./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-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/dll-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 c858394bc83ab2c402eb20052f936c0a6aa98b2b6b6c704be79c039778bcff97 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:53:51,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:53:51,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:53:51,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:53:51,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:53:51,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:53:51,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:53:51,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:53:51,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:53:51,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:53:51,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:53:51,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:53:51,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:53:51,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:53:51,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:53:51,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:53:51,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:53:51,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:53:51,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:53:51,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:53:51,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:53:51,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:53:51,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:53:51,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:53:51,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:53:51,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:53:51,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:53:51,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:53:51,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:53:51,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:53:51,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:53:51,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:53:51,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:53:51,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:53:51,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:53:51,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:53:51,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:53:51,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:53:51,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:53:51,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:53:51,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:53:51,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:53:51,762 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:53:51,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:53:51,763 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:53:51,763 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:53:51,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:53:51,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:53:51,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:53:51,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:53:51,765 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:53:51,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:53:51,765 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:53:51,766 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:53:51,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:53:51,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:53:51,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:53:51,766 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:53:51,766 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:53:51,766 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:53:51,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:53:51,767 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:53:51,767 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:53:51,767 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:53:51,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:53:51,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:53:51,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:53:51,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:53:51,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:53:51,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:53:51,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:53:51,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:53:51,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c858394bc83ab2c402eb20052f936c0a6aa98b2b6b6c704be79c039778bcff97 [2022-02-20 23:53:51,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:53:51,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:53:51,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:53:51,950 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:53:51,950 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:53:51,951 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-1.i [2022-02-20 23:53:51,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f5a6731d/082e92a7153840648ae8ab22908e0459/FLAG0343e84b3 [2022-02-20 23:53:52,386 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:53:52,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-1.i [2022-02-20 23:53:52,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f5a6731d/082e92a7153840648ae8ab22908e0459/FLAG0343e84b3 [2022-02-20 23:53:52,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f5a6731d/082e92a7153840648ae8ab22908e0459 [2022-02-20 23:53:52,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:53:52,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:53:52,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:53:52,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:53:52,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:53:52,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:53:52" (1/1) ... [2022-02-20 23:53:52,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc96f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:53:52, skipping insertion in model container [2022-02-20 23:53:52,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:53:52" (1/1) ... [2022-02-20 23:53:52,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:53:52,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:53:52,621 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/dll-queue-1.i[22460,22473] [2022-02-20 23:53:52,624 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/dll-queue-1.i[22531,22544] [2022-02-20 23:53:52,625 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/dll-queue-1.i[22605,22618] [2022-02-20 23:53:52,625 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/dll-queue-1.i[22697,22710] [2022-02-20 23:53:52,626 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/dll-queue-1.i[22774,22787] [2022-02-20 23:53:52,626 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/dll-queue-1.i[22869,22882] [2022-02-20 23:53:52,627 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/dll-queue-1.i[22946,22959] [2022-02-20 23:53:52,628 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/dll-queue-1.i[23029,23042] [2022-02-20 23:53:52,628 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/dll-queue-1.i[23124,23137] [2022-02-20 23:53:52,629 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/dll-queue-1.i[23201,23214] [2022-02-20 23:53:52,629 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/dll-queue-1.i[23284,23297] [2022-02-20 23:53:52,630 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/dll-queue-1.i[23373,23386] [2022-02-20 23:53:52,631 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/dll-queue-1.i[23459,23472] [2022-02-20 23:53:52,632 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/dll-queue-1.i[23604,23617] [2022-02-20 23:53:52,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:53:52,648 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:53:52,698 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/dll-queue-1.i[22460,22473] [2022-02-20 23:53:52,704 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/dll-queue-1.i[22531,22544] [2022-02-20 23:53:52,705 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/dll-queue-1.i[22605,22618] [2022-02-20 23:53:52,712 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/dll-queue-1.i[22697,22710] [2022-02-20 23:53:52,713 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/dll-queue-1.i[22774,22787] [2022-02-20 23:53:52,713 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/dll-queue-1.i[22869,22882] [2022-02-20 23:53:52,714 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/dll-queue-1.i[22946,22959] [2022-02-20 23:53:52,715 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/dll-queue-1.i[23029,23042] [2022-02-20 23:53:52,715 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/dll-queue-1.i[23124,23137] [2022-02-20 23:53:52,716 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/dll-queue-1.i[23201,23214] [2022-02-20 23:53:52,716 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/dll-queue-1.i[23284,23297] [2022-02-20 23:53:52,717 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/dll-queue-1.i[23373,23386] [2022-02-20 23:53:52,719 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/dll-queue-1.i[23459,23472] [2022-02-20 23:53:52,720 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/dll-queue-1.i[23604,23617] [2022-02-20 23:53:52,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:53:52,743 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:53:52,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:53:52 WrapperNode [2022-02-20 23:53:52,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:53:52,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:53:52,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:53:52,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:53:52,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:53:52" (1/1) ... [2022-02-20 23:53:52,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:53:52" (1/1) ... [2022-02-20 23:53:52,791 INFO L137 Inliner]: procedures = 119, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 226 [2022-02-20 23:53:52,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:53:52,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:53:52,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:53:52,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:53:52,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:53:52" (1/1) ... [2022-02-20 23:53:52,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:53:52" (1/1) ... [2022-02-20 23:53:52,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:53:52" (1/1) ... [2022-02-20 23:53:52,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:53:52" (1/1) ... [2022-02-20 23:53:52,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:53:52" (1/1) ... [2022-02-20 23:53:52,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:53:52" (1/1) ... [2022-02-20 23:53:52,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:53:52" (1/1) ... [2022-02-20 23:53:52,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:53:52,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:53:52,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:53:52,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:53:52,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:53:52" (1/1) ... [2022-02-20 23:53:52,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:53:52,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:53:52,864 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 23:53:52,866 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 23:53:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 23:53:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 23:53:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:53:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:53:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:53:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:53:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:53:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:53:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:53:52,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:53:52,970 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:53:52,972 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:53:53,430 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:53:53,436 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:53:53,436 INFO L299 CfgBuilder]: Removed 31 assume(true) statements. [2022-02-20 23:53:53,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:53:53 BoogieIcfgContainer [2022-02-20 23:53:53,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:53:53,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:53:53,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:53:53,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:53:53,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:53:52" (1/3) ... [2022-02-20 23:53:53,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa9dd90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:53:53, skipping insertion in model container [2022-02-20 23:53:53,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:53:52" (2/3) ... [2022-02-20 23:53:53,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa9dd90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:53:53, skipping insertion in model container [2022-02-20 23:53:53,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:53:53" (3/3) ... [2022-02-20 23:53:53,444 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-queue-1.i [2022-02-20 23:53:53,448 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:53:53,448 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2022-02-20 23:53:53,477 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:53:53,481 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 23:53:53,482 INFO L340 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2022-02-20 23:53:53,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 104 states have (on average 2.269230769230769) internal successors, (236), 180 states have internal predecessors, (236), 0 states have call successors, (0), 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 23:53:53,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:53:53,499 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:53,499 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:53:53,499 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:53:53,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:53,503 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2022-02-20 23:53:53,509 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:53,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518857325] [2022-02-20 23:53:53,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:53,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:53,639 INFO L290 TraceCheckUtils]: 0: Hoare triple {184#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); {184#true} is VALID [2022-02-20 23:53:53,641 INFO L290 TraceCheckUtils]: 1: Hoare triple {184#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {186#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:53,642 INFO L290 TraceCheckUtils]: 2: Hoare triple {186#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(1 == #valid[main_~head~0#1.base]); {185#false} is VALID [2022-02-20 23:53:53,643 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 23:53:53,643 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:53,643 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518857325] [2022-02-20 23:53:53,644 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518857325] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:53,644 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:53,644 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:53:53,649 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597210936] [2022-02-20 23:53:53,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:53,653 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 23:53:53,654 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:53,656 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 23:53:53,660 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 23:53:53,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:53:53,660 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:53,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:53:53,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:53:53,687 INFO L87 Difference]: Start difference. First operand has 181 states, 104 states have (on average 2.269230769230769) internal successors, (236), 180 states have internal predecessors, (236), 0 states have call successors, (0), 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 23:53:53,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:53,959 INFO L93 Difference]: Finished difference Result 178 states and 188 transitions. [2022-02-20 23:53:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:53:53,959 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 23:53:53,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:53,960 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 23:53:53,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 246 transitions. [2022-02-20 23:53:53,968 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 23:53:53,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 246 transitions. [2022-02-20 23:53:53,971 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 246 transitions. [2022-02-20 23:53:54,124 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 246 edges. 246 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:54,139 INFO L225 Difference]: With dead ends: 178 [2022-02-20 23:53:54,139 INFO L226 Difference]: Without dead ends: 174 [2022-02-20 23:53:54,140 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 23:53:54,144 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 169 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:54,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 112 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:53:54,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-02-20 23:53:54,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 170. [2022-02-20 23:53:54,179 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:54,184 INFO L82 GeneralOperation]: Start isEquivalent. First operand 174 states. Second operand has 170 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 169 states have internal predecessors, (182), 0 states have call successors, (0), 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 23:53:54,185 INFO L74 IsIncluded]: Start isIncluded. First operand 174 states. Second operand has 170 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 169 states have internal predecessors, (182), 0 states have call successors, (0), 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 23:53:54,186 INFO L87 Difference]: Start difference. First operand 174 states. Second operand has 170 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 169 states have internal predecessors, (182), 0 states have call successors, (0), 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 23:53:54,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:54,199 INFO L93 Difference]: Finished difference Result 174 states and 184 transitions. [2022-02-20 23:53:54,199 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 184 transitions. [2022-02-20 23:53:54,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:54,202 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:54,202 INFO L74 IsIncluded]: Start isIncluded. First operand has 170 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 169 states have internal predecessors, (182), 0 states have call successors, (0), 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 174 states. [2022-02-20 23:53:54,203 INFO L87 Difference]: Start difference. First operand has 170 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 169 states have internal predecessors, (182), 0 states have call successors, (0), 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 174 states. [2022-02-20 23:53:54,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:54,211 INFO L93 Difference]: Finished difference Result 174 states and 184 transitions. [2022-02-20 23:53:54,213 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 184 transitions. [2022-02-20 23:53:54,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:54,216 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:54,216 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:54,217 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 169 states have internal predecessors, (182), 0 states have call successors, (0), 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 23:53:54,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 182 transitions. [2022-02-20 23:53:54,222 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 182 transitions. Word has length 3 [2022-02-20 23:53:54,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:54,226 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 182 transitions. [2022-02-20 23:53:54,227 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 23:53:54,227 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 182 transitions. [2022-02-20 23:53:54,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:53:54,227 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:54,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:53:54,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 23:53:54,228 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:53:54,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:54,229 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-02-20 23:53:54,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:54,230 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468319227] [2022-02-20 23:53:54,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:54,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:54,286 INFO L290 TraceCheckUtils]: 0: Hoare triple {885#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); {885#true} is VALID [2022-02-20 23:53:54,288 INFO L290 TraceCheckUtils]: 1: Hoare triple {885#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {887#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:53:54,289 INFO L290 TraceCheckUtils]: 2: Hoare triple {887#(and (<= 12 (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); {886#false} is VALID [2022-02-20 23:53:54,289 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 23:53:54,289 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:54,289 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468319227] [2022-02-20 23:53:54,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468319227] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:54,290 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:54,290 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:53:54,290 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050766671] [2022-02-20 23:53:54,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:54,291 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 23:53:54,292 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:54,292 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 23:53:54,294 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 23:53:54,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:53:54,295 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:54,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:53:54,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:53:54,296 INFO L87 Difference]: Start difference. First operand 170 states and 182 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 23:53:54,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:54,516 INFO L93 Difference]: Finished difference Result 163 states and 173 transitions. [2022-02-20 23:53:54,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:53:54,516 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 23:53:54,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:54,517 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 23:53:54,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 185 transitions. [2022-02-20 23:53:54,518 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 23:53:54,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 185 transitions. [2022-02-20 23:53:54,520 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 185 transitions. [2022-02-20 23:53:54,651 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 185 edges. 185 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:54,654 INFO L225 Difference]: With dead ends: 163 [2022-02-20 23:53:54,654 INFO L226 Difference]: Without dead ends: 163 [2022-02-20 23:53:54,654 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 23:53:54,655 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 155 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:54,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 115 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:53:54,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-02-20 23:53:54,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 159. [2022-02-20 23:53:54,659 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:54,660 INFO L82 GeneralOperation]: Start isEquivalent. First operand 163 states. Second operand has 159 states, 105 states have (on average 1.619047619047619) internal successors, (170), 158 states have internal predecessors, (170), 0 states have call successors, (0), 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 23:53:54,660 INFO L74 IsIncluded]: Start isIncluded. First operand 163 states. Second operand has 159 states, 105 states have (on average 1.619047619047619) internal successors, (170), 158 states have internal predecessors, (170), 0 states have call successors, (0), 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 23:53:54,660 INFO L87 Difference]: Start difference. First operand 163 states. Second operand has 159 states, 105 states have (on average 1.619047619047619) internal successors, (170), 158 states have internal predecessors, (170), 0 states have call successors, (0), 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 23:53:54,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:54,664 INFO L93 Difference]: Finished difference Result 163 states and 173 transitions. [2022-02-20 23:53:54,664 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 173 transitions. [2022-02-20 23:53:54,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:54,665 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:54,665 INFO L74 IsIncluded]: Start isIncluded. First operand has 159 states, 105 states have (on average 1.619047619047619) internal successors, (170), 158 states have internal predecessors, (170), 0 states have call successors, (0), 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 163 states. [2022-02-20 23:53:54,665 INFO L87 Difference]: Start difference. First operand has 159 states, 105 states have (on average 1.619047619047619) internal successors, (170), 158 states have internal predecessors, (170), 0 states have call successors, (0), 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 163 states. [2022-02-20 23:53:54,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:54,669 INFO L93 Difference]: Finished difference Result 163 states and 173 transitions. [2022-02-20 23:53:54,669 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 173 transitions. [2022-02-20 23:53:54,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:54,669 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:54,669 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:54,670 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 105 states have (on average 1.619047619047619) internal successors, (170), 158 states have internal predecessors, (170), 0 states have call successors, (0), 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 23:53:54,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 170 transitions. [2022-02-20 23:53:54,673 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 170 transitions. Word has length 3 [2022-02-20 23:53:54,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:54,673 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 170 transitions. [2022-02-20 23:53:54,674 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 23:53:54,674 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 170 transitions. [2022-02-20 23:53:54,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-02-20 23:53:54,674 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:54,674 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:54,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 23:53:54,674 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:53:54,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:54,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1837112042, now seen corresponding path program 1 times [2022-02-20 23:53:54,675 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:54,675 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987155062] [2022-02-20 23:53:54,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:54,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:54,730 INFO L290 TraceCheckUtils]: 0: Hoare triple {1538#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); {1538#true} is VALID [2022-02-20 23:53:54,731 INFO L290 TraceCheckUtils]: 1: Hoare triple {1538#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {1540#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:54,732 INFO L290 TraceCheckUtils]: 2: Hoare triple {1540#(= (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: L998 {1540#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:54,732 INFO L290 TraceCheckUtils]: 3: Hoare triple {1540#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {1540#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:54,732 INFO L290 TraceCheckUtils]: 4: Hoare triple {1540#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {1540#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:54,733 INFO L290 TraceCheckUtils]: 5: Hoare triple {1540#(= (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; {1541#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:53:54,733 INFO L290 TraceCheckUtils]: 6: Hoare triple {1541#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1541#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:53:54,734 INFO L290 TraceCheckUtils]: 7: Hoare triple {1541#(= (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(12); {1541#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:53:54,734 INFO L290 TraceCheckUtils]: 8: Hoare triple {1541#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !(1 == #valid[main_~item~0#1.base]); {1539#false} is VALID [2022-02-20 23:53:54,734 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 23:53:54,735 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:54,735 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987155062] [2022-02-20 23:53:54,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987155062] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:54,735 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:54,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:53:54,735 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23974929] [2022-02-20 23:53:54,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:54,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 23:53:54,736 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:54,736 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 23:53:54,742 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 23:53:54,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:53:54,742 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:54,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:53:54,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:53:54,743 INFO L87 Difference]: Start difference. First operand 159 states and 170 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 23:53:54,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:54,985 INFO L93 Difference]: Finished difference Result 168 states and 178 transitions. [2022-02-20 23:53:54,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:53:54,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 23:53:54,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 23:53:54,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2022-02-20 23:53:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 23:53:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2022-02-20 23:53:54,989 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 186 transitions. [2022-02-20 23:53:55,105 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 186 edges. 186 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:55,107 INFO L225 Difference]: With dead ends: 168 [2022-02-20 23:53:55,107 INFO L226 Difference]: Without dead ends: 168 [2022-02-20 23:53:55,107 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 23:53:55,108 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 272 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:55,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 118 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:53:55,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-02-20 23:53:55,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 160. [2022-02-20 23:53:55,112 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:55,112 INFO L82 GeneralOperation]: Start isEquivalent. First operand 168 states. Second operand has 160 states, 112 states have (on average 1.5625) internal successors, (175), 159 states have internal predecessors, (175), 0 states have call successors, (0), 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 23:53:55,112 INFO L74 IsIncluded]: Start isIncluded. First operand 168 states. Second operand has 160 states, 112 states have (on average 1.5625) internal successors, (175), 159 states have internal predecessors, (175), 0 states have call successors, (0), 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 23:53:55,113 INFO L87 Difference]: Start difference. First operand 168 states. Second operand has 160 states, 112 states have (on average 1.5625) internal successors, (175), 159 states have internal predecessors, (175), 0 states have call successors, (0), 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 23:53:55,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:55,115 INFO L93 Difference]: Finished difference Result 168 states and 178 transitions. [2022-02-20 23:53:55,115 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 178 transitions. [2022-02-20 23:53:55,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:55,116 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:55,116 INFO L74 IsIncluded]: Start isIncluded. First operand has 160 states, 112 states have (on average 1.5625) internal successors, (175), 159 states have internal predecessors, (175), 0 states have call successors, (0), 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 168 states. [2022-02-20 23:53:55,116 INFO L87 Difference]: Start difference. First operand has 160 states, 112 states have (on average 1.5625) internal successors, (175), 159 states have internal predecessors, (175), 0 states have call successors, (0), 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 168 states. [2022-02-20 23:53:55,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:55,119 INFO L93 Difference]: Finished difference Result 168 states and 178 transitions. [2022-02-20 23:53:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 178 transitions. [2022-02-20 23:53:55,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:55,120 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:55,120 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:55,120 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:55,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 112 states have (on average 1.5625) internal successors, (175), 159 states have internal predecessors, (175), 0 states have call successors, (0), 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 23:53:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 175 transitions. [2022-02-20 23:53:55,123 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 175 transitions. Word has length 9 [2022-02-20 23:53:55,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:55,123 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 175 transitions. [2022-02-20 23:53:55,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 23:53:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 175 transitions. [2022-02-20 23:53:55,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-02-20 23:53:55,124 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:55,124 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:55,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 23:53:55,124 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:53:55,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:55,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1837112043, now seen corresponding path program 1 times [2022-02-20 23:53:55,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:55,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318561975] [2022-02-20 23:53:55,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:55,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:55,264 INFO L290 TraceCheckUtils]: 0: Hoare triple {2210#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); {2210#true} is VALID [2022-02-20 23:53:55,265 INFO L290 TraceCheckUtils]: 1: Hoare triple {2210#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {2212#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:53:55,266 INFO L290 TraceCheckUtils]: 2: Hoare triple {2212#(and (<= 12 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |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: L998 {2213#(and (<= 12 (select |#length| |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))} is VALID [2022-02-20 23:53:55,266 INFO L290 TraceCheckUtils]: 3: Hoare triple {2213#(and (<= 12 (select |#length| |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))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {2213#(and (<= 12 (select |#length| |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))} is VALID [2022-02-20 23:53:55,267 INFO L290 TraceCheckUtils]: 4: Hoare triple {2213#(and (<= 12 (select |#length| |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))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {2213#(and (<= 12 (select |#length| |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))} is VALID [2022-02-20 23:53:55,268 INFO L290 TraceCheckUtils]: 5: Hoare triple {2213#(and (<= 12 (select |#length| |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))} 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; {2214#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:53:55,268 INFO L290 TraceCheckUtils]: 6: Hoare triple {2214#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2214#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:53:55,269 INFO L290 TraceCheckUtils]: 7: Hoare triple {2214#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1) (<= 12 (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(12); {2215#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:53:55,269 INFO L290 TraceCheckUtils]: 8: Hoare triple {2215#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 12 (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); {2211#false} is VALID [2022-02-20 23:53:55,270 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 23:53:55,270 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:55,270 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318561975] [2022-02-20 23:53:55,270 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318561975] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:55,270 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:55,270 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:53:55,270 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865092676] [2022-02-20 23:53:55,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:55,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 23:53:55,271 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:55,271 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 23:53:55,280 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 23:53:55,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:53:55,280 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:55,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:53:55,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:53:55,281 INFO L87 Difference]: Start difference. First operand 160 states and 175 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 23:53:55,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:55,819 INFO L93 Difference]: Finished difference Result 256 states and 272 transitions. [2022-02-20 23:53:55,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 23:53:55,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 23:53:55,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:55,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 23:53:55,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 271 transitions. [2022-02-20 23:53:55,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 23:53:55,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 271 transitions. [2022-02-20 23:53:55,824 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 271 transitions. [2022-02-20 23:53:56,023 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 271 edges. 271 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:56,026 INFO L225 Difference]: With dead ends: 256 [2022-02-20 23:53:56,026 INFO L226 Difference]: Without dead ends: 256 [2022-02-20 23:53:56,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:53:56,026 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 667 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:56,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [667 Valid, 169 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:53:56,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-02-20 23:53:56,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 168. [2022-02-20 23:53:56,030 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:56,031 INFO L82 GeneralOperation]: Start isEquivalent. First operand 256 states. Second operand has 168 states, 120 states have (on average 1.5416666666666667) internal successors, (185), 167 states have internal predecessors, (185), 0 states have call successors, (0), 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 23:53:56,031 INFO L74 IsIncluded]: Start isIncluded. First operand 256 states. Second operand has 168 states, 120 states have (on average 1.5416666666666667) internal successors, (185), 167 states have internal predecessors, (185), 0 states have call successors, (0), 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 23:53:56,031 INFO L87 Difference]: Start difference. First operand 256 states. Second operand has 168 states, 120 states have (on average 1.5416666666666667) internal successors, (185), 167 states have internal predecessors, (185), 0 states have call successors, (0), 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 23:53:56,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:56,036 INFO L93 Difference]: Finished difference Result 256 states and 272 transitions. [2022-02-20 23:53:56,036 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 272 transitions. [2022-02-20 23:53:56,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:56,037 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:56,037 INFO L74 IsIncluded]: Start isIncluded. First operand has 168 states, 120 states have (on average 1.5416666666666667) internal successors, (185), 167 states have internal predecessors, (185), 0 states have call successors, (0), 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 256 states. [2022-02-20 23:53:56,038 INFO L87 Difference]: Start difference. First operand has 168 states, 120 states have (on average 1.5416666666666667) internal successors, (185), 167 states have internal predecessors, (185), 0 states have call successors, (0), 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 256 states. [2022-02-20 23:53:56,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:56,042 INFO L93 Difference]: Finished difference Result 256 states and 272 transitions. [2022-02-20 23:53:56,043 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 272 transitions. [2022-02-20 23:53:56,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:56,043 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:56,043 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:56,043 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:56,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 120 states have (on average 1.5416666666666667) internal successors, (185), 167 states have internal predecessors, (185), 0 states have call successors, (0), 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 23:53:56,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 185 transitions. [2022-02-20 23:53:56,046 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 185 transitions. Word has length 9 [2022-02-20 23:53:56,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:56,047 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 185 transitions. [2022-02-20 23:53:56,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 23:53:56,047 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 185 transitions. [2022-02-20 23:53:56,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-20 23:53:56,047 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:56,048 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:56,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 23:53:56,048 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:53:56,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:56,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1115899309, now seen corresponding path program 1 times [2022-02-20 23:53:56,048 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:56,049 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191254148] [2022-02-20 23:53:56,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:56,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:56,079 INFO L290 TraceCheckUtils]: 0: Hoare triple {3156#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); {3156#true} is VALID [2022-02-20 23:53:56,079 INFO L290 TraceCheckUtils]: 1: Hoare triple {3156#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {3158#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:56,079 INFO L290 TraceCheckUtils]: 2: Hoare triple {3158#(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: L998 {3158#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:56,080 INFO L290 TraceCheckUtils]: 3: Hoare triple {3158#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {3158#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:56,080 INFO L290 TraceCheckUtils]: 4: Hoare triple {3158#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {3158#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:56,080 INFO L290 TraceCheckUtils]: 5: Hoare triple {3158#(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; {3158#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:56,081 INFO L290 TraceCheckUtils]: 6: Hoare triple {3158#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3158#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:56,081 INFO L290 TraceCheckUtils]: 7: Hoare triple {3158#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {3158#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:56,081 INFO L290 TraceCheckUtils]: 8: Hoare triple {3158#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume !(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {3157#false} is VALID [2022-02-20 23:53:56,082 INFO L290 TraceCheckUtils]: 9: Hoare triple {3157#false} assume !false; {3157#false} is VALID [2022-02-20 23:53:56,082 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 23:53:56,082 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:56,082 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191254148] [2022-02-20 23:53:56,082 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191254148] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:56,082 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:56,082 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:53:56,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538855846] [2022-02-20 23:53:56,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:56,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-02-20 23:53:56,083 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:56,083 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 23:53:56,089 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:56,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:53:56,090 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:56,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:53:56,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:53:56,091 INFO L87 Difference]: Start difference. First operand 168 states and 185 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 23:53:56,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:56,189 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions. [2022-02-20 23:53:56,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:53:56,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-02-20 23:53:56,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:56,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 23:53:56,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 160 transitions. [2022-02-20 23:53:56,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 23:53:56,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 160 transitions. [2022-02-20 23:53:56,192 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 160 transitions. [2022-02-20 23:53:56,292 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 160 edges. 160 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:56,293 INFO L225 Difference]: With dead ends: 158 [2022-02-20 23:53:56,293 INFO L226 Difference]: Without dead ends: 158 [2022-02-20 23:53:56,294 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 23:53:56,294 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 131 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:56,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 141 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:53:56,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-02-20 23:53:56,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2022-02-20 23:53:56,297 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:56,298 INFO L82 GeneralOperation]: Start isEquivalent. First operand 158 states. Second operand has 158 states, 115 states have (on average 1.5130434782608695) internal successors, (174), 157 states have internal predecessors, (174), 0 states have call successors, (0), 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 23:53:56,298 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand has 158 states, 115 states have (on average 1.5130434782608695) internal successors, (174), 157 states have internal predecessors, (174), 0 states have call successors, (0), 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 23:53:56,298 INFO L87 Difference]: Start difference. First operand 158 states. Second operand has 158 states, 115 states have (on average 1.5130434782608695) internal successors, (174), 157 states have internal predecessors, (174), 0 states have call successors, (0), 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 23:53:56,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:56,301 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions. [2022-02-20 23:53:56,301 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 174 transitions. [2022-02-20 23:53:56,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:56,301 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:56,301 INFO L74 IsIncluded]: Start isIncluded. First operand has 158 states, 115 states have (on average 1.5130434782608695) internal successors, (174), 157 states have internal predecessors, (174), 0 states have call successors, (0), 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 158 states. [2022-02-20 23:53:56,302 INFO L87 Difference]: Start difference. First operand has 158 states, 115 states have (on average 1.5130434782608695) internal successors, (174), 157 states have internal predecessors, (174), 0 states have call successors, (0), 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 158 states. [2022-02-20 23:53:56,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:56,304 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions. [2022-02-20 23:53:56,304 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 174 transitions. [2022-02-20 23:53:56,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:56,305 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:56,305 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:56,305 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:56,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 115 states have (on average 1.5130434782608695) internal successors, (174), 157 states have internal predecessors, (174), 0 states have call successors, (0), 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 23:53:56,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 174 transitions. [2022-02-20 23:53:56,307 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 174 transitions. Word has length 10 [2022-02-20 23:53:56,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:56,308 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 174 transitions. [2022-02-20 23:53:56,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 23:53:56,308 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 174 transitions. [2022-02-20 23:53:56,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 23:53:56,308 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:56,308 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:56,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 23:53:56,308 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:53:56,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:56,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1363413642, now seen corresponding path program 1 times [2022-02-20 23:53:56,309 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:56,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883776027] [2022-02-20 23:53:56,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:56,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:56,370 INFO L290 TraceCheckUtils]: 0: Hoare triple {3793#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); {3793#true} is VALID [2022-02-20 23:53:56,370 INFO L290 TraceCheckUtils]: 1: Hoare triple {3793#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {3793#true} is VALID [2022-02-20 23:53:56,370 INFO L290 TraceCheckUtils]: 2: Hoare triple {3793#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {3793#true} is VALID [2022-02-20 23:53:56,370 INFO L290 TraceCheckUtils]: 3: Hoare triple {3793#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {3793#true} is VALID [2022-02-20 23:53:56,370 INFO L290 TraceCheckUtils]: 4: Hoare triple {3793#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {3793#true} is VALID [2022-02-20 23:53:56,371 INFO L290 TraceCheckUtils]: 5: Hoare triple {3793#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; {3793#true} is VALID [2022-02-20 23:53:56,371 INFO L290 TraceCheckUtils]: 6: Hoare triple {3793#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3793#true} is VALID [2022-02-20 23:53:56,371 INFO L290 TraceCheckUtils]: 7: Hoare triple {3793#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(12); {3795#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)))} is VALID [2022-02-20 23:53:56,372 INFO L290 TraceCheckUtils]: 8: Hoare triple {3795#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (<= 12 (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: L1006 {3796#(and (<= 12 (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 23:53:56,373 INFO L290 TraceCheckUtils]: 9: Hoare triple {3796#(and (<= 12 (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; {3796#(and (<= 12 (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 23:53:56,373 INFO L290 TraceCheckUtils]: 10: Hoare triple {3796#(and (<= 12 (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: L1007 {3797#(and (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)))} is VALID [2022-02-20 23:53:56,374 INFO L290 TraceCheckUtils]: 11: Hoare triple {3797#(and (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)))} assume !(4 + (4 + main_#t~mem4#1.offset) <= #length[main_#t~mem4#1.base] && 0 <= 4 + main_#t~mem4#1.offset); {3794#false} is VALID [2022-02-20 23:53:56,374 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 23:53:56,374 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:56,374 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883776027] [2022-02-20 23:53:56,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883776027] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:56,374 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:56,374 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:53:56,374 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056769160] [2022-02-20 23:53:56,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:56,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23:53:56,375 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:56,375 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23:53:56,384 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 23:53:56,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:53:56,384 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:56,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:53:56,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:53:56,385 INFO L87 Difference]: Start difference. First operand 158 states and 174 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23:53:56,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:56,764 INFO L93 Difference]: Finished difference Result 157 states and 172 transitions. [2022-02-20 23:53:56,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:53:56,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23:53:56,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:56,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23:53:56,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions. [2022-02-20 23:53:56,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23:53:56,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 151 transitions. [2022-02-20 23:53:56,768 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 151 transitions. [2022-02-20 23:53:56,852 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 151 edges. 151 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:56,855 INFO L225 Difference]: With dead ends: 157 [2022-02-20 23:53:56,855 INFO L226 Difference]: Without dead ends: 157 [2022-02-20 23:53:56,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:53:56,856 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 6 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:56,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 424 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:53:56,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-02-20 23:53:56,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-02-20 23:53:56,859 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:56,859 INFO L82 GeneralOperation]: Start isEquivalent. First operand 157 states. Second operand has 157 states, 115 states have (on average 1.4956521739130435) internal successors, (172), 156 states have internal predecessors, (172), 0 states have call successors, (0), 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 23:53:56,859 INFO L74 IsIncluded]: Start isIncluded. First operand 157 states. Second operand has 157 states, 115 states have (on average 1.4956521739130435) internal successors, (172), 156 states have internal predecessors, (172), 0 states have call successors, (0), 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 23:53:56,860 INFO L87 Difference]: Start difference. First operand 157 states. Second operand has 157 states, 115 states have (on average 1.4956521739130435) internal successors, (172), 156 states have internal predecessors, (172), 0 states have call successors, (0), 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 23:53:56,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:56,862 INFO L93 Difference]: Finished difference Result 157 states and 172 transitions. [2022-02-20 23:53:56,862 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 172 transitions. [2022-02-20 23:53:56,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:56,863 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:56,863 INFO L74 IsIncluded]: Start isIncluded. First operand has 157 states, 115 states have (on average 1.4956521739130435) internal successors, (172), 156 states have internal predecessors, (172), 0 states have call successors, (0), 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 157 states. [2022-02-20 23:53:56,863 INFO L87 Difference]: Start difference. First operand has 157 states, 115 states have (on average 1.4956521739130435) internal successors, (172), 156 states have internal predecessors, (172), 0 states have call successors, (0), 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 157 states. [2022-02-20 23:53:56,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:56,866 INFO L93 Difference]: Finished difference Result 157 states and 172 transitions. [2022-02-20 23:53:56,866 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 172 transitions. [2022-02-20 23:53:56,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:56,866 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:56,867 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:56,867 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:56,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 115 states have (on average 1.4956521739130435) internal successors, (172), 156 states have internal predecessors, (172), 0 states have call successors, (0), 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 23:53:56,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 172 transitions. [2022-02-20 23:53:56,869 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 172 transitions. Word has length 12 [2022-02-20 23:53:56,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:56,870 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 172 transitions. [2022-02-20 23:53:56,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23:53:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 172 transitions. [2022-02-20 23:53:56,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 23:53:56,870 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:56,870 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:56,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 23:53:56,871 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:53:56,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:56,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1363413643, now seen corresponding path program 1 times [2022-02-20 23:53:56,871 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:56,871 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819029487] [2022-02-20 23:53:56,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:56,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:56,908 INFO L290 TraceCheckUtils]: 0: Hoare triple {4432#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); {4432#true} is VALID [2022-02-20 23:53:56,908 INFO L290 TraceCheckUtils]: 1: Hoare triple {4432#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {4432#true} is VALID [2022-02-20 23:53:56,909 INFO L290 TraceCheckUtils]: 2: Hoare triple {4432#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {4432#true} is VALID [2022-02-20 23:53:56,909 INFO L290 TraceCheckUtils]: 3: Hoare triple {4432#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {4432#true} is VALID [2022-02-20 23:53:56,909 INFO L290 TraceCheckUtils]: 4: Hoare triple {4432#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {4432#true} is VALID [2022-02-20 23:53:56,909 INFO L290 TraceCheckUtils]: 5: Hoare triple {4432#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; {4432#true} is VALID [2022-02-20 23:53:56,909 INFO L290 TraceCheckUtils]: 6: Hoare triple {4432#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4432#true} is VALID [2022-02-20 23:53:56,911 INFO L290 TraceCheckUtils]: 7: Hoare triple {4432#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(12); {4434#(= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1)} is VALID [2022-02-20 23:53:56,912 INFO L290 TraceCheckUtils]: 8: Hoare triple {4434#(= (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: L1006 {4435#(= (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 23:53:56,912 INFO L290 TraceCheckUtils]: 9: Hoare triple {4435#(= (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; {4435#(= (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 23:53:56,928 INFO L290 TraceCheckUtils]: 10: Hoare triple {4435#(= (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: L1007 {4436#(= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1)} is VALID [2022-02-20 23:53:56,928 INFO L290 TraceCheckUtils]: 11: Hoare triple {4436#(= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1)} assume !(1 == #valid[main_#t~mem4#1.base]); {4433#false} is VALID [2022-02-20 23:53:56,928 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 23:53:56,928 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:56,928 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819029487] [2022-02-20 23:53:56,928 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819029487] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:56,928 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:56,928 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:53:56,929 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372909641] [2022-02-20 23:53:56,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:56,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23:53:56,929 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:56,929 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23:53:56,937 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 23:53:56,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:53:56,937 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:56,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:53:56,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:53:56,938 INFO L87 Difference]: Start difference. First operand 157 states and 172 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23:53:57,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:57,250 INFO L93 Difference]: Finished difference Result 156 states and 170 transitions. [2022-02-20 23:53:57,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 23:53:57,250 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23:53:57,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:57,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23:53:57,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 150 transitions. [2022-02-20 23:53:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23:53:57,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 150 transitions. [2022-02-20 23:53:57,253 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 150 transitions. [2022-02-20 23:53:57,338 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 23:53:57,339 INFO L225 Difference]: With dead ends: 156 [2022-02-20 23:53:57,340 INFO L226 Difference]: Without dead ends: 156 [2022-02-20 23:53:57,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:53:57,340 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 7 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:57,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 422 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:53:57,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-02-20 23:53:57,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-02-20 23:53:57,343 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:57,343 INFO L82 GeneralOperation]: Start isEquivalent. First operand 156 states. Second operand has 156 states, 115 states have (on average 1.4782608695652173) internal successors, (170), 155 states have internal predecessors, (170), 0 states have call successors, (0), 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 23:53:57,344 INFO L74 IsIncluded]: Start isIncluded. First operand 156 states. Second operand has 156 states, 115 states have (on average 1.4782608695652173) internal successors, (170), 155 states have internal predecessors, (170), 0 states have call successors, (0), 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 23:53:57,344 INFO L87 Difference]: Start difference. First operand 156 states. Second operand has 156 states, 115 states have (on average 1.4782608695652173) internal successors, (170), 155 states have internal predecessors, (170), 0 states have call successors, (0), 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 23:53:57,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:57,346 INFO L93 Difference]: Finished difference Result 156 states and 170 transitions. [2022-02-20 23:53:57,347 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 170 transitions. [2022-02-20 23:53:57,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:57,347 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:57,347 INFO L74 IsIncluded]: Start isIncluded. First operand has 156 states, 115 states have (on average 1.4782608695652173) internal successors, (170), 155 states have internal predecessors, (170), 0 states have call successors, (0), 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 23:53:57,348 INFO L87 Difference]: Start difference. First operand has 156 states, 115 states have (on average 1.4782608695652173) internal successors, (170), 155 states have internal predecessors, (170), 0 states have call successors, (0), 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 23:53:57,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:57,350 INFO L93 Difference]: Finished difference Result 156 states and 170 transitions. [2022-02-20 23:53:57,350 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 170 transitions. [2022-02-20 23:53:57,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:57,351 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:57,351 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:57,351 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:57,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 115 states have (on average 1.4782608695652173) internal successors, (170), 155 states have internal predecessors, (170), 0 states have call successors, (0), 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 23:53:57,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 170 transitions. [2022-02-20 23:53:57,354 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 170 transitions. Word has length 12 [2022-02-20 23:53:57,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:57,354 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 170 transitions. [2022-02-20 23:53:57,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 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 23:53:57,355 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 170 transitions. [2022-02-20 23:53:57,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-20 23:53:57,355 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:57,355 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:57,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 23:53:57,355 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:53:57,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:57,356 INFO L85 PathProgramCache]: Analyzing trace with hash -794856606, now seen corresponding path program 1 times [2022-02-20 23:53:57,356 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:57,356 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89015412] [2022-02-20 23:53:57,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:57,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:57,382 INFO L290 TraceCheckUtils]: 0: Hoare triple {5067#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); {5067#true} is VALID [2022-02-20 23:53:57,382 INFO L290 TraceCheckUtils]: 1: Hoare triple {5067#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {5067#true} is VALID [2022-02-20 23:53:57,382 INFO L290 TraceCheckUtils]: 2: Hoare triple {5067#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {5067#true} is VALID [2022-02-20 23:53:57,382 INFO L290 TraceCheckUtils]: 3: Hoare triple {5067#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {5067#true} is VALID [2022-02-20 23:53:57,382 INFO L290 TraceCheckUtils]: 4: Hoare triple {5067#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {5067#true} is VALID [2022-02-20 23:53:57,383 INFO L290 TraceCheckUtils]: 5: Hoare triple {5067#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; {5069#(= |ULTIMATE.start_main_~status~0#1| 0)} is VALID [2022-02-20 23:53:57,383 INFO L290 TraceCheckUtils]: 6: Hoare triple {5069#(= |ULTIMATE.start_main_~status~0#1| 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5069#(= |ULTIMATE.start_main_~status~0#1| 0)} is VALID [2022-02-20 23:53:57,383 INFO L290 TraceCheckUtils]: 7: Hoare triple {5069#(= |ULTIMATE.start_main_~status~0#1| 0)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {5069#(= |ULTIMATE.start_main_~status~0#1| 0)} is VALID [2022-02-20 23:53:57,384 INFO L290 TraceCheckUtils]: 8: Hoare triple {5069#(= |ULTIMATE.start_main_~status~0#1| 0)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {5069#(= |ULTIMATE.start_main_~status~0#1| 0)} is VALID [2022-02-20 23:53:57,384 INFO L290 TraceCheckUtils]: 9: Hoare triple {5069#(= |ULTIMATE.start_main_~status~0#1| 0)} goto; {5069#(= |ULTIMATE.start_main_~status~0#1| 0)} is VALID [2022-02-20 23:53:57,384 INFO L290 TraceCheckUtils]: 10: Hoare triple {5069#(= |ULTIMATE.start_main_~status~0#1| 0)} assume 1 == main_~status~0#1; {5068#false} is VALID [2022-02-20 23:53:57,384 INFO L290 TraceCheckUtils]: 11: Hoare triple {5068#false} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {5068#false} is VALID [2022-02-20 23:53:57,385 INFO L290 TraceCheckUtils]: 12: Hoare triple {5068#false} goto; {5068#false} is VALID [2022-02-20 23:53:57,385 INFO L290 TraceCheckUtils]: 13: Hoare triple {5068#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: L1035-4 {5068#false} is VALID [2022-02-20 23:53:57,385 INFO L290 TraceCheckUtils]: 14: Hoare triple {5068#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; {5068#false} is VALID [2022-02-20 23:53:57,385 INFO L290 TraceCheckUtils]: 15: Hoare triple {5068#false} assume !false; {5068#false} is VALID [2022-02-20 23:53:57,385 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 23:53:57,385 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:57,385 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89015412] [2022-02-20 23:53:57,386 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89015412] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:57,386 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:57,386 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:53:57,386 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208429818] [2022-02-20 23:53:57,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:57,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-02-20 23:53:57,386 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:57,387 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:57,395 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:57,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:53:57,395 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:57,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:53:57,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:53:57,396 INFO L87 Difference]: Start difference. First operand 156 states and 170 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:57,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:57,525 INFO L93 Difference]: Finished difference Result 208 states and 228 transitions. [2022-02-20 23:53:57,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:53:57,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-02-20 23:53:57,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:57,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:57,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2022-02-20 23:53:57,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:57,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2022-02-20 23:53:57,529 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 208 transitions. [2022-02-20 23:53:57,645 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 208 edges. 208 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:57,647 INFO L225 Difference]: With dead ends: 208 [2022-02-20 23:53:57,648 INFO L226 Difference]: Without dead ends: 208 [2022-02-20 23:53:57,648 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 23:53:57,648 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 53 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 273 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 23:53:57,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 273 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:53:57,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-02-20 23:53:57,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 164. [2022-02-20 23:53:57,650 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:57,651 INFO L82 GeneralOperation]: Start isEquivalent. First operand 208 states. Second operand has 164 states, 123 states have (on average 1.4634146341463414) internal successors, (180), 163 states have internal predecessors, (180), 0 states have call successors, (0), 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 23:53:57,651 INFO L74 IsIncluded]: Start isIncluded. First operand 208 states. Second operand has 164 states, 123 states have (on average 1.4634146341463414) internal successors, (180), 163 states have internal predecessors, (180), 0 states have call successors, (0), 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 23:53:57,651 INFO L87 Difference]: Start difference. First operand 208 states. Second operand has 164 states, 123 states have (on average 1.4634146341463414) internal successors, (180), 163 states have internal predecessors, (180), 0 states have call successors, (0), 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 23:53:57,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:57,654 INFO L93 Difference]: Finished difference Result 208 states and 228 transitions. [2022-02-20 23:53:57,654 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 228 transitions. [2022-02-20 23:53:57,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:57,655 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:57,655 INFO L74 IsIncluded]: Start isIncluded. First operand has 164 states, 123 states have (on average 1.4634146341463414) internal successors, (180), 163 states have internal predecessors, (180), 0 states have call successors, (0), 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 208 states. [2022-02-20 23:53:57,655 INFO L87 Difference]: Start difference. First operand has 164 states, 123 states have (on average 1.4634146341463414) internal successors, (180), 163 states have internal predecessors, (180), 0 states have call successors, (0), 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 208 states. [2022-02-20 23:53:57,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:57,659 INFO L93 Difference]: Finished difference Result 208 states and 228 transitions. [2022-02-20 23:53:57,659 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 228 transitions. [2022-02-20 23:53:57,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:57,659 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:57,660 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:57,660 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:57,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 123 states have (on average 1.4634146341463414) internal successors, (180), 163 states have internal predecessors, (180), 0 states have call successors, (0), 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 23:53:57,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 180 transitions. [2022-02-20 23:53:57,662 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 180 transitions. Word has length 16 [2022-02-20 23:53:57,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:57,662 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 180 transitions. [2022-02-20 23:53:57,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:57,663 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 180 transitions. [2022-02-20 23:53:57,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-20 23:53:57,663 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:57,664 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:57,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 23:53:57,664 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:53:57,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:57,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1546362871, now seen corresponding path program 1 times [2022-02-20 23:53:57,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:57,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478144937] [2022-02-20 23:53:57,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:57,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:57,744 INFO L290 TraceCheckUtils]: 0: Hoare triple {5860#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); {5860#true} is VALID [2022-02-20 23:53:57,744 INFO L290 TraceCheckUtils]: 1: Hoare triple {5860#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {5860#true} is VALID [2022-02-20 23:53:57,745 INFO L290 TraceCheckUtils]: 2: Hoare triple {5860#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {5862#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:57,745 INFO L290 TraceCheckUtils]: 3: Hoare triple {5862#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {5862#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:57,745 INFO L290 TraceCheckUtils]: 4: Hoare triple {5862#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {5862#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:57,746 INFO L290 TraceCheckUtils]: 5: Hoare triple {5862#(= (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; {5863#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:53:57,746 INFO L290 TraceCheckUtils]: 6: Hoare triple {5863#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5863#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:53:57,747 INFO L290 TraceCheckUtils]: 7: Hoare triple {5863#(= (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(12); {5864#(and (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:53:57,747 INFO L290 TraceCheckUtils]: 8: Hoare triple {5864#(and (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~item~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: L1006 {5865#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~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|))))} is VALID [2022-02-20 23:53:57,748 INFO L290 TraceCheckUtils]: 9: Hoare triple {5865#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~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|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5865#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~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|))))} is VALID [2022-02-20 23:53:57,748 INFO L290 TraceCheckUtils]: 10: Hoare triple {5865#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~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|))))} 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: L1007 {5866#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 1) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem4#1.base|)))} is VALID [2022-02-20 23:53:57,749 INFO L290 TraceCheckUtils]: 11: Hoare triple {5866#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 1) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem4#1.base|)))} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {5867#(= (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 23:53:57,749 INFO L290 TraceCheckUtils]: 12: Hoare triple {5867#(= (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~mem4#1.base, main_#t~mem4#1.offset; {5867#(= (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 23:53:57,750 INFO L290 TraceCheckUtils]: 13: Hoare triple {5867#(= (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~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {5868#(= (select |#valid| |ULTIMATE.start_main_#t~mem5#1.base|) 1)} is VALID [2022-02-20 23:53:57,750 INFO L290 TraceCheckUtils]: 14: Hoare triple {5868#(= (select |#valid| |ULTIMATE.start_main_#t~mem5#1.base|) 1)} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {5863#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:53:57,750 INFO L290 TraceCheckUtils]: 15: Hoare triple {5863#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !(1 == #valid[main_~item~0#1.base]); {5861#false} is VALID [2022-02-20 23:53:57,751 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 23:53:57,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:57,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478144937] [2022-02-20 23:53:57,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478144937] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:57,751 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:57,751 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 23:53:57,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981109031] [2022-02-20 23:53:57,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:57,752 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-02-20 23:53:57,752 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:57,752 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:57,762 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:57,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 23:53:57,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:57,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 23:53:57,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:53:57,764 INFO L87 Difference]: Start difference. First operand 164 states and 180 transitions. Second operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:58,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:58,469 INFO L93 Difference]: Finished difference Result 167 states and 179 transitions. [2022-02-20 23:53:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 23:53:58,470 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-02-20 23:53:58,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:58,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:58,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 162 transitions. [2022-02-20 23:53:58,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:58,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 162 transitions. [2022-02-20 23:53:58,472 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 162 transitions. [2022-02-20 23:53:58,586 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 162 edges. 162 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:58,588 INFO L225 Difference]: With dead ends: 167 [2022-02-20 23:53:58,588 INFO L226 Difference]: Without dead ends: 167 [2022-02-20 23:53:58,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2022-02-20 23:53:58,589 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 254 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:58,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 442 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:53:58,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-02-20 23:53:58,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 163. [2022-02-20 23:53:58,591 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:58,591 INFO L82 GeneralOperation]: Start isEquivalent. First operand 167 states. Second operand has 163 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 162 states have internal predecessors, (178), 0 states have call successors, (0), 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 23:53:58,591 INFO L74 IsIncluded]: Start isIncluded. First operand 167 states. Second operand has 163 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 162 states have internal predecessors, (178), 0 states have call successors, (0), 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 23:53:58,592 INFO L87 Difference]: Start difference. First operand 167 states. Second operand has 163 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 162 states have internal predecessors, (178), 0 states have call successors, (0), 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 23:53:58,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:58,594 INFO L93 Difference]: Finished difference Result 167 states and 179 transitions. [2022-02-20 23:53:58,594 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 179 transitions. [2022-02-20 23:53:58,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:58,594 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:58,594 INFO L74 IsIncluded]: Start isIncluded. First operand has 163 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 162 states have internal predecessors, (178), 0 states have call successors, (0), 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 167 states. [2022-02-20 23:53:58,595 INFO L87 Difference]: Start difference. First operand has 163 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 162 states have internal predecessors, (178), 0 states have call successors, (0), 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 167 states. [2022-02-20 23:53:58,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:58,597 INFO L93 Difference]: Finished difference Result 167 states and 179 transitions. [2022-02-20 23:53:58,597 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 179 transitions. [2022-02-20 23:53:58,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:58,597 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:58,597 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:58,597 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 162 states have internal predecessors, (178), 0 states have call successors, (0), 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 23:53:58,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 178 transitions. [2022-02-20 23:53:58,600 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 178 transitions. Word has length 16 [2022-02-20 23:53:58,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:58,600 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 178 transitions. [2022-02-20 23:53:58,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 178 transitions. [2022-02-20 23:53:58,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-20 23:53:58,600 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:58,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:58,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-20 23:53:58,601 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:53:58,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:58,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1546362872, now seen corresponding path program 1 times [2022-02-20 23:53:58,601 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:58,602 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688272538] [2022-02-20 23:53:58,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:58,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:58,714 INFO L290 TraceCheckUtils]: 0: Hoare triple {6547#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); {6547#true} is VALID [2022-02-20 23:53:58,714 INFO L290 TraceCheckUtils]: 1: Hoare triple {6547#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {6547#true} is VALID [2022-02-20 23:53:58,714 INFO L290 TraceCheckUtils]: 2: Hoare triple {6547#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {6549#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:58,715 INFO L290 TraceCheckUtils]: 3: Hoare triple {6549#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {6549#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:58,715 INFO L290 TraceCheckUtils]: 4: Hoare triple {6549#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {6549#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:58,715 INFO L290 TraceCheckUtils]: 5: Hoare triple {6549#(= (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; {6550#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:53:58,716 INFO L290 TraceCheckUtils]: 6: Hoare triple {6550#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6550#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:53:58,716 INFO L290 TraceCheckUtils]: 7: Hoare triple {6550#(= (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(12); {6551#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~item~0#1.base|)) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 12))} is VALID [2022-02-20 23:53:58,717 INFO L290 TraceCheckUtils]: 8: Hoare triple {6551#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~item~0#1.base|)) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 12))} 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: L1006 {6552#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 12) (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))} is VALID [2022-02-20 23:53:58,718 INFO L290 TraceCheckUtils]: 9: Hoare triple {6552#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 12) (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))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {6552#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 12) (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))} is VALID [2022-02-20 23:53:58,718 INFO L290 TraceCheckUtils]: 10: Hoare triple {6552#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 12) (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))} 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: L1007 {6553#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 12) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem4#1.base|)) (= (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 23:53:58,719 INFO L290 TraceCheckUtils]: 11: Hoare triple {6553#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 12) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem4#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {6554#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 12) (= (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 23:53:58,720 INFO L290 TraceCheckUtils]: 12: Hoare triple {6554#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {6554#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 12) (= (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 23:53:58,720 INFO L290 TraceCheckUtils]: 13: Hoare triple {6554#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) 12) (= (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~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {6555#(and (= |ULTIMATE.start_main_#t~mem5#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~mem5#1.base|) 12))} is VALID [2022-02-20 23:53:58,721 INFO L290 TraceCheckUtils]: 14: Hoare triple {6555#(and (= |ULTIMATE.start_main_#t~mem5#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~mem5#1.base|) 12))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {6556#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:53:58,721 INFO L290 TraceCheckUtils]: 15: Hoare triple {6556#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 12 (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); {6548#false} is VALID [2022-02-20 23:53:58,721 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 23:53:58,721 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:58,722 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688272538] [2022-02-20 23:53:58,722 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688272538] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:58,722 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:58,722 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-20 23:53:58,722 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550416460] [2022-02-20 23:53:58,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:58,722 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-02-20 23:53:58,723 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:58,723 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:58,735 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:58,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-20 23:53:58,736 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:58,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-20 23:53:58,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-02-20 23:53:58,736 INFO L87 Difference]: Start difference. First operand 163 states and 178 transitions. Second operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:59,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:59,849 INFO L93 Difference]: Finished difference Result 162 states and 173 transitions. [2022-02-20 23:53:59,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 23:53:59,849 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-02-20 23:53:59,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:59,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:59,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 178 transitions. [2022-02-20 23:53:59,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:59,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 178 transitions. [2022-02-20 23:53:59,852 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 178 transitions. [2022-02-20 23:53:59,964 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 23:53:59,966 INFO L225 Difference]: With dead ends: 162 [2022-02-20 23:53:59,966 INFO L226 Difference]: Without dead ends: 162 [2022-02-20 23:53:59,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2022-02-20 23:53:59,967 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 329 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:59,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 556 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:53:59,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-02-20 23:53:59,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2022-02-20 23:53:59,969 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:59,969 INFO L82 GeneralOperation]: Start isEquivalent. First operand 162 states. Second operand has 156 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 155 states have internal predecessors, (170), 0 states have call successors, (0), 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 23:53:59,970 INFO L74 IsIncluded]: Start isIncluded. First operand 162 states. Second operand has 156 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 155 states have internal predecessors, (170), 0 states have call successors, (0), 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 23:53:59,970 INFO L87 Difference]: Start difference. First operand 162 states. Second operand has 156 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 155 states have internal predecessors, (170), 0 states have call successors, (0), 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 23:53:59,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:59,976 INFO L93 Difference]: Finished difference Result 162 states and 173 transitions. [2022-02-20 23:53:59,976 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2022-02-20 23:53:59,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:59,977 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:59,977 INFO L74 IsIncluded]: Start isIncluded. First operand has 156 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 155 states have internal predecessors, (170), 0 states have call successors, (0), 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 162 states. [2022-02-20 23:53:59,977 INFO L87 Difference]: Start difference. First operand has 156 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 155 states have internal predecessors, (170), 0 states have call successors, (0), 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 162 states. [2022-02-20 23:53:59,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:59,979 INFO L93 Difference]: Finished difference Result 162 states and 173 transitions. [2022-02-20 23:53:59,979 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2022-02-20 23:53:59,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:59,979 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:59,979 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:59,979 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:59,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 123 states have (on average 1.3821138211382114) internal successors, (170), 155 states have internal predecessors, (170), 0 states have call successors, (0), 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 23:53:59,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 170 transitions. [2022-02-20 23:53:59,981 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 170 transitions. Word has length 16 [2022-02-20 23:53:59,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:59,981 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 170 transitions. [2022-02-20 23:53:59,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:53:59,981 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 170 transitions. [2022-02-20 23:53:59,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 23:53:59,981 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:59,981 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] [2022-02-20 23:53:59,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-20 23:53:59,982 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr65REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:53:59,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:59,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1461793571, now seen corresponding path program 1 times [2022-02-20 23:53:59,982 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:59,982 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718684046] [2022-02-20 23:53:59,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:59,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:00,006 INFO L290 TraceCheckUtils]: 0: Hoare triple {7227#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); {7227#true} is VALID [2022-02-20 23:54:00,006 INFO L290 TraceCheckUtils]: 1: Hoare triple {7227#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {7227#true} is VALID [2022-02-20 23:54:00,006 INFO L290 TraceCheckUtils]: 2: Hoare triple {7227#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {7227#true} is VALID [2022-02-20 23:54:00,006 INFO L290 TraceCheckUtils]: 3: Hoare triple {7227#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {7227#true} is VALID [2022-02-20 23:54:00,006 INFO L290 TraceCheckUtils]: 4: Hoare triple {7227#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {7227#true} is VALID [2022-02-20 23:54:00,007 INFO L290 TraceCheckUtils]: 5: Hoare triple {7227#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; {7227#true} is VALID [2022-02-20 23:54:00,007 INFO L290 TraceCheckUtils]: 6: Hoare triple {7227#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {7227#true} is VALID [2022-02-20 23:54:00,007 INFO L290 TraceCheckUtils]: 7: Hoare triple {7227#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {7227#true} is VALID [2022-02-20 23:54:00,007 INFO L290 TraceCheckUtils]: 8: Hoare triple {7227#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {7227#true} is VALID [2022-02-20 23:54:00,007 INFO L290 TraceCheckUtils]: 9: Hoare triple {7227#true} goto; {7227#true} is VALID [2022-02-20 23:54:00,007 INFO L290 TraceCheckUtils]: 10: Hoare triple {7227#true} assume !(1 == main_~status~0#1); {7227#true} is VALID [2022-02-20 23:54:00,007 INFO L290 TraceCheckUtils]: 11: Hoare triple {7227#true} assume !(2 == main_~status~0#1); {7227#true} is VALID [2022-02-20 23:54:00,008 INFO L290 TraceCheckUtils]: 12: Hoare triple {7227#true} assume !(3 == main_~status~0#1); {7227#true} is VALID [2022-02-20 23:54:00,008 INFO L290 TraceCheckUtils]: 13: Hoare triple {7227#true} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {7227#true} is VALID [2022-02-20 23:54:00,008 INFO L290 TraceCheckUtils]: 14: Hoare triple {7227#true} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {7227#true} is VALID [2022-02-20 23:54:00,008 INFO L290 TraceCheckUtils]: 15: Hoare triple {7227#true} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {7227#true} is VALID [2022-02-20 23:54:00,008 INFO L290 TraceCheckUtils]: 16: Hoare triple {7227#true} assume !main_#t~short22#1; {7229#(not |ULTIMATE.start_main_#t~short22#1|)} is VALID [2022-02-20 23:54:00,009 INFO L290 TraceCheckUtils]: 17: Hoare triple {7229#(not |ULTIMATE.start_main_#t~short22#1|)} assume !!main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {7228#false} is VALID [2022-02-20 23:54:00,009 INFO L290 TraceCheckUtils]: 18: Hoare triple {7228#false} main_#t~short24#1 := 0 == main_~status~0#1; {7228#false} is VALID [2022-02-20 23:54:00,009 INFO L290 TraceCheckUtils]: 19: Hoare triple {7228#false} assume !main_#t~short24#1; {7228#false} is VALID [2022-02-20 23:54:00,009 INFO L290 TraceCheckUtils]: 20: Hoare triple {7228#false} assume !(1 == #valid[main_~item~0#1.base]); {7228#false} is VALID [2022-02-20 23:54:00,009 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 23:54:00,009 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:00,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718684046] [2022-02-20 23:54:00,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718684046] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:00,010 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:00,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:54:00,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921511811] [2022-02-20 23:54:00,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:00,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-02-20 23:54:00,011 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:00,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 23:54:00,021 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:00,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:54:00,021 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:00,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:54:00,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:54:00,022 INFO L87 Difference]: Start difference. First operand 156 states and 170 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 23:54:00,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:00,118 INFO L93 Difference]: Finished difference Result 157 states and 171 transitions. [2022-02-20 23:54:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:54:00,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-02-20 23:54:00,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:00,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 23:54:00,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 143 transitions. [2022-02-20 23:54:00,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 23:54:00,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 143 transitions. [2022-02-20 23:54:00,121 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 143 transitions. [2022-02-20 23:54:00,198 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 143 edges. 143 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:00,200 INFO L225 Difference]: With dead ends: 157 [2022-02-20 23:54:00,200 INFO L226 Difference]: Without dead ends: 157 [2022-02-20 23:54:00,200 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 23:54:00,200 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:00,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 275 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:54:00,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-02-20 23:54:00,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-02-20 23:54:00,202 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:00,203 INFO L82 GeneralOperation]: Start isEquivalent. First operand 157 states. Second operand has 157 states, 124 states have (on average 1.3790322580645162) internal successors, (171), 156 states have internal predecessors, (171), 0 states have call successors, (0), 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 23:54:00,203 INFO L74 IsIncluded]: Start isIncluded. First operand 157 states. Second operand has 157 states, 124 states have (on average 1.3790322580645162) internal successors, (171), 156 states have internal predecessors, (171), 0 states have call successors, (0), 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 23:54:00,203 INFO L87 Difference]: Start difference. First operand 157 states. Second operand has 157 states, 124 states have (on average 1.3790322580645162) internal successors, (171), 156 states have internal predecessors, (171), 0 states have call successors, (0), 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 23:54:00,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:00,205 INFO L93 Difference]: Finished difference Result 157 states and 171 transitions. [2022-02-20 23:54:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 171 transitions. [2022-02-20 23:54:00,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:00,205 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:00,205 INFO L74 IsIncluded]: Start isIncluded. First operand has 157 states, 124 states have (on average 1.3790322580645162) internal successors, (171), 156 states have internal predecessors, (171), 0 states have call successors, (0), 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 157 states. [2022-02-20 23:54:00,206 INFO L87 Difference]: Start difference. First operand has 157 states, 124 states have (on average 1.3790322580645162) internal successors, (171), 156 states have internal predecessors, (171), 0 states have call successors, (0), 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 157 states. [2022-02-20 23:54:00,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:00,207 INFO L93 Difference]: Finished difference Result 157 states and 171 transitions. [2022-02-20 23:54:00,207 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 171 transitions. [2022-02-20 23:54:00,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:00,208 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:00,208 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:00,208 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:00,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 124 states have (on average 1.3790322580645162) internal successors, (171), 156 states have internal predecessors, (171), 0 states have call successors, (0), 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 23:54:00,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 171 transitions. [2022-02-20 23:54:00,210 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 171 transitions. Word has length 21 [2022-02-20 23:54:00,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:00,210 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 171 transitions. [2022-02-20 23:54:00,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 23:54:00,210 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 171 transitions. [2022-02-20 23:54:00,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 23:54:00,210 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:00,210 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] [2022-02-20 23:54:00,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-20 23:54:00,210 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr65REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:00,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:00,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1463640613, now seen corresponding path program 1 times [2022-02-20 23:54:00,211 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:00,211 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759679656] [2022-02-20 23:54:00,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:00,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:00,296 INFO L290 TraceCheckUtils]: 0: Hoare triple {7860#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); {7860#true} is VALID [2022-02-20 23:54:00,296 INFO L290 TraceCheckUtils]: 1: Hoare triple {7860#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {7860#true} is VALID [2022-02-20 23:54:00,297 INFO L290 TraceCheckUtils]: 2: Hoare triple {7860#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {7862#(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 23:54:00,298 INFO L290 TraceCheckUtils]: 3: Hoare triple {7862#(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~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {7862#(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 23:54:00,299 INFO L290 TraceCheckUtils]: 4: Hoare triple {7862#(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, 8 + main_~head~0#1.offset, 4); srcloc: L999 {7862#(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 23:54:00,299 INFO L290 TraceCheckUtils]: 5: Hoare triple {7862#(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; {7862#(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 23:54:00,300 INFO L290 TraceCheckUtils]: 6: Hoare triple {7862#(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; {7862#(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 23:54:00,300 INFO L290 TraceCheckUtils]: 7: Hoare triple {7862#(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; {7862#(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 23:54:00,301 INFO L290 TraceCheckUtils]: 8: Hoare triple {7862#(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); {7862#(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 23:54:00,301 INFO L290 TraceCheckUtils]: 9: Hoare triple {7862#(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; {7862#(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 23:54:00,301 INFO L290 TraceCheckUtils]: 10: Hoare triple {7862#(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); {7862#(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 23:54:00,302 INFO L290 TraceCheckUtils]: 11: Hoare triple {7862#(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); {7862#(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 23:54:00,302 INFO L290 TraceCheckUtils]: 12: Hoare triple {7862#(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); {7862#(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 23:54:00,303 INFO L290 TraceCheckUtils]: 13: Hoare triple {7862#(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~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {7863#(and (= |ULTIMATE.start_main_#t~mem20#1.base| 0) (= |ULTIMATE.start_main_#t~mem20#1.offset| 0))} is VALID [2022-02-20 23:54:00,303 INFO L290 TraceCheckUtils]: 14: Hoare triple {7863#(and (= |ULTIMATE.start_main_#t~mem20#1.base| 0) (= |ULTIMATE.start_main_#t~mem20#1.offset| 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {7864#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:54:00,304 INFO L290 TraceCheckUtils]: 15: Hoare triple {7864#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| 0))} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {7865#(not |ULTIMATE.start_main_#t~short22#1|)} is VALID [2022-02-20 23:54:00,304 INFO L290 TraceCheckUtils]: 16: Hoare triple {7865#(not |ULTIMATE.start_main_#t~short22#1|)} assume main_#t~short22#1;assume -2147483648 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 2147483647;main_#t~short22#1 := 0 != main_#t~nondet21#1; {7861#false} is VALID [2022-02-20 23:54:00,304 INFO L290 TraceCheckUtils]: 17: Hoare triple {7861#false} assume !!main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {7861#false} is VALID [2022-02-20 23:54:00,305 INFO L290 TraceCheckUtils]: 18: Hoare triple {7861#false} main_#t~short24#1 := 0 == main_~status~0#1; {7861#false} is VALID [2022-02-20 23:54:00,305 INFO L290 TraceCheckUtils]: 19: Hoare triple {7861#false} assume !main_#t~short24#1; {7861#false} is VALID [2022-02-20 23:54:00,305 INFO L290 TraceCheckUtils]: 20: Hoare triple {7861#false} assume !(1 == #valid[main_~item~0#1.base]); {7861#false} is VALID [2022-02-20 23:54:00,305 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 23:54:00,305 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:00,305 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759679656] [2022-02-20 23:54:00,305 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759679656] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:00,306 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:00,306 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:54:00,306 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86964017] [2022-02-20 23:54:00,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:00,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-02-20 23:54:00,306 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:00,307 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 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 23:54:00,320 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:00,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:54:00,321 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:00,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:54:00,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:54:00,321 INFO L87 Difference]: Start difference. First operand 157 states and 171 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 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 23:54:00,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:00,648 INFO L93 Difference]: Finished difference Result 165 states and 179 transitions. [2022-02-20 23:54:00,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:54:00,648 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2022-02-20 23:54:00,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 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 23:54:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 160 transitions. [2022-02-20 23:54:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 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 23:54:00,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 160 transitions. [2022-02-20 23:54:00,650 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 160 transitions. [2022-02-20 23:54:00,741 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 160 edges. 160 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:00,742 INFO L225 Difference]: With dead ends: 165 [2022-02-20 23:54:00,742 INFO L226 Difference]: Without dead ends: 165 [2022-02-20 23:54:00,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 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 23:54:00,743 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 9 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:00,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 589 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:54:00,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-02-20 23:54:00,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 161. [2022-02-20 23:54:00,745 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:00,745 INFO L82 GeneralOperation]: Start isEquivalent. First operand 165 states. Second operand has 161 states, 128 states have (on average 1.3671875) internal successors, (175), 160 states have internal predecessors, (175), 0 states have call successors, (0), 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 23:54:00,745 INFO L74 IsIncluded]: Start isIncluded. First operand 165 states. Second operand has 161 states, 128 states have (on average 1.3671875) internal successors, (175), 160 states have internal predecessors, (175), 0 states have call successors, (0), 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 23:54:00,745 INFO L87 Difference]: Start difference. First operand 165 states. Second operand has 161 states, 128 states have (on average 1.3671875) internal successors, (175), 160 states have internal predecessors, (175), 0 states have call successors, (0), 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 23:54:00,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:00,747 INFO L93 Difference]: Finished difference Result 165 states and 179 transitions. [2022-02-20 23:54:00,747 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 179 transitions. [2022-02-20 23:54:00,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:00,747 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:00,747 INFO L74 IsIncluded]: Start isIncluded. First operand has 161 states, 128 states have (on average 1.3671875) internal successors, (175), 160 states have internal predecessors, (175), 0 states have call successors, (0), 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 23:54:00,748 INFO L87 Difference]: Start difference. First operand has 161 states, 128 states have (on average 1.3671875) internal successors, (175), 160 states have internal predecessors, (175), 0 states have call successors, (0), 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 23:54:00,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:00,749 INFO L93 Difference]: Finished difference Result 165 states and 179 transitions. [2022-02-20 23:54:00,750 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 179 transitions. [2022-02-20 23:54:00,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:00,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:00,750 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:00,750 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:00,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 128 states have (on average 1.3671875) internal successors, (175), 160 states have internal predecessors, (175), 0 states have call successors, (0), 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 23:54:00,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 175 transitions. [2022-02-20 23:54:00,752 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 175 transitions. Word has length 21 [2022-02-20 23:54:00,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:00,752 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 175 transitions. [2022-02-20 23:54:00,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 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 23:54:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 175 transitions. [2022-02-20 23:54:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 23:54:00,753 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:00,753 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] [2022-02-20 23:54:00,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-20 23:54:00,753 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:00,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:00,753 INFO L85 PathProgramCache]: Analyzing trace with hash -348511767, now seen corresponding path program 1 times [2022-02-20 23:54:00,754 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:00,754 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194467155] [2022-02-20 23:54:00,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:00,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:00,791 INFO L290 TraceCheckUtils]: 0: Hoare triple {8530#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); {8530#true} is VALID [2022-02-20 23:54:00,792 INFO L290 TraceCheckUtils]: 1: Hoare triple {8530#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,792 INFO L290 TraceCheckUtils]: 2: Hoare triple {8532#(<= (+ |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: L998 {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,793 INFO L290 TraceCheckUtils]: 3: Hoare triple {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,793 INFO L290 TraceCheckUtils]: 4: Hoare triple {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,793 INFO L290 TraceCheckUtils]: 5: Hoare triple {8532#(<= (+ |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; {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,793 INFO L290 TraceCheckUtils]: 6: Hoare triple {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,794 INFO L290 TraceCheckUtils]: 7: Hoare triple {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,794 INFO L290 TraceCheckUtils]: 8: Hoare triple {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,794 INFO L290 TraceCheckUtils]: 9: Hoare triple {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} goto; {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,795 INFO L290 TraceCheckUtils]: 10: Hoare triple {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(1 == main_~status~0#1); {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,795 INFO L290 TraceCheckUtils]: 11: Hoare triple {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(2 == main_~status~0#1); {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,795 INFO L290 TraceCheckUtils]: 12: Hoare triple {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(3 == main_~status~0#1); {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,796 INFO L290 TraceCheckUtils]: 13: Hoare triple {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,796 INFO L290 TraceCheckUtils]: 14: Hoare triple {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,796 INFO L290 TraceCheckUtils]: 15: Hoare triple {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,796 INFO L290 TraceCheckUtils]: 16: Hoare triple {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short22#1; {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,797 INFO L290 TraceCheckUtils]: 17: Hoare triple {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {8532#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,797 INFO L290 TraceCheckUtils]: 18: Hoare triple {8532#(<= (+ |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; {8533#(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 23:54:00,798 INFO L290 TraceCheckUtils]: 19: Hoare triple {8533#(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~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1063 {8534#(<= (+ |ULTIMATE.start_main_~item~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,798 INFO L290 TraceCheckUtils]: 20: Hoare triple {8534#(<= (+ |ULTIMATE.start_main_~item~0#1.base| 1) |#StackHeapBarrier|)} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem26#1.base, main_#t~mem26#1.offset;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {8534#(<= (+ |ULTIMATE.start_main_~item~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,798 INFO L290 TraceCheckUtils]: 21: Hoare triple {8534#(<= (+ |ULTIMATE.start_main_~item~0#1.base| 1) |#StackHeapBarrier|)} assume 0 == main_~item~0#1.offset; {8534#(<= (+ |ULTIMATE.start_main_~item~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:00,799 INFO L290 TraceCheckUtils]: 22: Hoare triple {8534#(<= (+ |ULTIMATE.start_main_~item~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~item~0#1.base < #StackHeapBarrier); {8531#false} is VALID [2022-02-20 23:54:00,799 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 23:54:00,799 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:00,799 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194467155] [2022-02-20 23:54:00,799 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194467155] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:00,799 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:00,799 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:54:00,800 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841508711] [2022-02-20 23:54:00,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:00,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-02-20 23:54:00,800 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:00,800 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 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 23:54:00,814 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:00,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:54:00,814 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:00,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:54:00,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:54:00,815 INFO L87 Difference]: Start difference. First operand 161 states and 175 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 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 23:54:01,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:01,122 INFO L93 Difference]: Finished difference Result 161 states and 174 transitions. [2022-02-20 23:54:01,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:54:01,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-02-20 23:54:01,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:01,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 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 23:54:01,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 164 transitions. [2022-02-20 23:54:01,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 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 23:54:01,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 164 transitions. [2022-02-20 23:54:01,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 164 transitions. [2022-02-20 23:54:01,226 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 164 edges. 164 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:01,231 INFO L225 Difference]: With dead ends: 161 [2022-02-20 23:54:01,231 INFO L226 Difference]: Without dead ends: 161 [2022-02-20 23:54:01,231 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 23:54:01,231 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 133 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:01,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 303 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:54:01,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-02-20 23:54:01,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-02-20 23:54:01,233 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:01,233 INFO L82 GeneralOperation]: Start isEquivalent. First operand 161 states. Second operand has 161 states, 128 states have (on average 1.359375) internal successors, (174), 160 states have internal predecessors, (174), 0 states have call successors, (0), 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 23:54:01,234 INFO L74 IsIncluded]: Start isIncluded. First operand 161 states. Second operand has 161 states, 128 states have (on average 1.359375) internal successors, (174), 160 states have internal predecessors, (174), 0 states have call successors, (0), 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 23:54:01,234 INFO L87 Difference]: Start difference. First operand 161 states. Second operand has 161 states, 128 states have (on average 1.359375) internal successors, (174), 160 states have internal predecessors, (174), 0 states have call successors, (0), 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 23:54:01,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:01,235 INFO L93 Difference]: Finished difference Result 161 states and 174 transitions. [2022-02-20 23:54:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2022-02-20 23:54:01,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:01,236 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:01,236 INFO L74 IsIncluded]: Start isIncluded. First operand has 161 states, 128 states have (on average 1.359375) internal successors, (174), 160 states have internal predecessors, (174), 0 states have call successors, (0), 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 23:54:01,236 INFO L87 Difference]: Start difference. First operand has 161 states, 128 states have (on average 1.359375) internal successors, (174), 160 states have internal predecessors, (174), 0 states have call successors, (0), 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 23:54:01,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:01,238 INFO L93 Difference]: Finished difference Result 161 states and 174 transitions. [2022-02-20 23:54:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2022-02-20 23:54:01,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:01,238 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:01,238 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:01,238 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:01,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 128 states have (on average 1.359375) internal successors, (174), 160 states have internal predecessors, (174), 0 states have call successors, (0), 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 23:54:01,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 174 transitions. [2022-02-20 23:54:01,240 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 174 transitions. Word has length 23 [2022-02-20 23:54:01,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:01,240 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 174 transitions. [2022-02-20 23:54:01,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 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 23:54:01,241 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2022-02-20 23:54:01,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 23:54:01,241 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:01,241 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] [2022-02-20 23:54:01,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-20 23:54:01,241 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:01,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:01,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1959765219, now seen corresponding path program 1 times [2022-02-20 23:54:01,241 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:01,241 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651254614] [2022-02-20 23:54:01,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:01,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:01,301 INFO L290 TraceCheckUtils]: 0: Hoare triple {9181#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); {9183#(= (select |#valid| 0) 0)} is VALID [2022-02-20 23:54:01,302 INFO L290 TraceCheckUtils]: 1: Hoare triple {9183#(= (select |#valid| 0) 0)} 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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {9183#(= (select |#valid| 0) 0)} is VALID [2022-02-20 23:54:01,302 INFO L290 TraceCheckUtils]: 2: Hoare triple {9183#(= (select |#valid| 0) 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {9183#(= (select |#valid| 0) 0)} is VALID [2022-02-20 23:54:01,302 INFO L290 TraceCheckUtils]: 3: Hoare triple {9183#(= (select |#valid| 0) 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {9183#(= (select |#valid| 0) 0)} is VALID [2022-02-20 23:54:01,303 INFO L290 TraceCheckUtils]: 4: Hoare triple {9183#(= (select |#valid| 0) 0)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {9183#(= (select |#valid| 0) 0)} is VALID [2022-02-20 23:54:01,303 INFO L290 TraceCheckUtils]: 5: Hoare triple {9183#(= (select |#valid| 0) 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; {9183#(= (select |#valid| 0) 0)} is VALID [2022-02-20 23:54:01,303 INFO L290 TraceCheckUtils]: 6: Hoare triple {9183#(= (select |#valid| 0) 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9183#(= (select |#valid| 0) 0)} is VALID [2022-02-20 23:54:01,305 INFO L290 TraceCheckUtils]: 7: Hoare triple {9183#(= (select |#valid| 0) 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(12); {9184#(and (= (select |#valid| 0) 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| 0)))} is VALID [2022-02-20 23:54:01,305 INFO L290 TraceCheckUtils]: 8: Hoare triple {9184#(and (= (select |#valid| 0) 0) (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: L1006 {9183#(= (select |#valid| 0) 0)} is VALID [2022-02-20 23:54:01,305 INFO L290 TraceCheckUtils]: 9: Hoare triple {9183#(= (select |#valid| 0) 0)} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {9183#(= (select |#valid| 0) 0)} is VALID [2022-02-20 23:54:01,306 INFO L290 TraceCheckUtils]: 10: Hoare triple {9183#(= (select |#valid| 0) 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: L1007 {9183#(= (select |#valid| 0) 0)} is VALID [2022-02-20 23:54:01,307 INFO L290 TraceCheckUtils]: 11: Hoare triple {9183#(= (select |#valid| 0) 0)} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {9183#(= (select |#valid| 0) 0)} is VALID [2022-02-20 23:54:01,307 INFO L290 TraceCheckUtils]: 12: Hoare triple {9183#(= (select |#valid| 0) 0)} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {9183#(= (select |#valid| 0) 0)} is VALID [2022-02-20 23:54:01,309 INFO L290 TraceCheckUtils]: 13: Hoare triple {9183#(= (select |#valid| 0) 0)} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {9183#(= (select |#valid| 0) 0)} is VALID [2022-02-20 23:54:01,309 INFO L290 TraceCheckUtils]: 14: Hoare triple {9183#(= (select |#valid| 0) 0)} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {9185#(or (not (= |ULTIMATE.start_main_~item~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 0))} is VALID [2022-02-20 23:54:01,310 INFO L290 TraceCheckUtils]: 15: Hoare triple {9185#(or (not (= |ULTIMATE.start_main_~item~0#1.base| 0)) (= (select |#valid| |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: L1009 {9186#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:54:01,310 INFO L290 TraceCheckUtils]: 16: Hoare triple {9186#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} assume 0 == main_~status~0#1; {9186#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:54:01,311 INFO L290 TraceCheckUtils]: 17: Hoare triple {9186#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} SUMMARY for call write~int(1, main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {9186#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:54:01,311 INFO L290 TraceCheckUtils]: 18: Hoare triple {9186#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} main_~status~0#1 := 1; {9186#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:54:01,311 INFO L290 TraceCheckUtils]: 19: Hoare triple {9186#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {9186#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:54:01,311 INFO L290 TraceCheckUtils]: 20: Hoare triple {9186#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} goto; {9186#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} is VALID [2022-02-20 23:54:01,312 INFO L290 TraceCheckUtils]: 21: Hoare triple {9186#(not (= |ULTIMATE.start_main_~item~0#1.base| 0))} assume !(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {9182#false} is VALID [2022-02-20 23:54:01,312 INFO L290 TraceCheckUtils]: 22: Hoare triple {9182#false} assume !false; {9182#false} is VALID [2022-02-20 23:54:01,312 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 23:54:01,312 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:01,312 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651254614] [2022-02-20 23:54:01,312 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651254614] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:01,312 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:01,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:54:01,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513229019] [2022-02-20 23:54:01,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:01,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-02-20 23:54:01,313 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:01,313 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 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 23:54:01,326 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:01,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:54:01,326 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:01,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:54:01,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:54:01,326 INFO L87 Difference]: Start difference. First operand 161 states and 174 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 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 23:54:01,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:01,602 INFO L93 Difference]: Finished difference Result 162 states and 173 transitions. [2022-02-20 23:54:01,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 23:54:01,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-02-20 23:54:01,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:01,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 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 23:54:01,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 157 transitions. [2022-02-20 23:54:01,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 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 23:54:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 157 transitions. [2022-02-20 23:54:01,604 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 157 transitions. [2022-02-20 23:54:01,702 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 23:54:01,703 INFO L225 Difference]: With dead ends: 162 [2022-02-20 23:54:01,703 INFO L226 Difference]: Without dead ends: 162 [2022-02-20 23:54:01,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:54:01,704 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 230 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:01,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 235 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:54:01,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-02-20 23:54:01,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 159. [2022-02-20 23:54:01,706 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:01,706 INFO L82 GeneralOperation]: Start isEquivalent. First operand 162 states. Second operand has 159 states, 127 states have (on average 1.3543307086614174) internal successors, (172), 158 states have internal predecessors, (172), 0 states have call successors, (0), 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 23:54:01,706 INFO L74 IsIncluded]: Start isIncluded. First operand 162 states. Second operand has 159 states, 127 states have (on average 1.3543307086614174) internal successors, (172), 158 states have internal predecessors, (172), 0 states have call successors, (0), 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 23:54:01,707 INFO L87 Difference]: Start difference. First operand 162 states. Second operand has 159 states, 127 states have (on average 1.3543307086614174) internal successors, (172), 158 states have internal predecessors, (172), 0 states have call successors, (0), 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 23:54:01,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:01,708 INFO L93 Difference]: Finished difference Result 162 states and 173 transitions. [2022-02-20 23:54:01,708 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2022-02-20 23:54:01,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:01,708 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:01,709 INFO L74 IsIncluded]: Start isIncluded. First operand has 159 states, 127 states have (on average 1.3543307086614174) internal successors, (172), 158 states have internal predecessors, (172), 0 states have call successors, (0), 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 162 states. [2022-02-20 23:54:01,709 INFO L87 Difference]: Start difference. First operand has 159 states, 127 states have (on average 1.3543307086614174) internal successors, (172), 158 states have internal predecessors, (172), 0 states have call successors, (0), 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 162 states. [2022-02-20 23:54:01,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:01,711 INFO L93 Difference]: Finished difference Result 162 states and 173 transitions. [2022-02-20 23:54:01,711 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2022-02-20 23:54:01,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:01,711 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:01,711 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:01,711 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:01,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 127 states have (on average 1.3543307086614174) internal successors, (172), 158 states have internal predecessors, (172), 0 states have call successors, (0), 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 23:54:01,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 172 transitions. [2022-02-20 23:54:01,713 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 172 transitions. Word has length 23 [2022-02-20 23:54:01,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:01,713 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 172 transitions. [2022-02-20 23:54:01,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 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 23:54:01,713 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2022-02-20 23:54:01,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:54:01,713 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:01,713 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] [2022-02-20 23:54:01,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-20 23:54:01,713 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:01,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:01,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1577640795, now seen corresponding path program 1 times [2022-02-20 23:54:01,714 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:01,714 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91035824] [2022-02-20 23:54:01,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:01,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:01,765 INFO L290 TraceCheckUtils]: 0: Hoare triple {9838#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); {9838#true} is VALID [2022-02-20 23:54:01,765 INFO L290 TraceCheckUtils]: 1: Hoare triple {9838#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {9838#true} is VALID [2022-02-20 23:54:01,766 INFO L290 TraceCheckUtils]: 2: Hoare triple {9838#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {9840#(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 23:54:01,767 INFO L290 TraceCheckUtils]: 3: Hoare triple {9840#(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~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {9840#(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 23:54:01,767 INFO L290 TraceCheckUtils]: 4: Hoare triple {9840#(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, 8 + main_~head~0#1.offset, 4); srcloc: L999 {9840#(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 23:54:01,768 INFO L290 TraceCheckUtils]: 5: Hoare triple {9840#(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; {9840#(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 23:54:01,768 INFO L290 TraceCheckUtils]: 6: Hoare triple {9840#(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; {9840#(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 23:54:01,769 INFO L290 TraceCheckUtils]: 7: Hoare triple {9840#(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; {9840#(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 23:54:01,769 INFO L290 TraceCheckUtils]: 8: Hoare triple {9840#(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); {9840#(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 23:54:01,769 INFO L290 TraceCheckUtils]: 9: Hoare triple {9840#(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; {9840#(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 23:54:01,770 INFO L290 TraceCheckUtils]: 10: Hoare triple {9840#(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); {9840#(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 23:54:01,772 INFO L290 TraceCheckUtils]: 11: Hoare triple {9840#(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); {9840#(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 23:54:01,773 INFO L290 TraceCheckUtils]: 12: Hoare triple {9840#(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); {9840#(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 23:54:01,773 INFO L290 TraceCheckUtils]: 13: Hoare triple {9840#(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~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {9840#(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 23:54:01,773 INFO L290 TraceCheckUtils]: 14: Hoare triple {9840#(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~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {9840#(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 23:54:01,774 INFO L290 TraceCheckUtils]: 15: Hoare triple {9840#(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~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {9840#(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 23:54:01,774 INFO L290 TraceCheckUtils]: 16: Hoare triple {9840#(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~short22#1; {9840#(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 23:54:01,775 INFO L290 TraceCheckUtils]: 17: Hoare triple {9840#(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~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {9840#(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 23:54:01,775 INFO L290 TraceCheckUtils]: 18: Hoare triple {9840#(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; {9840#(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 23:54:01,775 INFO L290 TraceCheckUtils]: 19: Hoare triple {9840#(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~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1063 {9841#(and (= |ULTIMATE.start_main_#t~mem26#1.base| 0) (= |ULTIMATE.start_main_#t~mem26#1.offset| 0))} is VALID [2022-02-20 23:54:01,776 INFO L290 TraceCheckUtils]: 20: Hoare triple {9841#(and (= |ULTIMATE.start_main_#t~mem26#1.base| 0) (= |ULTIMATE.start_main_#t~mem26#1.offset| 0))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem26#1.base, main_#t~mem26#1.offset;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:01,776 INFO L290 TraceCheckUtils]: 21: Hoare triple {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 == main_~item~0#1.offset; {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:01,776 INFO L290 TraceCheckUtils]: 22: Hoare triple {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume main_~item~0#1.base < #StackHeapBarrier; {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:01,777 INFO L290 TraceCheckUtils]: 23: Hoare triple {9842#(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); {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:01,777 INFO L290 TraceCheckUtils]: 24: Hoare triple {9842#(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; {9839#false} is VALID [2022-02-20 23:54:01,777 INFO L290 TraceCheckUtils]: 25: Hoare triple {9839#false} assume !(1 == #valid[main_~head~0#1.base]); {9839#false} is VALID [2022-02-20 23:54:01,778 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 23:54:01,778 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:01,778 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91035824] [2022-02-20 23:54:01,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91035824] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:54:01,778 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599801889] [2022-02-20 23:54:01,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:01,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:01,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:01,780 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 23:54:01,808 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 23:54:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:01,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-20 23:54:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:01,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:02,085 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 23:54:02,098 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 23:54:02,126 INFO L290 TraceCheckUtils]: 0: Hoare triple {9838#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); {9838#true} is VALID [2022-02-20 23:54:02,127 INFO L290 TraceCheckUtils]: 1: Hoare triple {9838#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {9838#true} is VALID [2022-02-20 23:54:02,127 INFO L290 TraceCheckUtils]: 2: Hoare triple {9838#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {9838#true} is VALID [2022-02-20 23:54:02,127 INFO L290 TraceCheckUtils]: 3: Hoare triple {9838#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {9838#true} is VALID [2022-02-20 23:54:02,127 INFO L290 TraceCheckUtils]: 4: Hoare triple {9838#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {9838#true} is VALID [2022-02-20 23:54:02,127 INFO L290 TraceCheckUtils]: 5: Hoare triple {9838#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; {9838#true} is VALID [2022-02-20 23:54:02,127 INFO L290 TraceCheckUtils]: 6: Hoare triple {9838#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9838#true} is VALID [2022-02-20 23:54:02,127 INFO L290 TraceCheckUtils]: 7: Hoare triple {9838#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {9838#true} is VALID [2022-02-20 23:54:02,127 INFO L290 TraceCheckUtils]: 8: Hoare triple {9838#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {9838#true} is VALID [2022-02-20 23:54:02,128 INFO L290 TraceCheckUtils]: 9: Hoare triple {9838#true} goto; {9838#true} is VALID [2022-02-20 23:54:02,128 INFO L290 TraceCheckUtils]: 10: Hoare triple {9838#true} assume !(1 == main_~status~0#1); {9838#true} is VALID [2022-02-20 23:54:02,128 INFO L290 TraceCheckUtils]: 11: Hoare triple {9838#true} assume !(2 == main_~status~0#1); {9838#true} is VALID [2022-02-20 23:54:02,128 INFO L290 TraceCheckUtils]: 12: Hoare triple {9838#true} assume !(3 == main_~status~0#1); {9838#true} is VALID [2022-02-20 23:54:02,129 INFO L290 TraceCheckUtils]: 13: Hoare triple {9838#true} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {9885#(and (= |ULTIMATE.start_main_#t~mem20#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_#t~mem20#1.offset|))} is VALID [2022-02-20 23:54:02,129 INFO L290 TraceCheckUtils]: 14: Hoare triple {9885#(and (= |ULTIMATE.start_main_#t~mem20#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_#t~mem20#1.offset|))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {9889#(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 23:54:02,130 INFO L290 TraceCheckUtils]: 15: Hoare triple {9889#(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~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {9893#(or (and |ULTIMATE.start_main_#t~short22#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~short22#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 23:54:02,131 INFO L290 TraceCheckUtils]: 16: Hoare triple {9893#(or (and |ULTIMATE.start_main_#t~short22#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~short22#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !main_#t~short22#1; {9840#(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 23:54:02,131 INFO L290 TraceCheckUtils]: 17: Hoare triple {9840#(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~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {9840#(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 23:54:02,131 INFO L290 TraceCheckUtils]: 18: Hoare triple {9840#(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; {9840#(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 23:54:02,132 INFO L290 TraceCheckUtils]: 19: Hoare triple {9840#(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~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1063 {9841#(and (= |ULTIMATE.start_main_#t~mem26#1.base| 0) (= |ULTIMATE.start_main_#t~mem26#1.offset| 0))} is VALID [2022-02-20 23:54:02,132 INFO L290 TraceCheckUtils]: 20: Hoare triple {9841#(and (= |ULTIMATE.start_main_#t~mem26#1.base| 0) (= |ULTIMATE.start_main_#t~mem26#1.offset| 0))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem26#1.base, main_#t~mem26#1.offset;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:02,132 INFO L290 TraceCheckUtils]: 21: Hoare triple {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 == main_~item~0#1.offset; {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:02,137 INFO L290 TraceCheckUtils]: 22: Hoare triple {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume main_~item~0#1.base < #StackHeapBarrier; {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:02,137 INFO L290 TraceCheckUtils]: 23: Hoare triple {9842#(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); {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:02,138 INFO L290 TraceCheckUtils]: 24: Hoare triple {9842#(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; {9839#false} is VALID [2022-02-20 23:54:02,139 INFO L290 TraceCheckUtils]: 25: Hoare triple {9839#false} assume !(1 == #valid[main_~head~0#1.base]); {9839#false} is VALID [2022-02-20 23:54:02,139 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 23:54:02,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:54:02,277 INFO L290 TraceCheckUtils]: 25: Hoare triple {9839#false} assume !(1 == #valid[main_~head~0#1.base]); {9839#false} is VALID [2022-02-20 23:54:02,278 INFO L290 TraceCheckUtils]: 24: Hoare triple {9842#(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; {9839#false} is VALID [2022-02-20 23:54:02,279 INFO L290 TraceCheckUtils]: 23: Hoare triple {9842#(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); {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:02,279 INFO L290 TraceCheckUtils]: 22: Hoare triple {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume main_~item~0#1.base < #StackHeapBarrier; {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:02,280 INFO L290 TraceCheckUtils]: 21: Hoare triple {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 == main_~item~0#1.offset; {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:02,280 INFO L290 TraceCheckUtils]: 20: Hoare triple {9841#(and (= |ULTIMATE.start_main_#t~mem26#1.base| 0) (= |ULTIMATE.start_main_#t~mem26#1.offset| 0))} main_~head~0#1.base, main_~head~0#1.offset := main_#t~mem26#1.base, main_#t~mem26#1.offset;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {9842#(and (= |ULTIMATE.start_main_~head~0#1.base| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:02,281 INFO L290 TraceCheckUtils]: 19: Hoare triple {9840#(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~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1063 {9841#(and (= |ULTIMATE.start_main_#t~mem26#1.base| 0) (= |ULTIMATE.start_main_#t~mem26#1.offset| 0))} is VALID [2022-02-20 23:54:02,282 INFO L290 TraceCheckUtils]: 18: Hoare triple {9840#(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; {9840#(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 23:54:02,282 INFO L290 TraceCheckUtils]: 17: Hoare triple {9840#(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~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {9840#(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 23:54:02,284 INFO L290 TraceCheckUtils]: 16: Hoare triple {9951#(or |ULTIMATE.start_main_#t~short22#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~short22#1; {9840#(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 23:54:02,285 INFO L290 TraceCheckUtils]: 15: Hoare triple {9955#(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~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {9951#(or |ULTIMATE.start_main_#t~short22#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 23:54:02,285 INFO L290 TraceCheckUtils]: 14: Hoare triple {9959#(or (not (= |ULTIMATE.start_main_#t~mem20#1.offset| 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)) (not (= |ULTIMATE.start_main_#t~mem20#1.base| 0)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {9955#(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 23:54:02,286 INFO L290 TraceCheckUtils]: 13: Hoare triple {9838#true} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {9959#(or (not (= |ULTIMATE.start_main_#t~mem20#1.offset| 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)) (not (= |ULTIMATE.start_main_#t~mem20#1.base| 0)))} is VALID [2022-02-20 23:54:02,286 INFO L290 TraceCheckUtils]: 12: Hoare triple {9838#true} assume !(3 == main_~status~0#1); {9838#true} is VALID [2022-02-20 23:54:02,286 INFO L290 TraceCheckUtils]: 11: Hoare triple {9838#true} assume !(2 == main_~status~0#1); {9838#true} is VALID [2022-02-20 23:54:02,286 INFO L290 TraceCheckUtils]: 10: Hoare triple {9838#true} assume !(1 == main_~status~0#1); {9838#true} is VALID [2022-02-20 23:54:02,286 INFO L290 TraceCheckUtils]: 9: Hoare triple {9838#true} goto; {9838#true} is VALID [2022-02-20 23:54:02,287 INFO L290 TraceCheckUtils]: 8: Hoare triple {9838#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {9838#true} is VALID [2022-02-20 23:54:02,287 INFO L290 TraceCheckUtils]: 7: Hoare triple {9838#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {9838#true} is VALID [2022-02-20 23:54:02,287 INFO L290 TraceCheckUtils]: 6: Hoare triple {9838#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9838#true} is VALID [2022-02-20 23:54:02,287 INFO L290 TraceCheckUtils]: 5: Hoare triple {9838#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; {9838#true} is VALID [2022-02-20 23:54:02,288 INFO L290 TraceCheckUtils]: 4: Hoare triple {9838#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {9838#true} is VALID [2022-02-20 23:54:02,288 INFO L290 TraceCheckUtils]: 3: Hoare triple {9838#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {9838#true} is VALID [2022-02-20 23:54:02,288 INFO L290 TraceCheckUtils]: 2: Hoare triple {9838#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {9838#true} is VALID [2022-02-20 23:54:02,288 INFO L290 TraceCheckUtils]: 1: Hoare triple {9838#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {9838#true} is VALID [2022-02-20 23:54:02,288 INFO L290 TraceCheckUtils]: 0: Hoare triple {9838#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); {9838#true} is VALID [2022-02-20 23:54:02,289 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 23:54:02,289 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599801889] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:54:02,289 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:54:02,289 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 11 [2022-02-20 23:54:02,290 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004977863] [2022-02-20 23:54:02,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:54:02,291 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 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 23:54:02,292 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:02,292 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 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 23:54:02,316 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:02,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-20 23:54:02,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:02,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-20 23:54:02,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-02-20 23:54:02,317 INFO L87 Difference]: Start difference. First operand 159 states and 172 transitions. Second operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 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 23:54:03,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:03,145 INFO L93 Difference]: Finished difference Result 188 states and 206 transitions. [2022-02-20 23:54:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-20 23:54:03,145 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 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 23:54:03,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:03,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 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 23:54:03,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 182 transitions. [2022-02-20 23:54:03,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 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 23:54:03,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 182 transitions. [2022-02-20 23:54:03,147 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 182 transitions. [2022-02-20 23:54:03,283 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 182 edges. 182 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:03,284 INFO L225 Difference]: With dead ends: 188 [2022-02-20 23:54:03,284 INFO L226 Difference]: Without dead ends: 188 [2022-02-20 23:54:03,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 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 23:54:03,285 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 159 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:03,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 573 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:54:03,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-02-20 23:54:03,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 169. [2022-02-20 23:54:03,287 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:03,287 INFO L82 GeneralOperation]: Start isEquivalent. First operand 188 states. Second operand has 169 states, 137 states have (on average 1.3357664233576643) internal successors, (183), 168 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 23:54:03,287 INFO L74 IsIncluded]: Start isIncluded. First operand 188 states. Second operand has 169 states, 137 states have (on average 1.3357664233576643) internal successors, (183), 168 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 23:54:03,288 INFO L87 Difference]: Start difference. First operand 188 states. Second operand has 169 states, 137 states have (on average 1.3357664233576643) internal successors, (183), 168 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 23:54:03,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:03,289 INFO L93 Difference]: Finished difference Result 188 states and 206 transitions. [2022-02-20 23:54:03,290 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 206 transitions. [2022-02-20 23:54:03,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:03,290 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:03,290 INFO L74 IsIncluded]: Start isIncluded. First operand has 169 states, 137 states have (on average 1.3357664233576643) internal successors, (183), 168 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 188 states. [2022-02-20 23:54:03,290 INFO L87 Difference]: Start difference. First operand has 169 states, 137 states have (on average 1.3357664233576643) internal successors, (183), 168 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 188 states. [2022-02-20 23:54:03,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:03,292 INFO L93 Difference]: Finished difference Result 188 states and 206 transitions. [2022-02-20 23:54:03,292 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 206 transitions. [2022-02-20 23:54:03,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:03,292 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:03,292 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:03,292 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:03,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 137 states have (on average 1.3357664233576643) internal successors, (183), 168 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 23:54:03,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 183 transitions. [2022-02-20 23:54:03,294 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 183 transitions. Word has length 26 [2022-02-20 23:54:03,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:03,294 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 183 transitions. [2022-02-20 23:54:03,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 0 states have call successors, (0), 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 23:54:03,294 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 183 transitions. [2022-02-20 23:54:03,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 23:54:03,295 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:03,295 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, 1] [2022-02-20 23:54:03,318 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 23:54:03,518 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,SelfDestructingSolverStorable14 [2022-02-20 23:54:03,521 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:03,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:03,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1662225504, now seen corresponding path program 1 times [2022-02-20 23:54:03,521 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:03,521 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402123191] [2022-02-20 23:54:03,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:03,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:03,581 INFO L290 TraceCheckUtils]: 0: Hoare triple {10746#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); {10746#true} is VALID [2022-02-20 23:54:03,583 INFO L290 TraceCheckUtils]: 1: Hoare triple {10746#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,583 INFO L290 TraceCheckUtils]: 2: Hoare triple {10748#(= (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: L998 {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,583 INFO L290 TraceCheckUtils]: 3: Hoare triple {10748#(= (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, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,584 INFO L290 TraceCheckUtils]: 4: Hoare triple {10748#(= (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, 8 + main_~head~0#1.offset, 4); srcloc: L999 {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,584 INFO L290 TraceCheckUtils]: 5: Hoare triple {10748#(= (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; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,584 INFO L290 TraceCheckUtils]: 6: Hoare triple {10748#(= (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; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,584 INFO L290 TraceCheckUtils]: 7: Hoare triple {10748#(= (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; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,585 INFO L290 TraceCheckUtils]: 8: Hoare triple {10748#(= (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); {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,585 INFO L290 TraceCheckUtils]: 9: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} goto; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,586 INFO L290 TraceCheckUtils]: 10: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(1 == main_~status~0#1); {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,586 INFO L290 TraceCheckUtils]: 11: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(2 == main_~status~0#1); {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,586 INFO L290 TraceCheckUtils]: 12: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(3 == main_~status~0#1); {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,586 INFO L290 TraceCheckUtils]: 13: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,587 INFO L290 TraceCheckUtils]: 14: Hoare triple {10748#(= (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~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,587 INFO L290 TraceCheckUtils]: 15: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,587 INFO L290 TraceCheckUtils]: 16: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short22#1; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,587 INFO L290 TraceCheckUtils]: 17: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,588 INFO L290 TraceCheckUtils]: 18: Hoare triple {10748#(= (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; {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,588 INFO L290 TraceCheckUtils]: 19: Hoare triple {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1063 {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,588 INFO L290 TraceCheckUtils]: 20: Hoare triple {10749#(= (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~mem26#1.base, main_#t~mem26#1.offset;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,588 INFO L290 TraceCheckUtils]: 21: Hoare triple {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~item~0#1.offset; {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,589 INFO L290 TraceCheckUtils]: 22: Hoare triple {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~item~0#1.base < #StackHeapBarrier; {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,589 INFO L290 TraceCheckUtils]: 23: Hoare triple {10749#(= (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); {10750#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:54:03,589 INFO L290 TraceCheckUtils]: 24: Hoare triple {10750#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {10750#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:54:03,589 INFO L290 TraceCheckUtils]: 25: Hoare triple {10750#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} main_#res#1 := 0; {10750#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:54:03,590 INFO L290 TraceCheckUtils]: 26: Hoare triple {10750#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(#valid == main_old_#valid#1); {10747#false} is VALID [2022-02-20 23:54:03,590 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 23:54:03,590 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:03,590 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402123191] [2022-02-20 23:54:03,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402123191] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:54:03,590 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244258585] [2022-02-20 23:54:03,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:03,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:03,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:03,591 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 23:54:03,592 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 23:54:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:03,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-20 23:54:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:03,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:03,772 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 23:54:03,804 INFO L290 TraceCheckUtils]: 0: Hoare triple {10746#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); {10746#true} is VALID [2022-02-20 23:54:03,805 INFO L290 TraceCheckUtils]: 1: Hoare triple {10746#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,805 INFO L290 TraceCheckUtils]: 2: Hoare triple {10748#(= (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: L998 {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,805 INFO L290 TraceCheckUtils]: 3: Hoare triple {10748#(= (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, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,805 INFO L290 TraceCheckUtils]: 4: Hoare triple {10748#(= (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, 8 + main_~head~0#1.offset, 4); srcloc: L999 {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,806 INFO L290 TraceCheckUtils]: 5: Hoare triple {10748#(= (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; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,806 INFO L290 TraceCheckUtils]: 6: Hoare triple {10748#(= (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; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,806 INFO L290 TraceCheckUtils]: 7: Hoare triple {10748#(= (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; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,807 INFO L290 TraceCheckUtils]: 8: Hoare triple {10748#(= (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); {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,808 INFO L290 TraceCheckUtils]: 9: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} goto; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,808 INFO L290 TraceCheckUtils]: 10: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(1 == main_~status~0#1); {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,808 INFO L290 TraceCheckUtils]: 11: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(2 == main_~status~0#1); {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,808 INFO L290 TraceCheckUtils]: 12: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(3 == main_~status~0#1); {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,809 INFO L290 TraceCheckUtils]: 13: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,809 INFO L290 TraceCheckUtils]: 14: Hoare triple {10748#(= (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~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,809 INFO L290 TraceCheckUtils]: 15: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,809 INFO L290 TraceCheckUtils]: 16: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short22#1; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,810 INFO L290 TraceCheckUtils]: 17: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,810 INFO L290 TraceCheckUtils]: 18: Hoare triple {10748#(= (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; {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,810 INFO L290 TraceCheckUtils]: 19: Hoare triple {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1063 {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,811 INFO L290 TraceCheckUtils]: 20: Hoare triple {10749#(= (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~mem26#1.base, main_#t~mem26#1.offset;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,811 INFO L290 TraceCheckUtils]: 21: Hoare triple {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~item~0#1.offset; {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,811 INFO L290 TraceCheckUtils]: 22: Hoare triple {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~item~0#1.base < #StackHeapBarrier; {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,812 INFO L290 TraceCheckUtils]: 23: Hoare triple {10749#(= (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); {10823#(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 23:54:03,812 INFO L290 TraceCheckUtils]: 24: Hoare triple {10823#(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); {10823#(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 23:54:03,813 INFO L290 TraceCheckUtils]: 25: Hoare triple {10823#(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; {10823#(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 23:54:03,813 INFO L290 TraceCheckUtils]: 26: Hoare triple {10823#(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); {10747#false} is VALID [2022-02-20 23:54:03,814 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 23:54:03,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:54:03,883 INFO L290 TraceCheckUtils]: 26: Hoare triple {10750#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(#valid == main_old_#valid#1); {10747#false} is VALID [2022-02-20 23:54:03,883 INFO L290 TraceCheckUtils]: 25: Hoare triple {10750#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} main_#res#1 := 0; {10750#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:54:03,884 INFO L290 TraceCheckUtils]: 24: Hoare triple {10750#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {10750#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:54:03,884 INFO L290 TraceCheckUtils]: 23: Hoare triple {10749#(= (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); {10750#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:54:03,884 INFO L290 TraceCheckUtils]: 22: Hoare triple {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~item~0#1.base < #StackHeapBarrier; {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,885 INFO L290 TraceCheckUtils]: 21: Hoare triple {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~item~0#1.offset; {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,885 INFO L290 TraceCheckUtils]: 20: Hoare triple {10749#(= (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~mem26#1.base, main_#t~mem26#1.offset;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,885 INFO L290 TraceCheckUtils]: 19: Hoare triple {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1063 {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,886 INFO L290 TraceCheckUtils]: 18: Hoare triple {10748#(= (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; {10749#(= (store |#valid| |ULTIMATE.start_main_~item~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,886 INFO L290 TraceCheckUtils]: 17: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,886 INFO L290 TraceCheckUtils]: 16: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short22#1; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,886 INFO L290 TraceCheckUtils]: 15: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,887 INFO L290 TraceCheckUtils]: 14: Hoare triple {10748#(= (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~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,887 INFO L290 TraceCheckUtils]: 13: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,887 INFO L290 TraceCheckUtils]: 12: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(3 == main_~status~0#1); {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,892 INFO L290 TraceCheckUtils]: 11: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(2 == main_~status~0#1); {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,892 INFO L290 TraceCheckUtils]: 10: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(1 == main_~status~0#1); {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,892 INFO L290 TraceCheckUtils]: 9: Hoare triple {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} goto; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,893 INFO L290 TraceCheckUtils]: 8: Hoare triple {10748#(= (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); {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,893 INFO L290 TraceCheckUtils]: 7: Hoare triple {10748#(= (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; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,894 INFO L290 TraceCheckUtils]: 6: Hoare triple {10748#(= (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; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,894 INFO L290 TraceCheckUtils]: 5: Hoare triple {10748#(= (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; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,894 INFO L290 TraceCheckUtils]: 4: Hoare triple {10748#(= (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, 8 + main_~head~0#1.offset, 4); srcloc: L999 {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,894 INFO L290 TraceCheckUtils]: 3: Hoare triple {10748#(= (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, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,895 INFO L290 TraceCheckUtils]: 2: Hoare triple {10748#(= (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: L998 {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,895 INFO L290 TraceCheckUtils]: 1: Hoare triple {10746#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {10748#(= (store |#valid| |ULTIMATE.start_main_~head~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:54:03,895 INFO L290 TraceCheckUtils]: 0: Hoare triple {10746#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); {10746#true} is VALID [2022-02-20 23:54:03,896 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 23:54:03,896 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244258585] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:54:03,896 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:54:03,896 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2022-02-20 23:54:03,896 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366324970] [2022-02-20 23:54:03,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:54:03,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 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 27 [2022-02-20 23:54:03,897 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:03,897 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 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 23:54:03,915 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:03,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:54:03,916 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:03,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:54:03,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:54:03,916 INFO L87 Difference]: Start difference. First operand 169 states and 183 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 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 23:54:04,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:04,236 INFO L93 Difference]: Finished difference Result 179 states and 192 transitions. [2022-02-20 23:54:04,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 23:54:04,236 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 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 27 [2022-02-20 23:54:04,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:04,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 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 23:54:04,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 161 transitions. [2022-02-20 23:54:04,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 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 23:54:04,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 161 transitions. [2022-02-20 23:54:04,238 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 161 transitions. [2022-02-20 23:54:04,328 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 161 edges. 161 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:04,330 INFO L225 Difference]: With dead ends: 179 [2022-02-20 23:54:04,330 INFO L226 Difference]: Without dead ends: 160 [2022-02-20 23:54:04,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 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 23:54:04,330 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 12 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 49 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:04,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 476 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 117 Invalid, 0 Unknown, 49 Unchecked, 0.1s Time] [2022-02-20 23:54:04,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-02-20 23:54:04,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2022-02-20 23:54:04,332 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:04,333 INFO L82 GeneralOperation]: Start isEquivalent. First operand 160 states. Second operand has 160 states, 128 states have (on average 1.3515625) internal successors, (173), 159 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 23:54:04,333 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand has 160 states, 128 states have (on average 1.3515625) internal successors, (173), 159 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 23:54:04,333 INFO L87 Difference]: Start difference. First operand 160 states. Second operand has 160 states, 128 states have (on average 1.3515625) internal successors, (173), 159 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 23:54:04,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:04,335 INFO L93 Difference]: Finished difference Result 160 states and 173 transitions. [2022-02-20 23:54:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2022-02-20 23:54:04,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:04,335 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:04,335 INFO L74 IsIncluded]: Start isIncluded. First operand has 160 states, 128 states have (on average 1.3515625) internal successors, (173), 159 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 160 states. [2022-02-20 23:54:04,336 INFO L87 Difference]: Start difference. First operand has 160 states, 128 states have (on average 1.3515625) internal successors, (173), 159 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 160 states. [2022-02-20 23:54:04,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:04,337 INFO L93 Difference]: Finished difference Result 160 states and 173 transitions. [2022-02-20 23:54:04,338 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2022-02-20 23:54:04,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:04,338 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:04,338 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:04,338 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:04,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 128 states have (on average 1.3515625) internal successors, (173), 159 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 23:54:04,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 173 transitions. [2022-02-20 23:54:04,340 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 173 transitions. Word has length 27 [2022-02-20 23:54:04,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:04,340 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 173 transitions. [2022-02-20 23:54:04,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 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 23:54:04,340 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2022-02-20 23:54:04,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-20 23:54:04,341 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:04,341 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] [2022-02-20 23:54:04,371 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 23:54:04,557 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,SelfDestructingSolverStorable15 [2022-02-20 23:54:04,557 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:04,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:04,558 INFO L85 PathProgramCache]: Analyzing trace with hash -112828615, now seen corresponding path program 1 times [2022-02-20 23:54:04,558 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:04,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38087341] [2022-02-20 23:54:04,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:04,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:04,706 INFO L290 TraceCheckUtils]: 0: Hoare triple {11573#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); {11573#true} is VALID [2022-02-20 23:54:04,706 INFO L290 TraceCheckUtils]: 1: Hoare triple {11573#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {11573#true} is VALID [2022-02-20 23:54:04,706 INFO L290 TraceCheckUtils]: 2: Hoare triple {11573#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {11575#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:04,706 INFO L290 TraceCheckUtils]: 3: Hoare triple {11575#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {11575#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:04,707 INFO L290 TraceCheckUtils]: 4: Hoare triple {11575#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {11575#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:04,707 INFO L290 TraceCheckUtils]: 5: Hoare triple {11575#(= (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; {11576#(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 23:54:04,707 INFO L290 TraceCheckUtils]: 6: Hoare triple {11576#(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; {11576#(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 23:54:04,709 INFO L290 TraceCheckUtils]: 7: Hoare triple {11576#(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(12); {11577#(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 23:54:04,709 INFO L290 TraceCheckUtils]: 8: Hoare triple {11577#(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: L1006 {11578#(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 23:54:04,710 INFO L290 TraceCheckUtils]: 9: Hoare triple {11578#(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; {11578#(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 23:54:04,710 INFO L290 TraceCheckUtils]: 10: Hoare triple {11578#(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: L1007 {11579#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem4#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |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 23:54:04,711 INFO L290 TraceCheckUtils]: 11: Hoare triple {11579#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem4#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |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 write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {11578#(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 23:54:04,711 INFO L290 TraceCheckUtils]: 12: Hoare triple {11578#(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~mem4#1.base, main_#t~mem4#1.offset; {11578#(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 23:54:04,712 INFO L290 TraceCheckUtils]: 13: Hoare triple {11578#(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~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {11580#(and (= |ULTIMATE.start_main_#t~mem5#1.offset| 0) (= |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|)) (not (= |ULTIMATE.start_main_#t~mem5#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:04,713 INFO L290 TraceCheckUtils]: 14: Hoare triple {11580#(and (= |ULTIMATE.start_main_#t~mem5#1.offset| 0) (= |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|)) (not (= |ULTIMATE.start_main_#t~mem5#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {11581#(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 23:54:04,713 INFO L290 TraceCheckUtils]: 15: Hoare triple {11581#(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: L1009 {11581#(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 23:54:04,714 INFO L290 TraceCheckUtils]: 16: Hoare triple {11581#(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; {11581#(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 23:54:04,715 INFO L290 TraceCheckUtils]: 17: Hoare triple {11581#(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, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {11582#(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 23:54:04,716 INFO L290 TraceCheckUtils]: 18: Hoare triple {11582#(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; {11582#(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 23:54:04,716 INFO L290 TraceCheckUtils]: 19: Hoare triple {11582#(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); {11582#(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 23:54:04,717 INFO L290 TraceCheckUtils]: 20: Hoare triple {11582#(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; {11582#(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 23:54:04,719 INFO L290 TraceCheckUtils]: 21: Hoare triple {11582#(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); {11583#(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 23:54:04,720 INFO L290 TraceCheckUtils]: 22: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {11583#(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 23:54:04,720 INFO L290 TraceCheckUtils]: 23: Hoare triple {11583#(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; {11583#(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 23:54:04,720 INFO L290 TraceCheckUtils]: 24: Hoare triple {11583#(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; {11583#(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 23:54:04,721 INFO L290 TraceCheckUtils]: 25: Hoare triple {11583#(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); {11583#(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 23:54:04,721 INFO L290 TraceCheckUtils]: 26: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {11583#(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 23:54:04,721 INFO L290 TraceCheckUtils]: 27: Hoare triple {11583#(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; {11583#(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 23:54:04,721 INFO L290 TraceCheckUtils]: 28: Hoare triple {11583#(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); {11583#(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 23:54:04,722 INFO L290 TraceCheckUtils]: 29: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {11583#(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 23:54:04,722 INFO L290 TraceCheckUtils]: 30: Hoare triple {11583#(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: L1035-4 {11584#(not (= |ULTIMATE.start_main_#t~mem6#1.base| 0))} is VALID [2022-02-20 23:54:04,722 INFO L290 TraceCheckUtils]: 31: Hoare triple {11584#(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; {11574#false} is VALID [2022-02-20 23:54:04,722 INFO L290 TraceCheckUtils]: 32: Hoare triple {11574#false} assume !false; {11574#false} is VALID [2022-02-20 23:54:04,723 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 23:54:04,723 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:04,723 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38087341] [2022-02-20 23:54:04,723 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38087341] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:54:04,723 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181391159] [2022-02-20 23:54:04,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:04,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:04,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:04,724 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 23:54:04,733 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 23:54:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:04,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 29 conjunts are in the unsatisfiable core [2022-02-20 23:54:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:04,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:04,829 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 23:54:04,917 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:54:04,917 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 23:54:04,988 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 23:54:05,083 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:05,083 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 23:54:05,185 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:05,185 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 23:54:05,220 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:05,220 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 23:54:05,369 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 23:54:05,380 INFO L290 TraceCheckUtils]: 0: Hoare triple {11573#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); {11573#true} is VALID [2022-02-20 23:54:05,380 INFO L290 TraceCheckUtils]: 1: Hoare triple {11573#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {11591#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:05,381 INFO L290 TraceCheckUtils]: 2: Hoare triple {11591#(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: L998 {11591#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:05,381 INFO L290 TraceCheckUtils]: 3: Hoare triple {11591#(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, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {11591#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:05,382 INFO L290 TraceCheckUtils]: 4: Hoare triple {11591#(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, 8 + main_~head~0#1.offset, 4); srcloc: L999 {11591#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:05,382 INFO L290 TraceCheckUtils]: 5: Hoare triple {11591#(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; {11604#(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 23:54:05,383 INFO L290 TraceCheckUtils]: 6: Hoare triple {11604#(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; {11604#(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 23:54:05,383 INFO L290 TraceCheckUtils]: 7: Hoare triple {11604#(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(12); {11611#(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 23:54:05,384 INFO L290 TraceCheckUtils]: 8: Hoare triple {11611#(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: L1006 {11615#(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 23:54:05,384 INFO L290 TraceCheckUtils]: 9: Hoare triple {11615#(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; {11615#(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 23:54:05,385 INFO L290 TraceCheckUtils]: 10: Hoare triple {11615#(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: L1007 {11622#(and (= |ULTIMATE.start_main_#t~mem4#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| |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 23:54:05,386 INFO L290 TraceCheckUtils]: 11: Hoare triple {11622#(and (= |ULTIMATE.start_main_#t~mem4#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| |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 write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {11615#(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 23:54:05,386 INFO L290 TraceCheckUtils]: 12: Hoare triple {11615#(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~mem4#1.base, main_#t~mem4#1.offset; {11615#(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 23:54:05,386 INFO L290 TraceCheckUtils]: 13: Hoare triple {11615#(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~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {11632#(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|)) (not (= (select (select |#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 23:54:05,387 INFO L290 TraceCheckUtils]: 14: Hoare triple {11632#(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|)) (not (= (select (select |#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~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {11636#(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 23:54:05,388 INFO L290 TraceCheckUtils]: 15: Hoare triple {11636#(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: L1009 {11636#(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 23:54:05,388 INFO L290 TraceCheckUtils]: 16: Hoare triple {11636#(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; {11636#(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 23:54:05,389 INFO L290 TraceCheckUtils]: 17: Hoare triple {11636#(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, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {11646#(and (not (= (select (select |#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 23:54:05,389 INFO L290 TraceCheckUtils]: 18: Hoare triple {11646#(and (not (= (select (select |#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; {11646#(and (not (= (select (select |#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 23:54:05,390 INFO L290 TraceCheckUtils]: 19: Hoare triple {11646#(and (not (= (select (select |#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); {11646#(and (not (= (select (select |#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 23:54:05,390 INFO L290 TraceCheckUtils]: 20: Hoare triple {11646#(and (not (= (select (select |#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; {11646#(and (not (= (select (select |#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 23:54:05,390 INFO L290 TraceCheckUtils]: 21: Hoare triple {11646#(and (not (= (select (select |#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); {11646#(and (not (= (select (select |#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 23:54:05,391 INFO L290 TraceCheckUtils]: 22: Hoare triple {11646#(and (not (= (select (select |#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; {11646#(and (not (= (select (select |#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 23:54:05,391 INFO L290 TraceCheckUtils]: 23: Hoare triple {11646#(and (not (= (select (select |#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; {11646#(and (not (= (select (select |#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 23:54:05,391 INFO L290 TraceCheckUtils]: 24: Hoare triple {11646#(and (not (= (select (select |#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; {11646#(and (not (= (select (select |#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 23:54:05,395 INFO L290 TraceCheckUtils]: 25: Hoare triple {11646#(and (not (= (select (select |#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); {11646#(and (not (= (select (select |#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 23:54:05,395 INFO L290 TraceCheckUtils]: 26: Hoare triple {11646#(and (not (= (select (select |#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; {11646#(and (not (= (select (select |#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 23:54:05,395 INFO L290 TraceCheckUtils]: 27: Hoare triple {11646#(and (not (= (select (select |#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; {11646#(and (not (= (select (select |#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 23:54:05,396 INFO L290 TraceCheckUtils]: 28: Hoare triple {11646#(and (not (= (select (select |#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); {11646#(and (not (= (select (select |#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 23:54:05,396 INFO L290 TraceCheckUtils]: 29: Hoare triple {11646#(and (not (= (select (select |#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; {11646#(and (not (= (select (select |#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 23:54:05,396 INFO L290 TraceCheckUtils]: 30: Hoare triple {11646#(and (not (= (select (select |#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: L1035-4 {11584#(not (= |ULTIMATE.start_main_#t~mem6#1.base| 0))} is VALID [2022-02-20 23:54:05,397 INFO L290 TraceCheckUtils]: 31: Hoare triple {11584#(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; {11574#false} is VALID [2022-02-20 23:54:05,397 INFO L290 TraceCheckUtils]: 32: Hoare triple {11574#false} assume !false; {11574#false} is VALID [2022-02-20 23:54:05,397 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 23:54:05,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:54:05,448 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_502) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0))) is different from false [2022-02-20 23:54:05,466 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem5#1.base| v_ArrVal_502) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0))) is different from false [2022-02-20 23:54:05,472 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |c_#memory_$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_502) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0))) is different from false [2022-02-20 23:54:05,486 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_502 (Array Int Int)) (v_ArrVal_500 (Array Int Int))) (not (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_500))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_502)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0))) is different from false [2022-02-20 23:54:05,494 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_502 (Array Int Int)) (v_ArrVal_500 (Array Int Int))) (not (= (select (select (let ((.cse0 (store |c_#memory_$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_500))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_502)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0))) is different from false [2022-02-20 23:54:05,513 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:05,513 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 30 [2022-02-20 23:54:05,523 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:05,523 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 245 treesize of output 220 [2022-02-20 23:54:05,530 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 204 treesize of output 196 [2022-02-20 23:54:05,537 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:05,537 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 196 treesize of output 189 [2022-02-20 23:54:05,813 INFO L290 TraceCheckUtils]: 32: Hoare triple {11574#false} assume !false; {11574#false} is VALID [2022-02-20 23:54:05,813 INFO L290 TraceCheckUtils]: 31: Hoare triple {11584#(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; {11574#false} is VALID [2022-02-20 23:54:05,813 INFO L290 TraceCheckUtils]: 30: Hoare triple {11583#(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$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1035-4 {11584#(not (= |ULTIMATE.start_main_#t~mem6#1.base| 0))} is VALID [2022-02-20 23:54:05,814 INFO L290 TraceCheckUtils]: 29: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:05,814 INFO L290 TraceCheckUtils]: 28: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:05,814 INFO L290 TraceCheckUtils]: 27: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 1 == main_~status~0#1; {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:05,814 INFO L290 TraceCheckUtils]: 26: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:05,815 INFO L290 TraceCheckUtils]: 25: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:05,815 INFO L290 TraceCheckUtils]: 24: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:05,816 INFO L290 TraceCheckUtils]: 23: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:05,816 INFO L290 TraceCheckUtils]: 22: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:05,816 INFO L290 TraceCheckUtils]: 21: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:05,816 INFO L290 TraceCheckUtils]: 20: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:05,816 INFO L290 TraceCheckUtils]: 19: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:05,817 INFO L290 TraceCheckUtils]: 18: Hoare triple {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~status~0#1 := 1; {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:05,817 INFO L290 TraceCheckUtils]: 17: Hoare triple {11737#(forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call write~int(1, main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {11583#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:05,818 INFO L290 TraceCheckUtils]: 16: Hoare triple {11737#(forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume 0 == main_~status~0#1; {11737#(forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:05,819 WARN L290 TraceCheckUtils]: 15: Hoare triple {11737#(forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1009 {11737#(forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is UNKNOWN [2022-02-20 23:54:05,820 INFO L290 TraceCheckUtils]: 14: Hoare triple {11747#(forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base| v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {11737#(forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:05,820 INFO L290 TraceCheckUtils]: 13: Hoare triple {11751#(forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {11747#(forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base| v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:05,820 INFO L290 TraceCheckUtils]: 12: Hoare triple {11751#(forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {11751#(forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:05,821 INFO L290 TraceCheckUtils]: 11: Hoare triple {11758#(forall ((v_ArrVal_502 (Array Int Int)) (v_ArrVal_500 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_500) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_500) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {11751#(forall ((v_ArrVal_502 (Array Int Int))) (not (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:05,822 INFO L290 TraceCheckUtils]: 10: Hoare triple {11762#(forall ((v_ArrVal_502 (Array Int Int)) (v_ArrVal_500 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_500) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_500) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1007 {11758#(forall ((v_ArrVal_502 (Array Int Int)) (v_ArrVal_500 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_500) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_500) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:05,822 INFO L290 TraceCheckUtils]: 9: Hoare triple {11762#(forall ((v_ArrVal_502 (Array Int Int)) (v_ArrVal_500 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_500) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_500) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {11762#(forall ((v_ArrVal_502 (Array Int Int)) (v_ArrVal_500 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_500) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_500) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:05,823 INFO L290 TraceCheckUtils]: 8: Hoare triple {11769#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| 0)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {11762#(forall ((v_ArrVal_502 (Array Int Int)) (v_ArrVal_500 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_500) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_500) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_502) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:05,824 INFO L290 TraceCheckUtils]: 7: Hoare triple {11773#(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(12); {11769#(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 23:54:05,824 INFO L290 TraceCheckUtils]: 6: Hoare triple {11773#(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; {11773#(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 23:54:05,825 INFO L290 TraceCheckUtils]: 5: Hoare triple {11780#(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; {11773#(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 23:54:05,825 INFO L290 TraceCheckUtils]: 4: Hoare triple {11780#(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, 8 + main_~head~0#1.offset, 4); srcloc: L999 {11780#(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 23:54:05,826 INFO L290 TraceCheckUtils]: 3: Hoare triple {11780#(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$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {11780#(or (= |ULTIMATE.start_main_~head~0#1.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:54:05,826 INFO L290 TraceCheckUtils]: 2: Hoare triple {11780#(or (= |ULTIMATE.start_main_~head~0#1.base| 0) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {11780#(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 23:54:05,826 INFO L290 TraceCheckUtils]: 1: Hoare triple {11573#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {11780#(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 23:54:05,826 INFO L290 TraceCheckUtils]: 0: Hoare triple {11573#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); {11573#true} is VALID [2022-02-20 23:54:05,827 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 23:54:05,827 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181391159] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:54:05,827 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:54:05,827 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 28 [2022-02-20 23:54:05,827 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723546979] [2022-02-20 23:54:05,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:54:05,828 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 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 33 [2022-02-20 23:54:05,828 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:05,828 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 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 23:54:05,896 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 83 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:05,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-20 23:54:05,896 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:05,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-20 23:54:05,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=443, Unknown=5, NotChecked=230, Total=756 [2022-02-20 23:54:05,897 INFO L87 Difference]: Start difference. First operand 160 states and 173 transitions. Second operand has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 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 23:54:08,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:08,078 INFO L93 Difference]: Finished difference Result 291 states and 318 transitions. [2022-02-20 23:54:08,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 23:54:08,078 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 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 33 [2022-02-20 23:54:08,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 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 23:54:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 286 transitions. [2022-02-20 23:54:08,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 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 23:54:08,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 286 transitions. [2022-02-20 23:54:08,081 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 286 transitions. [2022-02-20 23:54:08,273 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 286 edges. 286 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:08,276 INFO L225 Difference]: With dead ends: 291 [2022-02-20 23:54:08,276 INFO L226 Difference]: Without dead ends: 291 [2022-02-20 23:54:08,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=206, Invalid=931, Unknown=5, NotChecked=340, Total=1482 [2022-02-20 23:54:08,277 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 625 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 1321 SdHoareTripleChecker+Invalid, 1847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 969 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:08,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [625 Valid, 1321 Invalid, 1847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 835 Invalid, 0 Unknown, 969 Unchecked, 0.7s Time] [2022-02-20 23:54:08,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-02-20 23:54:08,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 175. [2022-02-20 23:54:08,279 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:08,280 INFO L82 GeneralOperation]: Start isEquivalent. First operand 291 states. Second operand has 175 states, 143 states have (on average 1.3286713286713288) internal successors, (190), 174 states have internal predecessors, (190), 0 states have call successors, (0), 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 23:54:08,280 INFO L74 IsIncluded]: Start isIncluded. First operand 291 states. Second operand has 175 states, 143 states have (on average 1.3286713286713288) internal successors, (190), 174 states have internal predecessors, (190), 0 states have call successors, (0), 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 23:54:08,280 INFO L87 Difference]: Start difference. First operand 291 states. Second operand has 175 states, 143 states have (on average 1.3286713286713288) internal successors, (190), 174 states have internal predecessors, (190), 0 states have call successors, (0), 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 23:54:08,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:08,284 INFO L93 Difference]: Finished difference Result 291 states and 318 transitions. [2022-02-20 23:54:08,284 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 318 transitions. [2022-02-20 23:54:08,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:08,284 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:08,284 INFO L74 IsIncluded]: Start isIncluded. First operand has 175 states, 143 states have (on average 1.3286713286713288) internal successors, (190), 174 states have internal predecessors, (190), 0 states have call successors, (0), 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 291 states. [2022-02-20 23:54:08,285 INFO L87 Difference]: Start difference. First operand has 175 states, 143 states have (on average 1.3286713286713288) internal successors, (190), 174 states have internal predecessors, (190), 0 states have call successors, (0), 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 291 states. [2022-02-20 23:54:08,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:08,288 INFO L93 Difference]: Finished difference Result 291 states and 318 transitions. [2022-02-20 23:54:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 318 transitions. [2022-02-20 23:54:08,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:08,289 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:08,289 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:08,289 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:08,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 143 states have (on average 1.3286713286713288) internal successors, (190), 174 states have internal predecessors, (190), 0 states have call successors, (0), 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 23:54:08,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 190 transitions. [2022-02-20 23:54:08,291 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 190 transitions. Word has length 33 [2022-02-20 23:54:08,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:08,291 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 190 transitions. [2022-02-20 23:54:08,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 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 23:54:08,291 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 190 transitions. [2022-02-20 23:54:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-20 23:54:08,291 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:08,291 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] [2022-02-20 23:54:08,310 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 23:54:08,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:08,507 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:08,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:08,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1345804944, now seen corresponding path program 1 times [2022-02-20 23:54:08,508 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:08,508 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745255689] [2022-02-20 23:54:08,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:08,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:08,547 INFO L290 TraceCheckUtils]: 0: Hoare triple {12868#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); {12868#true} is VALID [2022-02-20 23:54:08,547 INFO L290 TraceCheckUtils]: 1: Hoare triple {12868#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {12868#true} is VALID [2022-02-20 23:54:08,547 INFO L290 TraceCheckUtils]: 2: Hoare triple {12868#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {12868#true} is VALID [2022-02-20 23:54:08,547 INFO L290 TraceCheckUtils]: 3: Hoare triple {12868#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {12868#true} is VALID [2022-02-20 23:54:08,547 INFO L290 TraceCheckUtils]: 4: Hoare triple {12868#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {12868#true} is VALID [2022-02-20 23:54:08,547 INFO L290 TraceCheckUtils]: 5: Hoare triple {12868#true} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {12868#true} is VALID [2022-02-20 23:54:08,548 INFO L290 TraceCheckUtils]: 6: Hoare triple {12868#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12868#true} is VALID [2022-02-20 23:54:08,548 INFO L290 TraceCheckUtils]: 7: Hoare triple {12868#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12); {12868#true} is VALID [2022-02-20 23:54:08,548 INFO L290 TraceCheckUtils]: 8: Hoare triple {12868#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {12868#true} is VALID [2022-02-20 23:54:08,548 INFO L290 TraceCheckUtils]: 9: Hoare triple {12868#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {12868#true} is VALID [2022-02-20 23:54:08,548 INFO L290 TraceCheckUtils]: 10: Hoare triple {12868#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1007 {12868#true} is VALID [2022-02-20 23:54:08,548 INFO L290 TraceCheckUtils]: 11: Hoare triple {12868#true} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {12868#true} is VALID [2022-02-20 23:54:08,548 INFO L290 TraceCheckUtils]: 12: Hoare triple {12868#true} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {12868#true} is VALID [2022-02-20 23:54:08,548 INFO L290 TraceCheckUtils]: 13: Hoare triple {12868#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {12868#true} is VALID [2022-02-20 23:54:08,548 INFO L290 TraceCheckUtils]: 14: Hoare triple {12868#true} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {12868#true} is VALID [2022-02-20 23:54:08,548 INFO L290 TraceCheckUtils]: 15: Hoare triple {12868#true} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1009 {12868#true} is VALID [2022-02-20 23:54:08,548 INFO L290 TraceCheckUtils]: 16: Hoare triple {12868#true} assume 0 == main_~status~0#1; {12868#true} is VALID [2022-02-20 23:54:08,548 INFO L290 TraceCheckUtils]: 17: Hoare triple {12868#true} SUMMARY for call write~int(1, main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {12868#true} is VALID [2022-02-20 23:54:08,548 INFO L290 TraceCheckUtils]: 18: Hoare triple {12868#true} main_~status~0#1 := 1; {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:54:08,548 INFO L290 TraceCheckUtils]: 19: Hoare triple {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:54:08,549 INFO L290 TraceCheckUtils]: 20: Hoare triple {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} goto; {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:54:08,549 INFO L290 TraceCheckUtils]: 21: Hoare triple {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:54:08,549 INFO L290 TraceCheckUtils]: 22: Hoare triple {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} goto; {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:54:08,549 INFO L290 TraceCheckUtils]: 23: Hoare triple {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:54:08,549 INFO L290 TraceCheckUtils]: 24: Hoare triple {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:54:08,550 INFO L290 TraceCheckUtils]: 25: Hoare triple {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:54:08,550 INFO L290 TraceCheckUtils]: 26: Hoare triple {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} goto; {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} is VALID [2022-02-20 23:54:08,550 INFO L290 TraceCheckUtils]: 27: Hoare triple {12870#(= |ULTIMATE.start_main_~status~0#1| 1)} assume !(1 == main_~status~0#1); {12869#false} is VALID [2022-02-20 23:54:08,550 INFO L290 TraceCheckUtils]: 28: Hoare triple {12869#false} assume 2 == main_~status~0#1; {12869#false} is VALID [2022-02-20 23:54:08,550 INFO L290 TraceCheckUtils]: 29: Hoare triple {12869#false} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {12869#false} is VALID [2022-02-20 23:54:08,550 INFO L290 TraceCheckUtils]: 30: Hoare triple {12869#false} goto; {12869#false} is VALID [2022-02-20 23:54:08,550 INFO L290 TraceCheckUtils]: 31: Hoare triple {12869#false} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1040-4 {12869#false} is VALID [2022-02-20 23:54:08,550 INFO L290 TraceCheckUtils]: 32: Hoare triple {12869#false} assume !(main_#t~mem7#1.base != 0 || main_#t~mem7#1.offset != 0);havoc main_#t~mem7#1.base, main_#t~mem7#1.offset; {12869#false} is VALID [2022-02-20 23:54:08,550 INFO L290 TraceCheckUtils]: 33: Hoare triple {12869#false} assume !false; {12869#false} is VALID [2022-02-20 23:54:08,551 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 23:54:08,551 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:08,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745255689] [2022-02-20 23:54:08,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745255689] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:08,551 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:08,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:54:08,551 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642757779] [2022-02-20 23:54:08,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:08,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-02-20 23:54:08,551 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:08,551 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 23:54:08,568 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:08,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:54:08,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:08,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:54:08,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:54:08,569 INFO L87 Difference]: Start difference. First operand 175 states and 190 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 23:54:08,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:08,692 INFO L93 Difference]: Finished difference Result 249 states and 270 transitions. [2022-02-20 23:54:08,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:54:08,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-02-20 23:54:08,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:08,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 23:54:08,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2022-02-20 23:54:08,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 23:54:08,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2022-02-20 23:54:08,694 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 202 transitions. [2022-02-20 23:54:08,803 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 202 edges. 202 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:08,806 INFO L225 Difference]: With dead ends: 249 [2022-02-20 23:54:08,806 INFO L226 Difference]: Without dead ends: 249 [2022-02-20 23:54:08,806 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 23:54:08,807 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 58 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 256 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 23:54:08,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 256 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:54:08,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-02-20 23:54:08,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 196. [2022-02-20 23:54:08,810 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:08,811 INFO L82 GeneralOperation]: Start isEquivalent. First operand 249 states. Second operand has 196 states, 164 states have (on average 1.2865853658536586) internal successors, (211), 195 states have internal predecessors, (211), 0 states have call successors, (0), 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 23:54:08,811 INFO L74 IsIncluded]: Start isIncluded. First operand 249 states. Second operand has 196 states, 164 states have (on average 1.2865853658536586) internal successors, (211), 195 states have internal predecessors, (211), 0 states have call successors, (0), 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 23:54:08,812 INFO L87 Difference]: Start difference. First operand 249 states. Second operand has 196 states, 164 states have (on average 1.2865853658536586) internal successors, (211), 195 states have internal predecessors, (211), 0 states have call successors, (0), 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 23:54:08,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:08,815 INFO L93 Difference]: Finished difference Result 249 states and 270 transitions. [2022-02-20 23:54:08,815 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 270 transitions. [2022-02-20 23:54:08,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:08,815 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:08,815 INFO L74 IsIncluded]: Start isIncluded. First operand has 196 states, 164 states have (on average 1.2865853658536586) internal successors, (211), 195 states have internal predecessors, (211), 0 states have call successors, (0), 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 249 states. [2022-02-20 23:54:08,816 INFO L87 Difference]: Start difference. First operand has 196 states, 164 states have (on average 1.2865853658536586) internal successors, (211), 195 states have internal predecessors, (211), 0 states have call successors, (0), 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 249 states. [2022-02-20 23:54:08,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:08,819 INFO L93 Difference]: Finished difference Result 249 states and 270 transitions. [2022-02-20 23:54:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 270 transitions. [2022-02-20 23:54:08,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:08,819 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:08,819 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:08,820 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 164 states have (on average 1.2865853658536586) internal successors, (211), 195 states have internal predecessors, (211), 0 states have call successors, (0), 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 23:54:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 211 transitions. [2022-02-20 23:54:08,822 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 211 transitions. Word has length 34 [2022-02-20 23:54:08,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:08,822 INFO L470 AbstractCegarLoop]: Abstraction has 196 states and 211 transitions. [2022-02-20 23:54:08,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 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 23:54:08,822 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 211 transitions. [2022-02-20 23:54:08,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-20 23:54:08,823 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:08,823 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] [2022-02-20 23:54:08,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-20 23:54:08,823 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr65REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:08,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:08,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1598443618, now seen corresponding path program 1 times [2022-02-20 23:54:08,823 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:08,824 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761026771] [2022-02-20 23:54:08,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:08,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:09,033 INFO L290 TraceCheckUtils]: 0: Hoare triple {13816#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); {13816#true} is VALID [2022-02-20 23:54:09,033 INFO L290 TraceCheckUtils]: 1: Hoare triple {13816#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {13816#true} is VALID [2022-02-20 23:54:09,033 INFO L290 TraceCheckUtils]: 2: Hoare triple {13816#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {13818#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:09,034 INFO L290 TraceCheckUtils]: 3: Hoare triple {13818#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {13818#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:09,034 INFO L290 TraceCheckUtils]: 4: Hoare triple {13818#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {13818#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:09,034 INFO L290 TraceCheckUtils]: 5: Hoare triple {13818#(= (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; {13819#(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 23:54:09,035 INFO L290 TraceCheckUtils]: 6: Hoare triple {13819#(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; {13819#(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 23:54:09,036 INFO L290 TraceCheckUtils]: 7: Hoare triple {13819#(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(12); {13820#(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 23:54:09,036 INFO L290 TraceCheckUtils]: 8: Hoare triple {13820#(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$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {13821#(and (= (select |#valid| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:09,037 INFO L290 TraceCheckUtils]: 9: Hoare triple {13821#(and (= (select |#valid| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {13821#(and (= (select |#valid| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:09,037 INFO L290 TraceCheckUtils]: 10: Hoare triple {13821#(and (= (select |#valid| (select (select |#memory_$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$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1007 {13822#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem4#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:09,038 INFO L290 TraceCheckUtils]: 11: Hoare triple {13822#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem4#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {13821#(and (= (select |#valid| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:09,038 INFO L290 TraceCheckUtils]: 12: Hoare triple {13821#(and (= (select |#valid| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {13821#(and (= (select |#valid| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:09,039 INFO L290 TraceCheckUtils]: 13: Hoare triple {13821#(and (= (select |#valid| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {13823#(and (not (= |ULTIMATE.start_main_#t~mem5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,039 INFO L290 TraceCheckUtils]: 14: Hoare triple {13823#(and (not (= |ULTIMATE.start_main_#t~mem5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {13824#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,040 INFO L290 TraceCheckUtils]: 15: Hoare triple {13824#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1009 {13824#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,040 INFO L290 TraceCheckUtils]: 16: Hoare triple {13824#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 0 == main_~status~0#1; {13824#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,041 INFO L290 TraceCheckUtils]: 17: Hoare triple {13824#(and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~int(1, main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {13825#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:54:09,042 INFO L290 TraceCheckUtils]: 18: Hoare triple {13825#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} main_~status~0#1 := 1; {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,042 INFO L290 TraceCheckUtils]: 19: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,042 INFO L290 TraceCheckUtils]: 20: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,042 INFO L290 TraceCheckUtils]: 21: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,043 INFO L290 TraceCheckUtils]: 22: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,043 INFO L290 TraceCheckUtils]: 23: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,043 INFO L290 TraceCheckUtils]: 24: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,044 INFO L290 TraceCheckUtils]: 25: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,044 INFO L290 TraceCheckUtils]: 26: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,044 INFO L290 TraceCheckUtils]: 27: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 1 == main_~status~0#1; {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,044 INFO L290 TraceCheckUtils]: 28: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,045 INFO L290 TraceCheckUtils]: 29: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,045 INFO L290 TraceCheckUtils]: 30: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1035-4 {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,045 INFO L290 TraceCheckUtils]: 31: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0);havoc main_#t~mem6#1.base, main_#t~mem6#1.offset; {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,046 INFO L290 TraceCheckUtils]: 32: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,046 INFO L290 TraceCheckUtils]: 33: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(2 == main_~status~0#1); {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,046 INFO L290 TraceCheckUtils]: 34: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(3 == main_~status~0#1); {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:09,047 INFO L290 TraceCheckUtils]: 35: Hoare triple {13826#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {13827#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_#t~mem20#1.base|) 1))} is VALID [2022-02-20 23:54:09,047 INFO L290 TraceCheckUtils]: 36: Hoare triple {13827#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_#t~mem20#1.base|) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {13828#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:54:09,047 INFO L290 TraceCheckUtils]: 37: Hoare triple {13828#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {13828#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:54:09,048 INFO L290 TraceCheckUtils]: 38: Hoare triple {13828#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume main_#t~short22#1;assume -2147483648 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 2147483647;main_#t~short22#1 := 0 != main_#t~nondet21#1; {13828#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:54:09,048 INFO L290 TraceCheckUtils]: 39: Hoare triple {13828#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume !!main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {13828#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:54:09,048 INFO L290 TraceCheckUtils]: 40: Hoare triple {13828#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} main_#t~short24#1 := 0 == main_~status~0#1; {13829#(or |ULTIMATE.start_main_#t~short24#1| (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:54:09,049 INFO L290 TraceCheckUtils]: 41: Hoare triple {13829#(or |ULTIMATE.start_main_#t~short24#1| (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume !main_#t~short24#1; {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:54:09,049 INFO L290 TraceCheckUtils]: 42: Hoare triple {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !(1 == #valid[main_~item~0#1.base]); {13817#false} is VALID [2022-02-20 23:54:09,049 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 23:54:09,049 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:09,050 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761026771] [2022-02-20 23:54:09,050 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761026771] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:54:09,050 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007383670] [2022-02-20 23:54:09,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:09,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:09,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:09,051 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 23:54:09,087 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 23:54:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:09,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 37 conjunts are in the unsatisfiable core [2022-02-20 23:54:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:09,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:09,350 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-02-20 23:54:09,350 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 19 treesize of output 26 [2022-02-20 23:54:09,362 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 23:54:09,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:09,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:09,513 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-20 23:54:09,513 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2022-02-20 23:54:09,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:09,540 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 21 treesize of output 20 [2022-02-20 23:54:10,665 INFO L356 Elim1Store]: treesize reduction 16, result has 56.8 percent of original size [2022-02-20 23:54:10,665 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 63 [2022-02-20 23:54:11,373 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-20 23:54:11,374 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 24 [2022-02-20 23:54:11,457 INFO L290 TraceCheckUtils]: 0: Hoare triple {13816#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); {13816#true} is VALID [2022-02-20 23:54:11,457 INFO L290 TraceCheckUtils]: 1: Hoare triple {13816#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {13837#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:11,458 INFO L290 TraceCheckUtils]: 2: Hoare triple {13837#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {13837#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:11,458 INFO L290 TraceCheckUtils]: 3: Hoare triple {13837#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {13837#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:11,458 INFO L290 TraceCheckUtils]: 4: Hoare triple {13837#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {13837#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:11,459 INFO L290 TraceCheckUtils]: 5: Hoare triple {13837#(= |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; {13850#(and (= |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|))} is VALID [2022-02-20 23:54:11,459 INFO L290 TraceCheckUtils]: 6: Hoare triple {13850#(and (= |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|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13850#(and (= |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|))} is VALID [2022-02-20 23:54:11,459 INFO L290 TraceCheckUtils]: 7: Hoare triple {13850#(and (= |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|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12); {13850#(and (= |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|))} is VALID [2022-02-20 23:54:11,460 INFO L290 TraceCheckUtils]: 8: Hoare triple {13850#(and (= |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|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {13860#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,460 INFO L290 TraceCheckUtils]: 9: Hoare triple {13860#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {13860#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,461 INFO L290 TraceCheckUtils]: 10: Hoare triple {13860#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1007 {13860#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,461 INFO L290 TraceCheckUtils]: 11: Hoare triple {13860#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {13860#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,462 INFO L290 TraceCheckUtils]: 12: Hoare triple {13860#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {13860#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,462 INFO L290 TraceCheckUtils]: 13: Hoare triple {13860#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {13876#(and (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,462 INFO L290 TraceCheckUtils]: 14: Hoare triple {13876#(and (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {13880#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,463 INFO L290 TraceCheckUtils]: 15: Hoare triple {13880#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1009 {13884#(and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,464 INFO L290 TraceCheckUtils]: 16: Hoare triple {13884#(and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} assume 0 == main_~status~0#1; {13884#(and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,465 INFO L290 TraceCheckUtils]: 17: Hoare triple {13884#(and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1))} SUMMARY for call write~int(1, main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,466 INFO L290 TraceCheckUtils]: 18: Hoare triple {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~status~0#1 := 1; {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,467 INFO L290 TraceCheckUtils]: 19: Hoare triple {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,468 INFO L290 TraceCheckUtils]: 20: Hoare triple {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} goto; {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,469 INFO L290 TraceCheckUtils]: 21: Hoare triple {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,470 INFO L290 TraceCheckUtils]: 22: Hoare triple {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} goto; {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,471 INFO L290 TraceCheckUtils]: 23: Hoare triple {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,472 INFO L290 TraceCheckUtils]: 24: Hoare triple {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,473 INFO L290 TraceCheckUtils]: 25: Hoare triple {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,474 INFO L290 TraceCheckUtils]: 26: Hoare triple {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} goto; {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,475 INFO L290 TraceCheckUtils]: 27: Hoare triple {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 1 == main_~status~0#1; {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,476 INFO L290 TraceCheckUtils]: 28: Hoare triple {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,477 INFO L290 TraceCheckUtils]: 29: Hoare triple {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} goto; {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:11,478 INFO L290 TraceCheckUtils]: 30: Hoare triple {13891#(and (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1035-4 {13931#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~mem6#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:54:11,479 INFO L290 TraceCheckUtils]: 31: Hoare triple {13931#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~mem6#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)))))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !!(main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0);havoc main_#t~mem6#1.base, main_#t~mem6#1.offset; {13935#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|))))))} is VALID [2022-02-20 23:54:11,479 INFO L290 TraceCheckUtils]: 32: Hoare triple {13935#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|))))))} goto; {13935#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|))))))} is VALID [2022-02-20 23:54:11,480 INFO L290 TraceCheckUtils]: 33: Hoare triple {13935#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|))))))} assume !(2 == main_~status~0#1); {13935#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|))))))} is VALID [2022-02-20 23:54:11,481 INFO L290 TraceCheckUtils]: 34: Hoare triple {13935#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|))))))} assume !(3 == main_~status~0#1); {13935#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|))))))} is VALID [2022-02-20 23:54:11,481 INFO L290 TraceCheckUtils]: 35: Hoare triple {13935#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (exists ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~item~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|))))))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {13948#(= (select |#valid| |ULTIMATE.start_main_#t~mem20#1.base|) 1)} is VALID [2022-02-20 23:54:11,482 INFO L290 TraceCheckUtils]: 36: Hoare triple {13948#(= (select |#valid| |ULTIMATE.start_main_#t~mem20#1.base|) 1)} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:54:11,482 INFO L290 TraceCheckUtils]: 37: Hoare triple {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:54:11,482 INFO L290 TraceCheckUtils]: 38: Hoare triple {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume main_#t~short22#1;assume -2147483648 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 2147483647;main_#t~short22#1 := 0 != main_#t~nondet21#1; {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:54:11,482 INFO L290 TraceCheckUtils]: 39: Hoare triple {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !!main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:54:11,483 INFO L290 TraceCheckUtils]: 40: Hoare triple {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} main_#t~short24#1 := 0 == main_~status~0#1; {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:54:11,487 INFO L290 TraceCheckUtils]: 41: Hoare triple {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !main_#t~short24#1; {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:54:11,487 INFO L290 TraceCheckUtils]: 42: Hoare triple {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !(1 == #valid[main_~item~0#1.base]); {13817#false} is VALID [2022-02-20 23:54:11,487 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 23:54:11,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:54:11,881 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 185 treesize of output 177 [2022-02-20 23:54:12,389 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:12,389 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 263 treesize of output 202 [2022-02-20 23:54:13,933 INFO L356 Elim1Store]: treesize reduction 8, result has 83.7 percent of original size [2022-02-20 23:54:13,934 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 65 [2022-02-20 23:54:14,138 INFO L290 TraceCheckUtils]: 42: Hoare triple {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !(1 == #valid[main_~item~0#1.base]); {13817#false} is VALID [2022-02-20 23:54:14,139 INFO L290 TraceCheckUtils]: 41: Hoare triple {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !main_#t~short24#1; {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:54:14,140 INFO L290 TraceCheckUtils]: 40: Hoare triple {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} main_#t~short24#1 := 0 == main_~status~0#1; {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:54:14,142 INFO L290 TraceCheckUtils]: 39: Hoare triple {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume !!main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:54:14,142 INFO L290 TraceCheckUtils]: 38: Hoare triple {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} assume main_#t~short22#1;assume -2147483648 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 2147483647;main_#t~short22#1 := 0 != main_#t~nondet21#1; {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:54:14,143 INFO L290 TraceCheckUtils]: 37: Hoare triple {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:54:14,143 INFO L290 TraceCheckUtils]: 36: Hoare triple {13948#(= (select |#valid| |ULTIMATE.start_main_#t~mem20#1.base|) 1)} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {13830#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)} is VALID [2022-02-20 23:54:14,143 INFO L290 TraceCheckUtils]: 35: Hoare triple {13825#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {13948#(= (select |#valid| |ULTIMATE.start_main_#t~mem20#1.base|) 1)} is VALID [2022-02-20 23:54:14,144 INFO L290 TraceCheckUtils]: 34: Hoare triple {13825#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume !(3 == main_~status~0#1); {13825#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:54:14,144 INFO L290 TraceCheckUtils]: 33: Hoare triple {13825#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume !(2 == main_~status~0#1); {13825#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:54:14,144 INFO L290 TraceCheckUtils]: 32: Hoare triple {13825#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} goto; {13825#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:54:14,145 INFO L290 TraceCheckUtils]: 31: Hoare triple {14003#(or (and (= |ULTIMATE.start_main_#t~mem6#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1.base| 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0);havoc main_#t~mem6#1.base, main_#t~mem6#1.offset; {13825#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:54:14,145 INFO L290 TraceCheckUtils]: 30: Hoare triple {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1035-4 {14003#(or (and (= |ULTIMATE.start_main_#t~mem6#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1.base| 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:14,145 INFO L290 TraceCheckUtils]: 29: Hoare triple {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:14,146 INFO L290 TraceCheckUtils]: 28: Hoare triple {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:14,146 INFO L290 TraceCheckUtils]: 27: Hoare triple {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 1 == main_~status~0#1; {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:14,147 INFO L290 TraceCheckUtils]: 26: Hoare triple {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:14,147 INFO L290 TraceCheckUtils]: 25: Hoare triple {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:14,147 INFO L290 TraceCheckUtils]: 24: Hoare triple {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:14,148 INFO L290 TraceCheckUtils]: 23: Hoare triple {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:14,148 INFO L290 TraceCheckUtils]: 22: Hoare triple {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:14,149 INFO L290 TraceCheckUtils]: 21: Hoare triple {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:14,149 INFO L290 TraceCheckUtils]: 20: Hoare triple {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} goto; {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:14,150 INFO L290 TraceCheckUtils]: 19: Hoare triple {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:14,150 INFO L290 TraceCheckUtils]: 18: Hoare triple {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~status~0#1 := 1; {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:14,151 INFO L290 TraceCheckUtils]: 17: Hoare triple {14047#(forall ((v_ArrVal_646 Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (and (forall ((v_ArrVal_647 Int)) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_647)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} SUMMARY for call write~int(1, main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {14007#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:14,152 INFO L290 TraceCheckUtils]: 16: Hoare triple {14047#(forall ((v_ArrVal_646 Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (and (forall ((v_ArrVal_647 Int)) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_647)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} assume 0 == main_~status~0#1; {14047#(forall ((v_ArrVal_646 Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (and (forall ((v_ArrVal_647 Int)) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_647)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} is VALID [2022-02-20 23:54:14,153 INFO L290 TraceCheckUtils]: 15: Hoare triple {14054#(or (not (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (forall ((v_ArrVal_646 Int)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1009 {14047#(forall ((v_ArrVal_646 Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (and (forall ((v_ArrVal_647 Int)) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_647)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} is VALID [2022-02-20 23:54:14,153 INFO L290 TraceCheckUtils]: 14: Hoare triple {14058#(or (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int) (v_ArrVal_646 Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base| (store (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~mem5#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select |#valid| |ULTIMATE.start_main_#t~mem5#1.base|) 1)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {14054#(or (not (= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) 1)) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (forall ((v_ArrVal_646 Int)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:54:14,154 INFO L290 TraceCheckUtils]: 13: Hoare triple {14062#(forall ((v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (not (= (select |#valid| v_arrayElimCell_24) 1)) (and (= (select |#valid| v_arrayElimCell_25) 1) (or (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (not (= v_arrayElimCell_24 |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_646 Int)) (= (select |#valid| v_ArrVal_646) 1)))) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= v_arrayElimCell_25 v_arrayElimCell_24)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {14058#(or (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int) (v_ArrVal_646 Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base| (store (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_#t~mem5#1.base| |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select |#valid| |ULTIMATE.start_main_#t~mem5#1.base|) 1)))} is VALID [2022-02-20 23:54:14,155 INFO L290 TraceCheckUtils]: 12: Hoare triple {14062#(forall ((v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (not (= (select |#valid| v_arrayElimCell_24) 1)) (and (= (select |#valid| v_arrayElimCell_25) 1) (or (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (not (= v_arrayElimCell_24 |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_646 Int)) (= (select |#valid| v_ArrVal_646) 1)))) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= v_arrayElimCell_25 v_arrayElimCell_24)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {14062#(forall ((v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (not (= (select |#valid| v_arrayElimCell_24) 1)) (and (= (select |#valid| v_arrayElimCell_25) 1) (or (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (not (= v_arrayElimCell_24 |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_646 Int)) (= (select |#valid| v_ArrVal_646) 1)))) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= v_arrayElimCell_25 v_arrayElimCell_24)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:54:14,157 INFO L290 TraceCheckUtils]: 11: Hoare triple {14062#(forall ((v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (not (= (select |#valid| v_arrayElimCell_24) 1)) (and (= (select |#valid| v_arrayElimCell_25) 1) (or (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (not (= v_arrayElimCell_24 |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_646 Int)) (= (select |#valid| v_ArrVal_646) 1)))) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= v_arrayElimCell_25 v_arrayElimCell_24)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {14062#(forall ((v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (not (= (select |#valid| v_arrayElimCell_24) 1)) (and (= (select |#valid| v_arrayElimCell_25) 1) (or (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (not (= v_arrayElimCell_24 |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_646 Int)) (= (select |#valid| v_ArrVal_646) 1)))) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= v_arrayElimCell_25 v_arrayElimCell_24)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:54:14,158 INFO L290 TraceCheckUtils]: 10: Hoare triple {14062#(forall ((v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (not (= (select |#valid| v_arrayElimCell_24) 1)) (and (= (select |#valid| v_arrayElimCell_25) 1) (or (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (not (= v_arrayElimCell_24 |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_646 Int)) (= (select |#valid| v_ArrVal_646) 1)))) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= v_arrayElimCell_25 v_arrayElimCell_24)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1007 {14062#(forall ((v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (not (= (select |#valid| v_arrayElimCell_24) 1)) (and (= (select |#valid| v_arrayElimCell_25) 1) (or (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (not (= v_arrayElimCell_24 |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_646 Int)) (= (select |#valid| v_ArrVal_646) 1)))) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= v_arrayElimCell_25 v_arrayElimCell_24)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:54:14,158 INFO L290 TraceCheckUtils]: 9: Hoare triple {14062#(forall ((v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (not (= (select |#valid| v_arrayElimCell_24) 1)) (and (= (select |#valid| v_arrayElimCell_25) 1) (or (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (not (= v_arrayElimCell_24 |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_646 Int)) (= (select |#valid| v_ArrVal_646) 1)))) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= v_arrayElimCell_25 v_arrayElimCell_24)) (= |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; {14062#(forall ((v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (not (= (select |#valid| v_arrayElimCell_24) 1)) (and (= (select |#valid| v_arrayElimCell_25) 1) (or (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (not (= v_arrayElimCell_24 |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_646 Int)) (= (select |#valid| v_ArrVal_646) 1)))) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= v_arrayElimCell_25 v_arrayElimCell_24)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:54:14,161 INFO L290 TraceCheckUtils]: 8: Hoare triple {14078#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 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: L1006 {14062#(forall ((v_arrayElimCell_25 Int) (v_arrayElimCell_24 Int)) (or (not (= (select |#valid| v_arrayElimCell_24) 1)) (and (= (select |#valid| v_arrayElimCell_25) 1) (or (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (not (= v_arrayElimCell_24 |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_646 Int)) (= (select |#valid| v_ArrVal_646) 1)))) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= v_arrayElimCell_25 v_arrayElimCell_24)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:54:14,161 INFO L290 TraceCheckUtils]: 7: Hoare triple {14078#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 8) (= |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(12); {14078#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 8) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:14,161 INFO L290 TraceCheckUtils]: 6: Hoare triple {14078#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 8) (= |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; {14078#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 8) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:14,162 INFO L290 TraceCheckUtils]: 5: Hoare triple {14088#(< |ULTIMATE.start_main_~head~0#1.offset| 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; {14078#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 8) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:14,162 INFO L290 TraceCheckUtils]: 4: Hoare triple {14088#(< |ULTIMATE.start_main_~head~0#1.offset| 8)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {14088#(< |ULTIMATE.start_main_~head~0#1.offset| 8)} is VALID [2022-02-20 23:54:14,162 INFO L290 TraceCheckUtils]: 3: Hoare triple {14088#(< |ULTIMATE.start_main_~head~0#1.offset| 8)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {14088#(< |ULTIMATE.start_main_~head~0#1.offset| 8)} is VALID [2022-02-20 23:54:14,163 INFO L290 TraceCheckUtils]: 2: Hoare triple {14088#(< |ULTIMATE.start_main_~head~0#1.offset| 8)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {14088#(< |ULTIMATE.start_main_~head~0#1.offset| 8)} is VALID [2022-02-20 23:54:14,163 INFO L290 TraceCheckUtils]: 1: Hoare triple {13816#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {14088#(< |ULTIMATE.start_main_~head~0#1.offset| 8)} is VALID [2022-02-20 23:54:14,163 INFO L290 TraceCheckUtils]: 0: Hoare triple {13816#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); {13816#true} is VALID [2022-02-20 23:54:14,163 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 23:54:14,163 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007383670] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:54:14,163 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:54:14,164 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 32 [2022-02-20 23:54:14,164 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061571429] [2022-02-20 23:54:14,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:54:14,164 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.71875) internal successors, (119), 33 states have internal predecessors, (119), 0 states have call successors, (0), 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 43 [2022-02-20 23:54:14,164 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:14,164 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 33 states, 32 states have (on average 3.71875) internal successors, (119), 33 states have internal predecessors, (119), 0 states have call successors, (0), 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 23:54:14,255 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 119 edges. 119 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:14,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-20 23:54:14,255 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:14,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-20 23:54:14,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=910, Unknown=1, NotChecked=0, Total=1056 [2022-02-20 23:54:14,256 INFO L87 Difference]: Start difference. First operand 196 states and 211 transitions. Second operand has 33 states, 32 states have (on average 3.71875) internal successors, (119), 33 states have internal predecessors, (119), 0 states have call successors, (0), 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 23:54:16,533 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= (select |c_#valid| |c_ULTIMATE.start_main_~item~0#1.base|) 1)) (.cse1 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|))) (and (= |c_ULTIMATE.start_main_~head~0#1.offset| 0) (= |c_ULTIMATE.start_main_~item~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (or (not (= (select |c_#valid| |c_ULTIMATE.start_main_#t~mem5#1.base|) 1)) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int) (v_ArrVal_646 Int)) (or (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (and (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_#t~mem5#1.base|) (= |c_ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|)) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem5#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem5#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 1)))) (or (= |c_ULTIMATE.start_main_~status~0#1| 0) (= (select |c_#valid| |c_ULTIMATE.start_main_#t~mem20#1.base|) 1)) (or (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (forall ((v_ArrVal_646 Int)) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 1)) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (and (= |c_ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_~item~0#1.base|)))) (not .cse0)) (= (select |c_#valid| (select .cse1 |c_ULTIMATE.start_main_~head~0#1.offset|)) 1) .cse0 (forall ((v_ArrVal_646 Int)) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) (+ |c_ULTIMATE.start_main_~item~0#1.offset| 8) v_ArrVal_646)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (= (select |c_#valid| .cse2) 1) (and (forall ((v_ArrVal_647 Int)) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~item~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~item~0#1.base|) (+ |c_ULTIMATE.start_main_~item~0#1.offset| 8) v_ArrVal_647)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0)) (= .cse2 0))))) (not (= (select .cse1 |c_ULTIMATE.start_main_~item~0#1.offset|) |c_ULTIMATE.start_main_~item~0#1.base|)) (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_~item~0#1.base|))) is different from false [2022-02-20 23:54:18,593 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= (select |c_#valid| |c_ULTIMATE.start_main_~item~0#1.base|) 1)) (.cse1 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|))) (and (= |c_ULTIMATE.start_main_~head~0#1.offset| 0) (= |c_ULTIMATE.start_main_~item~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (or (not (= (select |c_#valid| |c_ULTIMATE.start_main_#t~mem5#1.base|) 1)) (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int) (v_ArrVal_646 Int)) (or (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (and (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_#t~mem5#1.base|) (= |c_ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|)) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem5#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem5#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 1)))) (or (forall ((|ULTIMATE.start_main_~item~0#1.offset| Int)) (or (forall ((v_ArrVal_646 Int)) (= (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_646)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 1)) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)) (and (= |c_ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_~item~0#1.base|)))) (not .cse0)) (= (select |c_#valid| (select .cse1 |c_ULTIMATE.start_main_~head~0#1.offset|)) 1) .cse0 (forall ((v_ArrVal_646 Int)) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) (+ |c_ULTIMATE.start_main_~item~0#1.offset| 8) v_ArrVal_646)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (or (= (select |c_#valid| .cse2) 1) (and (forall ((v_ArrVal_647 Int)) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~item~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~item~0#1.base|) (+ |c_ULTIMATE.start_main_~item~0#1.offset| 8) v_ArrVal_647)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0)) (= .cse2 0))))) (not (= (select .cse1 |c_ULTIMATE.start_main_~item~0#1.offset|) |c_ULTIMATE.start_main_~item~0#1.base|)) (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_~item~0#1.base|))) is different from false [2022-02-20 23:54:26,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:26,731 INFO L93 Difference]: Finished difference Result 282 states and 310 transitions. [2022-02-20 23:54:26,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-20 23:54:26,732 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 3.71875) internal successors, (119), 33 states have internal predecessors, (119), 0 states have call successors, (0), 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 43 [2022-02-20 23:54:26,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:26,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 3.71875) internal successors, (119), 33 states have internal predecessors, (119), 0 states have call successors, (0), 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 23:54:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 253 transitions. [2022-02-20 23:54:26,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 3.71875) internal successors, (119), 33 states have internal predecessors, (119), 0 states have call successors, (0), 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 23:54:26,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 253 transitions. [2022-02-20 23:54:26,734 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states and 253 transitions. [2022-02-20 23:54:26,929 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 253 edges. 253 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:26,932 INFO L225 Difference]: With dead ends: 282 [2022-02-20 23:54:26,932 INFO L226 Difference]: Without dead ends: 282 [2022-02-20 23:54:26,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=529, Invalid=2126, Unknown=5, NotChecked=202, Total=2862 [2022-02-20 23:54:26,933 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 895 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 1280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 299 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:26,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [895 Valid, 1201 Invalid, 1280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 850 Invalid, 0 Unknown, 299 Unchecked, 0.7s Time] [2022-02-20 23:54:26,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-02-20 23:54:26,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 207. [2022-02-20 23:54:26,936 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:26,936 INFO L82 GeneralOperation]: Start isEquivalent. First operand 282 states. Second operand has 207 states, 175 states have (on average 1.2914285714285714) internal successors, (226), 206 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 23:54:26,936 INFO L74 IsIncluded]: Start isIncluded. First operand 282 states. Second operand has 207 states, 175 states have (on average 1.2914285714285714) internal successors, (226), 206 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 23:54:26,937 INFO L87 Difference]: Start difference. First operand 282 states. Second operand has 207 states, 175 states have (on average 1.2914285714285714) internal successors, (226), 206 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 23:54:26,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:26,940 INFO L93 Difference]: Finished difference Result 282 states and 310 transitions. [2022-02-20 23:54:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 310 transitions. [2022-02-20 23:54:26,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:26,940 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:26,941 INFO L74 IsIncluded]: Start isIncluded. First operand has 207 states, 175 states have (on average 1.2914285714285714) internal successors, (226), 206 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 282 states. [2022-02-20 23:54:26,941 INFO L87 Difference]: Start difference. First operand has 207 states, 175 states have (on average 1.2914285714285714) internal successors, (226), 206 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 282 states. [2022-02-20 23:54:26,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:26,944 INFO L93 Difference]: Finished difference Result 282 states and 310 transitions. [2022-02-20 23:54:26,944 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 310 transitions. [2022-02-20 23:54:26,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:26,945 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:26,945 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:26,945 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:26,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 175 states have (on average 1.2914285714285714) internal successors, (226), 206 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 23:54:26,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 226 transitions. [2022-02-20 23:54:26,947 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 226 transitions. Word has length 43 [2022-02-20 23:54:26,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:26,948 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 226 transitions. [2022-02-20 23:54:26,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 3.71875) internal successors, (119), 33 states have internal predecessors, (119), 0 states have call successors, (0), 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 23:54:26,948 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 226 transitions. [2022-02-20 23:54:26,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-20 23:54:26,955 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:26,956 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] [2022-02-20 23:54:26,974 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 23:54:27,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:27,172 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr66REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:27,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:27,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1598443619, now seen corresponding path program 1 times [2022-02-20 23:54:27,173 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:27,173 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752858451] [2022-02-20 23:54:27,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:27,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:27,427 INFO L290 TraceCheckUtils]: 0: Hoare triple {15202#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); {15202#true} is VALID [2022-02-20 23:54:27,428 INFO L290 TraceCheckUtils]: 1: Hoare triple {15202#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {15202#true} is VALID [2022-02-20 23:54:27,428 INFO L290 TraceCheckUtils]: 2: Hoare triple {15202#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {15204#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:27,428 INFO L290 TraceCheckUtils]: 3: Hoare triple {15204#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {15204#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:27,428 INFO L290 TraceCheckUtils]: 4: Hoare triple {15204#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {15204#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:27,429 INFO L290 TraceCheckUtils]: 5: Hoare triple {15204#(= (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; {15205#(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 23:54:27,429 INFO L290 TraceCheckUtils]: 6: Hoare triple {15205#(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; {15205#(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 23:54:27,430 INFO L290 TraceCheckUtils]: 7: Hoare triple {15205#(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(12); {15206#(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|) 12) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:27,430 INFO L290 TraceCheckUtils]: 8: Hoare triple {15206#(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|) 12) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {15207#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:27,431 INFO L290 TraceCheckUtils]: 9: Hoare triple {15207#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {15207#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:27,432 INFO L290 TraceCheckUtils]: 10: Hoare triple {15207#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1007 {15208#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem4#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:27,433 INFO L290 TraceCheckUtils]: 11: Hoare triple {15208#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem4#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {15207#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:27,433 INFO L290 TraceCheckUtils]: 12: Hoare triple {15207#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {15207#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:27,434 INFO L290 TraceCheckUtils]: 13: Hoare triple {15207#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {15209#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (not (= |ULTIMATE.start_main_#t~mem5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:27,434 INFO L290 TraceCheckUtils]: 14: Hoare triple {15209#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (not (= |ULTIMATE.start_main_#t~mem5#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {15210#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:27,435 INFO L290 TraceCheckUtils]: 15: Hoare triple {15210#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1009 {15210#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:27,435 INFO L290 TraceCheckUtils]: 16: Hoare triple {15210#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 == main_~status~0#1; {15210#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:27,436 INFO L290 TraceCheckUtils]: 17: Hoare triple {15210#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {15211#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:27,436 INFO L290 TraceCheckUtils]: 18: Hoare triple {15211#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~status~0#1 := 1; {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,437 INFO L290 TraceCheckUtils]: 19: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,437 INFO L290 TraceCheckUtils]: 20: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,438 INFO L290 TraceCheckUtils]: 21: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,438 INFO L290 TraceCheckUtils]: 22: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,438 INFO L290 TraceCheckUtils]: 23: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,439 INFO L290 TraceCheckUtils]: 24: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,439 INFO L290 TraceCheckUtils]: 25: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,439 INFO L290 TraceCheckUtils]: 26: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,440 INFO L290 TraceCheckUtils]: 27: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume 1 == main_~status~0#1; {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,440 INFO L290 TraceCheckUtils]: 28: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,440 INFO L290 TraceCheckUtils]: 29: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,441 INFO L290 TraceCheckUtils]: 30: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1035-4 {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,441 INFO L290 TraceCheckUtils]: 31: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0);havoc main_#t~mem6#1.base, main_#t~mem6#1.offset; {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,441 INFO L290 TraceCheckUtils]: 32: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,442 INFO L290 TraceCheckUtils]: 33: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !(2 == main_~status~0#1); {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,442 INFO L290 TraceCheckUtils]: 34: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !(3 == main_~status~0#1); {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:27,442 INFO L290 TraceCheckUtils]: 35: Hoare triple {15212#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {15213#(or (and (= 12 (select |#length| |ULTIMATE.start_main_#t~mem20#1.base|)) (= |ULTIMATE.start_main_#t~mem20#1.offset| 0)) (= |ULTIMATE.start_main_~status~0#1| 0))} is VALID [2022-02-20 23:54:27,443 INFO L290 TraceCheckUtils]: 36: Hoare triple {15213#(or (and (= 12 (select |#length| |ULTIMATE.start_main_#t~mem20#1.base|)) (= |ULTIMATE.start_main_#t~mem20#1.offset| 0)) (= |ULTIMATE.start_main_~status~0#1| 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {15214#(or (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} is VALID [2022-02-20 23:54:27,443 INFO L290 TraceCheckUtils]: 37: Hoare triple {15214#(or (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {15214#(or (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} is VALID [2022-02-20 23:54:27,444 INFO L290 TraceCheckUtils]: 38: Hoare triple {15214#(or (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} assume main_#t~short22#1;assume -2147483648 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 2147483647;main_#t~short22#1 := 0 != main_#t~nondet21#1; {15214#(or (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} is VALID [2022-02-20 23:54:27,444 INFO L290 TraceCheckUtils]: 39: Hoare triple {15214#(or (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} assume !!main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {15214#(or (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} is VALID [2022-02-20 23:54:27,444 INFO L290 TraceCheckUtils]: 40: Hoare triple {15214#(or (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|))) (= |ULTIMATE.start_main_~status~0#1| 0))} main_#t~short24#1 := 0 == main_~status~0#1; {15215#(or (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|))) |ULTIMATE.start_main_#t~short24#1|)} is VALID [2022-02-20 23:54:27,445 INFO L290 TraceCheckUtils]: 41: Hoare triple {15215#(or (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|))) |ULTIMATE.start_main_#t~short24#1|)} assume !main_#t~short24#1; {15216#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:54:27,445 INFO L290 TraceCheckUtils]: 42: Hoare triple {15216#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume !(4 + (8 + main_~item~0#1.offset) <= #length[main_~item~0#1.base] && 0 <= 8 + main_~item~0#1.offset); {15203#false} is VALID [2022-02-20 23:54:27,445 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 23:54:27,446 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:27,446 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752858451] [2022-02-20 23:54:27,446 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752858451] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:54:27,446 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726441441] [2022-02-20 23:54:27,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:27,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:27,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:27,447 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 23:54:27,447 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 23:54:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:27,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-20 23:54:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:27,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:27,561 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 23:54:27,664 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 23:54:27,674 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:54:27,675 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 23:54:27,734 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 23:54:27,760 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 23:54:27,873 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:27,873 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 23:54:27,879 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 23:54:27,999 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:54:28,000 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 23:54:28,018 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 23:54:28,034 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:28,034 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 23:54:28,098 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:28,098 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 23:54:28,104 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 23:54:28,380 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 23:54:28,389 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 23:54:28,471 INFO L290 TraceCheckUtils]: 0: Hoare triple {15202#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); {15202#true} is VALID [2022-02-20 23:54:28,471 INFO L290 TraceCheckUtils]: 1: Hoare triple {15202#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {15223#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:28,472 INFO L290 TraceCheckUtils]: 2: Hoare triple {15223#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {15223#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:28,472 INFO L290 TraceCheckUtils]: 3: Hoare triple {15223#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {15223#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:28,473 INFO L290 TraceCheckUtils]: 4: Hoare triple {15223#(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, 8 + main_~head~0#1.offset, 4); srcloc: L999 {15223#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:28,473 INFO L290 TraceCheckUtils]: 5: Hoare triple {15223#(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; {15236#(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 23:54:28,473 INFO L290 TraceCheckUtils]: 6: Hoare triple {15236#(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; {15236#(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 23:54:28,474 INFO L290 TraceCheckUtils]: 7: Hoare triple {15236#(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(12); {15243#(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) (<= 12 (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 23:54:28,475 INFO L290 TraceCheckUtils]: 8: Hoare triple {15243#(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) (<= 12 (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$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {15247#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:28,475 INFO L290 TraceCheckUtils]: 9: Hoare triple {15247#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {15247#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:28,476 INFO L290 TraceCheckUtils]: 10: Hoare triple {15247#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1007 {15254#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:28,477 INFO L290 TraceCheckUtils]: 11: Hoare triple {15254#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {15247#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:28,477 INFO L290 TraceCheckUtils]: 12: Hoare triple {15247#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {15247#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:28,478 INFO L290 TraceCheckUtils]: 13: Hoare triple {15247#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {15264#(and (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,478 INFO L290 TraceCheckUtils]: 14: Hoare triple {15264#(and (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {15268#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,479 INFO L290 TraceCheckUtils]: 15: Hoare triple {15268#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1009 {15268#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,480 INFO L290 TraceCheckUtils]: 16: Hoare triple {15268#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 == main_~status~0#1; {15268#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,481 INFO L290 TraceCheckUtils]: 17: Hoare triple {15268#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,481 INFO L290 TraceCheckUtils]: 18: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~status~0#1 := 1; {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,482 INFO L290 TraceCheckUtils]: 19: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,482 INFO L290 TraceCheckUtils]: 20: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,483 INFO L290 TraceCheckUtils]: 21: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,483 INFO L290 TraceCheckUtils]: 22: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,483 INFO L290 TraceCheckUtils]: 23: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,484 INFO L290 TraceCheckUtils]: 24: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,484 INFO L290 TraceCheckUtils]: 25: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,484 INFO L290 TraceCheckUtils]: 26: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,485 INFO L290 TraceCheckUtils]: 27: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 1 == main_~status~0#1; {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,485 INFO L290 TraceCheckUtils]: 28: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,486 INFO L290 TraceCheckUtils]: 29: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,486 INFO L290 TraceCheckUtils]: 30: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1035-4 {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,486 INFO L290 TraceCheckUtils]: 31: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0);havoc main_#t~mem6#1.base, main_#t~mem6#1.offset; {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,487 INFO L290 TraceCheckUtils]: 32: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} goto; {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,487 INFO L290 TraceCheckUtils]: 33: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(2 == main_~status~0#1); {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,488 INFO L290 TraceCheckUtils]: 34: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(3 == main_~status~0#1); {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:28,488 INFO L290 TraceCheckUtils]: 35: Hoare triple {15278#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {15333#(and (= |ULTIMATE.start_main_#t~mem20#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_#t~mem20#1.base|)))} is VALID [2022-02-20 23:54:28,488 INFO L290 TraceCheckUtils]: 36: Hoare triple {15333#(and (= |ULTIMATE.start_main_#t~mem20#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_#t~mem20#1.base|)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {15337#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:54:28,489 INFO L290 TraceCheckUtils]: 37: Hoare triple {15337#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {15337#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:54:28,489 INFO L290 TraceCheckUtils]: 38: Hoare triple {15337#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume main_#t~short22#1;assume -2147483648 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 2147483647;main_#t~short22#1 := 0 != main_#t~nondet21#1; {15337#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:54:28,489 INFO L290 TraceCheckUtils]: 39: Hoare triple {15337#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume !!main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {15337#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:54:28,490 INFO L290 TraceCheckUtils]: 40: Hoare triple {15337#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} main_#t~short24#1 := 0 == main_~status~0#1; {15337#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:54:28,490 INFO L290 TraceCheckUtils]: 41: Hoare triple {15337#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume !main_#t~short24#1; {15337#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:54:28,490 INFO L290 TraceCheckUtils]: 42: Hoare triple {15337#(and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume !(4 + (8 + main_~item~0#1.offset) <= #length[main_~item~0#1.base] && 0 <= 8 + main_~item~0#1.offset); {15203#false} is VALID [2022-02-20 23:54:28,491 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 23:54:28,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:54:28,793 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_751) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 8))) (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_751) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 12) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base| v_ArrVal_752) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) is different from false [2022-02-20 23:54:28,840 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem5#1.base| v_ArrVal_751) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 8))) (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem5#1.base| v_ArrVal_751) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 12) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem5#1.base| v_ArrVal_752) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) is different from false [2022-02-20 23:54:28,857 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|))) (<= (+ (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_751) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 12) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_752) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store |c_#memory_$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_751) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 8)))) is different from false [2022-02-20 23:54:28,892 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_747) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_748) |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 8))) (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_748))) (let ((.cse0 (select (select .cse1 |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|))) (<= (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_747) .cse0 v_ArrVal_751) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 12) (select |c_#length| (select (select (store .cse1 .cse0 v_ArrVal_752) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) is different from false [2022-02-20 23:54:28,917 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|))) (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_747) (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_748) |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 8))) (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|))) (let ((.cse3 (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_748))) (let ((.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~item~0#1.base|) |c_ULTIMATE.start_main_~item~0#1.offset|))) (<= (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_747) .cse2 v_ArrVal_751) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 12) (select |c_#length| (select (select (store .cse3 .cse2 v_ArrVal_752) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))))))) is different from false [2022-02-20 23:54:28,961 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:28,961 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 38 treesize of output 39 [2022-02-20 23:54:28,966 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:28,967 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 30 treesize of output 31 [2022-02-20 23:54:28,987 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 54 treesize of output 46 [2022-02-20 23:54:29,002 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:29,002 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 112 treesize of output 111 [2022-02-20 23:54:29,006 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 68 treesize of output 60 [2022-02-20 23:54:29,010 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 88 treesize of output 82 [2022-02-20 23:54:29,017 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 56 treesize of output 54 [2022-02-20 23:54:29,173 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:29,173 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 73 treesize of output 74 [2022-02-20 23:54:29,181 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:29,181 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 65 treesize of output 50 [2022-02-20 23:54:29,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:29,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:29,199 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 74 treesize of output 50 [2022-02-20 23:54:29,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:29,212 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 42 treesize of output 30 [2022-02-20 23:54:29,218 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 23:54:29,421 INFO L290 TraceCheckUtils]: 42: Hoare triple {15356#(and (<= (+ 12 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} assume !(4 + (8 + main_~item~0#1.offset) <= #length[main_~item~0#1.base] && 0 <= 8 + main_~item~0#1.offset); {15203#false} is VALID [2022-02-20 23:54:29,421 INFO L290 TraceCheckUtils]: 41: Hoare triple {15356#(and (<= (+ 12 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} assume !main_#t~short24#1; {15356#(and (<= (+ 12 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:54:29,422 INFO L290 TraceCheckUtils]: 40: Hoare triple {15356#(and (<= (+ 12 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} main_#t~short24#1 := 0 == main_~status~0#1; {15356#(and (<= (+ 12 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:54:29,434 INFO L290 TraceCheckUtils]: 39: Hoare triple {15356#(and (<= (+ 12 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} assume !!main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {15356#(and (<= (+ 12 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:54:29,439 INFO L290 TraceCheckUtils]: 38: Hoare triple {15356#(and (<= (+ 12 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} assume main_#t~short22#1;assume -2147483648 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 2147483647;main_#t~short22#1 := 0 != main_#t~nondet21#1; {15356#(and (<= (+ 12 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:54:29,439 INFO L290 TraceCheckUtils]: 37: Hoare triple {15356#(and (<= (+ 12 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {15356#(and (<= (+ 12 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:54:29,440 INFO L290 TraceCheckUtils]: 36: Hoare triple {15375#(and (<= 0 (+ 8 |ULTIMATE.start_main_#t~mem20#1.offset|)) (<= (+ 12 |ULTIMATE.start_main_#t~mem20#1.offset|) (select |#length| |ULTIMATE.start_main_#t~mem20#1.base|)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {15356#(and (<= (+ 12 |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:54:29,440 INFO L290 TraceCheckUtils]: 35: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {15375#(and (<= 0 (+ 8 |ULTIMATE.start_main_#t~mem20#1.offset|)) (<= (+ 12 |ULTIMATE.start_main_#t~mem20#1.offset|) (select |#length| |ULTIMATE.start_main_#t~mem20#1.base|)))} is VALID [2022-02-20 23:54:29,441 INFO L290 TraceCheckUtils]: 34: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(3 == main_~status~0#1); {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,441 INFO L290 TraceCheckUtils]: 33: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(2 == main_~status~0#1); {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,442 INFO L290 TraceCheckUtils]: 32: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,442 INFO L290 TraceCheckUtils]: 31: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0);havoc main_#t~mem6#1.base, main_#t~mem6#1.offset; {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,443 INFO L290 TraceCheckUtils]: 30: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1035-4 {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,443 INFO L290 TraceCheckUtils]: 29: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,444 INFO L290 TraceCheckUtils]: 28: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,451 INFO L290 TraceCheckUtils]: 27: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume 1 == main_~status~0#1; {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,452 INFO L290 TraceCheckUtils]: 26: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,452 INFO L290 TraceCheckUtils]: 25: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,453 INFO L290 TraceCheckUtils]: 24: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,453 INFO L290 TraceCheckUtils]: 23: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,454 INFO L290 TraceCheckUtils]: 22: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,454 INFO L290 TraceCheckUtils]: 21: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,454 INFO L290 TraceCheckUtils]: 20: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} goto; {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,455 INFO L290 TraceCheckUtils]: 19: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,455 INFO L290 TraceCheckUtils]: 18: Hoare triple {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} main_~status~0#1 := 1; {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,457 INFO L290 TraceCheckUtils]: 17: Hoare triple {15434#(and (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ 12 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ 8 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} SUMMARY for call write~int(1, main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {15379#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:29,457 INFO L290 TraceCheckUtils]: 16: Hoare triple {15434#(and (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ 12 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ 8 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} assume 0 == main_~status~0#1; {15434#(and (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ 12 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ 8 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:54:29,461 WARN L290 TraceCheckUtils]: 15: Hoare triple {15434#(and (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ 12 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ 8 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1009 {15434#(and (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ 12 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ 8 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is UNKNOWN [2022-02-20 23:54:29,462 INFO L290 TraceCheckUtils]: 14: Hoare triple {15444#(and (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem5#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem5#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base| v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {15434#(and (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ 12 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ 8 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:54:29,463 INFO L290 TraceCheckUtils]: 13: Hoare triple {15448#(and (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {15444#(and (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem5#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem5#1.base| v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base| v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:54:29,463 INFO L290 TraceCheckUtils]: 12: Hoare triple {15448#(and (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {15448#(and (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} is VALID [2022-02-20 23:54:29,465 INFO L290 TraceCheckUtils]: 11: Hoare triple {15455#(and (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_747) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_748) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_747) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {15448#(and (forall ((v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} is VALID [2022-02-20 23:54:29,466 INFO L290 TraceCheckUtils]: 10: Hoare triple {15459#(and (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_747) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_747) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1007 {15455#(and (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_747) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_748) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_747) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} is VALID [2022-02-20 23:54:29,467 INFO L290 TraceCheckUtils]: 9: Hoare triple {15459#(and (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_747) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_747) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {15459#(and (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_747) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_747) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} is VALID [2022-02-20 23:54:29,469 INFO L290 TraceCheckUtils]: 8: Hoare triple {15466#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (<= (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 12) (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 8)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {15459#(and (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int)) (v_ArrVal_752 (Array Int Int))) (<= (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_747) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 12) (select |#length| (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_752) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_748 (Array Int Int)) (v_ArrVal_747 (Array Int Int)) (v_ArrVal_751 (Array Int Int))) (<= 0 (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_747) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_748) |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_751) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} is VALID [2022-02-20 23:54:29,470 INFO L290 TraceCheckUtils]: 7: Hoare triple {15470#(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 (not (= |ULTIMATE.start_main_~item~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_13|)) (= |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(12); {15466#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (<= (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 12) (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 8)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:29,470 INFO L290 TraceCheckUtils]: 6: Hoare triple {15470#(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 (not (= |ULTIMATE.start_main_~item~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_13|)) (= |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; {15470#(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 (not (= |ULTIMATE.start_main_~item~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_13|)) (= |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 23:54:29,471 INFO L290 TraceCheckUtils]: 5: Hoare triple {15477#(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; {15470#(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 (not (= |ULTIMATE.start_main_~item~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_13|)) (= |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 23:54:29,471 INFO L290 TraceCheckUtils]: 4: Hoare triple {15477#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {15477#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:29,472 INFO L290 TraceCheckUtils]: 3: Hoare triple {15477#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {15477#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:29,472 INFO L290 TraceCheckUtils]: 2: Hoare triple {15477#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {15477#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:29,473 INFO L290 TraceCheckUtils]: 1: Hoare triple {15202#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {15477#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:29,473 INFO L290 TraceCheckUtils]: 0: Hoare triple {15202#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); {15202#true} is VALID [2022-02-20 23:54:29,473 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 23:54:29,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726441441] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:54:29,473 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:54:29,473 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 12] total 35 [2022-02-20 23:54:29,474 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326533867] [2022-02-20 23:54:29,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:54:29,476 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 3.6285714285714286) internal successors, (127), 36 states have internal predecessors, (127), 0 states have call successors, (0), 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 43 [2022-02-20 23:54:29,476 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:29,476 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 36 states, 35 states have (on average 3.6285714285714286) internal successors, (127), 36 states have internal predecessors, (127), 0 states have call successors, (0), 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 23:54:29,583 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 127 edges. 126 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:29,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-02-20 23:54:29,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:29,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-02-20 23:54:29,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=831, Unknown=5, NotChecked=310, Total=1260 [2022-02-20 23:54:29,585 INFO L87 Difference]: Start difference. First operand 207 states and 226 transitions. Second operand has 36 states, 35 states have (on average 3.6285714285714286) internal successors, (127), 36 states have internal predecessors, (127), 0 states have call successors, (0), 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 23:54:33,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:33,503 INFO L93 Difference]: Finished difference Result 338 states and 363 transitions. [2022-02-20 23:54:33,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-20 23:54:33,503 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 3.6285714285714286) internal successors, (127), 36 states have internal predecessors, (127), 0 states have call successors, (0), 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 43 [2022-02-20 23:54:33,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:33,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 3.6285714285714286) internal successors, (127), 36 states have internal predecessors, (127), 0 states have call successors, (0), 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 23:54:33,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 322 transitions. [2022-02-20 23:54:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 3.6285714285714286) internal successors, (127), 36 states have internal predecessors, (127), 0 states have call successors, (0), 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 23:54:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 322 transitions. [2022-02-20 23:54:33,506 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 30 states and 322 transitions. [2022-02-20 23:54:33,743 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 322 edges. 322 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:33,747 INFO L225 Difference]: With dead ends: 338 [2022-02-20 23:54:33,747 INFO L226 Difference]: Without dead ends: 338 [2022-02-20 23:54:33,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 65 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 565 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=509, Invalid=2586, Unknown=5, NotChecked=560, Total=3660 [2022-02-20 23:54:33,748 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 595 mSDsluCounter, 1179 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 2899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1397 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:33,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [595 Valid, 1261 Invalid, 2899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1378 Invalid, 0 Unknown, 1397 Unchecked, 1.1s Time] [2022-02-20 23:54:33,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2022-02-20 23:54:33,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 211. [2022-02-20 23:54:33,751 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:33,751 INFO L82 GeneralOperation]: Start isEquivalent. First operand 338 states. Second operand has 211 states, 179 states have (on average 1.2849162011173185) internal successors, (230), 210 states have internal predecessors, (230), 0 states have call successors, (0), 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 23:54:33,751 INFO L74 IsIncluded]: Start isIncluded. First operand 338 states. Second operand has 211 states, 179 states have (on average 1.2849162011173185) internal successors, (230), 210 states have internal predecessors, (230), 0 states have call successors, (0), 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 23:54:33,752 INFO L87 Difference]: Start difference. First operand 338 states. Second operand has 211 states, 179 states have (on average 1.2849162011173185) internal successors, (230), 210 states have internal predecessors, (230), 0 states have call successors, (0), 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 23:54:33,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:33,756 INFO L93 Difference]: Finished difference Result 338 states and 363 transitions. [2022-02-20 23:54:33,756 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 363 transitions. [2022-02-20 23:54:33,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:33,756 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:33,756 INFO L74 IsIncluded]: Start isIncluded. First operand has 211 states, 179 states have (on average 1.2849162011173185) internal successors, (230), 210 states have internal predecessors, (230), 0 states have call successors, (0), 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 338 states. [2022-02-20 23:54:33,757 INFO L87 Difference]: Start difference. First operand has 211 states, 179 states have (on average 1.2849162011173185) internal successors, (230), 210 states have internal predecessors, (230), 0 states have call successors, (0), 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 338 states. [2022-02-20 23:54:33,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:33,761 INFO L93 Difference]: Finished difference Result 338 states and 363 transitions. [2022-02-20 23:54:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 363 transitions. [2022-02-20 23:54:33,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:33,761 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:33,761 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:33,761 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:33,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 179 states have (on average 1.2849162011173185) internal successors, (230), 210 states have internal predecessors, (230), 0 states have call successors, (0), 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 23:54:33,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 230 transitions. [2022-02-20 23:54:33,764 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 230 transitions. Word has length 43 [2022-02-20 23:54:33,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:33,764 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 230 transitions. [2022-02-20 23:54:33,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 3.6285714285714286) internal successors, (127), 36 states have internal predecessors, (127), 0 states have call successors, (0), 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 23:54:33,764 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 230 transitions. [2022-02-20 23:54:33,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-20 23:54:33,765 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:33,765 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] [2022-02-20 23:54:33,791 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 23:54:33,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:33,979 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:33,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:33,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1987856737, now seen corresponding path program 1 times [2022-02-20 23:54:33,980 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:33,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533524191] [2022-02-20 23:54:33,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:33,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:34,019 INFO L290 TraceCheckUtils]: 0: Hoare triple {16769#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); {16769#true} is VALID [2022-02-20 23:54:34,019 INFO L290 TraceCheckUtils]: 1: Hoare triple {16769#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {16769#true} is VALID [2022-02-20 23:54:34,020 INFO L290 TraceCheckUtils]: 2: Hoare triple {16769#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {16769#true} is VALID [2022-02-20 23:54:34,020 INFO L290 TraceCheckUtils]: 3: Hoare triple {16769#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {16769#true} is VALID [2022-02-20 23:54:34,020 INFO L290 TraceCheckUtils]: 4: Hoare triple {16769#true} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {16769#true} is VALID [2022-02-20 23:54:34,020 INFO L290 TraceCheckUtils]: 5: Hoare triple {16769#true} main_~item~0#1.base, main_~item~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~status~0#1 := 0; {16769#true} is VALID [2022-02-20 23:54:34,020 INFO L290 TraceCheckUtils]: 6: Hoare triple {16769#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16769#true} is VALID [2022-02-20 23:54:34,020 INFO L290 TraceCheckUtils]: 7: Hoare triple {16769#true} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12); {16769#true} is VALID [2022-02-20 23:54:34,020 INFO L290 TraceCheckUtils]: 8: Hoare triple {16769#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {16769#true} is VALID [2022-02-20 23:54:34,020 INFO L290 TraceCheckUtils]: 9: Hoare triple {16769#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {16769#true} is VALID [2022-02-20 23:54:34,020 INFO L290 TraceCheckUtils]: 10: Hoare triple {16769#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1007 {16769#true} is VALID [2022-02-20 23:54:34,021 INFO L290 TraceCheckUtils]: 11: Hoare triple {16769#true} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {16769#true} is VALID [2022-02-20 23:54:34,021 INFO L290 TraceCheckUtils]: 12: Hoare triple {16769#true} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {16769#true} is VALID [2022-02-20 23:54:34,021 INFO L290 TraceCheckUtils]: 13: Hoare triple {16769#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {16769#true} is VALID [2022-02-20 23:54:34,021 INFO L290 TraceCheckUtils]: 14: Hoare triple {16769#true} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {16769#true} is VALID [2022-02-20 23:54:34,021 INFO L290 TraceCheckUtils]: 15: Hoare triple {16769#true} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1009 {16769#true} is VALID [2022-02-20 23:54:34,021 INFO L290 TraceCheckUtils]: 16: Hoare triple {16769#true} assume 0 == main_~status~0#1; {16769#true} is VALID [2022-02-20 23:54:34,021 INFO L290 TraceCheckUtils]: 17: Hoare triple {16769#true} SUMMARY for call write~int(1, main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {16769#true} is VALID [2022-02-20 23:54:34,021 INFO L290 TraceCheckUtils]: 18: Hoare triple {16769#true} main_~status~0#1 := 1; {16769#true} is VALID [2022-02-20 23:54:34,021 INFO L290 TraceCheckUtils]: 19: Hoare triple {16769#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {16769#true} is VALID [2022-02-20 23:54:34,021 INFO L290 TraceCheckUtils]: 20: Hoare triple {16769#true} goto; {16769#true} is VALID [2022-02-20 23:54:34,022 INFO L290 TraceCheckUtils]: 21: Hoare triple {16769#true} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {16769#true} is VALID [2022-02-20 23:54:34,022 INFO L290 TraceCheckUtils]: 22: Hoare triple {16769#true} goto; {16769#true} is VALID [2022-02-20 23:54:34,022 INFO L290 TraceCheckUtils]: 23: Hoare triple {16769#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16769#true} is VALID [2022-02-20 23:54:34,022 INFO L290 TraceCheckUtils]: 24: Hoare triple {16769#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {16769#true} is VALID [2022-02-20 23:54:34,022 INFO L290 TraceCheckUtils]: 25: Hoare triple {16769#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {16769#true} is VALID [2022-02-20 23:54:34,022 INFO L290 TraceCheckUtils]: 26: Hoare triple {16769#true} goto; {16769#true} is VALID [2022-02-20 23:54:34,022 INFO L290 TraceCheckUtils]: 27: Hoare triple {16769#true} assume 1 == main_~status~0#1; {16769#true} is VALID [2022-02-20 23:54:34,022 INFO L290 TraceCheckUtils]: 28: Hoare triple {16769#true} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {16769#true} is VALID [2022-02-20 23:54:34,022 INFO L290 TraceCheckUtils]: 29: Hoare triple {16769#true} goto; {16769#true} is VALID [2022-02-20 23:54:34,022 INFO L290 TraceCheckUtils]: 30: Hoare triple {16769#true} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1035-4 {16769#true} is VALID [2022-02-20 23:54:34,023 INFO L290 TraceCheckUtils]: 31: Hoare triple {16769#true} assume !!(main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0);havoc main_#t~mem6#1.base, main_#t~mem6#1.offset; {16769#true} is VALID [2022-02-20 23:54:34,023 INFO L290 TraceCheckUtils]: 32: Hoare triple {16769#true} goto; {16769#true} is VALID [2022-02-20 23:54:34,023 INFO L290 TraceCheckUtils]: 33: Hoare triple {16769#true} assume !(2 == main_~status~0#1); {16769#true} is VALID [2022-02-20 23:54:34,023 INFO L290 TraceCheckUtils]: 34: Hoare triple {16769#true} assume !(3 == main_~status~0#1); {16769#true} is VALID [2022-02-20 23:54:34,023 INFO L290 TraceCheckUtils]: 35: Hoare triple {16769#true} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {16769#true} is VALID [2022-02-20 23:54:34,023 INFO L290 TraceCheckUtils]: 36: Hoare triple {16769#true} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {16769#true} is VALID [2022-02-20 23:54:34,023 INFO L290 TraceCheckUtils]: 37: Hoare triple {16769#true} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {16769#true} is VALID [2022-02-20 23:54:34,023 INFO L290 TraceCheckUtils]: 38: Hoare triple {16769#true} assume main_#t~short22#1;assume -2147483648 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 2147483647;main_#t~short22#1 := 0 != main_#t~nondet21#1; {16769#true} is VALID [2022-02-20 23:54:34,023 INFO L290 TraceCheckUtils]: 39: Hoare triple {16769#true} assume !!main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {16769#true} is VALID [2022-02-20 23:54:34,024 INFO L290 TraceCheckUtils]: 40: Hoare triple {16769#true} main_#t~short24#1 := 0 == main_~status~0#1; {16769#true} is VALID [2022-02-20 23:54:34,024 INFO L290 TraceCheckUtils]: 41: Hoare triple {16769#true} assume main_#t~short24#1; {16771#|ULTIMATE.start_main_#t~short24#1|} is VALID [2022-02-20 23:54:34,024 INFO L290 TraceCheckUtils]: 42: Hoare triple {16771#|ULTIMATE.start_main_#t~short24#1|} assume !main_#t~short24#1;havoc main_#t~mem23#1;havoc main_#t~short24#1; {16770#false} is VALID [2022-02-20 23:54:34,024 INFO L290 TraceCheckUtils]: 43: Hoare triple {16770#false} assume !false; {16770#false} is VALID [2022-02-20 23:54:34,024 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 23:54:34,025 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:34,025 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533524191] [2022-02-20 23:54:34,025 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533524191] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:34,025 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:34,025 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:54:34,025 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43231353] [2022-02-20 23:54:34,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:34,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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 44 [2022-02-20 23:54:34,026 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:34,026 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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 23:54:34,046 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 23:54:34,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:54:34,046 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:34,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:54:34,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:54:34,047 INFO L87 Difference]: Start difference. First operand 211 states and 230 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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 23:54:34,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:34,135 INFO L93 Difference]: Finished difference Result 212 states and 230 transitions. [2022-02-20 23:54:34,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:54:34,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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 44 [2022-02-20 23:54:34,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:34,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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 23:54:34,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2022-02-20 23:54:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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 23:54:34,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2022-02-20 23:54:34,136 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 141 transitions. [2022-02-20 23:54:34,224 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 141 edges. 141 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:34,226 INFO L225 Difference]: With dead ends: 212 [2022-02-20 23:54:34,226 INFO L226 Difference]: Without dead ends: 212 [2022-02-20 23:54:34,226 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 23:54:34,227 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 270 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 23:54:34,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:54:34,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-02-20 23:54:34,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2022-02-20 23:54:34,229 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:34,229 INFO L82 GeneralOperation]: Start isEquivalent. First operand 212 states. Second operand has 212 states, 180 states have (on average 1.2777777777777777) internal successors, (230), 211 states have internal predecessors, (230), 0 states have call successors, (0), 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 23:54:34,230 INFO L74 IsIncluded]: Start isIncluded. First operand 212 states. Second operand has 212 states, 180 states have (on average 1.2777777777777777) internal successors, (230), 211 states have internal predecessors, (230), 0 states have call successors, (0), 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 23:54:34,230 INFO L87 Difference]: Start difference. First operand 212 states. Second operand has 212 states, 180 states have (on average 1.2777777777777777) internal successors, (230), 211 states have internal predecessors, (230), 0 states have call successors, (0), 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 23:54:34,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:34,232 INFO L93 Difference]: Finished difference Result 212 states and 230 transitions. [2022-02-20 23:54:34,232 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 230 transitions. [2022-02-20 23:54:34,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:34,232 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:34,233 INFO L74 IsIncluded]: Start isIncluded. First operand has 212 states, 180 states have (on average 1.2777777777777777) internal successors, (230), 211 states have internal predecessors, (230), 0 states have call successors, (0), 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 212 states. [2022-02-20 23:54:34,233 INFO L87 Difference]: Start difference. First operand has 212 states, 180 states have (on average 1.2777777777777777) internal successors, (230), 211 states have internal predecessors, (230), 0 states have call successors, (0), 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 212 states. [2022-02-20 23:54:34,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:34,235 INFO L93 Difference]: Finished difference Result 212 states and 230 transitions. [2022-02-20 23:54:34,235 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 230 transitions. [2022-02-20 23:54:34,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:34,235 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:34,235 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:34,235 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:34,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 180 states have (on average 1.2777777777777777) internal successors, (230), 211 states have internal predecessors, (230), 0 states have call successors, (0), 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 23:54:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 230 transitions. [2022-02-20 23:54:34,238 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 230 transitions. Word has length 44 [2022-02-20 23:54:34,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:34,238 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 230 transitions. [2022-02-20 23:54:34,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 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 23:54:34,238 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 230 transitions. [2022-02-20 23:54:34,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-02-20 23:54:34,238 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:34,239 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, 1] [2022-02-20 23:54:34,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-20 23:54:34,239 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:34,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:34,239 INFO L85 PathProgramCache]: Analyzing trace with hash 931768708, now seen corresponding path program 1 times [2022-02-20 23:54:34,239 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:34,239 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335977470] [2022-02-20 23:54:34,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:34,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:35,025 INFO L290 TraceCheckUtils]: 0: Hoare triple {17622#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); {17622#true} is VALID [2022-02-20 23:54:35,025 INFO L290 TraceCheckUtils]: 1: Hoare triple {17622#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {17624#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:35,026 INFO L290 TraceCheckUtils]: 2: Hoare triple {17624#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {17625#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:35,026 INFO L290 TraceCheckUtils]: 3: Hoare triple {17625#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {17625#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:35,027 INFO L290 TraceCheckUtils]: 4: Hoare triple {17625#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (= |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, 8 + main_~head~0#1.offset, 4); srcloc: L999 {17625#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:35,027 INFO L290 TraceCheckUtils]: 5: Hoare triple {17625#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (= |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; {17626#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (= |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 23:54:35,028 INFO L290 TraceCheckUtils]: 6: Hoare triple {17626#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (= |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; {17626#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (= |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 23:54:35,028 INFO L290 TraceCheckUtils]: 7: Hoare triple {17626#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (= |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(12); {17627#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (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 23:54:35,029 INFO L290 TraceCheckUtils]: 8: Hoare triple {17627#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (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$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {17628#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:35,030 INFO L290 TraceCheckUtils]: 9: Hoare triple {17628#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {17628#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:35,030 INFO L290 TraceCheckUtils]: 10: Hoare triple {17628#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (not (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1007 {17629#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem4#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:35,031 INFO L290 TraceCheckUtils]: 11: Hoare triple {17629#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_#t~mem4#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {17630#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:35,031 INFO L290 TraceCheckUtils]: 12: Hoare triple {17630#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {17630#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:35,032 INFO L290 TraceCheckUtils]: 13: Hoare triple {17630#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {17631#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| |ULTIMATE.start_main_#t~mem5#1.base|)) (= |ULTIMATE.start_main_#t~mem5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:35,032 INFO L290 TraceCheckUtils]: 14: Hoare triple {17631#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| |ULTIMATE.start_main_#t~mem5#1.base|)) (= |ULTIMATE.start_main_#t~mem5#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {17632#(and (<= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (+ (* (- 1) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= (+ (- 12) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) 0) (not (= |ULTIMATE.start_main_~item~0#1.offset| 0))) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:54:35,033 INFO L290 TraceCheckUtils]: 15: Hoare triple {17632#(and (<= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (+ (* (- 1) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= (+ (- 12) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) 0) (not (= |ULTIMATE.start_main_~item~0#1.offset| 0))) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1009 {17633#(and (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (and (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|))) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|))) (<= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (+ (* (- 1) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:54:35,034 INFO L290 TraceCheckUtils]: 16: Hoare triple {17633#(and (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (and (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|))) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|))) (<= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (+ (* (- 1) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} assume 0 == main_~status~0#1; {17633#(and (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (and (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|))) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|))) (<= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (+ (* (- 1) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:54:35,035 INFO L290 TraceCheckUtils]: 17: Hoare triple {17633#(and (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (and (< 0 |ULTIMATE.start_main_~item~0#1.offset|) (= 12 (select |#length| |ULTIMATE.start_main_~item~0#1.base|))) (and (not (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|))) (<= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 12) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (+ (* (- 1) |ULTIMATE.start_main_~item~0#1.offset|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} SUMMARY for call write~int(1, main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {17634#(and (<= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|) (or (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} is VALID [2022-02-20 23:54:35,036 INFO L290 TraceCheckUtils]: 18: Hoare triple {17634#(and (<= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|) (or (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)))} main_~status~0#1 := 1; {17635#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (<= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= (+ (* (- 1) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|) (or (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} is VALID [2022-02-20 23:54:35,037 INFO L290 TraceCheckUtils]: 19: Hoare triple {17635#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (<= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= (+ (* (- 1) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|) (or (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17635#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (<= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= (+ (* (- 1) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|) (or (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} is VALID [2022-02-20 23:54:35,038 INFO L290 TraceCheckUtils]: 20: Hoare triple {17635#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (<= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= (+ (* (- 1) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|) (or (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} goto; {17635#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (<= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= (+ (* (- 1) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|) (or (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} is VALID [2022-02-20 23:54:35,038 INFO L290 TraceCheckUtils]: 21: Hoare triple {17635#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (<= (+ (select |#length| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= (+ (* (- 1) (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (select |#length| |ULTIMATE.start_main_~item~0#1.base|)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|) (or (and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:35,039 INFO L290 TraceCheckUtils]: 22: Hoare triple {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} goto; {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:35,039 INFO L290 TraceCheckUtils]: 23: Hoare triple {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:35,040 INFO L290 TraceCheckUtils]: 24: Hoare triple {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:35,040 INFO L290 TraceCheckUtils]: 25: Hoare triple {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:35,041 INFO L290 TraceCheckUtils]: 26: Hoare triple {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} goto; {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:35,041 INFO L290 TraceCheckUtils]: 27: Hoare triple {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume 1 == main_~status~0#1; {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:35,042 INFO L290 TraceCheckUtils]: 28: Hoare triple {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:35,042 INFO L290 TraceCheckUtils]: 29: Hoare triple {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} goto; {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:35,043 INFO L290 TraceCheckUtils]: 30: Hoare triple {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1035-4 {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:35,043 INFO L290 TraceCheckUtils]: 31: Hoare triple {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume !!(main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0);havoc main_#t~mem6#1.base, main_#t~mem6#1.offset; {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:35,044 INFO L290 TraceCheckUtils]: 32: Hoare triple {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} goto; {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:35,044 INFO L290 TraceCheckUtils]: 33: Hoare triple {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume !(2 == main_~status~0#1); {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:35,045 INFO L290 TraceCheckUtils]: 34: Hoare triple {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume !(3 == main_~status~0#1); {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:35,046 INFO L290 TraceCheckUtils]: 35: Hoare triple {17636#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 1)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0)))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {17637#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_#t~mem20#1.base| 0) (= |ULTIMATE.start_main_#t~mem20#1.offset| 0)) (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem20#1.base|) (+ 8 |ULTIMATE.start_main_#t~mem20#1.offset|)) 1))} is VALID [2022-02-20 23:54:35,046 INFO L290 TraceCheckUtils]: 36: Hoare triple {17637#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_#t~mem20#1.base| 0) (= |ULTIMATE.start_main_#t~mem20#1.offset| 0)) (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem20#1.base|) (+ 8 |ULTIMATE.start_main_#t~mem20#1.offset|)) 1))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {17638#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| 0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:35,047 INFO L290 TraceCheckUtils]: 37: Hoare triple {17638#(or (= |ULTIMATE.start_main_~status~0#1| 0) (and (= |ULTIMATE.start_main_~item~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| 0)) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {17639#(or (= |ULTIMATE.start_main_~status~0#1| 0) (not |ULTIMATE.start_main_#t~short22#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:35,047 INFO L290 TraceCheckUtils]: 38: Hoare triple {17639#(or (= |ULTIMATE.start_main_~status~0#1| 0) (not |ULTIMATE.start_main_#t~short22#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} assume main_#t~short22#1;assume -2147483648 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 2147483647;main_#t~short22#1 := 0 != main_#t~nondet21#1; {17640#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:35,047 INFO L290 TraceCheckUtils]: 39: Hoare triple {17640#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} assume !!main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {17640#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:35,048 INFO L290 TraceCheckUtils]: 40: Hoare triple {17640#(or (= |ULTIMATE.start_main_~status~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} main_#t~short24#1 := 0 == main_~status~0#1; {17641#(or |ULTIMATE.start_main_#t~short24#1| (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} is VALID [2022-02-20 23:54:35,048 INFO L290 TraceCheckUtils]: 41: Hoare triple {17641#(or |ULTIMATE.start_main_#t~short24#1| (= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1))} assume !main_#t~short24#1; {17642#(= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1)} is VALID [2022-02-20 23:54:35,048 INFO L290 TraceCheckUtils]: 42: Hoare triple {17642#(= (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)) 1)} SUMMARY for call main_#t~mem23#1 := read~int(main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1055-3 {17643#(= |ULTIMATE.start_main_#t~mem23#1| 1)} is VALID [2022-02-20 23:54:35,049 INFO L290 TraceCheckUtils]: 43: Hoare triple {17643#(= |ULTIMATE.start_main_#t~mem23#1| 1)} main_#t~short24#1 := main_#t~mem23#1 > 0; {17644#|ULTIMATE.start_main_#t~short24#1|} is VALID [2022-02-20 23:54:35,049 INFO L290 TraceCheckUtils]: 44: Hoare triple {17644#|ULTIMATE.start_main_#t~short24#1|} assume !main_#t~short24#1;havoc main_#t~mem23#1;havoc main_#t~short24#1; {17623#false} is VALID [2022-02-20 23:54:35,049 INFO L290 TraceCheckUtils]: 45: Hoare triple {17623#false} assume !false; {17623#false} is VALID [2022-02-20 23:54:35,053 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 23:54:35,053 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:35,053 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335977470] [2022-02-20 23:54:35,053 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335977470] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:54:35,053 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390313724] [2022-02-20 23:54:35,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:35,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:35,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:35,054 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 23:54:35,055 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 23:54:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:35,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 46 conjunts are in the unsatisfiable core [2022-02-20 23:54:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:35,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:35,376 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-02-20 23:54:35,376 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 19 treesize of output 26 [2022-02-20 23:54:35,396 INFO L356 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-02-20 23:54:35,396 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 19 treesize of output 18 [2022-02-20 23:54:35,595 INFO L356 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2022-02-20 23:54:35,595 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 84 [2022-02-20 23:54:35,626 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 17 treesize of output 13 [2022-02-20 23:54:35,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:35,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:35,668 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-02-20 23:54:35,669 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 50 [2022-02-20 23:54:36,369 INFO L356 Elim1Store]: treesize reduction 3, result has 81.3 percent of original size [2022-02-20 23:54:36,369 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 60 [2022-02-20 23:54:36,379 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-20 23:54:36,379 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 40 [2022-02-20 23:54:36,546 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 19 treesize of output 7 [2022-02-20 23:54:36,589 INFO L290 TraceCheckUtils]: 0: Hoare triple {17622#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); {17622#true} is VALID [2022-02-20 23:54:36,589 INFO L290 TraceCheckUtils]: 1: Hoare triple {17622#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {17651#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:36,589 INFO L290 TraceCheckUtils]: 2: Hoare triple {17651#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {17651#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:36,590 INFO L290 TraceCheckUtils]: 3: Hoare triple {17651#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {17651#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:36,590 INFO L290 TraceCheckUtils]: 4: Hoare triple {17651#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {17651#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:36,590 INFO L290 TraceCheckUtils]: 5: Hoare triple {17651#(= |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; {17664#(and (= |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|))} is VALID [2022-02-20 23:54:36,591 INFO L290 TraceCheckUtils]: 6: Hoare triple {17664#(and (= |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|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17664#(and (= |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|))} is VALID [2022-02-20 23:54:36,591 INFO L290 TraceCheckUtils]: 7: Hoare triple {17664#(and (= |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|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12); {17664#(and (= |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|))} is VALID [2022-02-20 23:54:36,592 INFO L290 TraceCheckUtils]: 8: Hoare triple {17664#(and (= |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|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {17664#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:36,592 INFO L290 TraceCheckUtils]: 9: Hoare triple {17664#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {17664#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:36,592 INFO L290 TraceCheckUtils]: 10: Hoare triple {17664#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1007 {17664#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:36,593 INFO L290 TraceCheckUtils]: 11: Hoare triple {17664#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {17664#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:36,593 INFO L290 TraceCheckUtils]: 12: Hoare triple {17664#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {17664#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:36,594 INFO L290 TraceCheckUtils]: 13: Hoare triple {17664#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {17689#(and (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:36,594 INFO L290 TraceCheckUtils]: 14: Hoare triple {17689#(and (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {17693#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|))} is VALID [2022-02-20 23:54:36,595 INFO L290 TraceCheckUtils]: 15: Hoare triple {17693#(and (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1009 {17697#(and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|))} is VALID [2022-02-20 23:54:36,596 INFO L290 TraceCheckUtils]: 16: Hoare triple {17697#(and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|))} assume 0 == main_~status~0#1; {17697#(and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|))} is VALID [2022-02-20 23:54:36,597 INFO L290 TraceCheckUtils]: 17: Hoare triple {17697#(and (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (or (= |ULTIMATE.start_main_~item~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|))} SUMMARY for call write~int(1, main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} is VALID [2022-02-20 23:54:36,598 INFO L290 TraceCheckUtils]: 18: Hoare triple {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} main_~status~0#1 := 1; {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} is VALID [2022-02-20 23:54:36,599 INFO L290 TraceCheckUtils]: 19: Hoare triple {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} is VALID [2022-02-20 23:54:36,600 INFO L290 TraceCheckUtils]: 20: Hoare triple {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} goto; {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} is VALID [2022-02-20 23:54:36,600 INFO L290 TraceCheckUtils]: 21: Hoare triple {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} is VALID [2022-02-20 23:54:36,601 INFO L290 TraceCheckUtils]: 22: Hoare triple {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} goto; {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} is VALID [2022-02-20 23:54:36,602 INFO L290 TraceCheckUtils]: 23: Hoare triple {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} is VALID [2022-02-20 23:54:36,602 INFO L290 TraceCheckUtils]: 24: Hoare triple {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} is VALID [2022-02-20 23:54:36,603 INFO L290 TraceCheckUtils]: 25: Hoare triple {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} is VALID [2022-02-20 23:54:36,604 INFO L290 TraceCheckUtils]: 26: Hoare triple {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} goto; {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} is VALID [2022-02-20 23:54:36,604 INFO L290 TraceCheckUtils]: 27: Hoare triple {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} assume 1 == main_~status~0#1; {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} is VALID [2022-02-20 23:54:36,605 INFO L290 TraceCheckUtils]: 28: Hoare triple {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} is VALID [2022-02-20 23:54:36,606 INFO L290 TraceCheckUtils]: 29: Hoare triple {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} goto; {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} is VALID [2022-02-20 23:54:36,606 INFO L290 TraceCheckUtils]: 30: Hoare triple {17704#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1035-4 {17744#(and (= |ULTIMATE.start_main_#t~mem6#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))) (= |ULTIMATE.start_main_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:54:36,607 INFO L290 TraceCheckUtils]: 31: Hoare triple {17744#(and (= |ULTIMATE.start_main_#t~mem6#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))) (= |ULTIMATE.start_main_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !!(main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0);havoc main_#t~mem6#1.base, main_#t~mem6#1.offset; {17748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} is VALID [2022-02-20 23:54:36,608 INFO L290 TraceCheckUtils]: 32: Hoare triple {17748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} goto; {17748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} is VALID [2022-02-20 23:54:36,608 INFO L290 TraceCheckUtils]: 33: Hoare triple {17748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} assume !(2 == main_~status~0#1); {17748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} is VALID [2022-02-20 23:54:36,609 INFO L290 TraceCheckUtils]: 34: Hoare triple {17748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} assume !(3 == main_~status~0#1); {17748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} is VALID [2022-02-20 23:54:36,609 INFO L290 TraceCheckUtils]: 35: Hoare triple {17748#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {17761#(and (<= 0 |ULTIMATE.start_main_#t~mem20#1.offset|) (or (not (= |ULTIMATE.start_main_#t~mem20#1.offset| 0)) (not (= |ULTIMATE.start_main_#t~mem20#1.base| 0))) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_#t~mem20#1.base|) (+ 8 |ULTIMATE.start_main_#t~mem20#1.offset|))))} is VALID [2022-02-20 23:54:36,610 INFO L290 TraceCheckUtils]: 36: Hoare triple {17761#(and (<= 0 |ULTIMATE.start_main_#t~mem20#1.offset|) (or (not (= |ULTIMATE.start_main_#t~mem20#1.offset| 0)) (not (= |ULTIMATE.start_main_#t~mem20#1.base| 0))) (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_#t~mem20#1.base|) (+ 8 |ULTIMATE.start_main_#t~mem20#1.offset|))))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {17765#(and (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))))} is VALID [2022-02-20 23:54:36,610 INFO L290 TraceCheckUtils]: 37: Hoare triple {17765#(and (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))))} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {17765#(and (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))))} is VALID [2022-02-20 23:54:36,611 INFO L290 TraceCheckUtils]: 38: Hoare triple {17765#(and (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))))} assume main_#t~short22#1;assume -2147483648 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 2147483647;main_#t~short22#1 := 0 != main_#t~nondet21#1; {17765#(and (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))))} is VALID [2022-02-20 23:54:36,611 INFO L290 TraceCheckUtils]: 39: Hoare triple {17765#(and (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))))} assume !!main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {17765#(and (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))))} is VALID [2022-02-20 23:54:36,612 INFO L290 TraceCheckUtils]: 40: Hoare triple {17765#(and (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))))} main_#t~short24#1 := 0 == main_~status~0#1; {17765#(and (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))))} is VALID [2022-02-20 23:54:36,612 INFO L290 TraceCheckUtils]: 41: Hoare triple {17765#(and (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))))} assume !main_#t~short24#1; {17765#(and (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))))} is VALID [2022-02-20 23:54:36,612 INFO L290 TraceCheckUtils]: 42: Hoare triple {17765#(and (<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~item~0#1.offset|) (or (not (= |ULTIMATE.start_main_~item~0#1.offset| 0)) (not (= |ULTIMATE.start_main_~item~0#1.base| 0))))} SUMMARY for call main_#t~mem23#1 := read~int(main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1055-3 {17784#(<= 1 |ULTIMATE.start_main_#t~mem23#1|)} is VALID [2022-02-20 23:54:36,613 INFO L290 TraceCheckUtils]: 43: Hoare triple {17784#(<= 1 |ULTIMATE.start_main_#t~mem23#1|)} main_#t~short24#1 := main_#t~mem23#1 > 0; {17644#|ULTIMATE.start_main_#t~short24#1|} is VALID [2022-02-20 23:54:36,613 INFO L290 TraceCheckUtils]: 44: Hoare triple {17644#|ULTIMATE.start_main_#t~short24#1|} assume !main_#t~short24#1;havoc main_#t~mem23#1;havoc main_#t~short24#1; {17623#false} is VALID [2022-02-20 23:54:36,613 INFO L290 TraceCheckUtils]: 45: Hoare triple {17623#false} assume !false; {17623#false} is VALID [2022-02-20 23:54:36,614 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 23:54:36,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:54:37,056 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 122 treesize of output 88 [2022-02-20 23:54:37,572 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:37,572 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 342 treesize of output 265 [2022-02-20 23:54:37,601 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:37,602 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 371 treesize of output 270 [2022-02-20 23:54:38,316 INFO L290 TraceCheckUtils]: 45: Hoare triple {17623#false} assume !false; {17623#false} is VALID [2022-02-20 23:54:38,317 INFO L290 TraceCheckUtils]: 44: Hoare triple {17644#|ULTIMATE.start_main_#t~short24#1|} assume !main_#t~short24#1;havoc main_#t~mem23#1;havoc main_#t~short24#1; {17623#false} is VALID [2022-02-20 23:54:38,317 INFO L290 TraceCheckUtils]: 43: Hoare triple {17784#(<= 1 |ULTIMATE.start_main_#t~mem23#1|)} main_#t~short24#1 := main_#t~mem23#1 > 0; {17644#|ULTIMATE.start_main_#t~short24#1|} is VALID [2022-02-20 23:54:38,317 INFO L290 TraceCheckUtils]: 42: Hoare triple {17803#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} SUMMARY for call main_#t~mem23#1 := read~int(main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1055-3 {17784#(<= 1 |ULTIMATE.start_main_#t~mem23#1|)} is VALID [2022-02-20 23:54:38,318 INFO L290 TraceCheckUtils]: 41: Hoare triple {17803#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} assume !main_#t~short24#1; {17803#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:54:38,318 INFO L290 TraceCheckUtils]: 40: Hoare triple {17803#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} main_#t~short24#1 := 0 == main_~status~0#1; {17803#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:54:38,318 INFO L290 TraceCheckUtils]: 39: Hoare triple {17803#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} assume !!main_#t~short22#1;havoc main_#t~nondet21#1;havoc main_#t~short22#1; {17803#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:54:38,319 INFO L290 TraceCheckUtils]: 38: Hoare triple {17803#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} assume main_#t~short22#1;assume -2147483648 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 2147483647;main_#t~short22#1 := 0 != main_#t~nondet21#1; {17803#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:54:38,319 INFO L290 TraceCheckUtils]: 37: Hoare triple {17803#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} main_#t~short22#1 := main_~item~0#1.base != 0 || main_~item~0#1.offset != 0; {17803#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:54:38,319 INFO L290 TraceCheckUtils]: 36: Hoare triple {17822#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_#t~mem20#1.base|) (+ 8 |ULTIMATE.start_main_#t~mem20#1.offset|)))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset; {17803#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:54:38,320 INFO L290 TraceCheckUtils]: 35: Hoare triple {17826#(<= 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$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1043 {17822#(<= 1 (select (select |#memory_int| |ULTIMATE.start_main_#t~mem20#1.base|) (+ 8 |ULTIMATE.start_main_#t~mem20#1.offset|)))} is VALID [2022-02-20 23:54:38,320 INFO L290 TraceCheckUtils]: 34: Hoare triple {17826#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)))} assume !(3 == main_~status~0#1); {17826#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)))} is VALID [2022-02-20 23:54:38,321 INFO L290 TraceCheckUtils]: 33: Hoare triple {17826#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)))} assume !(2 == main_~status~0#1); {17826#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)))} is VALID [2022-02-20 23:54:38,321 INFO L290 TraceCheckUtils]: 32: Hoare triple {17826#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)))} goto; {17826#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)))} is VALID [2022-02-20 23:54:38,321 INFO L290 TraceCheckUtils]: 31: Hoare triple {17839#(or (and (= |ULTIMATE.start_main_#t~mem6#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1.base| 0)) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} assume !!(main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0);havoc main_#t~mem6#1.base, main_#t~mem6#1.offset; {17826#(<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8)))} is VALID [2022-02-20 23:54:38,322 INFO L290 TraceCheckUtils]: 30: Hoare triple {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L1035-4 {17839#(or (and (= |ULTIMATE.start_main_#t~mem6#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1.base| 0)) (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))))} is VALID [2022-02-20 23:54:38,322 INFO L290 TraceCheckUtils]: 29: Hoare triple {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:38,323 INFO L290 TraceCheckUtils]: 28: Hoare triple {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:38,323 INFO L290 TraceCheckUtils]: 27: Hoare triple {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume 1 == main_~status~0#1; {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:38,324 INFO L290 TraceCheckUtils]: 26: Hoare triple {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:38,324 INFO L290 TraceCheckUtils]: 25: Hoare triple {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:38,325 INFO L290 TraceCheckUtils]: 24: Hoare triple {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:38,325 INFO L290 TraceCheckUtils]: 23: Hoare triple {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:38,326 INFO L290 TraceCheckUtils]: 22: Hoare triple {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:38,326 INFO L290 TraceCheckUtils]: 21: Hoare triple {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~item~0#1.base != 0 || main_~item~0#1.offset != 0); {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:38,327 INFO L290 TraceCheckUtils]: 20: Hoare triple {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} goto; {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:38,327 INFO L290 TraceCheckUtils]: 19: Hoare triple {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume !!(main_~head~0#1.base != 0 || main_~head~0#1.offset != 0); {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:38,328 INFO L290 TraceCheckUtils]: 18: Hoare triple {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} main_~status~0#1 := 1; {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:38,329 INFO L290 TraceCheckUtils]: 17: Hoare triple {17883#(forall ((v_ArrVal_895 Int) (v_ArrVal_899 Int)) (or (and (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (and (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} SUMMARY for call write~int(1, main_~item~0#1.base, 8 + main_~item~0#1.offset, 4); srcloc: L1013 {17843#(or (<= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 8))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:38,330 INFO L290 TraceCheckUtils]: 16: Hoare triple {17883#(forall ((v_ArrVal_895 Int) (v_ArrVal_899 Int)) (or (and (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (and (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} assume 0 == main_~status~0#1; {17883#(forall ((v_ArrVal_895 Int) (v_ArrVal_899 Int)) (or (and (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (and (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} is VALID [2022-02-20 23:54:38,331 INFO L290 TraceCheckUtils]: 15: Hoare triple {17890#(or (forall ((v_ArrVal_895 Int) (v_ArrVal_899 Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (and (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.base|)))) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)))} SUMMARY for call write~$Pointer$(0, 0, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1009 {17883#(forall ((v_ArrVal_895 Int) (v_ArrVal_899 Int)) (or (and (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (and (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} is VALID [2022-02-20 23:54:38,332 INFO L290 TraceCheckUtils]: 14: Hoare triple {17894#(or (not (<= 0 |ULTIMATE.start_main_#t~mem5#1.offset|)) (forall ((v_ArrVal_895 Int) (v_ArrVal_899 Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base| (store (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base|) |ULTIMATE.start_main_#t~mem5#1.offset| 0) (+ |ULTIMATE.start_main_#t~mem5#1.offset| 8) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem5#1.base| (store (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem5#1.base|) |ULTIMATE.start_main_#t~mem5#1.offset| 0) (+ |ULTIMATE.start_main_#t~mem5#1.offset| 8) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base| (store (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base|) |ULTIMATE.start_main_#t~mem5#1.offset| 0) (+ |ULTIMATE.start_main_#t~mem5#1.offset| 8) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_#t~mem5#1.base|) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem5#1.base| (store (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem5#1.base|) |ULTIMATE.start_main_#t~mem5#1.offset| 0) (+ |ULTIMATE.start_main_#t~mem5#1.offset| 8) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_#t~mem5#1.offset|)))))} main_~item~0#1.base, main_~item~0#1.offset := main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset; {17890#(or (forall ((v_ArrVal_895 Int) (v_ArrVal_899 Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (and (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base| (store (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.offset|) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base| (store (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~item~0#1.base|) |ULTIMATE.start_main_~item~0#1.offset| 0) (+ 8 |ULTIMATE.start_main_~item~0#1.offset|) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~item~0#1.base|)))) (not (<= 0 |ULTIMATE.start_main_~item~0#1.offset|)))} is VALID [2022-02-20 23:54:38,333 INFO L290 TraceCheckUtils]: 13: Hoare triple {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1008 {17894#(or (not (<= 0 |ULTIMATE.start_main_#t~mem5#1.offset|)) (forall ((v_ArrVal_895 Int) (v_ArrVal_899 Int)) (or (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base| (store (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base|) |ULTIMATE.start_main_#t~mem5#1.offset| 0) (+ |ULTIMATE.start_main_#t~mem5#1.offset| 8) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem5#1.base| (store (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem5#1.base|) |ULTIMATE.start_main_#t~mem5#1.offset| 0) (+ |ULTIMATE.start_main_#t~mem5#1.offset| 8) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base| (store (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem5#1.base|) |ULTIMATE.start_main_#t~mem5#1.offset| 0) (+ |ULTIMATE.start_main_#t~mem5#1.offset| 8) v_ArrVal_899)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_#t~mem5#1.base|) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem5#1.base| (store (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem5#1.base|) |ULTIMATE.start_main_#t~mem5#1.offset| 0) (+ |ULTIMATE.start_main_#t~mem5#1.offset| 8) v_ArrVal_895)) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_#t~mem5#1.offset|)))))} is VALID [2022-02-20 23:54:38,334 INFO L290 TraceCheckUtils]: 12: Hoare triple {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:38,334 INFO L290 TraceCheckUtils]: 11: Hoare triple {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, main_#t~mem4#1.base, 4 + main_#t~mem4#1.offset, 4); srcloc: L1007-1 {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:38,335 INFO L290 TraceCheckUtils]: 10: Hoare triple {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1007 {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:38,335 INFO L290 TraceCheckUtils]: 9: Hoare triple {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:38,335 INFO L290 TraceCheckUtils]: 8: Hoare triple {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~item~0#1.offset|) (= |ULTIMATE.start_main_~item~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~item~0#1.base, main_~item~0#1.offset, 4); srcloc: L1006 {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |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 23:54:38,336 INFO L290 TraceCheckUtils]: 7: Hoare triple {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |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(12); {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |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 23:54:38,336 INFO L290 TraceCheckUtils]: 6: Hoare triple {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |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; {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |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 23:54:38,337 INFO L290 TraceCheckUtils]: 5: Hoare triple {17923#(< |ULTIMATE.start_main_~head~0#1.offset| 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; {17898#(and (not (<= 8 |ULTIMATE.start_main_~head~0#1.offset|)) (= |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 23:54:38,337 INFO L290 TraceCheckUtils]: 4: Hoare triple {17923#(< |ULTIMATE.start_main_~head~0#1.offset| 8)} SUMMARY for call write~int(0, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L999 {17923#(< |ULTIMATE.start_main_~head~0#1.offset| 8)} is VALID [2022-02-20 23:54:38,337 INFO L290 TraceCheckUtils]: 3: Hoare triple {17923#(< |ULTIMATE.start_main_~head~0#1.offset| 8)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {17923#(< |ULTIMATE.start_main_~head~0#1.offset| 8)} is VALID [2022-02-20 23:54:38,337 INFO L290 TraceCheckUtils]: 2: Hoare triple {17923#(< |ULTIMATE.start_main_~head~0#1.offset| 8)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {17923#(< |ULTIMATE.start_main_~head~0#1.offset| 8)} is VALID [2022-02-20 23:54:38,338 INFO L290 TraceCheckUtils]: 1: Hoare triple {17622#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem23#1, main_#t~short24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_#t~nondet21#1, main_#t~short22#1, main_#t~mem26#1.base, main_#t~mem26#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(12);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; {17923#(< |ULTIMATE.start_main_~head~0#1.offset| 8)} is VALID [2022-02-20 23:54:38,338 INFO L290 TraceCheckUtils]: 0: Hoare triple {17622#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); {17622#true} is VALID [2022-02-20 23:54:38,338 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 23:54:38,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390313724] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:54:38,338 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:54:38,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 14, 14] total 44 [2022-02-20 23:54:38,338 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230500703] [2022-02-20 23:54:38,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:54:38,339 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 2.977272727272727) internal successors, (131), 44 states have internal predecessors, (131), 0 states have call successors, (0), 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 23:54:38,339 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:38,339 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 44 states, 44 states have (on average 2.977272727272727) internal successors, (131), 44 states have internal predecessors, (131), 0 states have call successors, (0), 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 23:54:38,451 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 131 edges. 131 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:38,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-02-20 23:54:38,452 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:38,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-02-20 23:54:38,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1701, Unknown=0, NotChecked=0, Total=1892 [2022-02-20 23:54:38,452 INFO L87 Difference]: Start difference. First operand 212 states and 230 transitions. Second operand has 44 states, 44 states have (on average 2.977272727272727) internal successors, (131), 44 states have internal predecessors, (131), 0 states have call successors, (0), 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 23:54:44,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:44,873 INFO L93 Difference]: Finished difference Result 344 states and 369 transitions. [2022-02-20 23:54:44,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-20 23:54:44,873 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 2.977272727272727) internal successors, (131), 44 states have internal predecessors, (131), 0 states have call successors, (0), 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 23:54:44,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:44,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 2.977272727272727) internal successors, (131), 44 states have internal predecessors, (131), 0 states have call successors, (0), 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 23:54:44,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 336 transitions. [2022-02-20 23:54:44,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 2.977272727272727) internal successors, (131), 44 states have internal predecessors, (131), 0 states have call successors, (0), 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 23:54:44,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 336 transitions. [2022-02-20 23:54:44,876 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states and 336 transitions. [2022-02-20 23:54:45,161 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 336 edges. 336 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:45,165 INFO L225 Difference]: With dead ends: 344 [2022-02-20 23:54:45,165 INFO L226 Difference]: Without dead ends: 344 [2022-02-20 23:54:45,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1438 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=942, Invalid=5378, Unknown=0, NotChecked=0, Total=6320 [2022-02-20 23:54:45,166 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 1281 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 1408 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 1408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 276 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:45,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1281 Valid, 1405 Invalid, 1877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 1408 Invalid, 0 Unknown, 276 Unchecked, 1.3s Time] [2022-02-20 23:54:45,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2022-02-20 23:54:45,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 211. [2022-02-20 23:54:45,169 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:45,169 INFO L82 GeneralOperation]: Start isEquivalent. First operand 344 states. Second operand has 211 states, 179 states have (on average 1.2737430167597765) internal successors, (228), 210 states have internal predecessors, (228), 0 states have call successors, (0), 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 23:54:45,170 INFO L74 IsIncluded]: Start isIncluded. First operand 344 states. Second operand has 211 states, 179 states have (on average 1.2737430167597765) internal successors, (228), 210 states have internal predecessors, (228), 0 states have call successors, (0), 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 23:54:45,170 INFO L87 Difference]: Start difference. First operand 344 states. Second operand has 211 states, 179 states have (on average 1.2737430167597765) internal successors, (228), 210 states have internal predecessors, (228), 0 states have call successors, (0), 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 23:54:45,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:45,174 INFO L93 Difference]: Finished difference Result 344 states and 369 transitions. [2022-02-20 23:54:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 369 transitions. [2022-02-20 23:54:45,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:45,175 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:45,175 INFO L74 IsIncluded]: Start isIncluded. First operand has 211 states, 179 states have (on average 1.2737430167597765) internal successors, (228), 210 states have internal predecessors, (228), 0 states have call successors, (0), 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 344 states. [2022-02-20 23:54:45,175 INFO L87 Difference]: Start difference. First operand has 211 states, 179 states have (on average 1.2737430167597765) internal successors, (228), 210 states have internal predecessors, (228), 0 states have call successors, (0), 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 344 states. [2022-02-20 23:54:45,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:45,179 INFO L93 Difference]: Finished difference Result 344 states and 369 transitions. [2022-02-20 23:54:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 369 transitions. [2022-02-20 23:54:45,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:45,180 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:45,180 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:45,180 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:45,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 179 states have (on average 1.2737430167597765) internal successors, (228), 210 states have internal predecessors, (228), 0 states have call successors, (0), 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 23:54:45,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 228 transitions. [2022-02-20 23:54:45,182 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 228 transitions. Word has length 46 [2022-02-20 23:54:45,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:45,183 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 228 transitions. [2022-02-20 23:54:45,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 2.977272727272727) internal successors, (131), 44 states have internal predecessors, (131), 0 states have call successors, (0), 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 23:54:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 228 transitions. [2022-02-20 23:54:45,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-02-20 23:54:45,183 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:45,183 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, 1, 1, 1, 1] [2022-02-20 23:54:45,201 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 23:54:45,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:45,400 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:45,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:45,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1102971968, now seen corresponding path program 1 times [2022-02-20 23:54:45,400 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:45,400 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890507338] [2022-02-20 23:54:45,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:45,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:45,450 ERROR L253 erpolLogProxyWrapper]: Interpolant 13 not inductive [2022-02-20 23:54:45,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-20 23:54:45,468 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 23:54:45,471 INFO L158 Benchmark]: Toolchain (without parser) took 53067.42ms. Allocated memory was 107.0MB in the beginning and 220.2MB in the end (delta: 113.2MB). Free memory was 74.8MB in the beginning and 64.4MB in the end (delta: 10.4MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2022-02-20 23:54:45,472 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 23:54:45,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.18ms. Allocated memory is still 107.0MB. Free memory was 74.6MB in the beginning and 70.6MB in the end (delta: 3.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 23:54:45,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.50ms. Allocated memory is still 107.0MB. Free memory was 70.6MB in the beginning and 68.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 23:54:45,472 INFO L158 Benchmark]: Boogie Preprocessor took 44.18ms. Allocated memory is still 107.0MB. Free memory was 68.1MB in the beginning and 65.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 23:54:45,472 INFO L158 Benchmark]: RCFGBuilder took 601.66ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 65.2MB in the beginning and 92.9MB in the end (delta: -27.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-02-20 23:54:45,472 INFO L158 Benchmark]: TraceAbstraction took 52031.66ms. Allocated memory was 134.2MB in the beginning and 220.2MB in the end (delta: 86.0MB). Free memory was 92.2MB in the beginning and 64.4MB in the end (delta: 27.8MB). Peak memory consumption was 112.4MB. Max. memory is 16.1GB. [2022-02-20 23:54:45,473 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 0.15ms. Allocated memory is still 107.0MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.18ms. Allocated memory is still 107.0MB. Free memory was 74.6MB in the beginning and 70.6MB in the end (delta: 3.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.50ms. Allocated memory is still 107.0MB. Free memory was 70.6MB in the beginning and 68.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.18ms. Allocated memory is still 107.0MB. Free memory was 68.1MB in the beginning and 65.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 601.66ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 65.2MB in the beginning and 92.9MB in the end (delta: -27.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * TraceAbstraction took 52031.66ms. Allocated memory was 134.2MB in the beginning and 220.2MB in the end (delta: 86.0MB). Free memory was 92.2MB in the beginning and 64.4MB in the end (delta: 27.8MB). Peak memory consumption was 112.4MB. 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 23:54:45,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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/dll-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 c858394bc83ab2c402eb20052f936c0a6aa98b2b6b6c704be79c039778bcff97 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:54:47,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:54:47,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:54:47,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:54:47,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:54:47,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:54:47,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:54:47,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:54:47,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:54:47,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:54:47,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:54:47,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:54:47,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:54:47,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:54:47,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:54:47,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:54:47,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:54:47,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:54:47,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:54:47,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:54:47,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:54:47,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:54:47,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:54:47,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:54:47,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:54:47,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:54:47,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:54:47,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:54:47,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:54:47,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:54:47,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:54:47,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:54:47,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:54:47,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:54:47,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:54:47,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:54:47,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:54:47,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:54:47,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:54:47,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:54:47,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:54:47,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-02-20 23:54:47,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:54:47,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:54:47,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:54:47,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:54:47,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:54:47,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:54:47,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:54:47,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:54:47,234 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:54:47,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:54:47,235 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:54:47,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:54:47,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:54:47,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:54:47,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:54:47,235 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:54:47,236 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:54:47,236 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:54:47,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:54:47,236 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:54:47,236 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 23:54:47,236 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 23:54:47,236 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:54:47,236 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:54:47,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:54:47,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:54:47,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:54:47,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:54:47,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:54:47,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:54:47,237 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 23:54:47,238 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 23:54:47,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 23:54:47,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c858394bc83ab2c402eb20052f936c0a6aa98b2b6b6c704be79c039778bcff97 [2022-02-20 23:54:47,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:54:47,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:54:47,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:54:47,506 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:54:47,507 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:54:47,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-1.i [2022-02-20 23:54:47,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70ca82f9f/6e479ed7159d4cf8b164124e45813c98/FLAG02f797065 [2022-02-20 23:54:48,014 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:54:48,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-1.i [2022-02-20 23:54:48,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70ca82f9f/6e479ed7159d4cf8b164124e45813c98/FLAG02f797065 [2022-02-20 23:54:48,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70ca82f9f/6e479ed7159d4cf8b164124e45813c98 [2022-02-20 23:54:48,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:54:48,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:54:48,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:54:48,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:54:48,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:54:48,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:54:48" (1/1) ... [2022-02-20 23:54:48,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263aeaa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:48, skipping insertion in model container [2022-02-20 23:54:48,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:54:48" (1/1) ... [2022-02-20 23:54:48,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:54:48,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:54:48,350 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/dll-queue-1.i[22460,22473] [2022-02-20 23:54:48,353 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/dll-queue-1.i[22531,22544] [2022-02-20 23:54:48,354 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/dll-queue-1.i[22605,22618] [2022-02-20 23:54:48,356 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/dll-queue-1.i[22697,22710] [2022-02-20 23:54:48,357 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/dll-queue-1.i[22774,22787] [2022-02-20 23:54:48,358 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/dll-queue-1.i[22869,22882] [2022-02-20 23:54:48,361 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/dll-queue-1.i[22946,22959] [2022-02-20 23:54:48,362 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/dll-queue-1.i[23029,23042] [2022-02-20 23:54:48,364 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/dll-queue-1.i[23124,23137] [2022-02-20 23:54:48,366 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/dll-queue-1.i[23201,23214] [2022-02-20 23:54:48,367 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/dll-queue-1.i[23284,23297] [2022-02-20 23:54:48,368 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/dll-queue-1.i[23373,23386] [2022-02-20 23:54:48,369 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/dll-queue-1.i[23459,23472] [2022-02-20 23:54:48,371 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/dll-queue-1.i[23604,23617] [2022-02-20 23:54:48,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:54:48,393 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:54:48,422 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/dll-queue-1.i[22460,22473] [2022-02-20 23:54:48,428 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/dll-queue-1.i[22531,22544] [2022-02-20 23:54:48,429 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/dll-queue-1.i[22605,22618] [2022-02-20 23:54:48,431 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/dll-queue-1.i[22697,22710] [2022-02-20 23:54:48,432 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/dll-queue-1.i[22774,22787] [2022-02-20 23:54:48,432 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/dll-queue-1.i[22869,22882] [2022-02-20 23:54:48,434 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/dll-queue-1.i[22946,22959] [2022-02-20 23:54:48,435 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/dll-queue-1.i[23029,23042] [2022-02-20 23:54:48,436 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/dll-queue-1.i[23124,23137] [2022-02-20 23:54:48,436 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/dll-queue-1.i[23201,23214] [2022-02-20 23:54:48,437 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/dll-queue-1.i[23284,23297] [2022-02-20 23:54:48,437 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/dll-queue-1.i[23373,23386] [2022-02-20 23:54:48,438 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/dll-queue-1.i[23459,23472] [2022-02-20 23:54:48,439 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/dll-queue-1.i[23604,23617] [2022-02-20 23:54:48,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:54:48,461 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:54:48,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:48 WrapperNode [2022-02-20 23:54:48,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:54:48,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:54:48,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:54:48,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:54:48,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:48" (1/1) ... [2022-02-20 23:54:48,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:48" (1/1) ... [2022-02-20 23:54:48,525 INFO L137 Inliner]: procedures = 122, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 220 [2022-02-20 23:54:48,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:54:48,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:54:48,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:54:48,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:54:48,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:48" (1/1) ... [2022-02-20 23:54:48,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:48" (1/1) ... [2022-02-20 23:54:48,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:48" (1/1) ... [2022-02-20 23:54:48,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:48" (1/1) ... [2022-02-20 23:54:48,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:48" (1/1) ... [2022-02-20 23:54:48,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:48" (1/1) ... [2022-02-20 23:54:48,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:48" (1/1) ... [2022-02-20 23:54:48,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:54:48,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:54:48,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:54:48,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:54:48,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:48" (1/1) ... [2022-02-20 23:54:48,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:54:48,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:48,622 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 23:54:48,634 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 23:54:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-02-20 23:54:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:54:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:54:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:54:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:54:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:54:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-02-20 23:54:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 23:54:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:54:48,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:54:48,771 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:54:48,772 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:54:49,248 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:54:49,254 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:54:49,254 INFO L299 CfgBuilder]: Removed 31 assume(true) statements. [2022-02-20 23:54:49,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:54:49 BoogieIcfgContainer [2022-02-20 23:54:49,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:54:49,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:54:49,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:54:49,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:54:49,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:54:48" (1/3) ... [2022-02-20 23:54:49,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36814283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:54:49, skipping insertion in model container [2022-02-20 23:54:49,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:54:48" (2/3) ... [2022-02-20 23:54:49,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36814283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:54:49, skipping insertion in model container [2022-02-20 23:54:49,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:54:49" (3/3) ... [2022-02-20 23:54:49,263 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-queue-1.i [2022-02-20 23:54:49,267 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:54:49,267 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2022-02-20 23:54:49,293 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:54:49,298 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 23:54:49,298 INFO L340 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2022-02-20 23:54:49,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 101 states have (on average 2.297029702970297) internal successors, (232), 177 states have internal predecessors, (232), 0 states have call successors, (0), 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 23:54:49,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:54:49,324 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:49,324 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:54:49,324 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:49,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:49,332 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2022-02-20 23:54:49,339 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 23:54:49,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811303903] [2022-02-20 23:54:49,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:49,340 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 23:54:49,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 23:54:49,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 23:54:49,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 23:54:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:49,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-20 23:54:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:49,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:49,481 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 23:54:49,497 INFO L290 TraceCheckUtils]: 0: Hoare triple {181#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(14bv32, 2bv32); {181#true} is VALID [2022-02-20 23:54:49,499 INFO L290 TraceCheckUtils]: 1: Hoare triple {181#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet21#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(12bv32);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; {189#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1))} is VALID [2022-02-20 23:54:49,499 INFO L290 TraceCheckUtils]: 2: Hoare triple {189#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1))} assume !(1bv1 == #valid[main_~head~0#1.base]); {182#false} is VALID [2022-02-20 23:54:49,500 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 23:54:49,500 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 23:54:49,500 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 23:54:49,501 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811303903] [2022-02-20 23:54:49,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [811303903] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:49,501 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:49,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:54:49,502 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601456064] [2022-02-20 23:54:49,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:49,506 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 23:54:49,506 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:49,508 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 23:54:49,512 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 23:54:49,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:54:49,512 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 23:54:49,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:54:49,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:54:49,535 INFO L87 Difference]: Start difference. First operand has 178 states, 101 states have (on average 2.297029702970297) internal successors, (232), 177 states have internal predecessors, (232), 0 states have call successors, (0), 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 23:54:50,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:50,077 INFO L93 Difference]: Finished difference Result 175 states and 184 transitions. [2022-02-20 23:54:50,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:54:50,077 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 23:54:50,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:50,078 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 23:54:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2022-02-20 23:54:50,094 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 23:54:50,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2022-02-20 23:54:50,098 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 242 transitions. [2022-02-20 23:54:50,303 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 242 edges. 242 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:50,312 INFO L225 Difference]: With dead ends: 175 [2022-02-20 23:54:50,312 INFO L226 Difference]: Without dead ends: 171 [2022-02-20 23:54:50,313 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 23:54:50,315 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 165 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:50,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 108 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:54:50,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-02-20 23:54:50,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167. [2022-02-20 23:54:50,337 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:50,338 INFO L82 GeneralOperation]: Start isEquivalent. First operand 171 states. Second operand has 167 states, 102 states have (on average 1.7450980392156863) internal successors, (178), 166 states have internal predecessors, (178), 0 states have call successors, (0), 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 23:54:50,339 INFO L74 IsIncluded]: Start isIncluded. First operand 171 states. Second operand has 167 states, 102 states have (on average 1.7450980392156863) internal successors, (178), 166 states have internal predecessors, (178), 0 states have call successors, (0), 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 23:54:50,339 INFO L87 Difference]: Start difference. First operand 171 states. Second operand has 167 states, 102 states have (on average 1.7450980392156863) internal successors, (178), 166 states have internal predecessors, (178), 0 states have call successors, (0), 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 23:54:50,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:50,345 INFO L93 Difference]: Finished difference Result 171 states and 180 transitions. [2022-02-20 23:54:50,345 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 180 transitions. [2022-02-20 23:54:50,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:50,346 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:50,346 INFO L74 IsIncluded]: Start isIncluded. First operand has 167 states, 102 states have (on average 1.7450980392156863) internal successors, (178), 166 states have internal predecessors, (178), 0 states have call successors, (0), 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 171 states. [2022-02-20 23:54:50,347 INFO L87 Difference]: Start difference. First operand has 167 states, 102 states have (on average 1.7450980392156863) internal successors, (178), 166 states have internal predecessors, (178), 0 states have call successors, (0), 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 171 states. [2022-02-20 23:54:50,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:50,352 INFO L93 Difference]: Finished difference Result 171 states and 180 transitions. [2022-02-20 23:54:50,352 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 180 transitions. [2022-02-20 23:54:50,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:50,353 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:50,353 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:50,353 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:50,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 102 states have (on average 1.7450980392156863) internal successors, (178), 166 states have internal predecessors, (178), 0 states have call successors, (0), 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 23:54:50,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 178 transitions. [2022-02-20 23:54:50,361 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 178 transitions. Word has length 3 [2022-02-20 23:54:50,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:50,361 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 178 transitions. [2022-02-20 23:54:50,362 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 23:54:50,362 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 178 transitions. [2022-02-20 23:54:50,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:54:50,362 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:50,362 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:54:50,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-02-20 23:54:50,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 23:54:50,569 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:50,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:50,570 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-02-20 23:54:50,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 23:54:50,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303400567] [2022-02-20 23:54:50,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:50,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 23:54:50,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 23:54:50,600 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 23:54:50,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-02-20 23:54:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:50,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-20 23:54:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:50,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:50,669 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 23:54:50,679 INFO L290 TraceCheckUtils]: 0: Hoare triple {876#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(14bv32, 2bv32); {876#true} is VALID [2022-02-20 23:54:50,680 INFO L290 TraceCheckUtils]: 1: Hoare triple {876#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet21#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(12bv32);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; {884#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (_ bv12 32)) (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 23:54:50,680 INFO L290 TraceCheckUtils]: 2: Hoare triple {884#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) (_ bv12 32)) (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|))} assume !((~bvule32(~bvadd32(4bv32, main_~head~0#1.offset), #length[main_~head~0#1.base]) && ~bvule32(main_~head~0#1.offset, ~bvadd32(4bv32, main_~head~0#1.offset))) && ~bvule32(0bv32, main_~head~0#1.offset)); {877#false} is VALID [2022-02-20 23:54:50,681 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 23:54:50,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 23:54:50,681 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 23:54:50,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [303400567] [2022-02-20 23:54:50,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [303400567] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:50,683 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:50,683 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:54:50,683 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617043033] [2022-02-20 23:54:50,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:50,684 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 23:54:50,684 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:50,684 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 23:54:50,688 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 23:54:50,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:54:50,688 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 23:54:50,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:54:50,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:54:50,689 INFO L87 Difference]: Start difference. First operand 167 states and 178 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 23:54:51,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:51,099 INFO L93 Difference]: Finished difference Result 160 states and 169 transitions. [2022-02-20 23:54:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:54:51,099 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 23:54:51,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:51,099 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 23:54:51,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2022-02-20 23:54:51,101 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 23:54:51,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2022-02-20 23:54:51,104 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 181 transitions. [2022-02-20 23:54:51,270 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 181 edges. 181 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:51,272 INFO L225 Difference]: With dead ends: 160 [2022-02-20 23:54:51,272 INFO L226 Difference]: Without dead ends: 160 [2022-02-20 23:54:51,273 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 23:54:51,273 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 151 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:51,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 111 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:54:51,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-02-20 23:54:51,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 156. [2022-02-20 23:54:51,278 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:51,278 INFO L82 GeneralOperation]: Start isEquivalent. First operand 160 states. Second operand has 156 states, 102 states have (on average 1.6274509803921569) internal successors, (166), 155 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 23:54:51,278 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand has 156 states, 102 states have (on average 1.6274509803921569) internal successors, (166), 155 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 23:54:51,279 INFO L87 Difference]: Start difference. First operand 160 states. Second operand has 156 states, 102 states have (on average 1.6274509803921569) internal successors, (166), 155 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 23:54:51,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:51,283 INFO L93 Difference]: Finished difference Result 160 states and 169 transitions. [2022-02-20 23:54:51,284 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 169 transitions. [2022-02-20 23:54:51,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:51,284 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:51,285 INFO L74 IsIncluded]: Start isIncluded. First operand has 156 states, 102 states have (on average 1.6274509803921569) internal successors, (166), 155 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 160 states. [2022-02-20 23:54:51,285 INFO L87 Difference]: Start difference. First operand has 156 states, 102 states have (on average 1.6274509803921569) internal successors, (166), 155 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 160 states. [2022-02-20 23:54:51,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:51,289 INFO L93 Difference]: Finished difference Result 160 states and 169 transitions. [2022-02-20 23:54:51,289 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 169 transitions. [2022-02-20 23:54:51,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:51,290 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:51,290 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:51,290 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:51,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 102 states have (on average 1.6274509803921569) internal successors, (166), 155 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 23:54:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 166 transitions. [2022-02-20 23:54:51,293 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 166 transitions. Word has length 3 [2022-02-20 23:54:51,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:51,293 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 166 transitions. [2022-02-20 23:54:51,294 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 23:54:51,294 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 166 transitions. [2022-02-20 23:54:51,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:54:51,294 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:51,294 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:54:51,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-02-20 23:54:51,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 23:54:51,502 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 72 more)] === [2022-02-20 23:54:51,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:51,503 INFO L85 PathProgramCache]: Analyzing trace with hash 59261803, now seen corresponding path program 1 times [2022-02-20 23:54:51,503 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 23:54:51,503 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1400142938] [2022-02-20 23:54:51,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:51,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 23:54:51,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 23:54:51,505 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 23:54:51,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-02-20 23:54:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:51,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-20 23:54:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:51,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:51,577 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 23:54:51,623 INFO L356 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2022-02-20 23:54:51,626 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 17 [2022-02-20 23:54:51,642 INFO L290 TraceCheckUtils]: 0: Hoare triple {1523#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(14bv32, 2bv32); {1523#true} is VALID [2022-02-20 23:54:51,644 INFO L290 TraceCheckUtils]: 1: Hoare triple {1523#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~mem5#1.base, main_#t~mem5#1.offset, main_#t~nondet2#1, 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.base, main_#t~mem18#1.offset, main_#t~mem19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem22#1, main_#t~short23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~nondet21#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(12bv32);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; {1531#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1))} is VALID [2022-02-20 23:54:51,644 INFO L290 TraceCheckUtils]: 2: Hoare triple {1531#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1))} SUMMARY for call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, main_~head~0#1.offset, 4bv32); srcloc: L998 {1531#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1))} is VALID [2022-02-20 23:54:51,645 INFO L290 TraceCheckUtils]: 3: Hoare triple {1531#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1))} SUMMARY for call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, ~bvadd32(4bv32, main_~head~0#1.offset), 4bv32); srcloc: L998-1 {1531#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1))} is VALID [2022-02-20 23:54:51,646 INFO L290 TraceCheckUtils]: 4: Hoare triple {1531#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1))} SUMMARY for call write~intINTTYPE4(0bv32, main_~head~0#1.base, ~bvadd32(8bv32, main_~head~0#1.offset), 4bv32); srcloc: L999 {1531#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1))} is VALID [2022-02-20 23:54:51,646 INFO L290 TraceCheckUtils]: 5: Hoare triple {1531#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 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 := 0bv32; {1544#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) (_ bv1 1))} is VALID [2022-02-20 23:54:51,647 INFO L290 TraceCheckUtils]: 6: Hoare triple {1544#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) (_ bv1 1))} assume !!(0bv32 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12bv32); {1544#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) (_ bv1 1))} is VALID [2022-02-20 23:54:51,647 INFO L290 TraceCheckUtils]: 7: Hoare triple {1544#(= (select |#valid| |ULTIMATE.start_main_~item~0#1.base|) (_ bv1 1))} assume !(1bv1 == #valid[main_~item~0#1.base]); {1524#false} is VALID [2022-02-20 23:54:51,651 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 23:54:51,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 23:54:51,651 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 23:54:51,652 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1400142938] [2022-02-20 23:54:51,652 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1400142938] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:51,652 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:51,652 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:54:51,652 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882268714] [2022-02-20 23:54:51,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:51,653 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 23:54:51,653 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:51,653 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 23:54:51,661 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 23:54:51,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:54:51,662 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 23:54:51,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:54:51,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:54:51,663 INFO L87 Difference]: Start difference. First operand 156 states and 166 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 23:54:52,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:52,125 INFO L93 Difference]: Finished difference Result 165 states and 174 transitions. [2022-02-20 23:54:52,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:54:52,125 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 23:54:52,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:52,126 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 23:54:52,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2022-02-20 23:54:52,127 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 23:54:52,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2022-02-20 23:54:52,129 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 182 transitions. [2022-02-20 23:54:52,283 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 182 edges. 182 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:52,285 INFO L225 Difference]: With dead ends: 165 [2022-02-20 23:54:52,285 INFO L226 Difference]: Without dead ends: 165 [2022-02-20 23:54:52,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 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 23:54:52,286 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 268 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:52,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 110 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:54:52,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-02-20 23:54:52,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 157. [2022-02-20 23:54:52,290 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:52,291 INFO L82 GeneralOperation]: Start isEquivalent. First operand 165 states. Second operand has 157 states, 109 states have (on average 1.5688073394495412) internal successors, (171), 156 states have internal predecessors, (171), 0 states have call successors, (0), 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 23:54:52,291 INFO L74 IsIncluded]: Start isIncluded. First operand 165 states. Second operand has 157 states, 109 states have (on average 1.5688073394495412) internal successors, (171), 156 states have internal predecessors, (171), 0 states have call successors, (0), 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 23:54:52,291 INFO L87 Difference]: Start difference. First operand 165 states. Second operand has 157 states, 109 states have (on average 1.5688073394495412) internal successors, (171), 156 states have internal predecessors, (171), 0 states have call successors, (0), 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 23:54:52,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:52,294 INFO L93 Difference]: Finished difference Result 165 states and 174 transitions. [2022-02-20 23:54:52,294 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 174 transitions. [2022-02-20 23:54:52,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:52,294 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:52,295 INFO L74 IsIncluded]: Start isIncluded. First operand has 157 states, 109 states have (on average 1.5688073394495412) internal successors, (171), 156 states have internal predecessors, (171), 0 states have call successors, (0), 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 23:54:52,295 INFO L87 Difference]: Start difference. First operand has 157 states, 109 states have (on average 1.5688073394495412) internal successors, (171), 156 states have internal predecessors, (171), 0 states have call successors, (0), 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 23:54:52,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:52,298 INFO L93 Difference]: Finished difference Result 165 states and 174 transitions. [2022-02-20 23:54:52,298 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 174 transitions. [2022-02-20 23:54:52,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:52,298 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:52,299 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:52,299 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 109 states have (on average 1.5688073394495412) internal successors, (171), 156 states have internal predecessors, (171), 0 states have call successors, (0), 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 23:54:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 171 transitions. [2022-02-20 23:54:52,302 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 171 transitions. Word has length 8 [2022-02-20 23:54:52,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:52,302 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 171 transitions. [2022-02-20 23:54:52,302 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 23:54:52,302 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 171 transitions. [2022-02-20 23:54:52,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:54:52,303 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:52,303 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:54:52,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0