55:43,602 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 23:55:43,606 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-02-20 23:55:43,622 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:43,622 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-02-20 23:55:43,681 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:43,682 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2022-02-20 23:55:43,690 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-20 23:55:44,071 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-02-20 23:55:44,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:55:44,155 INFO L290 TraceCheckUtils]: 0: Hoare triple {17817#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {17817#true} is VALID [2022-02-20 23:55:44,156 INFO L290 TraceCheckUtils]: 1: Hoare triple {17817#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {17834#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,156 INFO L290 TraceCheckUtils]: 2: Hoare triple {17834#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {17834#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,157 INFO L290 TraceCheckUtils]: 3: Hoare triple {17834#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {17834#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:44,157 INFO L290 TraceCheckUtils]: 4: Hoare triple {17834#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {17844#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:44,157 INFO L290 TraceCheckUtils]: 5: Hoare triple {17844#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17844#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:44,158 INFO L290 TraceCheckUtils]: 6: Hoare triple {17844#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {17851#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:44,159 INFO L290 TraceCheckUtils]: 7: Hoare triple {17851#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {17855#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:44,159 INFO L290 TraceCheckUtils]: 8: Hoare triple {17855#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {17855#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:44,163 INFO L290 TraceCheckUtils]: 9: Hoare triple {17855#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {17862#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,164 INFO L290 TraceCheckUtils]: 10: Hoare triple {17862#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {17866#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,165 INFO L290 TraceCheckUtils]: 11: Hoare triple {17866#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {17866#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,165 INFO L290 TraceCheckUtils]: 12: Hoare triple {17866#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 == main_~status~0#1; {17866#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,166 INFO L290 TraceCheckUtils]: 13: Hoare triple {17866#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,167 INFO L290 TraceCheckUtils]: 14: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~status~0#1 := 1; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,167 INFO L290 TraceCheckUtils]: 15: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,167 INFO L290 TraceCheckUtils]: 16: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,168 INFO L290 TraceCheckUtils]: 17: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,168 INFO L290 TraceCheckUtils]: 18: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,169 INFO L290 TraceCheckUtils]: 19: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,169 INFO L290 TraceCheckUtils]: 20: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,169 INFO L290 TraceCheckUtils]: 21: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,170 INFO L290 TraceCheckUtils]: 22: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,170 INFO L290 TraceCheckUtils]: 23: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 1 == main_~status~0#1; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,171 INFO L290 TraceCheckUtils]: 24: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,171 INFO L290 TraceCheckUtils]: 25: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,172 INFO L290 TraceCheckUtils]: 26: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,172 INFO L290 TraceCheckUtils]: 27: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,172 INFO L290 TraceCheckUtils]: 28: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,173 INFO L290 TraceCheckUtils]: 29: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(2 == main_~status~0#1); {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,173 INFO L290 TraceCheckUtils]: 30: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(3 == main_~status~0#1); {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,174 INFO L290 TraceCheckUtils]: 31: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {17931#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_#t~mem19#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,174 INFO L290 TraceCheckUtils]: 32: Hoare triple {17931#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_#t~mem19#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,175 INFO L290 TraceCheckUtils]: 33: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,176 INFO L290 TraceCheckUtils]: 34: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,176 INFO L290 TraceCheckUtils]: 35: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,177 INFO L290 TraceCheckUtils]: 36: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:44,179 INFO L290 TraceCheckUtils]: 37: Hoare triple {17876#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {17950#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem25#1.base|)) (= |ULTIMATE.start_main_#t~mem25#1.offset| 0))} is VALID [2022-02-20 23:55:44,179 INFO L290 TraceCheckUtils]: 38: Hoare triple {17950#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem25#1.base|)) (= |ULTIMATE.start_main_#t~mem25#1.offset| 0))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {17954#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:44,179 INFO L290 TraceCheckUtils]: 39: Hoare triple {17954#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 == main_~item~0#1.offset; {17954#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:44,180 INFO L290 TraceCheckUtils]: 40: Hoare triple {17954#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume main_~item~0#1.base < #StackHeapBarrier; {17954#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:44,182 INFO L290 TraceCheckUtils]: 41: Hoare triple {17954#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {17954#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:44,183 INFO L290 TraceCheckUtils]: 42: Hoare triple {17954#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17954#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:44,183 INFO L290 TraceCheckUtils]: 43: Hoare triple {17954#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(4 + main_~head~0#1.offset <= #length[main_~head~0#1.base] && 0 <= main_~head~0#1.offset); {17818#false} is VALID [2022-02-20 23:55:44,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:44,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:44,520 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (<= (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_761) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 4) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_762) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_761) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) is different from false [2022-02-20 23:55:44,580 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_761) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (<= (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_761) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 4) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_762) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) is different from false [2022-02-20 23:55:44,601 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|))) (<= (+ (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_761) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 4) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_762) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_761) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) is different from false [2022-02-20 23:55:44,641 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:44,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 38 [2022-02-20 23:55:44,646 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:44,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 30 [2022-02-20 23:55:44,656 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:44,657 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 55 [2022-02-20 23:55:44,674 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:44,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 81 [2022-02-20 23:55:44,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2022-02-20 23:55:44,697 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2022-02-20 23:55:44,888 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:44,889 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-02-20 23:55:44,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:44,897 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-02-20 23:55:45,063 INFO L290 TraceCheckUtils]: 43: Hoare triple {17970#(and (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume !(4 + main_~head~0#1.offset <= #length[main_~head~0#1.base] && 0 <= main_~head~0#1.offset); {17818#false} is VALID [2022-02-20 23:55:45,067 INFO L290 TraceCheckUtils]: 42: Hoare triple {17970#(and (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17970#(and (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 23:55:45,068 INFO L290 TraceCheckUtils]: 41: Hoare triple {17970#(and (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {17970#(and (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 23:55:45,069 INFO L290 TraceCheckUtils]: 40: Hoare triple {17970#(and (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume main_~item~0#1.base < #StackHeapBarrier; {17970#(and (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 23:55:45,069 INFO L290 TraceCheckUtils]: 39: Hoare triple {17970#(and (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume 0 == main_~item~0#1.offset; {17970#(and (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 23:55:45,070 INFO L290 TraceCheckUtils]: 38: Hoare triple {17986#(and (<= 0 |ULTIMATE.start_main_#t~mem25#1.offset|) (<= (+ |ULTIMATE.start_main_#t~mem25#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~mem25#1.base|)))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {17970#(and (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 23:55:45,070 INFO L290 TraceCheckUtils]: 37: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {17986#(and (<= 0 |ULTIMATE.start_main_#t~mem25#1.offset|) (<= (+ |ULTIMATE.start_main_#t~mem25#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~mem25#1.base|)))} is VALID [2022-02-20 23:55:45,071 INFO L290 TraceCheckUtils]: 36: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,071 INFO L290 TraceCheckUtils]: 35: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,072 INFO L290 TraceCheckUtils]: 34: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,072 INFO L290 TraceCheckUtils]: 33: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,073 INFO L290 TraceCheckUtils]: 32: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,074 INFO L290 TraceCheckUtils]: 31: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,074 INFO L290 TraceCheckUtils]: 30: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(3 == main_~status~0#1); {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,074 INFO L290 TraceCheckUtils]: 29: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(2 == main_~status~0#1); {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,075 INFO L290 TraceCheckUtils]: 28: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,075 INFO L290 TraceCheckUtils]: 27: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,076 INFO L290 TraceCheckUtils]: 26: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,076 INFO L290 TraceCheckUtils]: 25: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,077 INFO L290 TraceCheckUtils]: 24: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,077 INFO L290 TraceCheckUtils]: 23: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume 1 == main_~status~0#1; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,078 INFO L290 TraceCheckUtils]: 22: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,078 INFO L290 TraceCheckUtils]: 21: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,079 INFO L290 TraceCheckUtils]: 20: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,079 INFO L290 TraceCheckUtils]: 19: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,080 INFO L290 TraceCheckUtils]: 18: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,080 INFO L290 TraceCheckUtils]: 17: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,081 INFO L290 TraceCheckUtils]: 16: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,081 INFO L290 TraceCheckUtils]: 15: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,082 INFO L290 TraceCheckUtils]: 14: Hoare triple {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} main_~status~0#1 := 1; {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,083 INFO L290 TraceCheckUtils]: 13: Hoare triple {18063#(and (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_762) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {17990#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,084 INFO L290 TraceCheckUtils]: 12: Hoare triple {18063#(and (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_762) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} assume 0 == main_~status~0#1; {18063#(and (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_762) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:55:45,088 WARN L290 TraceCheckUtils]: 11: Hoare triple {18063#(and (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_762) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {18063#(and (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_762) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is UNKNOWN [2022-02-20 23:55:45,089 INFO L290 TraceCheckUtils]: 10: Hoare triple {18073#(and (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_762) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {18063#(and (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_762) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:55:45,090 INFO L290 TraceCheckUtils]: 9: Hoare triple {18077#(and (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (<= (+ 4 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_762) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {18073#(and (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_762) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:45,091 INFO L290 TraceCheckUtils]: 8: Hoare triple {18077#(and (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (<= (+ 4 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_762) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {18077#(and (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (<= (+ 4 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_762) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:55:45,092 INFO L290 TraceCheckUtils]: 7: Hoare triple {18084#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (<= (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)) (<= 0 |ULTIMATE.start_main_#t~malloc3#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {18077#(and (forall ((v_ArrVal_761 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_762 (Array Int Int)) (v_ArrVal_761 (Array Int Int))) (<= (+ 4 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_761) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_762) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:55:45,093 INFO L290 TraceCheckUtils]: 6: Hoare triple {18088#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_22| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_22|) 0)) (and (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_22| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {18084#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (<= (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)) (<= 0 |ULTIMATE.start_main_#t~malloc3#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:45,093 INFO L290 TraceCheckUtils]: 5: Hoare triple {18088#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_22| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_22|) 0)) (and (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_22| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {18088#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_22| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_22|) 0)) (and (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_22| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:55:45,094 INFO L290 TraceCheckUtils]: 4: Hoare triple {18095#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {18088#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_22| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_22|) 0)) (and (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_22| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:55:45,094 INFO L290 TraceCheckUtils]: 3: Hoare triple {18095#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {18095#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:45,094 INFO L290 TraceCheckUtils]: 2: Hoare triple {18095#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {18095#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:45,095 INFO L290 TraceCheckUtils]: 1: Hoare triple {17817#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {18095#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:45,095 INFO L290 TraceCheckUtils]: 0: Hoare triple {17817#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {17817#true} is VALID [2022-02-20 23:55:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:45,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230927775] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:45,095 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:45,095 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 10] total 29 [2022-02-20 23:55:45,096 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63347992] [2022-02-20 23:55:45,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:45,096 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 4.482758620689655) internal successors, (130), 30 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-02-20 23:55:45,096 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:45,096 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 30 states, 29 states have (on average 4.482758620689655) internal successors, (130), 30 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:45,194 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 130 edges. 129 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:45,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-20 23:55:45,194 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:45,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-20 23:55:45,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=618, Unknown=3, NotChecked=156, Total=870 [2022-02-20 23:55:45,195 INFO L87 Difference]: Start difference. First operand 224 states and 252 transitions. Second operand has 30 states, 29 states have (on average 4.482758620689655) internal successors, (130), 30 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:47,237 INFO L93 Difference]: Finished difference Result 247 states and 268 transitions. [2022-02-20 23:55:47,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-20 23:55:47,237 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 4.482758620689655) internal successors, (130), 30 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-02-20 23:55:47,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 4.482758620689655) internal successors, (130), 30 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 205 transitions. [2022-02-20 23:55:47,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 4.482758620689655) internal successors, (130), 30 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 205 transitions. [2022-02-20 23:55:47,239 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 205 transitions. [2022-02-20 23:55:47,384 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 205 edges. 205 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:47,386 INFO L225 Difference]: With dead ends: 247 [2022-02-20 23:55:47,386 INFO L226 Difference]: Without dead ends: 247 [2022-02-20 23:55:47,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 69 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=293, Invalid=1198, Unknown=3, NotChecked=228, Total=1722 [2022-02-20 23:55:47,387 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 786 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 568 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:47,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [786 Valid, 781 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 633 Invalid, 0 Unknown, 568 Unchecked, 0.5s Time] [2022-02-20 23:55:47,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-02-20 23:55:47,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 224. [2022-02-20 23:55:47,390 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:47,390 INFO L82 GeneralOperation]: Start isEquivalent. First operand 247 states. Second operand has 224 states, 192 states have (on average 1.3072916666666667) internal successors, (251), 223 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,390 INFO L74 IsIncluded]: Start isIncluded. First operand 247 states. Second operand has 224 states, 192 states have (on average 1.3072916666666667) internal successors, (251), 223 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,390 INFO L87 Difference]: Start difference. First operand 247 states. Second operand has 224 states, 192 states have (on average 1.3072916666666667) internal successors, (251), 223 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:47,393 INFO L93 Difference]: Finished difference Result 247 states and 268 transitions. [2022-02-20 23:55:47,393 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 268 transitions. [2022-02-20 23:55:47,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:47,393 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:47,394 INFO L74 IsIncluded]: Start isIncluded. First operand has 224 states, 192 states have (on average 1.3072916666666667) internal successors, (251), 223 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 247 states. [2022-02-20 23:55:47,394 INFO L87 Difference]: Start difference. First operand has 224 states, 192 states have (on average 1.3072916666666667) internal successors, (251), 223 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 247 states. [2022-02-20 23:55:47,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:47,396 INFO L93 Difference]: Finished difference Result 247 states and 268 transitions. [2022-02-20 23:55:47,396 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 268 transitions. [2022-02-20 23:55:47,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:47,397 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:47,397 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:47,397 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:47,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 192 states have (on average 1.3072916666666667) internal successors, (251), 223 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 251 transitions. [2022-02-20 23:55:47,399 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 251 transitions. Word has length 44 [2022-02-20 23:55:47,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:47,400 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 251 transitions. [2022-02-20 23:55:47,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 4.482758620689655) internal successors, (130), 30 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,400 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 251 transitions. [2022-02-20 23:55:47,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-20 23:55:47,400 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:47,400 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:47,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:47,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-02-20 23:55:47,615 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:47,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:47,616 INFO L85 PathProgramCache]: Analyzing trace with hash -64101254, now seen corresponding path program 1 times [2022-02-20 23:55:47,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:47,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640981285] [2022-02-20 23:55:47,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:47,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:47,660 INFO L290 TraceCheckUtils]: 0: Hoare triple {19099#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {19099#true} is VALID [2022-02-20 23:55:47,660 INFO L290 TraceCheckUtils]: 1: Hoare triple {19099#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {19099#true} is VALID [2022-02-20 23:55:47,661 INFO L290 TraceCheckUtils]: 2: Hoare triple {19099#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {19099#true} is VALID [2022-02-20 23:55:47,661 INFO L290 TraceCheckUtils]: 3: Hoare triple {19099#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {19099#true} is VALID [2022-02-20 23:55:47,661 INFO L290 TraceCheckUtils]: 4: Hoare triple {19099#true} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {19099#true} is VALID [2022-02-20 23:55:47,661 INFO L290 TraceCheckUtils]: 5: Hoare triple {19099#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19099#true} is VALID [2022-02-20 23:55:47,661 INFO L290 TraceCheckUtils]: 6: Hoare triple {19099#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {19099#true} is VALID [2022-02-20 23:55:47,661 INFO L290 TraceCheckUtils]: 7: Hoare triple {19099#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {19099#true} is VALID [2022-02-20 23:55:47,661 INFO L290 TraceCheckUtils]: 8: Hoare triple {19099#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {19099#true} is VALID [2022-02-20 23:55:47,661 INFO L290 TraceCheckUtils]: 9: Hoare triple {19099#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {19099#true} is VALID [2022-02-20 23:55:47,662 INFO L290 TraceCheckUtils]: 10: Hoare triple {19099#true} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {19099#true} is VALID [2022-02-20 23:55:47,662 INFO L290 TraceCheckUtils]: 11: Hoare triple {19099#true} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {19099#true} is VALID [2022-02-20 23:55:47,662 INFO L290 TraceCheckUtils]: 12: Hoare triple {19099#true} assume 0 == main_~status~0#1; {19099#true} is VALID [2022-02-20 23:55:47,662 INFO L290 TraceCheckUtils]: 13: Hoare triple {19099#true} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {19099#true} is VALID [2022-02-20 23:55:47,662 INFO L290 TraceCheckUtils]: 14: Hoare triple {19099#true} main_~status~0#1 := 1; {19099#true} is VALID [2022-02-20 23:55:47,662 INFO L290 TraceCheckUtils]: 15: Hoare triple {19099#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {19099#true} is VALID [2022-02-20 23:55:47,662 INFO L290 TraceCheckUtils]: 16: Hoare triple {19099#true} goto; {19099#true} is VALID [2022-02-20 23:55:47,662 INFO L290 TraceCheckUtils]: 17: Hoare triple {19099#true} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {19099#true} is VALID [2022-02-20 23:55:47,662 INFO L290 TraceCheckUtils]: 18: Hoare triple {19099#true} goto; {19099#true} is VALID [2022-02-20 23:55:47,663 INFO L290 TraceCheckUtils]: 19: Hoare triple {19099#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19099#true} is VALID [2022-02-20 23:55:47,663 INFO L290 TraceCheckUtils]: 20: Hoare triple {19099#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {19099#true} is VALID [2022-02-20 23:55:47,663 INFO L290 TraceCheckUtils]: 21: Hoare triple {19099#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {19099#true} is VALID [2022-02-20 23:55:47,663 INFO L290 TraceCheckUtils]: 22: Hoare triple {19099#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {19099#true} is VALID [2022-02-20 23:55:47,663 INFO L290 TraceCheckUtils]: 23: Hoare triple {19099#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {19099#true} is VALID [2022-02-20 23:55:47,663 INFO L290 TraceCheckUtils]: 24: Hoare triple {19099#true} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {19099#true} is VALID [2022-02-20 23:55:47,663 INFO L290 TraceCheckUtils]: 25: Hoare triple {19099#true} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {19099#true} is VALID [2022-02-20 23:55:47,663 INFO L290 TraceCheckUtils]: 26: Hoare triple {19099#true} assume !(0 == main_~status~0#1); {19099#true} is VALID [2022-02-20 23:55:47,663 INFO L290 TraceCheckUtils]: 27: Hoare triple {19099#true} assume 1 == main_~status~0#1; {19099#true} is VALID [2022-02-20 23:55:47,664 INFO L290 TraceCheckUtils]: 28: Hoare triple {19099#true} SUMMARY for call write~int(2, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1015 {19099#true} is VALID [2022-02-20 23:55:47,664 INFO L290 TraceCheckUtils]: 29: Hoare triple {19099#true} main_~status~0#1 := 2; {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} is VALID [2022-02-20 23:55:47,664 INFO L290 TraceCheckUtils]: 30: Hoare triple {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} is VALID [2022-02-20 23:55:47,665 INFO L290 TraceCheckUtils]: 31: Hoare triple {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} goto; {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} is VALID [2022-02-20 23:55:47,665 INFO L290 TraceCheckUtils]: 32: Hoare triple {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} is VALID [2022-02-20 23:55:47,665 INFO L290 TraceCheckUtils]: 33: Hoare triple {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} goto; {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} is VALID [2022-02-20 23:55:47,665 INFO L290 TraceCheckUtils]: 34: Hoare triple {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} is VALID [2022-02-20 23:55:47,666 INFO L290 TraceCheckUtils]: 35: Hoare triple {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} is VALID [2022-02-20 23:55:47,666 INFO L290 TraceCheckUtils]: 36: Hoare triple {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} is VALID [2022-02-20 23:55:47,666 INFO L290 TraceCheckUtils]: 37: Hoare triple {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} goto; {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} is VALID [2022-02-20 23:55:47,666 INFO L290 TraceCheckUtils]: 38: Hoare triple {19101#(= |ULTIMATE.start_main_~status~0#1| 2)} assume 1 == main_~status~0#1; {19100#false} is VALID [2022-02-20 23:55:47,667 INFO L290 TraceCheckUtils]: 39: Hoare triple {19100#false} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {19100#false} is VALID [2022-02-20 23:55:47,667 INFO L290 TraceCheckUtils]: 40: Hoare triple {19100#false} goto; {19100#false} is VALID [2022-02-20 23:55:47,667 INFO L290 TraceCheckUtils]: 41: Hoare triple {19100#false} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {19100#false} is VALID [2022-02-20 23:55:47,667 INFO L290 TraceCheckUtils]: 42: Hoare triple {19100#false} assume !(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {19100#false} is VALID [2022-02-20 23:55:47,667 INFO L290 TraceCheckUtils]: 43: Hoare triple {19100#false} assume !false; {19100#false} is VALID [2022-02-20 23:55:47,667 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-20 23:55:47,667 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:47,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640981285] [2022-02-20 23:55:47,668 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640981285] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:47,668 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:47,668 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:47,668 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316278704] [2022-02-20 23:55:47,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:47,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-02-20 23:55:47,668 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:47,669 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,689 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:47,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:47,689 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:47,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:47,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:47,691 INFO L87 Difference]: Start difference. First operand 224 states and 251 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:47,823 INFO L93 Difference]: Finished difference Result 298 states and 331 transitions. [2022-02-20 23:55:47,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:47,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-02-20 23:55:47,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:47,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 199 transitions. [2022-02-20 23:55:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 199 transitions. [2022-02-20 23:55:47,826 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 199 transitions. [2022-02-20 23:55:47,937 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 199 edges. 199 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:47,940 INFO L225 Difference]: With dead ends: 298 [2022-02-20 23:55:47,941 INFO L226 Difference]: Without dead ends: 298 [2022-02-20 23:55:47,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:47,941 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 64 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:47,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 282 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:55:47,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-02-20 23:55:47,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 242. [2022-02-20 23:55:47,944 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:47,945 INFO L82 GeneralOperation]: Start isEquivalent. First operand 298 states. Second operand has 242 states, 210 states have (on average 1.2857142857142858) internal successors, (270), 241 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,945 INFO L74 IsIncluded]: Start isIncluded. First operand 298 states. Second operand has 242 states, 210 states have (on average 1.2857142857142858) internal successors, (270), 241 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,945 INFO L87 Difference]: Start difference. First operand 298 states. Second operand has 242 states, 210 states have (on average 1.2857142857142858) internal successors, (270), 241 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:47,948 INFO L93 Difference]: Finished difference Result 298 states and 331 transitions. [2022-02-20 23:55:47,948 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 331 transitions. [2022-02-20 23:55:47,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:47,949 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:47,949 INFO L74 IsIncluded]: Start isIncluded. First operand has 242 states, 210 states have (on average 1.2857142857142858) internal successors, (270), 241 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 298 states. [2022-02-20 23:55:47,956 INFO L87 Difference]: Start difference. First operand has 242 states, 210 states have (on average 1.2857142857142858) internal successors, (270), 241 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 298 states. [2022-02-20 23:55:47,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:47,960 INFO L93 Difference]: Finished difference Result 298 states and 331 transitions. [2022-02-20 23:55:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 331 transitions. [2022-02-20 23:55:47,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:47,961 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:47,961 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:47,961 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:47,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 210 states have (on average 1.2857142857142858) internal successors, (270), 241 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 270 transitions. [2022-02-20 23:55:47,964 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 270 transitions. Word has length 44 [2022-02-20 23:55:47,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:47,964 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 270 transitions. [2022-02-20 23:55:47,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:47,964 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 270 transitions. [2022-02-20 23:55:47,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-20 23:55:47,965 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:47,965 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:47,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-20 23:55:47,965 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:47,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:47,966 INFO L85 PathProgramCache]: Analyzing trace with hash -2014223229, now seen corresponding path program 1 times [2022-02-20 23:55:47,966 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:47,966 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548290525] [2022-02-20 23:55:47,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:47,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:48,020 INFO L290 TraceCheckUtils]: 0: Hoare triple {20240#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {20240#true} is VALID [2022-02-20 23:55:48,020 INFO L290 TraceCheckUtils]: 1: Hoare triple {20240#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {20240#true} is VALID [2022-02-20 23:55:48,020 INFO L290 TraceCheckUtils]: 2: Hoare triple {20240#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {20240#true} is VALID [2022-02-20 23:55:48,020 INFO L290 TraceCheckUtils]: 3: Hoare triple {20240#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {20240#true} is VALID [2022-02-20 23:55:48,020 INFO L290 TraceCheckUtils]: 4: Hoare triple {20240#true} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {20240#true} is VALID [2022-02-20 23:55:48,020 INFO L290 TraceCheckUtils]: 5: Hoare triple {20240#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {20240#true} is VALID [2022-02-20 23:55:48,021 INFO L290 TraceCheckUtils]: 6: Hoare triple {20240#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {20240#true} is VALID [2022-02-20 23:55:48,021 INFO L290 TraceCheckUtils]: 7: Hoare triple {20240#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {20240#true} is VALID [2022-02-20 23:55:48,021 INFO L290 TraceCheckUtils]: 8: Hoare triple {20240#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {20240#true} is VALID [2022-02-20 23:55:48,021 INFO L290 TraceCheckUtils]: 9: Hoare triple {20240#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {20240#true} is VALID [2022-02-20 23:55:48,021 INFO L290 TraceCheckUtils]: 10: Hoare triple {20240#true} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {20240#true} is VALID [2022-02-20 23:55:48,021 INFO L290 TraceCheckUtils]: 11: Hoare triple {20240#true} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {20240#true} is VALID [2022-02-20 23:55:48,021 INFO L290 TraceCheckUtils]: 12: Hoare triple {20240#true} assume 0 == main_~status~0#1; {20240#true} is VALID [2022-02-20 23:55:48,021 INFO L290 TraceCheckUtils]: 13: Hoare triple {20240#true} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {20240#true} is VALID [2022-02-20 23:55:48,021 INFO L290 TraceCheckUtils]: 14: Hoare triple {20240#true} main_~status~0#1 := 1; {20240#true} is VALID [2022-02-20 23:55:48,022 INFO L290 TraceCheckUtils]: 15: Hoare triple {20240#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {20240#true} is VALID [2022-02-20 23:55:48,022 INFO L290 TraceCheckUtils]: 16: Hoare triple {20240#true} goto; {20240#true} is VALID [2022-02-20 23:55:48,022 INFO L290 TraceCheckUtils]: 17: Hoare triple {20240#true} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {20240#true} is VALID [2022-02-20 23:55:48,022 INFO L290 TraceCheckUtils]: 18: Hoare triple {20240#true} goto; {20240#true} is VALID [2022-02-20 23:55:48,022 INFO L290 TraceCheckUtils]: 19: Hoare triple {20240#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {20240#true} is VALID [2022-02-20 23:55:48,022 INFO L290 TraceCheckUtils]: 20: Hoare triple {20240#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {20240#true} is VALID [2022-02-20 23:55:48,022 INFO L290 TraceCheckUtils]: 21: Hoare triple {20240#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {20240#true} is VALID [2022-02-20 23:55:48,022 INFO L290 TraceCheckUtils]: 22: Hoare triple {20240#true} goto; {20240#true} is VALID [2022-02-20 23:55:48,022 INFO L290 TraceCheckUtils]: 23: Hoare triple {20240#true} assume 1 == main_~status~0#1; {20240#true} is VALID [2022-02-20 23:55:48,023 INFO L290 TraceCheckUtils]: 24: Hoare triple {20240#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {20240#true} is VALID [2022-02-20 23:55:48,023 INFO L290 TraceCheckUtils]: 25: Hoare triple {20240#true} goto; {20240#true} is VALID [2022-02-20 23:55:48,023 INFO L290 TraceCheckUtils]: 26: Hoare triple {20240#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {20242#(and (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:55:48,024 INFO L290 TraceCheckUtils]: 27: Hoare triple {20242#(and (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,024 INFO L290 TraceCheckUtils]: 28: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,025 INFO L290 TraceCheckUtils]: 29: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !(2 == main_~status~0#1); {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,025 INFO L290 TraceCheckUtils]: 30: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !(3 == main_~status~0#1); {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,026 INFO L290 TraceCheckUtils]: 31: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,026 INFO L290 TraceCheckUtils]: 32: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,027 INFO L290 TraceCheckUtils]: 33: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,027 INFO L290 TraceCheckUtils]: 34: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,027 INFO L290 TraceCheckUtils]: 35: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,028 INFO L290 TraceCheckUtils]: 36: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,028 INFO L290 TraceCheckUtils]: 37: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {20244#(or (not (= |ULTIMATE.start_main_#t~mem25#1.offset| 0)) (not (= |ULTIMATE.start_main_#t~mem25#1.base| 0)))} is VALID [2022-02-20 23:55:48,029 INFO L290 TraceCheckUtils]: 38: Hoare triple {20244#(or (not (= |ULTIMATE.start_main_#t~mem25#1.offset| 0)) (not (= |ULTIMATE.start_main_#t~mem25#1.base| 0)))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:55:48,029 INFO L290 TraceCheckUtils]: 39: Hoare triple {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume 0 == main_~item~0#1.offset; {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:55:48,029 INFO L290 TraceCheckUtils]: 40: Hoare triple {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume main_~item~0#1.base < #StackHeapBarrier; {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:55:48,029 INFO L290 TraceCheckUtils]: 41: Hoare triple {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:55:48,030 INFO L290 TraceCheckUtils]: 42: Hoare triple {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume !(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {20241#false} is VALID [2022-02-20 23:55:48,030 INFO L290 TraceCheckUtils]: 43: Hoare triple {20241#false} main_#res#1 := 0; {20241#false} is VALID [2022-02-20 23:55:48,030 INFO L290 TraceCheckUtils]: 44: Hoare triple {20241#false} assume !(#valid == main_old_#valid#1); {20241#false} is VALID [2022-02-20 23:55:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 23:55:48,030 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:48,030 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548290525] [2022-02-20 23:55:48,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548290525] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:48,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338346658] [2022-02-20 23:55:48,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:48,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:48,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:48,040 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:48,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-20 23:55:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:48,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-20 23:55:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:48,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:48,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2022-02-20 23:55:48,293 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-02-20 23:55:48,321 INFO L290 TraceCheckUtils]: 0: Hoare triple {20240#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {20240#true} is VALID [2022-02-20 23:55:48,321 INFO L290 TraceCheckUtils]: 1: Hoare triple {20240#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {20240#true} is VALID [2022-02-20 23:55:48,321 INFO L290 TraceCheckUtils]: 2: Hoare triple {20240#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {20240#true} is VALID [2022-02-20 23:55:48,321 INFO L290 TraceCheckUtils]: 3: Hoare triple {20240#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {20240#true} is VALID [2022-02-20 23:55:48,321 INFO L290 TraceCheckUtils]: 4: Hoare triple {20240#true} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {20240#true} is VALID [2022-02-20 23:55:48,321 INFO L290 TraceCheckUtils]: 5: Hoare triple {20240#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {20240#true} is VALID [2022-02-20 23:55:48,321 INFO L290 TraceCheckUtils]: 6: Hoare triple {20240#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {20240#true} is VALID [2022-02-20 23:55:48,321 INFO L290 TraceCheckUtils]: 7: Hoare triple {20240#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {20240#true} is VALID [2022-02-20 23:55:48,321 INFO L290 TraceCheckUtils]: 8: Hoare triple {20240#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {20240#true} is VALID [2022-02-20 23:55:48,321 INFO L290 TraceCheckUtils]: 9: Hoare triple {20240#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {20240#true} is VALID [2022-02-20 23:55:48,321 INFO L290 TraceCheckUtils]: 10: Hoare triple {20240#true} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 11: Hoare triple {20240#true} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 12: Hoare triple {20240#true} assume 0 == main_~status~0#1; {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 13: Hoare triple {20240#true} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 14: Hoare triple {20240#true} main_~status~0#1 := 1; {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 15: Hoare triple {20240#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 16: Hoare triple {20240#true} goto; {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 17: Hoare triple {20240#true} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 18: Hoare triple {20240#true} goto; {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 19: Hoare triple {20240#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 20: Hoare triple {20240#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 21: Hoare triple {20240#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 22: Hoare triple {20240#true} goto; {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 23: Hoare triple {20240#true} assume 1 == main_~status~0#1; {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 24: Hoare triple {20240#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {20240#true} is VALID [2022-02-20 23:55:48,322 INFO L290 TraceCheckUtils]: 25: Hoare triple {20240#true} goto; {20240#true} is VALID [2022-02-20 23:55:48,323 INFO L290 TraceCheckUtils]: 26: Hoare triple {20240#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {20242#(and (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:55:48,323 INFO L290 TraceCheckUtils]: 27: Hoare triple {20242#(and (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,323 INFO L290 TraceCheckUtils]: 28: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,324 INFO L290 TraceCheckUtils]: 29: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !(2 == main_~status~0#1); {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,324 INFO L290 TraceCheckUtils]: 30: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !(3 == main_~status~0#1); {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,324 INFO L290 TraceCheckUtils]: 31: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,325 INFO L290 TraceCheckUtils]: 32: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,325 INFO L290 TraceCheckUtils]: 33: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,326 INFO L290 TraceCheckUtils]: 34: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,326 INFO L290 TraceCheckUtils]: 35: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,326 INFO L290 TraceCheckUtils]: 36: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,327 INFO L290 TraceCheckUtils]: 37: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {20244#(or (not (= |ULTIMATE.start_main_#t~mem25#1.offset| 0)) (not (= |ULTIMATE.start_main_#t~mem25#1.base| 0)))} is VALID [2022-02-20 23:55:48,327 INFO L290 TraceCheckUtils]: 38: Hoare triple {20244#(or (not (= |ULTIMATE.start_main_#t~mem25#1.offset| 0)) (not (= |ULTIMATE.start_main_#t~mem25#1.base| 0)))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:55:48,327 INFO L290 TraceCheckUtils]: 39: Hoare triple {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume 0 == main_~item~0#1.offset; {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:55:48,328 INFO L290 TraceCheckUtils]: 40: Hoare triple {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume main_~item~0#1.base < #StackHeapBarrier; {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:55:48,328 INFO L290 TraceCheckUtils]: 41: Hoare triple {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:55:48,329 INFO L290 TraceCheckUtils]: 42: Hoare triple {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume !(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {20241#false} is VALID [2022-02-20 23:55:48,329 INFO L290 TraceCheckUtils]: 43: Hoare triple {20241#false} main_#res#1 := 0; {20241#false} is VALID [2022-02-20 23:55:48,329 INFO L290 TraceCheckUtils]: 44: Hoare triple {20241#false} assume !(#valid == main_old_#valid#1); {20241#false} is VALID [2022-02-20 23:55:48,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 23:55:48,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:48,470 INFO L290 TraceCheckUtils]: 44: Hoare triple {20241#false} assume !(#valid == main_old_#valid#1); {20241#false} is VALID [2022-02-20 23:55:48,471 INFO L290 TraceCheckUtils]: 43: Hoare triple {20241#false} main_#res#1 := 0; {20241#false} is VALID [2022-02-20 23:55:48,471 INFO L290 TraceCheckUtils]: 42: Hoare triple {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume !(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {20241#false} is VALID [2022-02-20 23:55:48,471 INFO L290 TraceCheckUtils]: 41: Hoare triple {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:55:48,472 INFO L290 TraceCheckUtils]: 40: Hoare triple {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume main_~item~0#1.base < #StackHeapBarrier; {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:55:48,472 INFO L290 TraceCheckUtils]: 39: Hoare triple {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume 0 == main_~item~0#1.offset; {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:55:48,472 INFO L290 TraceCheckUtils]: 38: Hoare triple {20244#(or (not (= |ULTIMATE.start_main_#t~mem25#1.offset| 0)) (not (= |ULTIMATE.start_main_#t~mem25#1.base| 0)))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {20245#(or (not (= |ULTIMATE.start_main_~head~0#1.base| 0)) (not (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:55:48,473 INFO L290 TraceCheckUtils]: 37: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {20244#(or (not (= |ULTIMATE.start_main_#t~mem25#1.offset| 0)) (not (= |ULTIMATE.start_main_#t~mem25#1.base| 0)))} is VALID [2022-02-20 23:55:48,473 INFO L290 TraceCheckUtils]: 36: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,474 INFO L290 TraceCheckUtils]: 35: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,474 INFO L290 TraceCheckUtils]: 34: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,475 INFO L290 TraceCheckUtils]: 33: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,475 INFO L290 TraceCheckUtils]: 32: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,476 INFO L290 TraceCheckUtils]: 31: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,476 INFO L290 TraceCheckUtils]: 30: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !(3 == main_~status~0#1); {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,476 INFO L290 TraceCheckUtils]: 29: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !(2 == main_~status~0#1); {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,477 INFO L290 TraceCheckUtils]: 28: Hoare triple {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,477 INFO L290 TraceCheckUtils]: 27: Hoare triple {20432#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (and (= |ULTIMATE.start_main_#t~mem5#1.base| 0) (= |ULTIMATE.start_main_#t~mem5#1.offset| 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {20243#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 26: Hoare triple {20240#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {20432#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (and (= |ULTIMATE.start_main_#t~mem5#1.base| 0) (= |ULTIMATE.start_main_#t~mem5#1.offset| 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 25: Hoare triple {20240#true} goto; {20240#true} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 24: Hoare triple {20240#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {20240#true} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 23: Hoare triple {20240#true} assume 1 == main_~status~0#1; {20240#true} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 22: Hoare triple {20240#true} goto; {20240#true} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 21: Hoare triple {20240#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {20240#true} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 20: Hoare triple {20240#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {20240#true} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 19: Hoare triple {20240#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {20240#true} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 18: Hoare triple {20240#true} goto; {20240#true} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 17: Hoare triple {20240#true} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {20240#true} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 16: Hoare triple {20240#true} goto; {20240#true} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 15: Hoare triple {20240#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {20240#true} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 14: Hoare triple {20240#true} main_~status~0#1 := 1; {20240#true} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 13: Hoare triple {20240#true} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {20240#true} is VALID [2022-02-20 23:55:48,478 INFO L290 TraceCheckUtils]: 12: Hoare triple {20240#true} assume 0 == main_~status~0#1; {20240#true} is VALID [2022-02-20 23:55:48,479 INFO L290 TraceCheckUtils]: 11: Hoare triple {20240#true} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {20240#true} is VALID [2022-02-20 23:55:48,479 INFO L290 TraceCheckUtils]: 10: Hoare triple {20240#true} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {20240#true} is VALID [2022-02-20 23:55:48,479 INFO L290 TraceCheckUtils]: 9: Hoare triple {20240#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {20240#true} is VALID [2022-02-20 23:55:48,479 INFO L290 TraceCheckUtils]: 8: Hoare triple {20240#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {20240#true} is VALID [2022-02-20 23:55:48,479 INFO L290 TraceCheckUtils]: 7: Hoare triple {20240#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {20240#true} is VALID [2022-02-20 23:55:48,479 INFO L290 TraceCheckUtils]: 6: Hoare triple {20240#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {20240#true} is VALID [2022-02-20 23:55:48,479 INFO L290 TraceCheckUtils]: 5: Hoare triple {20240#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {20240#true} is VALID [2022-02-20 23:55:48,479 INFO L290 TraceCheckUtils]: 4: Hoare triple {20240#true} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {20240#true} is VALID [2022-02-20 23:55:48,479 INFO L290 TraceCheckUtils]: 3: Hoare triple {20240#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {20240#true} is VALID [2022-02-20 23:55:48,479 INFO L290 TraceCheckUtils]: 2: Hoare triple {20240#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {20240#true} is VALID [2022-02-20 23:55:48,479 INFO L290 TraceCheckUtils]: 1: Hoare triple {20240#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {20240#true} is VALID [2022-02-20 23:55:48,479 INFO L290 TraceCheckUtils]: 0: Hoare triple {20240#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {20240#true} is VALID [2022-02-20 23:55:48,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 23:55:48,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338346658] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:48,480 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:48,480 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2022-02-20 23:55:48,480 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368836270] [2022-02-20 23:55:48,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:48,480 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-02-20 23:55:48,480 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:48,481 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:48,508 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:48,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:55:48,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:48,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:55:48,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:55:48,509 INFO L87 Difference]: Start difference. First operand 242 states and 270 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:48,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:48,979 INFO L93 Difference]: Finished difference Result 283 states and 314 transitions. [2022-02-20 23:55:48,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 23:55:48,980 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-02-20 23:55:48,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 167 transitions. [2022-02-20 23:55:48,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 167 transitions. [2022-02-20 23:55:48,981 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 167 transitions. [2022-02-20 23:55:49,089 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 167 edges. 167 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:49,093 INFO L225 Difference]: With dead ends: 283 [2022-02-20 23:55:49,093 INFO L226 Difference]: Without dead ends: 275 [2022-02-20 23:55:49,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-20 23:55:49,093 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 174 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:49,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 519 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:49,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-02-20 23:55:49,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 269. [2022-02-20 23:55:49,097 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:49,098 INFO L82 GeneralOperation]: Start isEquivalent. First operand 275 states. Second operand has 269 states, 237 states have (on average 1.2827004219409284) internal successors, (304), 268 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,098 INFO L74 IsIncluded]: Start isIncluded. First operand 275 states. Second operand has 269 states, 237 states have (on average 1.2827004219409284) internal successors, (304), 268 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,098 INFO L87 Difference]: Start difference. First operand 275 states. Second operand has 269 states, 237 states have (on average 1.2827004219409284) internal successors, (304), 268 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:49,103 INFO L93 Difference]: Finished difference Result 275 states and 305 transitions. [2022-02-20 23:55:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 305 transitions. [2022-02-20 23:55:49,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:49,103 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:49,104 INFO L74 IsIncluded]: Start isIncluded. First operand has 269 states, 237 states have (on average 1.2827004219409284) internal successors, (304), 268 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 275 states. [2022-02-20 23:55:49,104 INFO L87 Difference]: Start difference. First operand has 269 states, 237 states have (on average 1.2827004219409284) internal successors, (304), 268 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 275 states. [2022-02-20 23:55:49,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:49,107 INFO L93 Difference]: Finished difference Result 275 states and 305 transitions. [2022-02-20 23:55:49,107 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 305 transitions. [2022-02-20 23:55:49,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:49,108 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:49,108 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:49,108 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:49,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 237 states have (on average 1.2827004219409284) internal successors, (304), 268 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 304 transitions. [2022-02-20 23:55:49,111 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 304 transitions. Word has length 45 [2022-02-20 23:55:49,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:49,111 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 304 transitions. [2022-02-20 23:55:49,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,112 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 304 transitions. [2022-02-20 23:55:49,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-20 23:55:49,112 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:49,112 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:49,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-02-20 23:55:49,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:49,328 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:49,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:49,328 INFO L85 PathProgramCache]: Analyzing trace with hash 164743237, now seen corresponding path program 1 times [2022-02-20 23:55:49,328 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:49,328 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123596472] [2022-02-20 23:55:49,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:49,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:49,636 INFO L290 TraceCheckUtils]: 0: Hoare triple {21621#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {21621#true} is VALID [2022-02-20 23:55:49,636 INFO L290 TraceCheckUtils]: 1: Hoare triple {21621#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {21621#true} is VALID [2022-02-20 23:55:49,636 INFO L290 TraceCheckUtils]: 2: Hoare triple {21621#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {21623#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:49,637 INFO L290 TraceCheckUtils]: 3: Hoare triple {21623#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {21623#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:49,637 INFO L290 TraceCheckUtils]: 4: Hoare triple {21623#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {21624#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:49,637 INFO L290 TraceCheckUtils]: 5: Hoare triple {21624#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21624#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:49,646 INFO L290 TraceCheckUtils]: 6: Hoare triple {21624#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {21625#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:49,647 INFO L290 TraceCheckUtils]: 7: Hoare triple {21625#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {21626#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:49,647 INFO L290 TraceCheckUtils]: 8: Hoare triple {21626#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {21626#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:49,648 INFO L290 TraceCheckUtils]: 9: Hoare triple {21626#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {21627#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:49,648 INFO L290 TraceCheckUtils]: 10: Hoare triple {21627#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {21628#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:49,649 INFO L290 TraceCheckUtils]: 11: Hoare triple {21628#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {21628#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:49,649 INFO L290 TraceCheckUtils]: 12: Hoare triple {21628#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 == main_~status~0#1; {21628#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:49,650 INFO L290 TraceCheckUtils]: 13: Hoare triple {21628#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {21628#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:49,650 INFO L290 TraceCheckUtils]: 14: Hoare triple {21628#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~status~0#1 := 1; {21629#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~status~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0)))} is VALID [2022-02-20 23:55:49,651 INFO L290 TraceCheckUtils]: 15: Hoare triple {21629#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~status~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {21629#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~status~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0)))} is VALID [2022-02-20 23:55:49,651 INFO L290 TraceCheckUtils]: 16: Hoare triple {21629#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~status~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0)))} goto; {21629#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~status~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0)))} is VALID [2022-02-20 23:55:49,652 INFO L290 TraceCheckUtils]: 17: Hoare triple {21629#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~status~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0)))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {21630#(or (and (= |ULTIMATE.start_main_~status~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} is VALID [2022-02-20 23:55:49,652 INFO L290 TraceCheckUtils]: 18: Hoare triple {21630#(or (and (= |ULTIMATE.start_main_~status~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} goto; {21630#(or (and (= |ULTIMATE.start_main_~status~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} is VALID [2022-02-20 23:55:49,653 INFO L290 TraceCheckUtils]: 19: Hoare triple {21630#(or (and (= |ULTIMATE.start_main_~status~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21630#(or (and (= |ULTIMATE.start_main_~status~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} is VALID [2022-02-20 23:55:49,653 INFO L290 TraceCheckUtils]: 20: Hoare triple {21630#(or (and (= |ULTIMATE.start_main_~status~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {21631#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:55:49,654 INFO L290 TraceCheckUtils]: 21: Hoare triple {21631#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {21632#(or (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} is VALID [2022-02-20 23:55:49,654 INFO L290 TraceCheckUtils]: 22: Hoare triple {21632#(or (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {21632#(or (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} is VALID [2022-02-20 23:55:49,655 INFO L290 TraceCheckUtils]: 23: Hoare triple {21632#(or (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {21633#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:55:49,655 INFO L290 TraceCheckUtils]: 24: Hoare triple {21633#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {21634#(or (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} is VALID [2022-02-20 23:55:49,656 INFO L290 TraceCheckUtils]: 25: Hoare triple {21634#(or (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {21634#(or (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} is VALID [2022-02-20 23:55:49,656 INFO L290 TraceCheckUtils]: 26: Hoare triple {21634#(or (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} assume !(0 == main_~status~0#1); {21635#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:49,657 INFO L290 TraceCheckUtils]: 27: Hoare triple {21635#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume 1 == main_~status~0#1; {21635#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:49,657 INFO L290 TraceCheckUtils]: 28: Hoare triple {21635#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~int(2, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1015 {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,660 INFO L290 TraceCheckUtils]: 29: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~status~0#1 := 2; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,660 INFO L290 TraceCheckUtils]: 30: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,663 INFO L290 TraceCheckUtils]: 31: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,664 INFO L290 TraceCheckUtils]: 32: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,664 INFO L290 TraceCheckUtils]: 33: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,664 INFO L290 TraceCheckUtils]: 34: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,664 INFO L290 TraceCheckUtils]: 35: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,665 INFO L290 TraceCheckUtils]: 36: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,665 INFO L290 TraceCheckUtils]: 37: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,665 INFO L290 TraceCheckUtils]: 38: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(1 == main_~status~0#1); {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,665 INFO L290 TraceCheckUtils]: 39: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 2 == main_~status~0#1; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,666 INFO L290 TraceCheckUtils]: 40: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,666 INFO L290 TraceCheckUtils]: 41: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,666 INFO L290 TraceCheckUtils]: 42: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1037-4 {21637#(not (= |ULTIMATE.start_main_#t~mem6#1.base| 0))} is VALID [2022-02-20 23:55:49,667 INFO L290 TraceCheckUtils]: 43: Hoare triple {21637#(not (= |ULTIMATE.start_main_#t~mem6#1.base| 0))} assume !(main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0);havoc main_#t~mem6#1.base, main_#t~mem6#1.offset; {21622#false} is VALID [2022-02-20 23:55:49,667 INFO L290 TraceCheckUtils]: 44: Hoare triple {21622#false} assume !false; {21622#false} is VALID [2022-02-20 23:55:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:49,667 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:49,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123596472] [2022-02-20 23:55:49,667 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123596472] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:49,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221677751] [2022-02-20 23:55:49,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:49,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:49,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:49,668 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:49,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-20 23:55:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:49,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 40 conjunts are in the unsatisfiable core [2022-02-20 23:55:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:49,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:49,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:49,877 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:49,877 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:55:49,938 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:50,081 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:50,082 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 28 [2022-02-20 23:55:50,117 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:50,118 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 28 [2022-02-20 23:55:50,225 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:50,225 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:55:50,295 INFO L356 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-02-20 23:55:50,296 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2022-02-20 23:55:50,517 INFO L356 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-02-20 23:55:50,517 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 48 [2022-02-20 23:55:50,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-02-20 23:55:50,714 INFO L356 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-02-20 23:55:50,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 55 [2022-02-20 23:55:50,757 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-02-20 23:55:50,923 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2022-02-20 23:55:50,932 INFO L290 TraceCheckUtils]: 0: Hoare triple {21621#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {21621#true} is VALID [2022-02-20 23:55:50,933 INFO L290 TraceCheckUtils]: 1: Hoare triple {21621#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {21644#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,933 INFO L290 TraceCheckUtils]: 2: Hoare triple {21644#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {21644#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,934 INFO L290 TraceCheckUtils]: 3: Hoare triple {21644#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {21644#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,934 INFO L290 TraceCheckUtils]: 4: Hoare triple {21644#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {21654#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:50,935 INFO L290 TraceCheckUtils]: 5: Hoare triple {21654#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21654#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:50,935 INFO L290 TraceCheckUtils]: 6: Hoare triple {21654#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {21661#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| 0)))} is VALID [2022-02-20 23:55:50,936 INFO L290 TraceCheckUtils]: 7: Hoare triple {21661#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| 0)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {21665#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,937 INFO L290 TraceCheckUtils]: 8: Hoare triple {21665#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {21665#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,937 INFO L290 TraceCheckUtils]: 9: Hoare triple {21665#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {21672#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,938 INFO L290 TraceCheckUtils]: 10: Hoare triple {21672#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,939 INFO L290 TraceCheckUtils]: 11: Hoare triple {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,939 INFO L290 TraceCheckUtils]: 12: Hoare triple {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 == main_~status~0#1; {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,940 INFO L290 TraceCheckUtils]: 13: Hoare triple {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,940 INFO L290 TraceCheckUtils]: 14: Hoare triple {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~status~0#1 := 1; {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,941 INFO L290 TraceCheckUtils]: 15: Hoare triple {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,941 INFO L290 TraceCheckUtils]: 16: Hoare triple {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} goto; {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,941 INFO L290 TraceCheckUtils]: 17: Hoare triple {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,942 INFO L290 TraceCheckUtils]: 18: Hoare triple {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} goto; {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,942 INFO L290 TraceCheckUtils]: 19: Hoare triple {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,943 INFO L290 TraceCheckUtils]: 20: Hoare triple {21676#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {21707#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,943 INFO L290 TraceCheckUtils]: 21: Hoare triple {21707#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {21711#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:50,944 INFO L290 TraceCheckUtils]: 22: Hoare triple {21711#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {21711#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:50,945 INFO L290 TraceCheckUtils]: 23: Hoare triple {21711#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {21718#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.base|))))} is VALID [2022-02-20 23:55:50,951 INFO L290 TraceCheckUtils]: 24: Hoare triple {21718#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.base|))))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {21722#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~item~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,953 INFO L290 TraceCheckUtils]: 25: Hoare triple {21722#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~item~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {21726#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~item~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,954 INFO L290 TraceCheckUtils]: 26: Hoare triple {21726#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~item~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(0 == main_~status~0#1); {21726#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~item~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,955 INFO L290 TraceCheckUtils]: 27: Hoare triple {21726#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~item~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 1 == main_~status~0#1; {21726#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~item~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,956 INFO L290 TraceCheckUtils]: 28: Hoare triple {21726#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~item~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~int(2, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1015 {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,957 INFO L290 TraceCheckUtils]: 29: Hoare triple {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~status~0#1 := 2; {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,957 INFO L290 TraceCheckUtils]: 30: Hoare triple {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,958 INFO L290 TraceCheckUtils]: 31: Hoare triple {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,958 INFO L290 TraceCheckUtils]: 32: Hoare triple {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,959 INFO L290 TraceCheckUtils]: 33: Hoare triple {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,959 INFO L290 TraceCheckUtils]: 34: Hoare triple {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,959 INFO L290 TraceCheckUtils]: 35: Hoare triple {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,960 INFO L290 TraceCheckUtils]: 36: Hoare triple {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,960 INFO L290 TraceCheckUtils]: 37: Hoare triple {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,961 INFO L290 TraceCheckUtils]: 38: Hoare triple {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(1 == main_~status~0#1); {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,961 INFO L290 TraceCheckUtils]: 39: Hoare triple {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 2 == main_~status~0#1; {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,962 INFO L290 TraceCheckUtils]: 40: Hoare triple {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,962 INFO L290 TraceCheckUtils]: 41: Hoare triple {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:50,962 INFO L290 TraceCheckUtils]: 42: Hoare triple {21736#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1037-4 {21637#(not (= |ULTIMATE.start_main_#t~mem6#1.base| 0))} is VALID [2022-02-20 23:55:50,963 INFO L290 TraceCheckUtils]: 43: Hoare triple {21637#(not (= |ULTIMATE.start_main_#t~mem6#1.base| 0))} assume !(main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0);havoc main_#t~mem6#1.base, main_#t~mem6#1.offset; {21622#false} is VALID [2022-02-20 23:55:50,963 INFO L290 TraceCheckUtils]: 44: Hoare triple {21622#false} assume !false; {21622#false} is VALID [2022-02-20 23:55:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:50,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:51,013 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1003 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1003) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0))) is different from false [2022-02-20 23:55:51,029 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1003 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_1003) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0))) is different from false [2022-02-20 23:55:51,036 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1003 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1003) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0))) is different from false [2022-02-20 23:55:51,059 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |c_ULTIMATE.start_main_#t~malloc3#1.base|)) |c_ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_1003) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0))) is different from false [2022-02-20 23:55:51,517 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:51,517 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 23:55:51,532 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (let ((.cse0 (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|))) (or (not (= (select |c_#valid| .cse0) 0)) (not (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base| v_arrayElimArr_14) .cse0 v_ArrVal_1003) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0))))) is different from false [2022-02-20 23:55:51,609 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (let ((.cse0 (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|))) (or (not (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_14) .cse0 v_ArrVal_1003) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select |c_#valid| .cse0) 0))))) is different from false [2022-02-20 23:55:51,641 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~item~0#1.offset_68| Int) (v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int))) (let ((.cse0 (select v_arrayElimArr_14 |v_ULTIMATE.start_main_~item~0#1.offset_68|))) (or (not (= 0 (select |c_#valid| .cse0))) (not (= (select (select (store (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) v_arrayElimArr_14) .cse0 v_ArrVal_1003) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0))))) is different from false [2022-02-20 23:55:51,717 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:51,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 25 [2022-02-20 23:55:51,736 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:51,737 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 76 [2022-02-20 23:55:51,752 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:51,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 65 [2022-02-20 23:55:51,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2022-02-20 23:55:51,809 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:55:51,809 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-02-20 23:55:52,111 INFO L290 TraceCheckUtils]: 44: Hoare triple {21622#false} assume !false; {21622#false} is VALID [2022-02-20 23:55:52,111 INFO L290 TraceCheckUtils]: 43: Hoare triple {21637#(not (= |ULTIMATE.start_main_#t~mem6#1.base| 0))} assume !(main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0);havoc main_#t~mem6#1.base, main_#t~mem6#1.offset; {21622#false} is VALID [2022-02-20 23:55:52,112 INFO L290 TraceCheckUtils]: 42: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1037-4 {21637#(not (= |ULTIMATE.start_main_#t~mem6#1.base| 0))} is VALID [2022-02-20 23:55:52,112 INFO L290 TraceCheckUtils]: 41: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:52,112 INFO L290 TraceCheckUtils]: 40: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:52,113 INFO L290 TraceCheckUtils]: 39: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 2 == main_~status~0#1; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:52,113 INFO L290 TraceCheckUtils]: 38: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(1 == main_~status~0#1); {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:52,113 INFO L290 TraceCheckUtils]: 37: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:52,113 INFO L290 TraceCheckUtils]: 36: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:52,114 INFO L290 TraceCheckUtils]: 35: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:52,123 INFO L290 TraceCheckUtils]: 34: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:52,124 INFO L290 TraceCheckUtils]: 33: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:52,124 INFO L290 TraceCheckUtils]: 32: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:52,125 INFO L290 TraceCheckUtils]: 31: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:52,125 INFO L290 TraceCheckUtils]: 30: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:52,125 INFO L290 TraceCheckUtils]: 29: Hoare triple {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~status~0#1 := 2; {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:52,126 INFO L290 TraceCheckUtils]: 28: Hoare triple {21833#(forall ((v_ArrVal_1003 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call write~int(2, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1015 {21636#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:52,127 INFO L290 TraceCheckUtils]: 27: Hoare triple {21833#(forall ((v_ArrVal_1003 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume 1 == main_~status~0#1; {21833#(forall ((v_ArrVal_1003 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:52,127 INFO L290 TraceCheckUtils]: 26: Hoare triple {21833#(forall ((v_ArrVal_1003 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !(0 == main_~status~0#1); {21833#(forall ((v_ArrVal_1003 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:52,129 WARN L290 TraceCheckUtils]: 25: Hoare triple {21833#(forall ((v_ArrVal_1003 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {21833#(forall ((v_ArrVal_1003 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is UNKNOWN [2022-02-20 23:55:52,130 INFO L290 TraceCheckUtils]: 24: Hoare triple {21846#(forall ((v_ArrVal_1003 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {21833#(forall ((v_ArrVal_1003 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:52,130 INFO L290 TraceCheckUtils]: 23: Hoare triple {21850#(forall ((v_ArrVal_1003 (Array Int Int))) (not (= 0 (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {21846#(forall ((v_ArrVal_1003 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:52,131 INFO L290 TraceCheckUtils]: 22: Hoare triple {21850#(forall ((v_ArrVal_1003 (Array Int Int))) (not (= 0 (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {21850#(forall ((v_ArrVal_1003 (Array Int Int))) (not (= 0 (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:52,132 INFO L290 TraceCheckUtils]: 21: Hoare triple {21857#(forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |ULTIMATE.start_main_#t~malloc3#1.base|)) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {21850#(forall ((v_ArrVal_1003 (Array Int Int))) (not (= 0 (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:55:52,132 INFO L290 TraceCheckUtils]: 20: Hoare triple {21861#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|))) (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_25| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {21857#(forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |ULTIMATE.start_main_#t~malloc3#1.base|)) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:52,133 INFO L290 TraceCheckUtils]: 19: Hoare triple {21861#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|))) (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_25| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21861#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|))) (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_25| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))))} is VALID [2022-02-20 23:55:52,134 INFO L290 TraceCheckUtils]: 18: Hoare triple {21861#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|))) (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_25| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))))} goto; {21861#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|))) (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_25| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))))} is VALID [2022-02-20 23:55:52,134 INFO L290 TraceCheckUtils]: 17: Hoare triple {21861#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|))) (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_25| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {21861#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|))) (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_25| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))))} is VALID [2022-02-20 23:55:52,135 INFO L290 TraceCheckUtils]: 16: Hoare triple {21861#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|))) (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_25| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))))} goto; {21861#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|))) (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_25| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))))} is VALID [2022-02-20 23:55:52,135 INFO L290 TraceCheckUtils]: 15: Hoare triple {21861#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|))) (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_25| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {21861#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|))) (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_25| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))))} is VALID [2022-02-20 23:55:52,136 INFO L290 TraceCheckUtils]: 14: Hoare triple {21861#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|))) (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_25| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))))} main_~status~0#1 := 1; {21861#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|))) (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_25| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))))} is VALID [2022-02-20 23:55:52,137 INFO L290 TraceCheckUtils]: 13: Hoare triple {21883#(forall ((v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|)) 0)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_arrayElimArr_14) (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {21861#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|))) (forall ((v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_25| v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))))} is VALID [2022-02-20 23:55:52,137 INFO L290 TraceCheckUtils]: 12: Hoare triple {21883#(forall ((v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|)) 0)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_arrayElimArr_14) (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} assume 0 == main_~status~0#1; {21883#(forall ((v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|)) 0)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_arrayElimArr_14) (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} is VALID [2022-02-20 23:55:52,140 WARN L290 TraceCheckUtils]: 11: Hoare triple {21883#(forall ((v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|)) 0)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_arrayElimArr_14) (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {21883#(forall ((v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|)) 0)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_arrayElimArr_14) (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} is UNKNOWN [2022-02-20 23:55:52,140 INFO L290 TraceCheckUtils]: 10: Hoare triple {21893#(forall ((v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_14) (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select |#valid| (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|)) 0))))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {21883#(forall ((v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (not (= (select |#valid| (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|)) 0)) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_arrayElimArr_14) (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} is VALID [2022-02-20 23:55:52,141 INFO L290 TraceCheckUtils]: 9: Hoare triple {21897#(forall ((|v_ULTIMATE.start_main_~item~0#1.offset_68| Int) (v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int))) (or (not (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_arrayElimArr_14) (select v_arrayElimArr_14 |v_ULTIMATE.start_main_~item~0#1.offset_68|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select |#valid| (select v_arrayElimArr_14 |v_ULTIMATE.start_main_~item~0#1.offset_68|)) 0))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {21893#(forall ((v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int)) (|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_14) (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select |#valid| (select v_arrayElimArr_14 |ULTIMATE.start_main_~item~0#1.offset|)) 0))))} is VALID [2022-02-20 23:55:52,142 INFO L290 TraceCheckUtils]: 8: Hoare triple {21897#(forall ((|v_ULTIMATE.start_main_~item~0#1.offset_68| Int) (v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int))) (or (not (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_arrayElimArr_14) (select v_arrayElimArr_14 |v_ULTIMATE.start_main_~item~0#1.offset_68|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select |#valid| (select v_arrayElimArr_14 |v_ULTIMATE.start_main_~item~0#1.offset_68|)) 0))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {21897#(forall ((|v_ULTIMATE.start_main_~item~0#1.offset_68| Int) (v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int))) (or (not (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_arrayElimArr_14) (select v_arrayElimArr_14 |v_ULTIMATE.start_main_~item~0#1.offset_68|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select |#valid| (select v_arrayElimArr_14 |v_ULTIMATE.start_main_~item~0#1.offset_68|)) 0))))} is VALID [2022-02-20 23:55:52,143 INFO L290 TraceCheckUtils]: 7: Hoare triple {21904#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| 0)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {21897#(forall ((|v_ULTIMATE.start_main_~item~0#1.offset_68| Int) (v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_1003 (Array Int Int))) (or (not (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_arrayElimArr_14) (select v_arrayElimArr_14 |v_ULTIMATE.start_main_~item~0#1.offset_68|) v_ArrVal_1003) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select |#valid| (select v_arrayElimArr_14 |v_ULTIMATE.start_main_~item~0#1.offset_68|)) 0))))} is VALID [2022-02-20 23:55:52,144 INFO L290 TraceCheckUtils]: 6: Hoare triple {21908#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_27| Int)) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_27| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |v_ULTIMATE.start_main_#t~malloc3#1.base_27| 0) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_27|)))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {21904#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| 0)))} is VALID [2022-02-20 23:55:52,145 INFO L290 TraceCheckUtils]: 5: Hoare triple {21908#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_27| Int)) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_27| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |v_ULTIMATE.start_main_#t~malloc3#1.base_27| 0) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_27|)))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21908#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_27| Int)) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_27| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |v_ULTIMATE.start_main_#t~malloc3#1.base_27| 0) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_27|)))))} is VALID [2022-02-20 23:55:52,145 INFO L290 TraceCheckUtils]: 4: Hoare triple {21915#(or (= |ULTIMATE.start_main_~head~0#1.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {21908#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_27| Int)) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_27| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |v_ULTIMATE.start_main_#t~malloc3#1.base_27| 0) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_27|)))))} is VALID [2022-02-20 23:55:52,146 INFO L290 TraceCheckUtils]: 3: Hoare triple {21915#(or (= |ULTIMATE.start_main_~head~0#1.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {21915#(or (= |ULTIMATE.start_main_~head~0#1.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:52,146 INFO L290 TraceCheckUtils]: 2: Hoare triple {21915#(or (= |ULTIMATE.start_main_~head~0#1.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {21915#(or (= |ULTIMATE.start_main_~head~0#1.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:52,147 INFO L290 TraceCheckUtils]: 1: Hoare triple {21621#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {21915#(or (= |ULTIMATE.start_main_~head~0#1.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:55:52,147 INFO L290 TraceCheckUtils]: 0: Hoare triple {21621#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {21621#true} is VALID [2022-02-20 23:55:52,152 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2022-02-20 23:55:52,152 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221677751] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:52,152 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:52,152 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 40 [2022-02-20 23:55:52,153 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085356650] [2022-02-20 23:55:52,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:52,153 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 2.875) internal successors, (115), 40 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-02-20 23:55:52,153 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:52,154 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 40 states, 40 states have (on average 2.875) internal successors, (115), 40 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:52,258 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 115 edges. 112 inductive. 0 not inductive. 3 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:52,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-02-20 23:55:52,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:52,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-02-20 23:55:52,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=925, Unknown=7, NotChecked=476, Total=1560 [2022-02-20 23:55:52,259 INFO L87 Difference]: Start difference. First operand 269 states and 304 transitions. Second operand has 40 states, 40 states have (on average 2.875) internal successors, (115), 40 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:55,135 INFO L93 Difference]: Finished difference Result 336 states and 377 transitions. [2022-02-20 23:55:55,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-20 23:55:55,135 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 2.875) internal successors, (115), 40 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-02-20 23:55:55,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:55,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 2.875) internal successors, (115), 40 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 231 transitions. [2022-02-20 23:55:55,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 2.875) internal successors, (115), 40 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 231 transitions. [2022-02-20 23:55:55,137 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 231 transitions. [2022-02-20 23:55:55,293 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 231 edges. 231 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:55,297 INFO L225 Difference]: With dead ends: 336 [2022-02-20 23:55:55,297 INFO L226 Difference]: Without dead ends: 336 [2022-02-20 23:55:55,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 71 SyntacticMatches, 5 SemanticMatches, 53 ConstructedPredicates, 7 IntricatePredicates, 1 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=395, Invalid=1882, Unknown=7, NotChecked=686, Total=2970 [2022-02-20 23:55:55,298 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 433 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 1487 SdHoareTripleChecker+Invalid, 2554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1363 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:55,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [433 Valid, 1487 Invalid, 2554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1113 Invalid, 0 Unknown, 1363 Unchecked, 0.8s Time] [2022-02-20 23:55:55,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-02-20 23:55:55,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 292. [2022-02-20 23:55:55,302 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:55,302 INFO L82 GeneralOperation]: Start isEquivalent. First operand 336 states. Second operand has 292 states, 260 states have (on average 1.2615384615384615) internal successors, (328), 291 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,302 INFO L74 IsIncluded]: Start isIncluded. First operand 336 states. Second operand has 292 states, 260 states have (on average 1.2615384615384615) internal successors, (328), 291 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,302 INFO L87 Difference]: Start difference. First operand 336 states. Second operand has 292 states, 260 states have (on average 1.2615384615384615) internal successors, (328), 291 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:55,309 INFO L93 Difference]: Finished difference Result 336 states and 377 transitions. [2022-02-20 23:55:55,309 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 377 transitions. [2022-02-20 23:55:55,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:55,309 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:55,310 INFO L74 IsIncluded]: Start isIncluded. First operand has 292 states, 260 states have (on average 1.2615384615384615) internal successors, (328), 291 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 336 states. [2022-02-20 23:55:55,310 INFO L87 Difference]: Start difference. First operand has 292 states, 260 states have (on average 1.2615384615384615) internal successors, (328), 291 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 336 states. [2022-02-20 23:55:55,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:55,314 INFO L93 Difference]: Finished difference Result 336 states and 377 transitions. [2022-02-20 23:55:55,315 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 377 transitions. [2022-02-20 23:55:55,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:55,315 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:55,315 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:55,315 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:55,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 260 states have (on average 1.2615384615384615) internal successors, (328), 291 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 328 transitions. [2022-02-20 23:55:55,319 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 328 transitions. Word has length 45 [2022-02-20 23:55:55,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:55,319 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 328 transitions. [2022-02-20 23:55:55,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.875) internal successors, (115), 40 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 328 transitions. [2022-02-20 23:55:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-02-20 23:55:55,320 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:55,320 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:55,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:55,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-02-20 23:55:55,528 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:55,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:55,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1983636472, now seen corresponding path program 1 times [2022-02-20 23:55:55,530 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:55,530 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352986792] [2022-02-20 23:55:55,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:55,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:55,686 INFO L290 TraceCheckUtils]: 0: Hoare triple {23263#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {23263#true} is VALID [2022-02-20 23:55:55,686 INFO L290 TraceCheckUtils]: 1: Hoare triple {23263#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {23263#true} is VALID [2022-02-20 23:55:55,686 INFO L290 TraceCheckUtils]: 2: Hoare triple {23263#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {23265#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:55,687 INFO L290 TraceCheckUtils]: 3: Hoare triple {23265#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {23265#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:55,687 INFO L290 TraceCheckUtils]: 4: Hoare triple {23265#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {23266#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:55,687 INFO L290 TraceCheckUtils]: 5: Hoare triple {23266#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {23266#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:55,688 INFO L290 TraceCheckUtils]: 6: Hoare triple {23266#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {23267#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:55,689 INFO L290 TraceCheckUtils]: 7: Hoare triple {23267#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {23268#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:55,689 INFO L290 TraceCheckUtils]: 8: Hoare triple {23268#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {23268#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:55,690 INFO L290 TraceCheckUtils]: 9: Hoare triple {23268#(and (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {23269#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:55,690 INFO L290 TraceCheckUtils]: 10: Hoare triple {23269#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {23270#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:55,690 INFO L290 TraceCheckUtils]: 11: Hoare triple {23270#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {23270#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:55,691 INFO L290 TraceCheckUtils]: 12: Hoare triple {23270#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 == main_~status~0#1; {23270#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:55,691 INFO L290 TraceCheckUtils]: 13: Hoare triple {23270#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,692 INFO L290 TraceCheckUtils]: 14: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} main_~status~0#1 := 1; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,692 INFO L290 TraceCheckUtils]: 15: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,692 INFO L290 TraceCheckUtils]: 16: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} goto; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,692 INFO L290 TraceCheckUtils]: 17: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,693 INFO L290 TraceCheckUtils]: 18: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} goto; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,693 INFO L290 TraceCheckUtils]: 19: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,693 INFO L290 TraceCheckUtils]: 20: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,693 INFO L290 TraceCheckUtils]: 21: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,694 INFO L290 TraceCheckUtils]: 22: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} goto; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,694 INFO L290 TraceCheckUtils]: 23: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume 1 == main_~status~0#1; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,694 INFO L290 TraceCheckUtils]: 24: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,694 INFO L290 TraceCheckUtils]: 25: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} goto; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,695 INFO L290 TraceCheckUtils]: 26: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,695 INFO L290 TraceCheckUtils]: 27: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,695 INFO L290 TraceCheckUtils]: 28: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} goto; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,696 INFO L290 TraceCheckUtils]: 29: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !(2 == main_~status~0#1); {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,696 INFO L290 TraceCheckUtils]: 30: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !(3 == main_~status~0#1); {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,696 INFO L290 TraceCheckUtils]: 31: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,696 INFO L290 TraceCheckUtils]: 32: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,697 INFO L290 TraceCheckUtils]: 33: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,697 INFO L290 TraceCheckUtils]: 34: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,697 INFO L290 TraceCheckUtils]: 35: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,697 INFO L290 TraceCheckUtils]: 36: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:55,707 INFO L290 TraceCheckUtils]: 37: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {23272#(= |ULTIMATE.start_main_#t~mem25#1.offset| 0)} is VALID [2022-02-20 23:55:55,708 INFO L290 TraceCheckUtils]: 38: Hoare triple {23272#(= |ULTIMATE.start_main_#t~mem25#1.offset| 0)} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:55,708 INFO L290 TraceCheckUtils]: 39: Hoare triple {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume 0 == main_~item~0#1.offset; {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:55,708 INFO L290 TraceCheckUtils]: 40: Hoare triple {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume main_~item~0#1.base < #StackHeapBarrier; {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:55,709 INFO L290 TraceCheckUtils]: 41: Hoare triple {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:55,709 INFO L290 TraceCheckUtils]: 42: Hoare triple {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} is VALID [2022-02-20 23:55:55,709 INFO L290 TraceCheckUtils]: 43: Hoare triple {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} is VALID [2022-02-20 23:55:55,710 INFO L290 TraceCheckUtils]: 44: Hoare triple {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} is VALID [2022-02-20 23:55:55,710 INFO L290 TraceCheckUtils]: 45: Hoare triple {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} assume !(0 == main_~item~0#1.offset); {23264#false} is VALID [2022-02-20 23:55:55,710 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:55,710 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:55,710 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352986792] [2022-02-20 23:55:55,710 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352986792] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:55,710 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639979163] [2022-02-20 23:55:55,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:55,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:55,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:55,712 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:55,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-20 23:55:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:55,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 38 conjunts are in the unsatisfiable core [2022-02-20 23:55:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:55,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:55,835 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:55:55,913 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:55,913 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:55:55,964 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:55,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:56,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2022-02-20 23:55:56,080 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 23:55:56,124 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 23:55:56,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:55:56,319 INFO L290 TraceCheckUtils]: 0: Hoare triple {23263#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {23263#true} is VALID [2022-02-20 23:55:56,320 INFO L290 TraceCheckUtils]: 1: Hoare triple {23263#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {23281#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:56,320 INFO L290 TraceCheckUtils]: 2: Hoare triple {23281#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {23281#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:56,321 INFO L290 TraceCheckUtils]: 3: Hoare triple {23281#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {23281#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:56,321 INFO L290 TraceCheckUtils]: 4: Hoare triple {23281#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {23291#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:56,322 INFO L290 TraceCheckUtils]: 5: Hoare triple {23291#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {23291#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:56,322 INFO L290 TraceCheckUtils]: 6: Hoare triple {23291#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {23298#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:56,323 INFO L290 TraceCheckUtils]: 7: Hoare triple {23298#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {23302#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:56,323 INFO L290 TraceCheckUtils]: 8: Hoare triple {23302#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {23302#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:56,324 INFO L290 TraceCheckUtils]: 9: Hoare triple {23302#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {23309#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,324 INFO L290 TraceCheckUtils]: 10: Hoare triple {23309#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {23313#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,325 INFO L290 TraceCheckUtils]: 11: Hoare triple {23313#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {23313#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,325 INFO L290 TraceCheckUtils]: 12: Hoare triple {23313#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 == main_~status~0#1; {23313#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,326 INFO L290 TraceCheckUtils]: 13: Hoare triple {23313#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,326 INFO L290 TraceCheckUtils]: 14: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~status~0#1 := 1; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,327 INFO L290 TraceCheckUtils]: 15: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,327 INFO L290 TraceCheckUtils]: 16: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,327 INFO L290 TraceCheckUtils]: 17: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,328 INFO L290 TraceCheckUtils]: 18: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,328 INFO L290 TraceCheckUtils]: 19: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,328 INFO L290 TraceCheckUtils]: 20: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,329 INFO L290 TraceCheckUtils]: 21: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,329 INFO L290 TraceCheckUtils]: 22: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,329 INFO L290 TraceCheckUtils]: 23: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 1 == main_~status~0#1; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,330 INFO L290 TraceCheckUtils]: 24: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,330 INFO L290 TraceCheckUtils]: 25: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,330 INFO L290 TraceCheckUtils]: 26: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,331 INFO L290 TraceCheckUtils]: 27: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,331 INFO L290 TraceCheckUtils]: 28: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,331 INFO L290 TraceCheckUtils]: 29: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(2 == main_~status~0#1); {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,332 INFO L290 TraceCheckUtils]: 30: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(3 == main_~status~0#1); {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,332 INFO L290 TraceCheckUtils]: 31: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {23378#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_#t~mem19#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,333 INFO L290 TraceCheckUtils]: 32: Hoare triple {23378#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_#t~mem19#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,333 INFO L290 TraceCheckUtils]: 33: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,333 INFO L290 TraceCheckUtils]: 34: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,334 INFO L290 TraceCheckUtils]: 35: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,334 INFO L290 TraceCheckUtils]: 36: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,335 INFO L290 TraceCheckUtils]: 37: Hoare triple {23323#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {23272#(= |ULTIMATE.start_main_#t~mem25#1.offset| 0)} is VALID [2022-02-20 23:55:56,335 INFO L290 TraceCheckUtils]: 38: Hoare triple {23272#(= |ULTIMATE.start_main_#t~mem25#1.offset| 0)} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:56,335 INFO L290 TraceCheckUtils]: 39: Hoare triple {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume 0 == main_~item~0#1.offset; {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:56,335 INFO L290 TraceCheckUtils]: 40: Hoare triple {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume main_~item~0#1.base < #StackHeapBarrier; {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:56,336 INFO L290 TraceCheckUtils]: 41: Hoare triple {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:56,336 INFO L290 TraceCheckUtils]: 42: Hoare triple {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} is VALID [2022-02-20 23:55:56,336 INFO L290 TraceCheckUtils]: 43: Hoare triple {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} is VALID [2022-02-20 23:55:56,336 INFO L290 TraceCheckUtils]: 44: Hoare triple {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} is VALID [2022-02-20 23:55:56,337 INFO L290 TraceCheckUtils]: 45: Hoare triple {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} assume !(0 == main_~item~0#1.offset); {23264#false} is VALID [2022-02-20 23:55:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:56,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:56,425 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1080) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0)) is different from false [2022-02-20 23:55:56,439 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_1080) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0)) is different from false [2022-02-20 23:55:56,444 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1080) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0)) is different from false [2022-02-20 23:55:56,456 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:56,457 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2022-02-20 23:55:56,471 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:56,471 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2022-02-20 23:55:56,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-02-20 23:55:56,602 INFO L290 TraceCheckUtils]: 45: Hoare triple {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} assume !(0 == main_~item~0#1.offset); {23264#false} is VALID [2022-02-20 23:55:56,603 INFO L290 TraceCheckUtils]: 44: Hoare triple {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} is VALID [2022-02-20 23:55:56,603 INFO L290 TraceCheckUtils]: 43: Hoare triple {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} is VALID [2022-02-20 23:55:56,603 INFO L290 TraceCheckUtils]: 42: Hoare triple {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23274#(= |ULTIMATE.start_main_~item~0#1.offset| 0)} is VALID [2022-02-20 23:55:56,603 INFO L290 TraceCheckUtils]: 41: Hoare triple {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume 0 == main_~item~0#1.base || 1 == #valid[main_~item~0#1.base];call ULTIMATE.dealloc(main_~item~0#1.base, main_~item~0#1.offset); {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:56,604 INFO L290 TraceCheckUtils]: 40: Hoare triple {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume main_~item~0#1.base < #StackHeapBarrier; {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:56,604 INFO L290 TraceCheckUtils]: 39: Hoare triple {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume 0 == main_~item~0#1.offset; {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:56,604 INFO L290 TraceCheckUtils]: 38: Hoare triple {23272#(= |ULTIMATE.start_main_#t~mem25#1.offset| 0)} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem25#1.base, main_#t~mem25#1.offset;havoc main_#t~mem25#1.base, main_#t~mem25#1.offset; {23273#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:56,605 INFO L290 TraceCheckUtils]: 37: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1061 {23272#(= |ULTIMATE.start_main_#t~mem25#1.offset| 0)} is VALID [2022-02-20 23:55:56,605 INFO L290 TraceCheckUtils]: 36: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0);main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,605 INFO L290 TraceCheckUtils]: 35: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !main_#t~short21#1;havoc main_#t~nondet20#1;havoc main_#t~short21#1; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,606 INFO L290 TraceCheckUtils]: 34: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume main_#t~short21#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~nondet20#1; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,606 INFO L290 TraceCheckUtils]: 33: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} main_#t~short21#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,606 INFO L290 TraceCheckUtils]: 32: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,606 INFO L290 TraceCheckUtils]: 31: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} SUMMARY for call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040 {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,607 INFO L290 TraceCheckUtils]: 30: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !(3 == main_~status~0#1); {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,607 INFO L290 TraceCheckUtils]: 29: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !(2 == main_~status~0#1); {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,607 INFO L290 TraceCheckUtils]: 28: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} goto; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,607 INFO L290 TraceCheckUtils]: 27: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !!(main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0);havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,608 INFO L290 TraceCheckUtils]: 26: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1032-4 {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,608 INFO L290 TraceCheckUtils]: 25: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} goto; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,608 INFO L290 TraceCheckUtils]: 24: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,608 INFO L290 TraceCheckUtils]: 23: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume 1 == main_~status~0#1; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,609 INFO L290 TraceCheckUtils]: 22: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} goto; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,609 INFO L290 TraceCheckUtils]: 21: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,609 INFO L290 TraceCheckUtils]: 20: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,610 INFO L290 TraceCheckUtils]: 19: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,610 INFO L290 TraceCheckUtils]: 18: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} goto; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,610 INFO L290 TraceCheckUtils]: 17: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,610 INFO L290 TraceCheckUtils]: 16: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} goto; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,611 INFO L290 TraceCheckUtils]: 15: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,611 INFO L290 TraceCheckUtils]: 14: Hoare triple {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} main_~status~0#1 := 1; {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,612 INFO L290 TraceCheckUtils]: 13: Hoare triple {23517#(forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1080) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~item~0#1.base, 4 + main_~item~0#1.offset, 4); srcloc: L1010 {23271#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:55:56,612 INFO L290 TraceCheckUtils]: 12: Hoare triple {23517#(forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1080) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 == main_~status~0#1; {23517#(forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1080) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,614 WARN L290 TraceCheckUtils]: 11: Hoare triple {23517#(forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1080) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {23517#(forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1080) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is UNKNOWN [2022-02-20 23:55:56,614 INFO L290 TraceCheckUtils]: 10: Hoare triple {23527#(forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_1080) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {23517#(forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_1080) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,615 INFO L290 TraceCheckUtils]: 9: Hoare triple {23531#(forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1080) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1005 {23527#(forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_1080) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,615 INFO L290 TraceCheckUtils]: 8: Hoare triple {23531#(forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1080) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {23531#(forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1080) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,616 INFO L290 TraceCheckUtils]: 7: Hoare triple {23267#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1004 {23531#(forall ((v_ArrVal_1080 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_1080) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:56,616 INFO L290 TraceCheckUtils]: 6: Hoare triple {23541#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_30| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_30| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_30|) 0))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {23267#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:56,617 INFO L290 TraceCheckUtils]: 5: Hoare triple {23541#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_30| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_30| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_30|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {23541#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_30| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_30| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_30|) 0))))} is VALID [2022-02-20 23:55:56,617 INFO L290 TraceCheckUtils]: 4: Hoare triple {23548#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {23541#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_30| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_30| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_30|) 0))))} is VALID [2022-02-20 23:55:56,618 INFO L290 TraceCheckUtils]: 3: Hoare triple {23548#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {23548#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:56,618 INFO L290 TraceCheckUtils]: 2: Hoare triple {23548#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {23548#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:56,618 INFO L290 TraceCheckUtils]: 1: Hoare triple {23263#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet2#1, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet20#1, main_#t~short21#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~item~0#1.base, main_~item~0#1.offset, main_~status~0#1;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {23548#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:55:56,619 INFO L290 TraceCheckUtils]: 0: Hoare triple {23263#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(14, 2); {23263#true} is VALID [2022-02-20 23:55:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:56,619 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639979163] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:56,619 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:56,619 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 11] total 24 [2022-02-20 23:55:56,619 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343388486] [2022-02-20 23:55:56,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:56,619 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 4.0) internal successors, (96), 25 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-02-20 23:55:56,620 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:56,620 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 25 states, 24 states have (on average 4.0) internal successors, (96), 25 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:56,690 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 96 edges. 95 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:56,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-20 23:55:56,691 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:56,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-20 23:55:56,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=385, Unknown=3, NotChecked=126, Total=600 [2022-02-20 23:55:56,691 INFO L87 Difference]: Start difference. First operand 292 states and 328 transitions. Second operand has 25 states, 24 states have (on average 4.0) internal successors, (96), 25 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:58,014 INFO L93 Difference]: Finished difference Result 303 states and 334 transitions. [2022-02-20 23:55:58,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 23:55:58,014 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 4.0) internal successors, (96), 25 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-02-20 23:55:58,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:58,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 4.0) internal successors, (96), 25 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 223 transitions. [2022-02-20 23:55:58,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 4.0) internal successors, (96), 25 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 223 transitions. [2022-02-20 23:55:58,016 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 223 transitions. [2022-02-20 23:55:58,163 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 223 edges. 223 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:58,166 INFO L225 Difference]: With dead ends: 303 [2022-02-20 23:55:58,166 INFO L226 Difference]: Without dead ends: 303 [2022-02-20 23:55:58,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 79 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=240, Invalid=824, Unknown=4, NotChecked=192, Total=1260 [2022-02-20 23:55:58,167 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 568 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 520 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:58,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [568 Valid, 823 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 517 Invalid, 0 Unknown, 520 Unchecked, 0.4s Time] [2022-02-20 23:55:58,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2022-02-20 23:55:58,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 294. [2022-02-20 23:55:58,176 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:58,176 INFO L82 GeneralOperation]: Start isEquivalent. First operand 303 states. Second operand has 294 states, 262 states have (on average 1.2595419847328244) internal successors, (330), 293 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,177 INFO L74 IsIncluded]: Start isIncluded. First operand 303 states. Second operand has 294 states, 262 states have (on average 1.2595419847328244) internal successors, (330), 293 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,177 INFO L87 Difference]: Start difference. First operand 303 states. Second operand has 294 states, 262 states have (on average 1.2595419847328244) internal successors, (330), 293 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:58,181 INFO L93 Difference]: Finished difference Result 303 states and 334 transitions. [2022-02-20 23:55:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 334 transitions. [2022-02-20 23:55:58,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:58,181 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:58,181 INFO L74 IsIncluded]: Start isIncluded. First operand has 294 states, 262 states have (on average 1.2595419847328244) internal successors, (330), 293 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 303 states. [2022-02-20 23:55:58,182 INFO L87 Difference]: Start difference. First operand has 294 states, 262 states have (on average 1.2595419847328244) internal successors, (330), 293 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 303 states. [2022-02-20 23:55:58,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:58,185 INFO L93 Difference]: Finished difference Result 303 states and 334 transitions. [2022-02-20 23:55:58,186 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 334 transitions. [2022-02-20 23:55:58,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:58,186 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:58,186 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:58,186 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:58,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 262 states have (on average 1.2595419847328244) internal successors, (330), 293 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 330 transitions. [2022-02-20 23:55:58,190 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 330 transitions. Word has length 46 [2022-02-20 23:55:58,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:58,190 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 330 transitions. [2022-02-20 23:55:58,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 4.0) internal successors, (96), 25 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,190 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 330 transitions. [2022-02-20 23:55:58,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-02-20 23:55:58,191 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:58,191 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:58,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:58,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-02-20 23:55:58,408 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 66 more)] === [2022-02-20 23:55:58,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:58,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1363188935, now seen corresponding path program 1 times [2022-02-20 23:55:58,409 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:58,409 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711916680] [2022-02-20 23:55:58,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:58,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:58,443 ERROR L253 erpolLogProxyWrapper]: Interpolant 9 not inductive [2022-02-20 23:55:58,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-20 23:55:58,454 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:233) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:879) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:803) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:284) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:216) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-02-20 23:55:58,460 INFO L158 Benchmark]: Toolchain (without parser) took 59090.33ms. Allocated memory was 90.2MB in the beginning and 207.6MB in the end (delta: 117.4MB). Free memory was 56.6MB in the beginning and 158.3MB in the end (delta: -101.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-02-20 23:55:58,460 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 90.2MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 23:55:58,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.07ms. Allocated memory is still 90.2MB. Free memory was 56.4MB in the beginning and 55.1MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 23:55:58,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.84ms. Allocated memory is still 90.2MB. Free memory was 54.8MB in the beginning and 52.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 23:55:58,461 INFO L158 Benchmark]: Boogie Preprocessor took 43.86ms. Allocated memory is still 90.2MB. Free memory was 52.4MB in the beginning and 49.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 23:55:58,461 INFO L158 Benchmark]: RCFGBuilder took 677.58ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 49.6MB in the beginning and 77.0MB in the end (delta: -27.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-02-20 23:55:58,464 INFO L158 Benchmark]: TraceAbstraction took 57988.85ms. Allocated memory was 117.4MB in the beginning and 207.6MB in the end (delta: 90.2MB). Free memory was 76.4MB in the beginning and 158.3MB in the end (delta: -81.9MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-02-20 23:55:58,466 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 90.2MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.07ms. Allocated memory is still 90.2MB. Free memory was 56.4MB in the beginning and 55.1MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.84ms. Allocated memory is still 90.2MB. Free memory was 54.8MB in the beginning and 52.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.86ms. Allocated memory is still 90.2MB. Free memory was 52.4MB in the beginning and 49.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 677.58ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 49.6MB in the beginning and 77.0MB in the end (delta: -27.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * TraceAbstraction took 57988.85ms. Allocated memory was 117.4MB in the beginning and 207.6MB in the end (delta: 90.2MB). Free memory was 76.4MB in the beginning and 158.3MB in the end (delta: -81.9MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:233) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-20 23:55:58,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/forester-heap/sll-queue-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9a441ad5f70efa202eb02609b90cbc83f5bf4487618c2a09bffcfe320d65f90 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:56:00,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:56:00,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:56:00,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:56:00,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:56:00,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:56:00,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:56:00,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:56:00,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:56:00,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:56:00,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:56:00,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:56:00,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:56:00,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:56:00,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:56:00,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:56:00,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:56:00,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:56:00,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:56:00,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:56:00,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:56:00,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:56:00,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:56:00,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:56:00,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:56:00,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:56:00,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:56:00,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:56:00,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:56:00,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:56:00,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:56:00,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:56:00,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:56:00,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:56:00,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:56:00,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:56:00,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:56:00,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:56:00,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:56:00,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:56:00,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:56:00,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-02-20 23:56:00,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:56:00,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:56:00,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:56:00,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:56:00,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:56:00,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:56:00,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:56:00,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:56:00,415 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:56:00,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:56:00,416 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:56:00,416 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:56:00,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:56:00,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:56:00,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:56:00,417 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:56:00,417 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:56:00,417 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:56:00,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:56:00,417 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:56:00,418 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 23:56:00,418 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 23:56:00,418 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:56:00,418 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:56:00,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:56:00,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:56:00,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:56:00,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:56:00,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:56:00,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:56:00,419 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 23:56:00,419 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 23:56:00,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 23:56:00,420 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9a441ad5f70efa202eb02609b90cbc83f5bf4487618c2a09bffcfe320d65f90 [2022-02-20 23:56:00,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:56:00,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:56:00,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:56:00,749 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:56:00,749 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:56:00,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-queue-1.i [2022-02-20 23:56:00,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7b1137c6/c3b6759a2f7145e8bc4663a4b3561f8b/FLAG795a5bca1 [2022-02-20 23:56:01,199 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:56:01,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i [2022-02-20 23:56:01,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7b1137c6/c3b6759a2f7145e8bc4663a4b3561f8b/FLAG795a5bca1 [2022-02-20 23:56:01,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7b1137c6/c3b6759a2f7145e8bc4663a4b3561f8b [2022-02-20 23:56:01,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:56:01,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:56:01,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:56:01,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:56:01,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:56:01,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:56:01" (1/1) ... [2022-02-20 23:56:01,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3929f20c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:01, skipping insertion in model container [2022-02-20 23:56:01,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:56:01" (1/1) ... [2022-02-20 23:56:01,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:56:01,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:56:01,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22387,22400] [2022-02-20 23:56:01,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22458,22471] [2022-02-20 23:56:01,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22532,22545] [2022-02-20 23:56:01,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22624,22637] [2022-02-20 23:56:01,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22701,22714] [2022-02-20 23:56:01,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22796,22809] [2022-02-20 23:56:01,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22873,22886] [2022-02-20 23:56:01,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22956,22969] [2022-02-20 23:56:01,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23051,23064] [2022-02-20 23:56:01,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23128,23141] [2022-02-20 23:56:01,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23211,23224] [2022-02-20 23:56:01,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23300,23313] [2022-02-20 23:56:01,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23386,23399] [2022-02-20 23:56:01,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23532,23545] [2022-02-20 23:56:01,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:56:01,521 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:56:01,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22387,22400] [2022-02-20 23:56:01,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22458,22471] [2022-02-20 23:56:01,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22532,22545] [2022-02-20 23:56:01,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22624,22637] [2022-02-20 23:56:01,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22701,22714] [2022-02-20 23:56:01,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22796,22809] [2022-02-20 23:56:01,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22873,22886] [2022-02-20 23:56:01,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[22956,22969] [2022-02-20 23:56:01,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23051,23064] [2022-02-20 23:56:01,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23128,23141] [2022-02-20 23:56:01,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23211,23224] [2022-02-20 23:56:01,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23300,23313] [2022-02-20 23:56:01,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23386,23399] [2022-02-20 23:56:01,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-queue-1.i[23532,23545] [2022-02-20 23:56:01,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:56:01,605 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:56:01,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:01 WrapperNode [2022-02-20 23:56:01,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:56:01,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:56:01,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:56:01,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:56:01,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:01" (1/1) ... [2022-02-20 23:56:01,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:01" (1/1) ... [2022-02-20 23:56:01,666 INFO L137 Inliner]: procedures = 122, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 216 [2022-02-20 23:56:01,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:56:01,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:56:01,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:56:01,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:56:01,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:01" (1/1) ... [2022-02-20 23:56:01,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:01" (1/1) ... [2022-02-20 23:56:01,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:01" (1/1) ... [2022-02-20 23:56:01,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:01" (1/1) ... [2022-02-20 23:56:01,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:01" (1/1) ... [2022-02-20 23:56:01,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:01" (1/1) ... [2022-02-20 23:56:01,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:01" (1/1) ... [2022-02-20 23:56:01,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:56:01,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:56:01,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:56:01,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:56:01,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:56:01" (1/1) ... [2022-02-20 23:56:01,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:56:01,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:56:01,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 23:56:01,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process