./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-optional-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-optional-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 1c592bb1d39faa1e5f3d20603a8bfbb8fe6cff4de59ea35fafbddd50b8917b41 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:53:51,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:53:51,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:53:51,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:53:51,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:53:51,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:53:51,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:53:51,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:53:51,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:53:51,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:53:51,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:53:51,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:53:51,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:53:51,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:53:51,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:53:51,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:53:51,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:53:51,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:53:51,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:53:51,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:53:51,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:53:51,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:53:51,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:53:51,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:53:51,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:53:51,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:53:51,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:53:51,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:53:51,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:53:51,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:53:51,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:53:51,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:53:51,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:53:51,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:53:51,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:53:51,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:53:51,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:53:51,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:53:51,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:53:51,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:53:51,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:53:51,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:53:51,692 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:53:51,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:53:51,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:53:51,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:53:51,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:53:51,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:53:51,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:53:51,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:53:51,694 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:53:51,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:53:51,694 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:53:51,695 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:53:51,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:53:51,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:53:51,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:53:51,695 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:53:51,695 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:53:51,695 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:53:51,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:53:51,696 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:53:51,696 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:53:51,696 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:53:51,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:53:51,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:53:51,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:53:51,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:53:51,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:53:51,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:53:51,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:53:51,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:53:51,697 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c592bb1d39faa1e5f3d20603a8bfbb8fe6cff4de59ea35fafbddd50b8917b41 [2022-02-20 23:53:51,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:53:51,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:53:51,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:53:51,895 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:53:51,895 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:53:51,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-1.i [2022-02-20 23:53:51,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae35dd0e7/1fb5c87990a648eabe30f7ed70c41f53/FLAG3631e8cd8 [2022-02-20 23:53:52,353 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:53:52,353 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-1.i [2022-02-20 23:53:52,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae35dd0e7/1fb5c87990a648eabe30f7ed70c41f53/FLAG3631e8cd8 [2022-02-20 23:53:52,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae35dd0e7/1fb5c87990a648eabe30f7ed70c41f53 [2022-02-20 23:53:52,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:53:52,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:53:52,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:53:52,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:53:52,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:53:52,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:53:52" (1/1) ... [2022-02-20 23:53:52,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c96d0df 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 23:53:52,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:53:52" (1/1) ... [2022-02-20 23:53:52,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:53:52,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:53:52,691 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-optional-1.i[22753,22766] [2022-02-20 23:53:52,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:53:52,702 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:53:52,753 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-optional-1.i[22753,22766] [2022-02-20 23:53:52,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:53:52,785 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:53:52,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:53:52 WrapperNode [2022-02-20 23:53:52,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:53:52,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:53:52,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:53:52,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:53:52,794 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 23:53:52,822 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 23:53:52,845 INFO L137 Inliner]: procedures = 119, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 140 [2022-02-20 23:53:52,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:53:52,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:53:52,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:53:52,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:53:52,854 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 23:53:52,854 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 23:53:52,856 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 23:53:52,857 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 23:53:52,866 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 23:53:52,880 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 23:53:52,881 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 23:53:52,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:53:52,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:53:52,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:53:52,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:53:52,885 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 23:53:52,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:53:52,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:53:52,933 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 23:53:52,937 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 23:53:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 23:53:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 23:53:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:53:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:53:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:53:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:53:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:53:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:53:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:53:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:53:53,030 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:53:53,031 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:53:53,478 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:53:53,484 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:53:53,484 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-02-20 23:53:53,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:53:53 BoogieIcfgContainer [2022-02-20 23:53:53,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:53:53,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:53:53,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:53:53,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:53:53,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:53:52" (1/3) ... [2022-02-20 23:53:53,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad27dff 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 23:53:53,490 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 23:53:53,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad27dff 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 23:53:53,490 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 23:53:53,491 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-optional-1.i [2022-02-20 23:53:53,494 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:53:53,494 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2022-02-20 23:53:53,522 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:53:53,526 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 23:53:53,526 INFO L340 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2022-02-20 23:53:53,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 80 states have (on average 2.1125) internal successors, (169), 152 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:53,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:53:53,543 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:53,544 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:53:53,544 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:53:53,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:53,551 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2022-02-20 23:53:53,557 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:53,558 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509026834] [2022-02-20 23:53:53,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:53,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:53,666 INFO L290 TraceCheckUtils]: 0: Hoare triple {156#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(17, 2); {156#true} is VALID [2022-02-20 23:53:53,668 INFO L290 TraceCheckUtils]: 1: Hoare triple {156#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {158#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:53,669 INFO L290 TraceCheckUtils]: 2: Hoare triple {158#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(1 == #valid[main_~head~0#1.base]); {157#false} is VALID [2022-02-20 23:53:53,670 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 23:53:53,670 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:53,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509026834] [2022-02-20 23:53:53,671 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509026834] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:53,671 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:53,671 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:53:53,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855977628] [2022-02-20 23:53:53,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:53,678 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 23:53:53,679 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:53,681 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 23:53:53,686 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 23:53:53,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:53:53,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:53,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:53:53,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:53:53,710 INFO L87 Difference]: Start difference. First operand has 153 states, 80 states have (on average 2.1125) internal successors, (169), 152 states have internal predecessors, (169), 0 states have call successors, (0), 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 23:53:53,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:53,972 INFO L93 Difference]: Finished difference Result 154 states and 164 transitions. [2022-02-20 23:53:53,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:53:53,973 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 23:53:53,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:53,974 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 23:53:53,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 182 transitions. [2022-02-20 23:53:53,980 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 23:53:53,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 182 transitions. [2022-02-20 23:53:53,983 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 182 transitions. [2022-02-20 23:53:54,130 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 23:53:54,145 INFO L225 Difference]: With dead ends: 154 [2022-02-20 23:53:54,145 INFO L226 Difference]: Without dead ends: 150 [2022-02-20 23:53:54,146 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 23:53:54,149 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 137 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:54,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 87 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:53:54,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-02-20 23:53:54,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 144. [2022-02-20 23:53:54,172 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:54,174 INFO L82 GeneralOperation]: Start isEquivalent. First operand 150 states. Second operand has 144 states, 82 states have (on average 1.9024390243902438) internal successors, (156), 143 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:54,175 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand has 144 states, 82 states have (on average 1.9024390243902438) internal successors, (156), 143 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:54,175 INFO L87 Difference]: Start difference. First operand 150 states. Second operand has 144 states, 82 states have (on average 1.9024390243902438) internal successors, (156), 143 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:54,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:54,182 INFO L93 Difference]: Finished difference Result 150 states and 160 transitions. [2022-02-20 23:53:54,182 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 160 transitions. [2022-02-20 23:53:54,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:54,183 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:54,183 INFO L74 IsIncluded]: Start isIncluded. First operand has 144 states, 82 states have (on average 1.9024390243902438) internal successors, (156), 143 states have internal predecessors, (156), 0 states have call successors, (0), 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 150 states. [2022-02-20 23:53:54,184 INFO L87 Difference]: Start difference. First operand has 144 states, 82 states have (on average 1.9024390243902438) internal successors, (156), 143 states have internal predecessors, (156), 0 states have call successors, (0), 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 150 states. [2022-02-20 23:53:54,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:54,189 INFO L93 Difference]: Finished difference Result 150 states and 160 transitions. [2022-02-20 23:53:54,189 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 160 transitions. [2022-02-20 23:53:54,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:54,190 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:54,191 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:54,191 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:54,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 82 states have (on average 1.9024390243902438) internal successors, (156), 143 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:54,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 156 transitions. [2022-02-20 23:53:54,196 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 156 transitions. Word has length 3 [2022-02-20 23:53:54,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:54,197 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 156 transitions. [2022-02-20 23:53:54,197 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 23:53:54,197 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 156 transitions. [2022-02-20 23:53:54,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:53:54,197 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:54,198 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:53:54,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 23:53:54,198 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:53:54,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:54,199 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-02-20 23:53:54,199 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:54,199 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500502383] [2022-02-20 23:53:54,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:54,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:54,242 INFO L290 TraceCheckUtils]: 0: Hoare triple {759#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(17, 2); {759#true} is VALID [2022-02-20 23:53:54,243 INFO L290 TraceCheckUtils]: 1: Hoare triple {759#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {761#(and (<= 16 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:53:54,244 INFO L290 TraceCheckUtils]: 2: Hoare triple {761#(and (<= 16 (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); {760#false} is VALID [2022-02-20 23:53:54,244 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 23:53:54,245 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:54,245 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500502383] [2022-02-20 23:53:54,245 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500502383] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:54,245 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:54,245 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:53:54,246 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115019191] [2022-02-20 23:53:54,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:54,247 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 23:53:54,247 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:54,247 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 23:53:54,250 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 23:53:54,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:53:54,251 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:54,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:53:54,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:53:54,252 INFO L87 Difference]: Start difference. First operand 144 states and 156 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 23:53:54,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:54,461 INFO L93 Difference]: Finished difference Result 139 states and 151 transitions. [2022-02-20 23:53:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:53:54,461 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 23:53:54,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:54,462 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 23:53:54,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2022-02-20 23:53:54,464 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 23:53:54,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2022-02-20 23:53:54,465 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 155 transitions. [2022-02-20 23:53:54,586 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 155 edges. 155 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:54,588 INFO L225 Difference]: With dead ends: 139 [2022-02-20 23:53:54,588 INFO L226 Difference]: Without dead ends: 139 [2022-02-20 23:53:54,588 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 23:53:54,589 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 113 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:54,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 100 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:53:54,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-02-20 23:53:54,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2022-02-20 23:53:54,594 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:54,594 INFO L82 GeneralOperation]: Start isEquivalent. First operand 139 states. Second operand has 135 states, 82 states have (on average 1.7926829268292683) internal successors, (147), 134 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:54,594 INFO L74 IsIncluded]: Start isIncluded. First operand 139 states. Second operand has 135 states, 82 states have (on average 1.7926829268292683) internal successors, (147), 134 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:54,594 INFO L87 Difference]: Start difference. First operand 139 states. Second operand has 135 states, 82 states have (on average 1.7926829268292683) internal successors, (147), 134 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:54,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:54,619 INFO L93 Difference]: Finished difference Result 139 states and 151 transitions. [2022-02-20 23:53:54,619 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 151 transitions. [2022-02-20 23:53:54,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:54,624 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:54,624 INFO L74 IsIncluded]: Start isIncluded. First operand has 135 states, 82 states have (on average 1.7926829268292683) internal successors, (147), 134 states have internal predecessors, (147), 0 states have call successors, (0), 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 139 states. [2022-02-20 23:53:54,625 INFO L87 Difference]: Start difference. First operand has 135 states, 82 states have (on average 1.7926829268292683) internal successors, (147), 134 states have internal predecessors, (147), 0 states have call successors, (0), 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 139 states. [2022-02-20 23:53:54,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:54,630 INFO L93 Difference]: Finished difference Result 139 states and 151 transitions. [2022-02-20 23:53:54,630 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 151 transitions. [2022-02-20 23:53:54,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:54,632 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:54,633 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:54,633 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:54,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 82 states have (on average 1.7926829268292683) internal successors, (147), 134 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:54,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 147 transitions. [2022-02-20 23:53:54,636 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 147 transitions. Word has length 3 [2022-02-20 23:53:54,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:54,637 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 147 transitions. [2022-02-20 23:53:54,637 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 23:53:54,637 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 147 transitions. [2022-02-20 23:53:54,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 23:53:54,638 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:54,638 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:54,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 23:53:54,638 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:53:54,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:54,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1483656077, now seen corresponding path program 1 times [2022-02-20 23:53:54,639 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:54,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083475743] [2022-02-20 23:53:54,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:54,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:54,789 INFO L290 TraceCheckUtils]: 0: Hoare triple {1316#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(17, 2); {1316#true} is VALID [2022-02-20 23:53:54,789 INFO L290 TraceCheckUtils]: 1: Hoare triple {1316#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {1316#true} is VALID [2022-02-20 23:53:54,790 INFO L290 TraceCheckUtils]: 2: Hoare triple {1316#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {1316#true} is VALID [2022-02-20 23:53:54,790 INFO L290 TraceCheckUtils]: 3: Hoare triple {1316#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {1316#true} is VALID [2022-02-20 23:53:54,790 INFO L290 TraceCheckUtils]: 4: Hoare triple {1316#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1316#true} is VALID [2022-02-20 23:53:54,790 INFO L290 TraceCheckUtils]: 5: Hoare triple {1316#true} assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; {1316#true} is VALID [2022-02-20 23:53:54,790 INFO L290 TraceCheckUtils]: 6: Hoare triple {1316#true} SUMMARY for call write~int(2, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-1 {1316#true} is VALID [2022-02-20 23:53:54,791 INFO L290 TraceCheckUtils]: 7: Hoare triple {1316#true} call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(16); {1318#(= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1)} is VALID [2022-02-20 23:53:54,792 INFO L290 TraceCheckUtils]: 8: Hoare triple {1318#(= (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_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-3 {1319#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1)} is VALID [2022-02-20 23:53:54,792 INFO L290 TraceCheckUtils]: 9: Hoare triple {1319#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1)} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {1319#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1)} is VALID [2022-02-20 23:53:54,793 INFO L290 TraceCheckUtils]: 10: Hoare triple {1319#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1)} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-5 {1320#(= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1)} is VALID [2022-02-20 23:53:54,793 INFO L290 TraceCheckUtils]: 11: Hoare triple {1320#(= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1)} assume !(1 == #valid[main_#t~mem4#1.base]); {1317#false} is VALID [2022-02-20 23:53:54,794 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 23:53:54,794 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:54,794 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083475743] [2022-02-20 23:53:54,794 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083475743] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:54,794 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:54,794 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:53:54,795 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787740081] [2022-02-20 23:53:54,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:54,795 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 23:53:54,795 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:54,795 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 23:53:54,813 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 23:53:54,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:53:54,814 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:54,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:53:54,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:53:54,814 INFO L87 Difference]: Start difference. First operand 135 states and 147 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 23:53:55,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:55,369 INFO L93 Difference]: Finished difference Result 179 states and 196 transitions. [2022-02-20 23:53:55,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:53:55,369 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 23:53:55,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:55,370 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 23:53:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 192 transitions. [2022-02-20 23:53:55,379 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 23:53:55,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 192 transitions. [2022-02-20 23:53:55,381 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 192 transitions. [2022-02-20 23:53:55,535 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 192 edges. 192 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:55,538 INFO L225 Difference]: With dead ends: 179 [2022-02-20 23:53:55,538 INFO L226 Difference]: Without dead ends: 179 [2022-02-20 23:53:55,538 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 23:53:55,544 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 51 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:55,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 330 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:53:55,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-02-20 23:53:55,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 134. [2022-02-20 23:53:55,561 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:55,561 INFO L82 GeneralOperation]: Start isEquivalent. First operand 179 states. Second operand has 134 states, 82 states have (on average 1.7804878048780488) internal successors, (146), 133 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:55,562 INFO L74 IsIncluded]: Start isIncluded. First operand 179 states. Second operand has 134 states, 82 states have (on average 1.7804878048780488) internal successors, (146), 133 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:55,562 INFO L87 Difference]: Start difference. First operand 179 states. Second operand has 134 states, 82 states have (on average 1.7804878048780488) internal successors, (146), 133 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:55,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:55,565 INFO L93 Difference]: Finished difference Result 179 states and 196 transitions. [2022-02-20 23:53:55,566 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 196 transitions. [2022-02-20 23:53:55,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:55,568 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:55,569 INFO L74 IsIncluded]: Start isIncluded. First operand has 134 states, 82 states have (on average 1.7804878048780488) internal successors, (146), 133 states have internal predecessors, (146), 0 states have call successors, (0), 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 179 states. [2022-02-20 23:53:55,569 INFO L87 Difference]: Start difference. First operand has 134 states, 82 states have (on average 1.7804878048780488) internal successors, (146), 133 states have internal predecessors, (146), 0 states have call successors, (0), 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 179 states. [2022-02-20 23:53:55,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:55,574 INFO L93 Difference]: Finished difference Result 179 states and 196 transitions. [2022-02-20 23:53:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 196 transitions. [2022-02-20 23:53:55,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:55,576 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:55,576 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:55,581 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 82 states have (on average 1.7804878048780488) internal successors, (146), 133 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:55,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 146 transitions. [2022-02-20 23:53:55,585 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 146 transitions. Word has length 12 [2022-02-20 23:53:55,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:55,585 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 146 transitions. [2022-02-20 23:53:55,586 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 23:53:55,586 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 146 transitions. [2022-02-20 23:53:55,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 23:53:55,586 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:55,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:55,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 23:53:55,587 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:53:55,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:55,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1483656076, now seen corresponding path program 1 times [2022-02-20 23:53:55,587 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:55,587 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222285989] [2022-02-20 23:53:55,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:55,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:55,696 INFO L290 TraceCheckUtils]: 0: Hoare triple {1998#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(17, 2); {1998#true} is VALID [2022-02-20 23:53:55,697 INFO L290 TraceCheckUtils]: 1: Hoare triple {1998#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {1998#true} is VALID [2022-02-20 23:53:55,697 INFO L290 TraceCheckUtils]: 2: Hoare triple {1998#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {1998#true} is VALID [2022-02-20 23:53:55,697 INFO L290 TraceCheckUtils]: 3: Hoare triple {1998#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {1998#true} is VALID [2022-02-20 23:53:55,697 INFO L290 TraceCheckUtils]: 4: Hoare triple {1998#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1998#true} is VALID [2022-02-20 23:53:55,697 INFO L290 TraceCheckUtils]: 5: Hoare triple {1998#true} assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; {1998#true} is VALID [2022-02-20 23:53:55,697 INFO L290 TraceCheckUtils]: 6: Hoare triple {1998#true} SUMMARY for call write~int(2, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-1 {1998#true} is VALID [2022-02-20 23:53:55,699 INFO L290 TraceCheckUtils]: 7: Hoare triple {1998#true} call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(16); {2000#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= 16 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)))} is VALID [2022-02-20 23:53:55,700 INFO L290 TraceCheckUtils]: 8: Hoare triple {2000#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= 16 (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_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-3 {2001#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 16))} is VALID [2022-02-20 23:53:55,700 INFO L290 TraceCheckUtils]: 9: Hoare triple {2001#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 16))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2001#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 16))} is VALID [2022-02-20 23:53:55,701 INFO L290 TraceCheckUtils]: 10: Hoare triple {2001#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 16))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-5 {2002#(and (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (= (+ (- 16) (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)) 0))} is VALID [2022-02-20 23:53:55,701 INFO L290 TraceCheckUtils]: 11: Hoare triple {2002#(and (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (= (+ (- 16) (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)) 0))} assume !(4 + main_#t~mem4#1.offset <= #length[main_#t~mem4#1.base] && 0 <= main_#t~mem4#1.offset); {1999#false} is VALID [2022-02-20 23:53:55,701 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 23:53:55,702 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:55,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222285989] [2022-02-20 23:53:55,702 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222285989] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:55,702 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:55,702 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:53:55,702 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769403241] [2022-02-20 23:53:55,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:55,703 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 23:53:55,703 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:55,703 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 23:53:55,712 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 23:53:55,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:53:55,712 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:55,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:53:55,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:53:55,713 INFO L87 Difference]: Start difference. First operand 134 states and 146 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 23:53:56,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:56,114 INFO L93 Difference]: Finished difference Result 133 states and 145 transitions. [2022-02-20 23:53:56,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:53:56,114 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 23:53:56,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:56,114 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 23:53:56,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 141 transitions. [2022-02-20 23:53:56,115 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 23:53:56,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 141 transitions. [2022-02-20 23:53:56,116 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 141 transitions. [2022-02-20 23:53:56,204 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 23:53:56,205 INFO L225 Difference]: With dead ends: 133 [2022-02-20 23:53:56,205 INFO L226 Difference]: Without dead ends: 133 [2022-02-20 23:53:56,205 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 23:53:56,206 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 2 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:56,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 366 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:53:56,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-02-20 23:53:56,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2022-02-20 23:53:56,209 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:56,209 INFO L82 GeneralOperation]: Start isEquivalent. First operand 133 states. Second operand has 133 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 132 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:56,209 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand has 133 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 132 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:56,210 INFO L87 Difference]: Start difference. First operand 133 states. Second operand has 133 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 132 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:56,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:56,212 INFO L93 Difference]: Finished difference Result 133 states and 145 transitions. [2022-02-20 23:53:56,212 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2022-02-20 23:53:56,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:56,213 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:56,213 INFO L74 IsIncluded]: Start isIncluded. First operand has 133 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 132 states have internal predecessors, (145), 0 states have call successors, (0), 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 133 states. [2022-02-20 23:53:56,213 INFO L87 Difference]: Start difference. First operand has 133 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 132 states have internal predecessors, (145), 0 states have call successors, (0), 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 133 states. [2022-02-20 23:53:56,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:56,215 INFO L93 Difference]: Finished difference Result 133 states and 145 transitions. [2022-02-20 23:53:56,216 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2022-02-20 23:53:56,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:56,216 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:56,216 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:56,216 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:56,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 82 states have (on average 1.7682926829268293) internal successors, (145), 132 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:56,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 145 transitions. [2022-02-20 23:53:56,219 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 145 transitions. Word has length 12 [2022-02-20 23:53:56,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:56,219 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 145 transitions. [2022-02-20 23:53:56,219 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 23:53:56,219 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2022-02-20 23:53:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-02-20 23:53:56,220 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:56,220 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:56,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 23:53:56,220 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:53:56,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:56,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1002115696, now seen corresponding path program 1 times [2022-02-20 23:53:56,221 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:56,221 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782613979] [2022-02-20 23:53:56,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:56,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:56,274 INFO L290 TraceCheckUtils]: 0: Hoare triple {2541#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(17, 2); {2541#true} is VALID [2022-02-20 23:53:56,275 INFO L290 TraceCheckUtils]: 1: Hoare triple {2541#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {2543#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:56,276 INFO L290 TraceCheckUtils]: 2: Hoare triple {2543#(= (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 {2543#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:56,276 INFO L290 TraceCheckUtils]: 3: Hoare triple {2543#(= (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 {2543#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:56,276 INFO L290 TraceCheckUtils]: 4: Hoare triple {2543#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2543#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:56,277 INFO L290 TraceCheckUtils]: 5: Hoare triple {2543#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2543#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:56,277 INFO L290 TraceCheckUtils]: 6: Hoare triple {2543#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {2543#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:56,277 INFO L290 TraceCheckUtils]: 7: Hoare triple {2543#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {2543#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:56,278 INFO L290 TraceCheckUtils]: 8: Hoare triple {2543#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {2543#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:56,278 INFO L290 TraceCheckUtils]: 9: Hoare triple {2543#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2544#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:53:56,279 INFO L290 TraceCheckUtils]: 10: Hoare triple {2544#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {2544#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:53:56,279 INFO L290 TraceCheckUtils]: 11: Hoare triple {2544#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {2544#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:53:56,280 INFO L290 TraceCheckUtils]: 12: Hoare triple {2544#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {2542#false} is VALID [2022-02-20 23:53:56,280 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 23:53:56,280 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:56,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782613979] [2022-02-20 23:53:56,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782613979] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:56,280 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:56,280 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:53:56,281 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338827645] [2022-02-20 23:53:56,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:56,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2022-02-20 23:53:56,281 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:56,281 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:56,290 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:56,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:53:56,291 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:56,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:53:56,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:53:56,291 INFO L87 Difference]: Start difference. First operand 133 states and 145 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:56,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:56,540 INFO L93 Difference]: Finished difference Result 134 states and 145 transitions. [2022-02-20 23:53:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:53:56,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2022-02-20 23:53:56,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:56,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 162 transitions. [2022-02-20 23:53:56,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:56,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 162 transitions. [2022-02-20 23:53:56,543 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 162 transitions. [2022-02-20 23:53:56,655 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 23:53:56,656 INFO L225 Difference]: With dead ends: 134 [2022-02-20 23:53:56,656 INFO L226 Difference]: Without dead ends: 134 [2022-02-20 23:53:56,656 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 23:53:56,657 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 183 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:56,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 75 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:53:56,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-02-20 23:53:56,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 125. [2022-02-20 23:53:56,660 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:56,661 INFO L82 GeneralOperation]: Start isEquivalent. First operand 134 states. Second operand has 125 states, 88 states have (on average 1.6136363636363635) internal successors, (142), 124 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:56,661 INFO L74 IsIncluded]: Start isIncluded. First operand 134 states. Second operand has 125 states, 88 states have (on average 1.6136363636363635) internal successors, (142), 124 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:56,661 INFO L87 Difference]: Start difference. First operand 134 states. Second operand has 125 states, 88 states have (on average 1.6136363636363635) internal successors, (142), 124 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:56,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:56,664 INFO L93 Difference]: Finished difference Result 134 states and 145 transitions. [2022-02-20 23:53:56,664 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2022-02-20 23:53:56,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:56,664 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:56,665 INFO L74 IsIncluded]: Start isIncluded. First operand has 125 states, 88 states have (on average 1.6136363636363635) internal successors, (142), 124 states have internal predecessors, (142), 0 states have call successors, (0), 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 134 states. [2022-02-20 23:53:56,665 INFO L87 Difference]: Start difference. First operand has 125 states, 88 states have (on average 1.6136363636363635) internal successors, (142), 124 states have internal predecessors, (142), 0 states have call successors, (0), 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 134 states. [2022-02-20 23:53:56,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:56,667 INFO L93 Difference]: Finished difference Result 134 states and 145 transitions. [2022-02-20 23:53:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2022-02-20 23:53:56,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:56,668 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:56,668 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:56,668 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 88 states have (on average 1.6136363636363635) internal successors, (142), 124 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:56,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 142 transitions. [2022-02-20 23:53:56,674 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 142 transitions. Word has length 13 [2022-02-20 23:53:56,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:56,674 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 142 transitions. [2022-02-20 23:53:56,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:56,674 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2022-02-20 23:53:56,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-02-20 23:53:56,675 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:56,675 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:56,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 23:53:56,675 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:53:56,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:56,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1002115697, now seen corresponding path program 1 times [2022-02-20 23:53:56,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:56,676 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574620161] [2022-02-20 23:53:56,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:56,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:56,782 INFO L290 TraceCheckUtils]: 0: Hoare triple {3076#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(17, 2); {3076#true} is VALID [2022-02-20 23:53:56,783 INFO L290 TraceCheckUtils]: 1: Hoare triple {3076#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:53:56,784 INFO L290 TraceCheckUtils]: 2: Hoare triple {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |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 {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:53:56,784 INFO L290 TraceCheckUtils]: 3: Hoare triple {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |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 {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:53:56,785 INFO L290 TraceCheckUtils]: 4: Hoare triple {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:53:56,785 INFO L290 TraceCheckUtils]: 5: Hoare triple {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:53:56,786 INFO L290 TraceCheckUtils]: 6: Hoare triple {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:53:56,787 INFO L290 TraceCheckUtils]: 7: Hoare triple {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:53:56,787 INFO L290 TraceCheckUtils]: 8: Hoare triple {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:53:56,788 INFO L290 TraceCheckUtils]: 9: Hoare triple {3078#(and (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 16) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3079#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 16 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:53:56,788 INFO L290 TraceCheckUtils]: 10: Hoare triple {3079#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 16 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {3079#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 16 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:53:56,789 INFO L290 TraceCheckUtils]: 11: Hoare triple {3079#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 16 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {3079#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 16 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:53:56,789 INFO L290 TraceCheckUtils]: 12: Hoare triple {3079#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 16 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} assume !(4 + main_~x~0#1.offset <= #length[main_~x~0#1.base] && 0 <= main_~x~0#1.offset); {3077#false} is VALID [2022-02-20 23:53:56,790 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 23:53:56,790 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:56,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574620161] [2022-02-20 23:53:56,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574620161] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:56,790 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:56,790 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:53:56,791 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669713922] [2022-02-20 23:53:56,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:56,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2022-02-20 23:53:56,791 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:56,791 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:56,801 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:56,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:53:56,802 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:56,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:53:56,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:53:56,802 INFO L87 Difference]: Start difference. First operand 125 states and 142 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:57,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:57,132 INFO L93 Difference]: Finished difference Result 182 states and 201 transitions. [2022-02-20 23:53:57,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:53:57,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2022-02-20 23:53:57,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:57,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:57,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 204 transitions. [2022-02-20 23:53:57,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:57,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 204 transitions. [2022-02-20 23:53:57,136 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 204 transitions. [2022-02-20 23:53:57,278 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:57,280 INFO L225 Difference]: With dead ends: 182 [2022-02-20 23:53:57,280 INFO L226 Difference]: Without dead ends: 182 [2022-02-20 23:53:57,280 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 23:53:57,281 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 187 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:57,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 118 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:53:57,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-02-20 23:53:57,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 156. [2022-02-20 23:53:57,284 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:57,285 INFO L82 GeneralOperation]: Start isEquivalent. First operand 182 states. Second operand has 156 states, 119 states have (on average 1.5378151260504203) internal successors, (183), 155 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 23:53:57,285 INFO L74 IsIncluded]: Start isIncluded. First operand 182 states. Second operand has 156 states, 119 states have (on average 1.5378151260504203) internal successors, (183), 155 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 23:53:57,285 INFO L87 Difference]: Start difference. First operand 182 states. Second operand has 156 states, 119 states have (on average 1.5378151260504203) internal successors, (183), 155 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 23:53:57,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:57,288 INFO L93 Difference]: Finished difference Result 182 states and 201 transitions. [2022-02-20 23:53:57,288 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 201 transitions. [2022-02-20 23:53:57,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:57,288 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:57,289 INFO L74 IsIncluded]: Start isIncluded. First operand has 156 states, 119 states have (on average 1.5378151260504203) internal successors, (183), 155 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 182 states. [2022-02-20 23:53:57,289 INFO L87 Difference]: Start difference. First operand has 156 states, 119 states have (on average 1.5378151260504203) internal successors, (183), 155 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 182 states. [2022-02-20 23:53:57,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:57,292 INFO L93 Difference]: Finished difference Result 182 states and 201 transitions. [2022-02-20 23:53:57,292 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 201 transitions. [2022-02-20 23:53:57,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:57,292 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:57,292 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:57,292 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:57,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 119 states have (on average 1.5378151260504203) internal successors, (183), 155 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 23:53:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions. [2022-02-20 23:53:57,295 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 13 [2022-02-20 23:53:57,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:57,295 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions. [2022-02-20 23:53:57,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:57,296 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2022-02-20 23:53:57,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-20 23:53:57,296 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:57,296 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:57,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 23:53:57,296 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:53:57,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:57,297 INFO L85 PathProgramCache]: Analyzing trace with hash -288943149, now seen corresponding path program 1 times [2022-02-20 23:53:57,297 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:57,297 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421603891] [2022-02-20 23:53:57,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:57,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:57,367 INFO L290 TraceCheckUtils]: 0: Hoare triple {3786#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(17, 2); {3786#true} is VALID [2022-02-20 23:53:57,367 INFO L290 TraceCheckUtils]: 1: Hoare triple {3786#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {3786#true} is VALID [2022-02-20 23:53:57,367 INFO L290 TraceCheckUtils]: 2: Hoare triple {3786#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {3786#true} is VALID [2022-02-20 23:53:57,368 INFO L290 TraceCheckUtils]: 3: Hoare triple {3786#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {3786#true} is VALID [2022-02-20 23:53:57,368 INFO L290 TraceCheckUtils]: 4: Hoare triple {3786#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3786#true} is VALID [2022-02-20 23:53:57,368 INFO L290 TraceCheckUtils]: 5: Hoare triple {3786#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {3786#true} is VALID [2022-02-20 23:53:57,368 INFO L290 TraceCheckUtils]: 6: Hoare triple {3786#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {3786#true} is VALID [2022-02-20 23:53:57,368 INFO L290 TraceCheckUtils]: 7: Hoare triple {3786#true} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {3786#true} is VALID [2022-02-20 23:53:57,368 INFO L290 TraceCheckUtils]: 8: Hoare triple {3786#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {3786#true} is VALID [2022-02-20 23:53:57,369 INFO L290 TraceCheckUtils]: 9: Hoare triple {3786#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3786#true} is VALID [2022-02-20 23:53:57,369 INFO L290 TraceCheckUtils]: 10: Hoare triple {3786#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {3786#true} is VALID [2022-02-20 23:53:57,369 INFO L290 TraceCheckUtils]: 11: Hoare triple {3786#true} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {3788#(= (select |#valid| |ULTIMATE.start_main_#t~malloc7#1.base|) 1)} is VALID [2022-02-20 23:53:57,370 INFO L290 TraceCheckUtils]: 12: Hoare triple {3788#(= (select |#valid| |ULTIMATE.start_main_#t~malloc7#1.base|) 1)} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {3789#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:53:57,370 INFO L290 TraceCheckUtils]: 13: Hoare triple {3789#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {3789#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:53:57,371 INFO L290 TraceCheckUtils]: 14: Hoare triple {3789#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {3790#(= (select |#valid| |ULTIMATE.start_main_#t~mem8#1.base|) 1)} is VALID [2022-02-20 23:53:57,371 INFO L290 TraceCheckUtils]: 15: Hoare triple {3790#(= (select |#valid| |ULTIMATE.start_main_#t~mem8#1.base|) 1)} assume !(1 == #valid[main_#t~mem8#1.base]); {3787#false} is VALID [2022-02-20 23:53:57,372 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 23:53:57,372 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:57,372 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421603891] [2022-02-20 23:53:57,372 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421603891] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:57,373 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:57,373 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:53:57,373 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288508759] [2022-02-20 23:53:57,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:57,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 23:53:57,374 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:57,374 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 23:53:57,384 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 23:53:57,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:53:57,385 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:57,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:53:57,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:53:57,385 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 23:53:57,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:57,738 INFO L93 Difference]: Finished difference Result 155 states and 181 transitions. [2022-02-20 23:53:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 23:53:57,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 23:53:57,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:57,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 23:53:57,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 126 transitions. [2022-02-20 23:53:57,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 23:53:57,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 126 transitions. [2022-02-20 23:53:57,742 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 126 transitions. [2022-02-20 23:53:57,818 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:57,828 INFO L225 Difference]: With dead ends: 155 [2022-02-20 23:53:57,828 INFO L226 Difference]: Without dead ends: 155 [2022-02-20 23:53:57,828 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 23:53:57,835 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:57,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 308 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:53:57,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-02-20 23:53:57,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2022-02-20 23:53:57,837 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:57,838 INFO L82 GeneralOperation]: Start isEquivalent. First operand 155 states. Second operand has 155 states, 119 states have (on average 1.5210084033613445) internal successors, (181), 154 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:57,838 INFO L74 IsIncluded]: Start isIncluded. First operand 155 states. Second operand has 155 states, 119 states have (on average 1.5210084033613445) internal successors, (181), 154 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:57,838 INFO L87 Difference]: Start difference. First operand 155 states. Second operand has 155 states, 119 states have (on average 1.5210084033613445) internal successors, (181), 154 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:57,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:57,841 INFO L93 Difference]: Finished difference Result 155 states and 181 transitions. [2022-02-20 23:53:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 181 transitions. [2022-02-20 23:53:57,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:57,841 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:57,842 INFO L74 IsIncluded]: Start isIncluded. First operand has 155 states, 119 states have (on average 1.5210084033613445) internal successors, (181), 154 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 155 states. [2022-02-20 23:53:57,842 INFO L87 Difference]: Start difference. First operand has 155 states, 119 states have (on average 1.5210084033613445) internal successors, (181), 154 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 155 states. [2022-02-20 23:53:57,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:57,852 INFO L93 Difference]: Finished difference Result 155 states and 181 transitions. [2022-02-20 23:53:57,852 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 181 transitions. [2022-02-20 23:53:57,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:57,853 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:57,853 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:57,853 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 119 states have (on average 1.5210084033613445) internal successors, (181), 154 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:57,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 181 transitions. [2022-02-20 23:53:57,855 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 181 transitions. Word has length 16 [2022-02-20 23:53:57,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:57,856 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 181 transitions. [2022-02-20 23:53:57,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 23:53:57,856 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 181 transitions. [2022-02-20 23:53:57,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-20 23:53:57,856 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:57,856 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:57,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 23:53:57,857 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:53:57,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:57,857 INFO L85 PathProgramCache]: Analyzing trace with hash -288943148, now seen corresponding path program 1 times [2022-02-20 23:53:57,857 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:57,857 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914804452] [2022-02-20 23:53:57,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:57,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:57,999 INFO L290 TraceCheckUtils]: 0: Hoare triple {4417#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(17, 2); {4417#true} is VALID [2022-02-20 23:53:58,000 INFO L290 TraceCheckUtils]: 1: Hoare triple {4417#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {4417#true} is VALID [2022-02-20 23:53:58,000 INFO L290 TraceCheckUtils]: 2: Hoare triple {4417#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {4417#true} is VALID [2022-02-20 23:53:58,000 INFO L290 TraceCheckUtils]: 3: Hoare triple {4417#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {4417#true} is VALID [2022-02-20 23:53:58,005 INFO L290 TraceCheckUtils]: 4: Hoare triple {4417#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4417#true} is VALID [2022-02-20 23:53:58,005 INFO L290 TraceCheckUtils]: 5: Hoare triple {4417#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {4417#true} is VALID [2022-02-20 23:53:58,006 INFO L290 TraceCheckUtils]: 6: Hoare triple {4417#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {4417#true} is VALID [2022-02-20 23:53:58,006 INFO L290 TraceCheckUtils]: 7: Hoare triple {4417#true} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {4417#true} is VALID [2022-02-20 23:53:58,006 INFO L290 TraceCheckUtils]: 8: Hoare triple {4417#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {4417#true} is VALID [2022-02-20 23:53:58,006 INFO L290 TraceCheckUtils]: 9: Hoare triple {4417#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {4417#true} is VALID [2022-02-20 23:53:58,006 INFO L290 TraceCheckUtils]: 10: Hoare triple {4417#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {4417#true} is VALID [2022-02-20 23:53:58,007 INFO L290 TraceCheckUtils]: 11: Hoare triple {4417#true} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {4419#(and (<= 16 (select |#length| |ULTIMATE.start_main_#t~malloc7#1.base|)) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0))} is VALID [2022-02-20 23:53:58,008 INFO L290 TraceCheckUtils]: 12: Hoare triple {4419#(and (<= 16 (select |#length| |ULTIMATE.start_main_#t~malloc7#1.base|)) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {4420#(and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:53:58,008 INFO L290 TraceCheckUtils]: 13: Hoare triple {4420#(and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {4420#(and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:53:58,009 INFO L290 TraceCheckUtils]: 14: Hoare triple {4420#(and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {4421#(and (= |ULTIMATE.start_main_#t~mem8#1.offset| 0) (<= 16 (select |#length| |ULTIMATE.start_main_#t~mem8#1.base|)))} is VALID [2022-02-20 23:53:58,011 INFO L290 TraceCheckUtils]: 15: Hoare triple {4421#(and (= |ULTIMATE.start_main_#t~mem8#1.offset| 0) (<= 16 (select |#length| |ULTIMATE.start_main_#t~mem8#1.base|)))} assume !(4 + (4 + main_#t~mem8#1.offset) <= #length[main_#t~mem8#1.base] && 0 <= 4 + main_#t~mem8#1.offset); {4418#false} is VALID [2022-02-20 23:53:58,012 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 23:53:58,013 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:58,013 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914804452] [2022-02-20 23:53:58,013 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914804452] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:58,013 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:58,013 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:53:58,014 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835006362] [2022-02-20 23:53:58,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:58,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 23:53:58,014 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:58,014 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 23:53:58,041 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 23:53:58,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:53:58,041 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:58,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:53:58,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:53:58,042 INFO L87 Difference]: Start difference. First operand 155 states and 181 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 23:53:58,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:58,407 INFO L93 Difference]: Finished difference Result 154 states and 179 transitions. [2022-02-20 23:53:58,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:53:58,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 23:53:58,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 23:53:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 125 transitions. [2022-02-20 23:53:58,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 23:53:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 125 transitions. [2022-02-20 23:53:58,410 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 125 transitions. [2022-02-20 23:53:58,482 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:58,484 INFO L225 Difference]: With dead ends: 154 [2022-02-20 23:53:58,484 INFO L226 Difference]: Without dead ends: 154 [2022-02-20 23:53:58,484 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 23:53:58,484 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 4 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:58,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 299 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:53:58,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-02-20 23:53:58,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2022-02-20 23:53:58,486 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:58,487 INFO L82 GeneralOperation]: Start isEquivalent. First operand 154 states. Second operand has 154 states, 119 states have (on average 1.504201680672269) internal successors, (179), 153 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:58,487 INFO L74 IsIncluded]: Start isIncluded. First operand 154 states. Second operand has 154 states, 119 states have (on average 1.504201680672269) internal successors, (179), 153 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:58,487 INFO L87 Difference]: Start difference. First operand 154 states. Second operand has 154 states, 119 states have (on average 1.504201680672269) internal successors, (179), 153 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:58,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:58,489 INFO L93 Difference]: Finished difference Result 154 states and 179 transitions. [2022-02-20 23:53:58,489 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 179 transitions. [2022-02-20 23:53:58,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:58,490 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:58,490 INFO L74 IsIncluded]: Start isIncluded. First operand has 154 states, 119 states have (on average 1.504201680672269) internal successors, (179), 153 states have internal predecessors, (179), 0 states have call successors, (0), 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 154 states. [2022-02-20 23:53:58,491 INFO L87 Difference]: Start difference. First operand has 154 states, 119 states have (on average 1.504201680672269) internal successors, (179), 153 states have internal predecessors, (179), 0 states have call successors, (0), 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 154 states. [2022-02-20 23:53:58,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:58,493 INFO L93 Difference]: Finished difference Result 154 states and 179 transitions. [2022-02-20 23:53:58,493 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 179 transitions. [2022-02-20 23:53:58,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:58,493 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:58,493 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:58,494 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:58,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 119 states have (on average 1.504201680672269) internal successors, (179), 153 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:58,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 179 transitions. [2022-02-20 23:53:58,496 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 179 transitions. Word has length 16 [2022-02-20 23:53:58,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:58,496 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 179 transitions. [2022-02-20 23:53:58,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 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 23:53:58,497 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 179 transitions. [2022-02-20 23:53:58,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-20 23:53:58,497 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:58,497 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:58,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 23:53:58,497 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:53:58,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:58,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1504363226, now seen corresponding path program 1 times [2022-02-20 23:53:58,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:58,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837448304] [2022-02-20 23:53:58,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:58,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:58,528 INFO L290 TraceCheckUtils]: 0: Hoare triple {5044#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(17, 2); {5044#true} is VALID [2022-02-20 23:53:58,528 INFO L290 TraceCheckUtils]: 1: Hoare triple {5044#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:58,528 INFO L290 TraceCheckUtils]: 2: Hoare triple {5046#(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 {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:58,529 INFO L290 TraceCheckUtils]: 3: Hoare triple {5046#(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 {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:58,529 INFO L290 TraceCheckUtils]: 4: Hoare triple {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:58,529 INFO L290 TraceCheckUtils]: 5: Hoare triple {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:58,530 INFO L290 TraceCheckUtils]: 6: Hoare triple {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:58,530 INFO L290 TraceCheckUtils]: 7: Hoare triple {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:58,530 INFO L290 TraceCheckUtils]: 8: Hoare triple {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:58,531 INFO L290 TraceCheckUtils]: 9: Hoare triple {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:58,531 INFO L290 TraceCheckUtils]: 10: Hoare triple {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:58,531 INFO L290 TraceCheckUtils]: 11: Hoare triple {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:53:58,532 INFO L290 TraceCheckUtils]: 12: Hoare triple {5046#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5047#(not (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:53:58,532 INFO L290 TraceCheckUtils]: 13: Hoare triple {5047#(not (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {5045#false} is VALID [2022-02-20 23:53:58,532 INFO L290 TraceCheckUtils]: 14: Hoare triple {5045#false} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5045#false} is VALID [2022-02-20 23:53:58,532 INFO L290 TraceCheckUtils]: 15: Hoare triple {5045#false} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {5045#false} is VALID [2022-02-20 23:53:58,533 INFO L290 TraceCheckUtils]: 16: Hoare triple {5045#false} main_#res#1 := 0; {5045#false} is VALID [2022-02-20 23:53:58,533 INFO L290 TraceCheckUtils]: 17: Hoare triple {5045#false} assume !(#valid == main_old_#valid#1); {5045#false} is VALID [2022-02-20 23:53:58,533 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 23:53:58,533 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:58,533 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837448304] [2022-02-20 23:53:58,533 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837448304] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:58,533 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:58,533 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:53:58,534 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516562002] [2022-02-20 23:53:58,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:58,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2022-02-20 23:53:58,535 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:58,535 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:58,545 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:58,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:53:58,546 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:58,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:53:58,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:53:58,546 INFO L87 Difference]: Start difference. First operand 154 states and 179 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:58,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:58,776 INFO L93 Difference]: Finished difference Result 173 states and 192 transitions. [2022-02-20 23:53:58,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:53:58,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2022-02-20 23:53:58,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:58,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 185 transitions. [2022-02-20 23:53:58,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:58,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 185 transitions. [2022-02-20 23:53:58,779 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 185 transitions. [2022-02-20 23:53:58,910 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 23:53:58,912 INFO L225 Difference]: With dead ends: 173 [2022-02-20 23:53:58,912 INFO L226 Difference]: Without dead ends: 173 [2022-02-20 23:53:58,912 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 23:53:58,912 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 174 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:58,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 168 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:53:58,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-02-20 23:53:58,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 154. [2022-02-20 23:53:58,914 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:58,915 INFO L82 GeneralOperation]: Start isEquivalent. First operand 173 states. Second operand has 154 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 153 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:58,915 INFO L74 IsIncluded]: Start isIncluded. First operand 173 states. Second operand has 154 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 153 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:58,915 INFO L87 Difference]: Start difference. First operand 173 states. Second operand has 154 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 153 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:58,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:58,917 INFO L93 Difference]: Finished difference Result 173 states and 192 transitions. [2022-02-20 23:53:58,917 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 192 transitions. [2022-02-20 23:53:58,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:58,918 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:58,918 INFO L74 IsIncluded]: Start isIncluded. First operand has 154 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 153 states have internal predecessors, (177), 0 states have call successors, (0), 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 173 states. [2022-02-20 23:53:58,918 INFO L87 Difference]: Start difference. First operand has 154 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 153 states have internal predecessors, (177), 0 states have call successors, (0), 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 173 states. [2022-02-20 23:53:58,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:58,920 INFO L93 Difference]: Finished difference Result 173 states and 192 transitions. [2022-02-20 23:53:58,920 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 192 transitions. [2022-02-20 23:53:58,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:58,921 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:58,921 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:58,921 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:58,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 153 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:58,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 177 transitions. [2022-02-20 23:53:58,923 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 177 transitions. Word has length 18 [2022-02-20 23:53:58,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:58,923 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 177 transitions. [2022-02-20 23:53:58,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:58,923 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 177 transitions. [2022-02-20 23:53:58,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 23:53:58,923 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:58,923 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:58,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-20 23:53:58,924 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:53:58,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:58,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1253394517, now seen corresponding path program 1 times [2022-02-20 23:53:58,924 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:58,924 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956879739] [2022-02-20 23:53:58,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:58,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:53:59,009 INFO L290 TraceCheckUtils]: 0: Hoare triple {5725#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(17, 2); {5725#true} is VALID [2022-02-20 23:53:59,009 INFO L290 TraceCheckUtils]: 1: Hoare triple {5725#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {5725#true} is VALID [2022-02-20 23:53:59,011 INFO L290 TraceCheckUtils]: 2: Hoare triple {5725#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {5727#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:59,011 INFO L290 TraceCheckUtils]: 3: Hoare triple {5727#(= (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 {5727#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:59,012 INFO L290 TraceCheckUtils]: 4: Hoare triple {5727#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5727#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:59,012 INFO L290 TraceCheckUtils]: 5: Hoare triple {5727#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {5727#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:59,012 INFO L290 TraceCheckUtils]: 6: Hoare triple {5727#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {5727#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:59,013 INFO L290 TraceCheckUtils]: 7: Hoare triple {5727#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {5727#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:59,013 INFO L290 TraceCheckUtils]: 8: Hoare triple {5727#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {5727#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:53:59,014 INFO L290 TraceCheckUtils]: 9: Hoare triple {5727#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5728#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:53:59,015 INFO L290 TraceCheckUtils]: 10: Hoare triple {5728#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {5728#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:53:59,016 INFO L290 TraceCheckUtils]: 11: Hoare triple {5728#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {5729#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~malloc7#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc7#1.base|) 1))} is VALID [2022-02-20 23:53:59,017 INFO L290 TraceCheckUtils]: 12: Hoare triple {5729#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~malloc7#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc7#1.base|) 1))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {5730#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:53:59,018 INFO L290 TraceCheckUtils]: 13: Hoare triple {5730#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {5730#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:53:59,018 INFO L290 TraceCheckUtils]: 14: Hoare triple {5730#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {5731#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:53:59,019 INFO L290 TraceCheckUtils]: 15: Hoare triple {5731#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_#t~mem8#1.base, 4 + main_#t~mem8#1.offset, 4); srcloc: L1003-6 {5732#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:53:59,020 INFO L290 TraceCheckUtils]: 16: Hoare triple {5732#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {5732#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:53:59,020 INFO L290 TraceCheckUtils]: 17: Hoare triple {5732#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-8 {5733#(= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1)} is VALID [2022-02-20 23:53:59,021 INFO L290 TraceCheckUtils]: 18: Hoare triple {5733#(= (select |#valid| |ULTIMATE.start_main_#t~mem9#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {5728#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:53:59,021 INFO L290 TraceCheckUtils]: 19: Hoare triple {5728#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {5726#false} is VALID [2022-02-20 23:53:59,021 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 23:53:59,021 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:53:59,021 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956879739] [2022-02-20 23:53:59,022 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956879739] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:53:59,022 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:53:59,022 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 23:53:59,022 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702446019] [2022-02-20 23:53:59,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:53:59,022 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:53:59,022 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:53:59,023 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:59,039 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:59,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 23:53:59,040 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:53:59,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 23:53:59,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:53:59,040 INFO L87 Difference]: Start difference. First operand 154 states and 177 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:59,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:59,846 INFO L93 Difference]: Finished difference Result 155 states and 176 transitions. [2022-02-20 23:53:59,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 23:53:59,846 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:53:59,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:53:59,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 135 transitions. [2022-02-20 23:53:59,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:59,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 135 transitions. [2022-02-20 23:53:59,848 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 135 transitions. [2022-02-20 23:53:59,936 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 135 edges. 135 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:53:59,937 INFO L225 Difference]: With dead ends: 155 [2022-02-20 23:53:59,937 INFO L226 Difference]: Without dead ends: 155 [2022-02-20 23:53:59,938 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 23:53:59,938 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 172 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:53:59,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 299 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:53:59,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-02-20 23:53:59,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 153. [2022-02-20 23:53:59,940 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:53:59,940 INFO L82 GeneralOperation]: Start isEquivalent. First operand 155 states. Second operand has 153 states, 119 states have (on average 1.4789915966386555) internal successors, (176), 152 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:59,940 INFO L74 IsIncluded]: Start isIncluded. First operand 155 states. Second operand has 153 states, 119 states have (on average 1.4789915966386555) internal successors, (176), 152 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:59,940 INFO L87 Difference]: Start difference. First operand 155 states. Second operand has 153 states, 119 states have (on average 1.4789915966386555) internal successors, (176), 152 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:59,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:59,942 INFO L93 Difference]: Finished difference Result 155 states and 176 transitions. [2022-02-20 23:53:59,942 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 176 transitions. [2022-02-20 23:53:59,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:59,942 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:59,942 INFO L74 IsIncluded]: Start isIncluded. First operand has 153 states, 119 states have (on average 1.4789915966386555) internal successors, (176), 152 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 155 states. [2022-02-20 23:53:59,943 INFO L87 Difference]: Start difference. First operand has 153 states, 119 states have (on average 1.4789915966386555) internal successors, (176), 152 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 155 states. [2022-02-20 23:53:59,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:53:59,945 INFO L93 Difference]: Finished difference Result 155 states and 176 transitions. [2022-02-20 23:53:59,945 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 176 transitions. [2022-02-20 23:53:59,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:53:59,945 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:53:59,945 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:53:59,945 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:53:59,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 119 states have (on average 1.4789915966386555) internal successors, (176), 152 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 176 transitions. [2022-02-20 23:53:59,947 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 176 transitions. Word has length 20 [2022-02-20 23:53:59,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:53:59,947 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 176 transitions. [2022-02-20 23:53:59,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:53:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 176 transitions. [2022-02-20 23:53:59,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 23:53:59,948 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:53:59,948 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:53:59,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-20 23:53:59,948 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr29REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:53:59,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:53:59,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1253394518, now seen corresponding path program 1 times [2022-02-20 23:53:59,949 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:53:59,949 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054817171] [2022-02-20 23:53:59,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:53:59,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:53:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:00,073 INFO L290 TraceCheckUtils]: 0: Hoare triple {6366#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(17, 2); {6366#true} is VALID [2022-02-20 23:54:00,074 INFO L290 TraceCheckUtils]: 1: Hoare triple {6366#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {6366#true} is VALID [2022-02-20 23:54:00,074 INFO L290 TraceCheckUtils]: 2: Hoare triple {6366#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {6368#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:00,075 INFO L290 TraceCheckUtils]: 3: Hoare triple {6368#(= (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 {6368#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:00,075 INFO L290 TraceCheckUtils]: 4: Hoare triple {6368#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6368#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:00,075 INFO L290 TraceCheckUtils]: 5: Hoare triple {6368#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {6368#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:00,076 INFO L290 TraceCheckUtils]: 6: Hoare triple {6368#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {6368#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:00,076 INFO L290 TraceCheckUtils]: 7: Hoare triple {6368#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {6368#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:00,076 INFO L290 TraceCheckUtils]: 8: Hoare triple {6368#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {6368#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:00,077 INFO L290 TraceCheckUtils]: 9: Hoare triple {6368#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {6369#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:54:00,077 INFO L290 TraceCheckUtils]: 10: Hoare triple {6369#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {6369#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:54:00,077 INFO L290 TraceCheckUtils]: 11: Hoare triple {6369#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {6370#(and (= 16 (select |#length| |ULTIMATE.start_main_#t~malloc7#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~malloc7#1.base|)) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0))} is VALID [2022-02-20 23:54:00,078 INFO L290 TraceCheckUtils]: 12: Hoare triple {6370#(and (= 16 (select |#length| |ULTIMATE.start_main_#t~malloc7#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~malloc7#1.base|)) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {6371#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 16) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:00,079 INFO L290 TraceCheckUtils]: 13: Hoare triple {6371#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 16) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {6371#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 16) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:00,079 INFO L290 TraceCheckUtils]: 14: Hoare triple {6371#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 16) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {6372#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 16) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:00,080 INFO L290 TraceCheckUtils]: 15: Hoare triple {6372#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 16) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_#t~mem8#1.base, 4 + main_#t~mem8#1.offset, 4); srcloc: L1003-6 {6373#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 16) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:00,080 INFO L290 TraceCheckUtils]: 16: Hoare triple {6373#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 16) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {6373#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 16) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:00,081 INFO L290 TraceCheckUtils]: 17: Hoare triple {6373#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 16) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-8 {6374#(and (= 16 (select |#length| |ULTIMATE.start_main_#t~mem9#1.base|)) (= |ULTIMATE.start_main_#t~mem9#1.offset| 0))} is VALID [2022-02-20 23:54:00,081 INFO L290 TraceCheckUtils]: 18: Hoare triple {6374#(and (= 16 (select |#length| |ULTIMATE.start_main_#t~mem9#1.base|)) (= |ULTIMATE.start_main_#t~mem9#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {6375#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 16 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:54:00,082 INFO L290 TraceCheckUtils]: 19: Hoare triple {6375#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 16 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} assume !(4 + main_~x~0#1.offset <= #length[main_~x~0#1.base] && 0 <= main_~x~0#1.offset); {6367#false} is VALID [2022-02-20 23:54:00,082 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 23:54:00,082 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:00,082 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054817171] [2022-02-20 23:54:00,082 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054817171] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:00,083 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:00,083 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-20 23:54:00,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290513090] [2022-02-20 23:54:00,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:00,083 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:54:00,083 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:00,084 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:00,098 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:00,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-20 23:54:00,099 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:00,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-20 23:54:00,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-02-20 23:54:00,099 INFO L87 Difference]: Start difference. First operand 153 states and 176 transitions. Second operand has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:00,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:00,885 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2022-02-20 23:54:00,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 23:54:00,885 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:54:00,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:00,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:00,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 145 transitions. [2022-02-20 23:54:00,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:00,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 145 transitions. [2022-02-20 23:54:00,887 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 145 transitions. [2022-02-20 23:54:00,985 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 145 edges. 145 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:00,987 INFO L225 Difference]: With dead ends: 146 [2022-02-20 23:54:00,987 INFO L226 Difference]: Without dead ends: 146 [2022-02-20 23:54:00,987 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 23:54:00,987 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 173 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:00,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 264 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:54:00,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-02-20 23:54:00,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 134. [2022-02-20 23:54:00,989 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:00,989 INFO L82 GeneralOperation]: Start isEquivalent. First operand 146 states. Second operand has 134 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 133 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:00,989 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand has 134 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 133 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:00,990 INFO L87 Difference]: Start difference. First operand 146 states. Second operand has 134 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 133 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:00,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:00,991 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2022-02-20 23:54:00,991 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 167 transitions. [2022-02-20 23:54:00,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:00,991 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:00,991 INFO L74 IsIncluded]: Start isIncluded. First operand has 134 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 133 states have internal predecessors, (156), 0 states have call successors, (0), 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 146 states. [2022-02-20 23:54:00,992 INFO L87 Difference]: Start difference. First operand has 134 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 133 states have internal predecessors, (156), 0 states have call successors, (0), 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 146 states. [2022-02-20 23:54:00,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:00,994 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2022-02-20 23:54:00,994 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 167 transitions. [2022-02-20 23:54:00,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:00,994 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:00,994 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:00,994 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:00,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 111 states have (on average 1.4054054054054055) internal successors, (156), 133 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:00,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 156 transitions. [2022-02-20 23:54:00,996 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 156 transitions. Word has length 20 [2022-02-20 23:54:00,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:00,996 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 156 transitions. [2022-02-20 23:54:00,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:00,996 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2022-02-20 23:54:00,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 23:54:00,997 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:00,997 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 23:54:00,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-20 23:54:00,997 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:00,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:00,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1737058081, now seen corresponding path program 1 times [2022-02-20 23:54:00,998 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:00,998 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598496171] [2022-02-20 23:54:00,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:00,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:01,027 INFO L290 TraceCheckUtils]: 0: Hoare triple {6976#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(17, 2); {6976#true} is VALID [2022-02-20 23:54:01,027 INFO L290 TraceCheckUtils]: 1: Hoare triple {6976#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {6976#true} is VALID [2022-02-20 23:54:01,027 INFO L290 TraceCheckUtils]: 2: Hoare triple {6976#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {6976#true} is VALID [2022-02-20 23:54:01,027 INFO L290 TraceCheckUtils]: 3: Hoare triple {6976#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {6976#true} is VALID [2022-02-20 23:54:01,027 INFO L290 TraceCheckUtils]: 4: Hoare triple {6976#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6976#true} is VALID [2022-02-20 23:54:01,028 INFO L290 TraceCheckUtils]: 5: Hoare triple {6976#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {6976#true} is VALID [2022-02-20 23:54:01,028 INFO L290 TraceCheckUtils]: 6: Hoare triple {6976#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {6976#true} is VALID [2022-02-20 23:54:01,028 INFO L290 TraceCheckUtils]: 7: Hoare triple {6976#true} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {6976#true} is VALID [2022-02-20 23:54:01,028 INFO L290 TraceCheckUtils]: 8: Hoare triple {6976#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {6976#true} is VALID [2022-02-20 23:54:01,028 INFO L290 TraceCheckUtils]: 9: Hoare triple {6976#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {6976#true} is VALID [2022-02-20 23:54:01,028 INFO L290 TraceCheckUtils]: 10: Hoare triple {6976#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {6976#true} is VALID [2022-02-20 23:54:01,028 INFO L290 TraceCheckUtils]: 11: Hoare triple {6976#true} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {6976#true} is VALID [2022-02-20 23:54:01,028 INFO L290 TraceCheckUtils]: 12: Hoare triple {6976#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {6976#true} is VALID [2022-02-20 23:54:01,029 INFO L290 TraceCheckUtils]: 13: Hoare triple {6976#true} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {6976#true} is VALID [2022-02-20 23:54:01,029 INFO L290 TraceCheckUtils]: 14: Hoare triple {6976#true} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {6976#true} is VALID [2022-02-20 23:54:01,029 INFO L290 TraceCheckUtils]: 15: Hoare triple {6976#true} main_#t~short16#1 := 2 == main_#t~mem14#1; {6976#true} is VALID [2022-02-20 23:54:01,033 INFO L290 TraceCheckUtils]: 16: Hoare triple {6976#true} assume !main_#t~short16#1; {6978#(not |ULTIMATE.start_main_#t~short16#1|)} is VALID [2022-02-20 23:54:01,034 INFO L290 TraceCheckUtils]: 17: Hoare triple {6978#(not |ULTIMATE.start_main_#t~short16#1|)} main_#t~short19#1 := main_#t~short16#1; {6979#(not |ULTIMATE.start_main_#t~short19#1|)} is VALID [2022-02-20 23:54:01,034 INFO L290 TraceCheckUtils]: 18: Hoare triple {6979#(not |ULTIMATE.start_main_#t~short19#1|)} assume main_#t~short19#1; {6977#false} is VALID [2022-02-20 23:54:01,034 INFO L290 TraceCheckUtils]: 19: Hoare triple {6977#false} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {6977#false} is VALID [2022-02-20 23:54:01,034 INFO L290 TraceCheckUtils]: 20: Hoare triple {6977#false} assume !(1 == #valid[main_#t~mem17#1.base]); {6977#false} is VALID [2022-02-20 23:54:01,035 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 23:54:01,035 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:01,035 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598496171] [2022-02-20 23:54:01,035 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598496171] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:01,035 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:01,035 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:54:01,035 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142850508] [2022-02-20 23:54:01,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:01,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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 23:54:01,036 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:01,036 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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 23:54:01,048 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 23:54:01,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:54:01,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:01,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:54:01,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:54:01,049 INFO L87 Difference]: Start difference. First operand 134 states and 156 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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 23:54:01,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:01,189 INFO L93 Difference]: Finished difference Result 160 states and 190 transitions. [2022-02-20 23:54:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:54:01,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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 23:54:01,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:01,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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 23:54:01,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 131 transitions. [2022-02-20 23:54:01,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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 23:54:01,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 131 transitions. [2022-02-20 23:54:01,190 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 131 transitions. [2022-02-20 23:54:01,265 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 23:54:01,266 INFO L225 Difference]: With dead ends: 160 [2022-02-20 23:54:01,266 INFO L226 Difference]: Without dead ends: 160 [2022-02-20 23:54:01,267 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 23:54:01,267 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 21 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:01,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 316 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:54:01,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-02-20 23:54:01,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 138. [2022-02-20 23:54:01,269 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:01,269 INFO L82 GeneralOperation]: Start isEquivalent. First operand 160 states. Second operand has 138 states, 115 states have (on average 1.391304347826087) internal successors, (160), 137 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:01,269 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand has 138 states, 115 states have (on average 1.391304347826087) internal successors, (160), 137 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:01,269 INFO L87 Difference]: Start difference. First operand 160 states. Second operand has 138 states, 115 states have (on average 1.391304347826087) internal successors, (160), 137 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:01,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:01,271 INFO L93 Difference]: Finished difference Result 160 states and 190 transitions. [2022-02-20 23:54:01,271 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 190 transitions. [2022-02-20 23:54:01,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:01,272 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:01,272 INFO L74 IsIncluded]: Start isIncluded. First operand has 138 states, 115 states have (on average 1.391304347826087) internal successors, (160), 137 states have internal predecessors, (160), 0 states have call successors, (0), 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 23:54:01,272 INFO L87 Difference]: Start difference. First operand has 138 states, 115 states have (on average 1.391304347826087) internal successors, (160), 137 states have internal predecessors, (160), 0 states have call successors, (0), 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 23:54:01,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:01,274 INFO L93 Difference]: Finished difference Result 160 states and 190 transitions. [2022-02-20 23:54:01,274 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 190 transitions. [2022-02-20 23:54:01,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:01,274 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:01,274 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:01,274 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 115 states have (on average 1.391304347826087) internal successors, (160), 137 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:01,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 160 transitions. [2022-02-20 23:54:01,276 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 160 transitions. Word has length 21 [2022-02-20 23:54:01,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:01,276 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 160 transitions. [2022-02-20 23:54:01,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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 23:54:01,276 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 160 transitions. [2022-02-20 23:54:01,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 23:54:01,277 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:01,277 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 23:54:01,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-20 23:54:01,277 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:01,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:01,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1420838518, now seen corresponding path program 1 times [2022-02-20 23:54:01,278 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:01,278 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593212559] [2022-02-20 23:54:01,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:01,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:01,306 INFO L290 TraceCheckUtils]: 0: Hoare triple {7602#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(17, 2); {7602#true} is VALID [2022-02-20 23:54:01,307 INFO L290 TraceCheckUtils]: 1: Hoare triple {7602#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {7602#true} is VALID [2022-02-20 23:54:01,307 INFO L290 TraceCheckUtils]: 2: Hoare triple {7602#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {7602#true} is VALID [2022-02-20 23:54:01,307 INFO L290 TraceCheckUtils]: 3: Hoare triple {7602#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {7602#true} is VALID [2022-02-20 23:54:01,307 INFO L290 TraceCheckUtils]: 4: Hoare triple {7602#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {7602#true} is VALID [2022-02-20 23:54:01,307 INFO L290 TraceCheckUtils]: 5: Hoare triple {7602#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {7602#true} is VALID [2022-02-20 23:54:01,307 INFO L290 TraceCheckUtils]: 6: Hoare triple {7602#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {7602#true} is VALID [2022-02-20 23:54:01,307 INFO L290 TraceCheckUtils]: 7: Hoare triple {7602#true} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {7602#true} is VALID [2022-02-20 23:54:01,308 INFO L290 TraceCheckUtils]: 8: Hoare triple {7602#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {7602#true} is VALID [2022-02-20 23:54:01,308 INFO L290 TraceCheckUtils]: 9: Hoare triple {7602#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {7602#true} is VALID [2022-02-20 23:54:01,308 INFO L290 TraceCheckUtils]: 10: Hoare triple {7602#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {7602#true} is VALID [2022-02-20 23:54:01,308 INFO L290 TraceCheckUtils]: 11: Hoare triple {7602#true} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {7602#true} is VALID [2022-02-20 23:54:01,308 INFO L290 TraceCheckUtils]: 12: Hoare triple {7602#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {7602#true} is VALID [2022-02-20 23:54:01,308 INFO L290 TraceCheckUtils]: 13: Hoare triple {7602#true} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {7602#true} is VALID [2022-02-20 23:54:01,308 INFO L290 TraceCheckUtils]: 14: Hoare triple {7602#true} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {7602#true} is VALID [2022-02-20 23:54:01,308 INFO L290 TraceCheckUtils]: 15: Hoare triple {7602#true} main_#t~short16#1 := 2 == main_#t~mem14#1; {7602#true} is VALID [2022-02-20 23:54:01,309 INFO L290 TraceCheckUtils]: 16: Hoare triple {7602#true} assume !main_#t~short16#1; {7602#true} is VALID [2022-02-20 23:54:01,309 INFO L290 TraceCheckUtils]: 17: Hoare triple {7602#true} main_#t~short19#1 := main_#t~short16#1; {7602#true} is VALID [2022-02-20 23:54:01,309 INFO L290 TraceCheckUtils]: 18: Hoare triple {7602#true} assume !main_#t~short19#1; {7602#true} is VALID [2022-02-20 23:54:01,309 INFO L290 TraceCheckUtils]: 19: Hoare triple {7602#true} main_#t~short21#1 := main_#t~short19#1; {7602#true} is VALID [2022-02-20 23:54:01,309 INFO L290 TraceCheckUtils]: 20: Hoare triple {7602#true} assume main_#t~short21#1; {7604#|ULTIMATE.start_main_#t~short21#1|} is VALID [2022-02-20 23:54:01,310 INFO L290 TraceCheckUtils]: 21: Hoare triple {7604#|ULTIMATE.start_main_#t~short21#1|} assume !main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {7603#false} is VALID [2022-02-20 23:54:01,310 INFO L290 TraceCheckUtils]: 22: Hoare triple {7603#false} assume !false; {7603#false} is VALID [2022-02-20 23:54:01,310 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 23:54:01,310 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:01,310 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593212559] [2022-02-20 23:54:01,310 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593212559] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:01,310 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:01,311 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:54:01,311 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578836191] [2022-02-20 23:54:01,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:01,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 23:54:01,311 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:01,311 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 23:54:01,325 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 23:54:01,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:54:01,325 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 3 interpolants. [2022-02-20 23:54:01,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:54:01,329 INFO L87 Difference]: Start difference. First operand 138 states and 160 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 23:54:01,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:01,420 INFO L93 Difference]: Finished difference Result 140 states and 162 transitions. [2022-02-20 23:54:01,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:54:01,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 23:54:01,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:01,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 23:54:01,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 114 transitions. [2022-02-20 23:54:01,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 23:54:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 114 transitions. [2022-02-20 23:54:01,422 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 114 transitions. [2022-02-20 23:54:01,483 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:01,485 INFO L225 Difference]: With dead ends: 140 [2022-02-20 23:54:01,485 INFO L226 Difference]: Without dead ends: 140 [2022-02-20 23:54:01,485 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 23:54:01,487 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 216 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 23:54:01,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:54:01,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-02-20 23:54:01,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2022-02-20 23:54:01,489 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:01,490 INFO L82 GeneralOperation]: Start isEquivalent. First operand 140 states. Second operand has 140 states, 117 states have (on average 1.3846153846153846) internal successors, (162), 139 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:01,490 INFO L74 IsIncluded]: Start isIncluded. First operand 140 states. Second operand has 140 states, 117 states have (on average 1.3846153846153846) internal successors, (162), 139 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:01,490 INFO L87 Difference]: Start difference. First operand 140 states. Second operand has 140 states, 117 states have (on average 1.3846153846153846) internal successors, (162), 139 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:01,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:01,491 INFO L93 Difference]: Finished difference Result 140 states and 162 transitions. [2022-02-20 23:54:01,492 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2022-02-20 23:54:01,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:01,492 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:01,492 INFO L74 IsIncluded]: Start isIncluded. First operand has 140 states, 117 states have (on average 1.3846153846153846) internal successors, (162), 139 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 140 states. [2022-02-20 23:54:01,492 INFO L87 Difference]: Start difference. First operand has 140 states, 117 states have (on average 1.3846153846153846) internal successors, (162), 139 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 140 states. [2022-02-20 23:54:01,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:01,494 INFO L93 Difference]: Finished difference Result 140 states and 162 transitions. [2022-02-20 23:54:01,494 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2022-02-20 23:54:01,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:01,494 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:01,494 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:01,494 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:01,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 117 states have (on average 1.3846153846153846) internal successors, (162), 139 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:01,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2022-02-20 23:54:01,496 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 23 [2022-02-20 23:54:01,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:01,496 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2022-02-20 23:54:01,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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 23:54:01,496 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2022-02-20 23:54:01,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 23:54:01,497 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:01,497 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 23:54:01,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-20 23:54:01,497 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:01,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:01,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1628462334, now seen corresponding path program 1 times [2022-02-20 23:54:01,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:01,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604805704] [2022-02-20 23:54:01,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:01,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:01,608 INFO L290 TraceCheckUtils]: 0: Hoare triple {8167#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(17, 2); {8167#true} is VALID [2022-02-20 23:54:01,608 INFO L290 TraceCheckUtils]: 1: Hoare triple {8167#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {8167#true} is VALID [2022-02-20 23:54:01,608 INFO L290 TraceCheckUtils]: 2: Hoare triple {8167#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {8167#true} is VALID [2022-02-20 23:54:01,608 INFO L290 TraceCheckUtils]: 3: Hoare triple {8167#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {8167#true} is VALID [2022-02-20 23:54:01,608 INFO L290 TraceCheckUtils]: 4: Hoare triple {8167#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8167#true} is VALID [2022-02-20 23:54:01,608 INFO L290 TraceCheckUtils]: 5: Hoare triple {8167#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {8167#true} is VALID [2022-02-20 23:54:01,609 INFO L290 TraceCheckUtils]: 6: Hoare triple {8167#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {8167#true} is VALID [2022-02-20 23:54:01,609 INFO L290 TraceCheckUtils]: 7: Hoare triple {8167#true} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {8167#true} is VALID [2022-02-20 23:54:01,609 INFO L290 TraceCheckUtils]: 8: Hoare triple {8167#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {8169#(= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)} is VALID [2022-02-20 23:54:01,621 INFO L290 TraceCheckUtils]: 9: Hoare triple {8169#(= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8169#(= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)} is VALID [2022-02-20 23:54:01,622 INFO L290 TraceCheckUtils]: 10: Hoare triple {8169#(= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {8169#(= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)} is VALID [2022-02-20 23:54:01,622 INFO L290 TraceCheckUtils]: 11: Hoare triple {8169#(= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {8169#(= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)} is VALID [2022-02-20 23:54:01,623 INFO L290 TraceCheckUtils]: 12: Hoare triple {8169#(= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8170#(= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|)} is VALID [2022-02-20 23:54:01,624 INFO L290 TraceCheckUtils]: 13: Hoare triple {8170#(= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|)} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {8170#(= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|)} is VALID [2022-02-20 23:54:01,628 INFO L290 TraceCheckUtils]: 14: Hoare triple {8170#(= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|)} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {8171#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:01,629 INFO L290 TraceCheckUtils]: 15: Hoare triple {8171#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} main_#t~short16#1 := 2 == main_#t~mem14#1; {8171#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:01,629 INFO L290 TraceCheckUtils]: 16: Hoare triple {8171#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} assume main_#t~short16#1; {8171#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:01,630 INFO L290 TraceCheckUtils]: 17: Hoare triple {8171#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {8172#(and (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:01,630 INFO L290 TraceCheckUtils]: 18: Hoare triple {8172#(and (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {8171#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:01,631 INFO L290 TraceCheckUtils]: 19: Hoare triple {8171#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} main_#t~short19#1 := main_#t~short16#1; {8171#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:01,631 INFO L290 TraceCheckUtils]: 20: Hoare triple {8171#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} assume main_#t~short19#1; {8171#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:01,632 INFO L290 TraceCheckUtils]: 21: Hoare triple {8171#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {8173#(= 1 (select |#valid| |ULTIMATE.start_main_#t~mem17#1.base|))} is VALID [2022-02-20 23:54:01,632 INFO L290 TraceCheckUtils]: 22: Hoare triple {8173#(= 1 (select |#valid| |ULTIMATE.start_main_#t~mem17#1.base|))} assume !(1 == #valid[main_#t~mem17#1.base]); {8168#false} is VALID [2022-02-20 23:54:01,633 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 23:54:01,633 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:01,633 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604805704] [2022-02-20 23:54:01,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604805704] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:01,633 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:01,634 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:54:01,634 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960723705] [2022-02-20 23:54:01,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:01,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 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 23:54:01,634 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:01,634 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 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 23:54:01,650 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 23:54:01,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:54:01,650 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:01,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:54:01,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:54:01,651 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 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 23:54:02,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:02,463 INFO L93 Difference]: Finished difference Result 269 states and 312 transitions. [2022-02-20 23:54:02,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 23:54:02,464 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 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 23:54:02,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:02,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 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 23:54:02,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 243 transitions. [2022-02-20 23:54:02,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 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 23:54:02,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 243 transitions. [2022-02-20 23:54:02,468 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 243 transitions. [2022-02-20 23:54:02,677 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 243 edges. 243 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:02,680 INFO L225 Difference]: With dead ends: 269 [2022-02-20 23:54:02,680 INFO L226 Difference]: Without dead ends: 269 [2022-02-20 23:54:02,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:54:02,681 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 155 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:02,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 373 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 23:54:02,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-02-20 23:54:02,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 154. [2022-02-20 23:54:02,685 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:02,685 INFO L82 GeneralOperation]: Start isEquivalent. First operand 269 states. Second operand has 154 states, 131 states have (on average 1.3740458015267176) internal successors, (180), 153 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 23:54:02,685 INFO L74 IsIncluded]: Start isIncluded. First operand 269 states. Second operand has 154 states, 131 states have (on average 1.3740458015267176) internal successors, (180), 153 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 23:54:02,686 INFO L87 Difference]: Start difference. First operand 269 states. Second operand has 154 states, 131 states have (on average 1.3740458015267176) internal successors, (180), 153 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 23:54:02,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:02,689 INFO L93 Difference]: Finished difference Result 269 states and 312 transitions. [2022-02-20 23:54:02,689 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 312 transitions. [2022-02-20 23:54:02,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:02,689 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:02,690 INFO L74 IsIncluded]: Start isIncluded. First operand has 154 states, 131 states have (on average 1.3740458015267176) internal successors, (180), 153 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 269 states. [2022-02-20 23:54:02,690 INFO L87 Difference]: Start difference. First operand has 154 states, 131 states have (on average 1.3740458015267176) internal successors, (180), 153 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 269 states. [2022-02-20 23:54:02,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:02,693 INFO L93 Difference]: Finished difference Result 269 states and 312 transitions. [2022-02-20 23:54:02,693 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 312 transitions. [2022-02-20 23:54:02,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:02,694 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:02,694 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:02,694 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:02,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 131 states have (on average 1.3740458015267176) internal successors, (180), 153 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 23:54:02,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 180 transitions. [2022-02-20 23:54:02,696 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 180 transitions. Word has length 23 [2022-02-20 23:54:02,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:02,696 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 180 transitions. [2022-02-20 23:54:02,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 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 23:54:02,697 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 180 transitions. [2022-02-20 23:54:02,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 23:54:02,698 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:02,698 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 23:54:02,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-20 23:54:02,698 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr53REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:02,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:02,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1628462335, now seen corresponding path program 1 times [2022-02-20 23:54:02,699 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:02,699 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511712535] [2022-02-20 23:54:02,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:02,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:02,787 INFO L290 TraceCheckUtils]: 0: Hoare triple {9147#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(17, 2); {9147#true} is VALID [2022-02-20 23:54:02,787 INFO L290 TraceCheckUtils]: 1: Hoare triple {9147#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {9147#true} is VALID [2022-02-20 23:54:02,787 INFO L290 TraceCheckUtils]: 2: Hoare triple {9147#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {9147#true} is VALID [2022-02-20 23:54:02,787 INFO L290 TraceCheckUtils]: 3: Hoare triple {9147#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {9147#true} is VALID [2022-02-20 23:54:02,787 INFO L290 TraceCheckUtils]: 4: Hoare triple {9147#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9147#true} is VALID [2022-02-20 23:54:02,788 INFO L290 TraceCheckUtils]: 5: Hoare triple {9147#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {9147#true} is VALID [2022-02-20 23:54:02,788 INFO L290 TraceCheckUtils]: 6: Hoare triple {9147#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {9147#true} is VALID [2022-02-20 23:54:02,788 INFO L290 TraceCheckUtils]: 7: Hoare triple {9147#true} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {9147#true} is VALID [2022-02-20 23:54:02,789 INFO L290 TraceCheckUtils]: 8: Hoare triple {9147#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {9149#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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 23:54:02,789 INFO L290 TraceCheckUtils]: 9: Hoare triple {9149#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {9149#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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 23:54:02,789 INFO L290 TraceCheckUtils]: 10: Hoare triple {9149#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {9149#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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 23:54:02,790 INFO L290 TraceCheckUtils]: 11: Hoare triple {9149#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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~nondet6#1);havoc main_#t~nondet6#1; {9149#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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 23:54:02,790 INFO L290 TraceCheckUtils]: 12: Hoare triple {9149#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {9150#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:02,791 INFO L290 TraceCheckUtils]: 13: Hoare triple {9150#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {9150#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:02,791 INFO L290 TraceCheckUtils]: 14: Hoare triple {9150#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {9150#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:02,792 INFO L290 TraceCheckUtils]: 15: Hoare triple {9150#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short16#1 := 2 == main_#t~mem14#1; {9150#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:02,792 INFO L290 TraceCheckUtils]: 16: Hoare triple {9150#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume main_#t~short16#1; {9150#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:02,793 INFO L290 TraceCheckUtils]: 17: Hoare triple {9150#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {9151#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem15#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:02,793 INFO L290 TraceCheckUtils]: 18: Hoare triple {9151#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem15#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {9152#(not |ULTIMATE.start_main_#t~short16#1|)} is VALID [2022-02-20 23:54:02,793 INFO L290 TraceCheckUtils]: 19: Hoare triple {9152#(not |ULTIMATE.start_main_#t~short16#1|)} main_#t~short19#1 := main_#t~short16#1; {9153#(not |ULTIMATE.start_main_#t~short19#1|)} is VALID [2022-02-20 23:54:02,794 INFO L290 TraceCheckUtils]: 20: Hoare triple {9153#(not |ULTIMATE.start_main_#t~short19#1|)} assume main_#t~short19#1; {9148#false} is VALID [2022-02-20 23:54:02,794 INFO L290 TraceCheckUtils]: 21: Hoare triple {9148#false} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {9148#false} is VALID [2022-02-20 23:54:02,794 INFO L290 TraceCheckUtils]: 22: Hoare triple {9148#false} assume !(4 + main_#t~mem17#1.offset <= #length[main_#t~mem17#1.base] && 0 <= main_#t~mem17#1.offset); {9148#false} is VALID [2022-02-20 23:54:02,794 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 23:54:02,794 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:02,795 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511712535] [2022-02-20 23:54:02,795 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511712535] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:02,795 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:02,795 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:54:02,795 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241785203] [2022-02-20 23:54:02,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:02,795 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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 23:54:02,795 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:02,796 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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 23:54:02,811 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 23:54:02,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:54:02,811 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:02,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:54:02,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:54:02,812 INFO L87 Difference]: Start difference. First operand 154 states and 180 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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 23:54:03,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:03,690 INFO L93 Difference]: Finished difference Result 279 states and 325 transitions. [2022-02-20 23:54:03,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-20 23:54:03,690 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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 23:54:03,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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 23:54:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 251 transitions. [2022-02-20 23:54:03,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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 23:54:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 251 transitions. [2022-02-20 23:54:03,692 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 251 transitions. [2022-02-20 23:54:03,863 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 251 edges. 251 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:03,866 INFO L225 Difference]: With dead ends: 279 [2022-02-20 23:54:03,866 INFO L226 Difference]: Without dead ends: 279 [2022-02-20 23:54:03,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-02-20 23:54:03,867 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 164 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:03,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 469 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:54:03,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-02-20 23:54:03,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 150. [2022-02-20 23:54:03,869 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:03,870 INFO L82 GeneralOperation]: Start isEquivalent. First operand 279 states. Second operand has 150 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 149 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 23:54:03,870 INFO L74 IsIncluded]: Start isIncluded. First operand 279 states. Second operand has 150 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 149 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 23:54:03,870 INFO L87 Difference]: Start difference. First operand 279 states. Second operand has 150 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 149 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 23:54:03,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:03,873 INFO L93 Difference]: Finished difference Result 279 states and 325 transitions. [2022-02-20 23:54:03,873 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 325 transitions. [2022-02-20 23:54:03,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:03,874 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:03,874 INFO L74 IsIncluded]: Start isIncluded. First operand has 150 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 149 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 279 states. [2022-02-20 23:54:03,874 INFO L87 Difference]: Start difference. First operand has 150 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 149 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 279 states. [2022-02-20 23:54:03,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:03,879 INFO L93 Difference]: Finished difference Result 279 states and 325 transitions. [2022-02-20 23:54:03,879 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 325 transitions. [2022-02-20 23:54:03,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:03,880 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:03,880 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:03,880 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:03,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 149 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 23:54:03,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 174 transitions. [2022-02-20 23:54:03,882 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 174 transitions. Word has length 23 [2022-02-20 23:54:03,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:03,882 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 174 transitions. [2022-02-20 23:54:03,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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 23:54:03,883 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 174 transitions. [2022-02-20 23:54:03,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 23:54:03,885 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:03,885 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] [2022-02-20 23:54:03,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-20 23:54:03,885 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:03,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:03,886 INFO L85 PathProgramCache]: Analyzing trace with hash 375423567, now seen corresponding path program 1 times [2022-02-20 23:54:03,886 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:03,886 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175070328] [2022-02-20 23:54:03,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:03,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:03,987 INFO L290 TraceCheckUtils]: 0: Hoare triple {10163#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(17, 2); {10163#true} is VALID [2022-02-20 23:54:03,987 INFO L290 TraceCheckUtils]: 1: Hoare triple {10163#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {10165#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:03,988 INFO L290 TraceCheckUtils]: 2: Hoare triple {10165#(= |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 {10165#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:03,988 INFO L290 TraceCheckUtils]: 3: Hoare triple {10165#(= |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 {10165#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:03,988 INFO L290 TraceCheckUtils]: 4: Hoare triple {10165#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {10165#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:03,989 INFO L290 TraceCheckUtils]: 5: Hoare triple {10165#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {10165#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:03,993 INFO L290 TraceCheckUtils]: 6: Hoare triple {10165#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {10165#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:03,994 INFO L290 TraceCheckUtils]: 7: Hoare triple {10165#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {10165#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:03,995 INFO L290 TraceCheckUtils]: 8: Hoare triple {10165#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {10166#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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 23:54:03,996 INFO L290 TraceCheckUtils]: 9: Hoare triple {10166#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {10166#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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 23:54:03,999 INFO L290 TraceCheckUtils]: 10: Hoare triple {10166#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {10166#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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 23:54:04,000 INFO L290 TraceCheckUtils]: 11: Hoare triple {10166#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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~nondet6#1);havoc main_#t~nondet6#1; {10166#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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 23:54:04,001 INFO L290 TraceCheckUtils]: 12: Hoare triple {10166#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:04,002 INFO L290 TraceCheckUtils]: 13: Hoare triple {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:04,003 INFO L290 TraceCheckUtils]: 14: Hoare triple {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:04,004 INFO L290 TraceCheckUtils]: 15: Hoare triple {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short16#1 := 2 == main_#t~mem14#1; {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:04,005 INFO L290 TraceCheckUtils]: 16: Hoare triple {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short16#1; {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:04,006 INFO L290 TraceCheckUtils]: 17: Hoare triple {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short19#1 := main_#t~short16#1; {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:04,007 INFO L290 TraceCheckUtils]: 18: Hoare triple {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short19#1; {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:04,009 INFO L290 TraceCheckUtils]: 19: Hoare triple {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short21#1 := main_#t~short19#1; {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:04,010 INFO L290 TraceCheckUtils]: 20: Hoare triple {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short21#1; {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:04,010 INFO L290 TraceCheckUtils]: 21: Hoare triple {10167#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {10168#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem20#1.base|) (= |ULTIMATE.start_main_#t~mem20#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:04,011 INFO L290 TraceCheckUtils]: 22: Hoare triple {10168#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem20#1.base|) (= |ULTIMATE.start_main_#t~mem20#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {10169#|ULTIMATE.start_main_#t~short21#1|} is VALID [2022-02-20 23:54:04,011 INFO L290 TraceCheckUtils]: 23: Hoare triple {10169#|ULTIMATE.start_main_#t~short21#1|} assume !main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {10164#false} is VALID [2022-02-20 23:54:04,011 INFO L290 TraceCheckUtils]: 24: Hoare triple {10164#false} assume !false; {10164#false} is VALID [2022-02-20 23:54:04,012 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 23:54:04,012 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:04,012 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175070328] [2022-02-20 23:54:04,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175070328] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:04,014 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:04,014 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:54:04,014 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785810341] [2022-02-20 23:54:04,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:04,015 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-02-20 23:54:04,016 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:04,016 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:04,035 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:04,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:54:04,036 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:04,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:54:04,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:54:04,036 INFO L87 Difference]: Start difference. First operand 150 states and 174 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:04,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:04,728 INFO L93 Difference]: Finished difference Result 225 states and 256 transitions. [2022-02-20 23:54:04,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 23:54:04,729 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-02-20 23:54:04,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:04,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:04,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 202 transitions. [2022-02-20 23:54:04,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:04,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 202 transitions. [2022-02-20 23:54:04,731 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 202 transitions. [2022-02-20 23:54:04,877 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 23:54:04,879 INFO L225 Difference]: With dead ends: 225 [2022-02-20 23:54:04,879 INFO L226 Difference]: Without dead ends: 225 [2022-02-20 23:54:04,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-02-20 23:54:04,880 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 180 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:04,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 372 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:54:04,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2022-02-20 23:54:04,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 156. [2022-02-20 23:54:04,882 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:04,882 INFO L82 GeneralOperation]: Start isEquivalent. First operand 225 states. Second operand has 156 states, 133 states have (on average 1.3609022556390977) internal successors, (181), 155 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:04,883 INFO L74 IsIncluded]: Start isIncluded. First operand 225 states. Second operand has 156 states, 133 states have (on average 1.3609022556390977) internal successors, (181), 155 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:04,883 INFO L87 Difference]: Start difference. First operand 225 states. Second operand has 156 states, 133 states have (on average 1.3609022556390977) internal successors, (181), 155 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:04,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:04,886 INFO L93 Difference]: Finished difference Result 225 states and 256 transitions. [2022-02-20 23:54:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 256 transitions. [2022-02-20 23:54:04,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:04,886 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:04,886 INFO L74 IsIncluded]: Start isIncluded. First operand has 156 states, 133 states have (on average 1.3609022556390977) internal successors, (181), 155 states have internal predecessors, (181), 0 states have call successors, (0), 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 225 states. [2022-02-20 23:54:04,886 INFO L87 Difference]: Start difference. First operand has 156 states, 133 states have (on average 1.3609022556390977) internal successors, (181), 155 states have internal predecessors, (181), 0 states have call successors, (0), 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 225 states. [2022-02-20 23:54:04,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:04,889 INFO L93 Difference]: Finished difference Result 225 states and 256 transitions. [2022-02-20 23:54:04,889 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 256 transitions. [2022-02-20 23:54:04,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:04,890 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:04,890 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:04,890 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 133 states have (on average 1.3609022556390977) internal successors, (181), 155 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 181 transitions. [2022-02-20 23:54:04,892 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 181 transitions. Word has length 25 [2022-02-20 23:54:04,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:04,892 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 181 transitions. [2022-02-20 23:54:04,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 181 transitions. [2022-02-20 23:54:04,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 23:54:04,893 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:04,893 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 23:54:04,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-20 23:54:04,893 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:04,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:04,893 INFO L85 PathProgramCache]: Analyzing trace with hash 729704446, now seen corresponding path program 1 times [2022-02-20 23:54:04,894 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:04,894 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116265427] [2022-02-20 23:54:04,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:04,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:04,972 INFO L290 TraceCheckUtils]: 0: Hoare triple {11017#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(17, 2); {11017#true} is VALID [2022-02-20 23:54:04,972 INFO L290 TraceCheckUtils]: 1: Hoare triple {11017#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {11017#true} is VALID [2022-02-20 23:54:04,972 INFO L290 TraceCheckUtils]: 2: Hoare triple {11017#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {11019#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:04,973 INFO L290 TraceCheckUtils]: 3: Hoare triple {11019#(= (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 {11019#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:04,973 INFO L290 TraceCheckUtils]: 4: Hoare triple {11019#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11019#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:04,973 INFO L290 TraceCheckUtils]: 5: Hoare triple {11019#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; {11019#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:04,974 INFO L290 TraceCheckUtils]: 6: Hoare triple {11019#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(2, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-1 {11019#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:04,974 INFO L290 TraceCheckUtils]: 7: Hoare triple {11019#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(16); {11020#(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))} is VALID [2022-02-20 23:54:04,975 INFO L290 TraceCheckUtils]: 8: Hoare triple {11020#(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))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-3 {11021#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:04,976 INFO L290 TraceCheckUtils]: 9: Hoare triple {11021#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {11021#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:04,976 INFO L290 TraceCheckUtils]: 10: Hoare triple {11021#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-5 {11022#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:04,977 INFO L290 TraceCheckUtils]: 11: Hoare triple {11022#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem4#1.base, main_#t~mem4#1.offset, 4); srcloc: L1000-6 {11023#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1)} is VALID [2022-02-20 23:54:04,977 INFO L290 TraceCheckUtils]: 12: Hoare triple {11023#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1)} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {11023#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1)} is VALID [2022-02-20 23:54:04,977 INFO L290 TraceCheckUtils]: 13: Hoare triple {11023#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {11023#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1)} is VALID [2022-02-20 23:54:04,978 INFO L290 TraceCheckUtils]: 14: Hoare triple {11023#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {11023#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1)} is VALID [2022-02-20 23:54:04,978 INFO L290 TraceCheckUtils]: 15: Hoare triple {11023#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1)} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {11023#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1)} is VALID [2022-02-20 23:54:04,978 INFO L290 TraceCheckUtils]: 16: Hoare triple {11023#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} is VALID [2022-02-20 23:54:04,979 INFO L290 TraceCheckUtils]: 17: Hoare triple {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} is VALID [2022-02-20 23:54:04,979 INFO L290 TraceCheckUtils]: 18: Hoare triple {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} is VALID [2022-02-20 23:54:04,980 INFO L290 TraceCheckUtils]: 19: Hoare triple {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} main_#t~short16#1 := 2 == main_#t~mem14#1; {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} is VALID [2022-02-20 23:54:04,980 INFO L290 TraceCheckUtils]: 20: Hoare triple {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} assume main_#t~short16#1; {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} is VALID [2022-02-20 23:54:04,980 INFO L290 TraceCheckUtils]: 21: Hoare triple {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} is VALID [2022-02-20 23:54:04,981 INFO L290 TraceCheckUtils]: 22: Hoare triple {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} is VALID [2022-02-20 23:54:04,981 INFO L290 TraceCheckUtils]: 23: Hoare triple {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} main_#t~short19#1 := main_#t~short16#1; {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} is VALID [2022-02-20 23:54:04,982 INFO L290 TraceCheckUtils]: 24: Hoare triple {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} assume main_#t~short19#1; {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} is VALID [2022-02-20 23:54:04,982 INFO L290 TraceCheckUtils]: 25: Hoare triple {11024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {11025#(= 1 (select |#valid| |ULTIMATE.start_main_#t~mem17#1.base|))} is VALID [2022-02-20 23:54:04,983 INFO L290 TraceCheckUtils]: 26: Hoare triple {11025#(= 1 (select |#valid| |ULTIMATE.start_main_#t~mem17#1.base|))} assume !(1 == #valid[main_#t~mem17#1.base]); {11018#false} is VALID [2022-02-20 23:54:04,983 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 23:54:04,983 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:04,983 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116265427] [2022-02-20 23:54:04,983 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116265427] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:04,983 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:04,983 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 23:54:04,984 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83620119] [2022-02-20 23:54:04,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:04,999 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 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 23:54:04,999 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:05,000 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:05,020 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:05,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 23:54:05,021 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:05,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 23:54:05,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:54:05,021 INFO L87 Difference]: Start difference. First operand 156 states and 181 transitions. Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:06,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:06,164 INFO L93 Difference]: Finished difference Result 318 states and 365 transitions. [2022-02-20 23:54:06,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 23:54:06,164 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 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 23:54:06,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:06,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:06,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 301 transitions. [2022-02-20 23:54:06,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:06,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 301 transitions. [2022-02-20 23:54:06,168 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 301 transitions. [2022-02-20 23:54:06,356 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 301 edges. 301 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:06,360 INFO L225 Difference]: With dead ends: 318 [2022-02-20 23:54:06,360 INFO L226 Difference]: Without dead ends: 318 [2022-02-20 23:54:06,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2022-02-20 23:54:06,361 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 345 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:06,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [345 Valid, 497 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 23:54:06,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-02-20 23:54:06,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 169. [2022-02-20 23:54:06,363 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:06,364 INFO L82 GeneralOperation]: Start isEquivalent. First operand 318 states. Second operand has 169 states, 146 states have (on average 1.356164383561644) internal successors, (198), 168 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:06,364 INFO L74 IsIncluded]: Start isIncluded. First operand 318 states. Second operand has 169 states, 146 states have (on average 1.356164383561644) internal successors, (198), 168 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:06,364 INFO L87 Difference]: Start difference. First operand 318 states. Second operand has 169 states, 146 states have (on average 1.356164383561644) internal successors, (198), 168 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:06,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:06,368 INFO L93 Difference]: Finished difference Result 318 states and 365 transitions. [2022-02-20 23:54:06,369 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 365 transitions. [2022-02-20 23:54:06,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:06,379 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:06,380 INFO L74 IsIncluded]: Start isIncluded. First operand has 169 states, 146 states have (on average 1.356164383561644) internal successors, (198), 168 states have internal predecessors, (198), 0 states have call successors, (0), 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 318 states. [2022-02-20 23:54:06,380 INFO L87 Difference]: Start difference. First operand has 169 states, 146 states have (on average 1.356164383561644) internal successors, (198), 168 states have internal predecessors, (198), 0 states have call successors, (0), 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 318 states. [2022-02-20 23:54:06,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:06,384 INFO L93 Difference]: Finished difference Result 318 states and 365 transitions. [2022-02-20 23:54:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 365 transitions. [2022-02-20 23:54:06,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:06,384 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:06,385 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:06,385 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:06,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 146 states have (on average 1.356164383561644) internal successors, (198), 168 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 198 transitions. [2022-02-20 23:54:06,387 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 198 transitions. Word has length 27 [2022-02-20 23:54:06,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:06,387 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 198 transitions. [2022-02-20 23:54:06,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:06,387 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 198 transitions. [2022-02-20 23:54:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 23:54:06,387 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:06,387 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 23:54:06,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-20 23:54:06,388 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr53REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:06,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:06,388 INFO L85 PathProgramCache]: Analyzing trace with hash 729704447, now seen corresponding path program 1 times [2022-02-20 23:54:06,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:06,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944264999] [2022-02-20 23:54:06,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:06,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:06,542 INFO L290 TraceCheckUtils]: 0: Hoare triple {12177#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(17, 2); {12177#true} is VALID [2022-02-20 23:54:06,542 INFO L290 TraceCheckUtils]: 1: Hoare triple {12177#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {12179#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:06,543 INFO L290 TraceCheckUtils]: 2: Hoare triple {12179#(= |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 {12180#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:06,543 INFO L290 TraceCheckUtils]: 3: Hoare triple {12180#(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 {12180#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:06,544 INFO L290 TraceCheckUtils]: 4: Hoare triple {12180#(and (= |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; {12180#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:06,544 INFO L290 TraceCheckUtils]: 5: Hoare triple {12180#(and (= |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; {12180#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:06,544 INFO L290 TraceCheckUtils]: 6: Hoare triple {12180#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(2, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-1 {12180#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:06,545 INFO L290 TraceCheckUtils]: 7: Hoare triple {12180#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(16); {12181#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (<= 16 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:06,546 INFO L290 TraceCheckUtils]: 8: Hoare triple {12181#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (<= 16 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-3 {12182#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:54:06,546 INFO L290 TraceCheckUtils]: 9: Hoare triple {12182#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |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; {12182#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:54:06,547 INFO L290 TraceCheckUtils]: 10: Hoare triple {12182#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |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_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-5 {12183#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:54:06,547 INFO L290 TraceCheckUtils]: 11: Hoare triple {12183#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem4#1.base, main_#t~mem4#1.offset, 4); srcloc: L1000-6 {12184#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:54:06,548 INFO L290 TraceCheckUtils]: 12: Hoare triple {12184#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |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; {12184#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:54:06,548 INFO L290 TraceCheckUtils]: 13: Hoare triple {12184#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {12184#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:54:06,549 INFO L290 TraceCheckUtils]: 14: Hoare triple {12184#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {12184#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:54:06,549 INFO L290 TraceCheckUtils]: 15: Hoare triple {12184#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {12184#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:54:06,550 INFO L290 TraceCheckUtils]: 16: Hoare triple {12184#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:06,550 INFO L290 TraceCheckUtils]: 17: Hoare triple {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:06,551 INFO L290 TraceCheckUtils]: 18: Hoare triple {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:06,551 INFO L290 TraceCheckUtils]: 19: Hoare triple {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short16#1 := 2 == main_#t~mem14#1; {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:06,552 INFO L290 TraceCheckUtils]: 20: Hoare triple {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume main_#t~short16#1; {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:06,552 INFO L290 TraceCheckUtils]: 21: Hoare triple {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:06,552 INFO L290 TraceCheckUtils]: 22: Hoare triple {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:06,553 INFO L290 TraceCheckUtils]: 23: Hoare triple {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short19#1 := main_#t~short16#1; {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:06,553 INFO L290 TraceCheckUtils]: 24: Hoare triple {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume main_#t~short19#1; {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:06,554 INFO L290 TraceCheckUtils]: 25: Hoare triple {12185#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {12186#(and (<= 16 (select |#length| |ULTIMATE.start_main_#t~mem17#1.base|)) (= |ULTIMATE.start_main_#t~mem17#1.offset| 0))} is VALID [2022-02-20 23:54:06,554 INFO L290 TraceCheckUtils]: 26: Hoare triple {12186#(and (<= 16 (select |#length| |ULTIMATE.start_main_#t~mem17#1.base|)) (= |ULTIMATE.start_main_#t~mem17#1.offset| 0))} assume !(4 + main_#t~mem17#1.offset <= #length[main_#t~mem17#1.base] && 0 <= main_#t~mem17#1.offset); {12178#false} is VALID [2022-02-20 23:54:06,555 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 23:54:06,555 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:06,556 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944264999] [2022-02-20 23:54:06,556 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944264999] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:06,556 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:06,556 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-20 23:54:06,556 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758446460] [2022-02-20 23:54:06,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:06,556 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 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 23:54:06,557 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:06,557 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:06,575 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:06,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-20 23:54:06,576 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:06,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-20 23:54:06,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-20 23:54:06,576 INFO L87 Difference]: Start difference. First operand 169 states and 198 transitions. Second operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:07,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:07,793 INFO L93 Difference]: Finished difference Result 251 states and 287 transitions. [2022-02-20 23:54:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-20 23:54:07,794 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 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 23:54:07,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:07,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 214 transitions. [2022-02-20 23:54:07,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:07,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 214 transitions. [2022-02-20 23:54:07,796 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 214 transitions. [2022-02-20 23:54:08,030 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 214 edges. 214 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:08,033 INFO L225 Difference]: With dead ends: 251 [2022-02-20 23:54:08,033 INFO L226 Difference]: Without dead ends: 251 [2022-02-20 23:54:08,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-02-20 23:54:08,034 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 350 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:08,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [350 Valid, 495 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 23:54:08,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-02-20 23:54:08,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 169. [2022-02-20 23:54:08,036 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:08,036 INFO L82 GeneralOperation]: Start isEquivalent. First operand 251 states. Second operand has 169 states, 146 states have (on average 1.3493150684931507) internal successors, (197), 168 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,037 INFO L74 IsIncluded]: Start isIncluded. First operand 251 states. Second operand has 169 states, 146 states have (on average 1.3493150684931507) internal successors, (197), 168 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,037 INFO L87 Difference]: Start difference. First operand 251 states. Second operand has 169 states, 146 states have (on average 1.3493150684931507) internal successors, (197), 168 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:08,040 INFO L93 Difference]: Finished difference Result 251 states and 287 transitions. [2022-02-20 23:54:08,040 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 287 transitions. [2022-02-20 23:54:08,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:08,041 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:08,041 INFO L74 IsIncluded]: Start isIncluded. First operand has 169 states, 146 states have (on average 1.3493150684931507) internal successors, (197), 168 states have internal predecessors, (197), 0 states have call successors, (0), 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 251 states. [2022-02-20 23:54:08,042 INFO L87 Difference]: Start difference. First operand has 169 states, 146 states have (on average 1.3493150684931507) internal successors, (197), 168 states have internal predecessors, (197), 0 states have call successors, (0), 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 251 states. [2022-02-20 23:54:08,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:08,045 INFO L93 Difference]: Finished difference Result 251 states and 287 transitions. [2022-02-20 23:54:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 287 transitions. [2022-02-20 23:54:08,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:08,045 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:08,045 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:08,045 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:08,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 146 states have (on average 1.3493150684931507) internal successors, (197), 168 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 197 transitions. [2022-02-20 23:54:08,047 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 197 transitions. Word has length 27 [2022-02-20 23:54:08,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:08,048 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 197 transitions. [2022-02-20 23:54:08,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.0) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,048 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 197 transitions. [2022-02-20 23:54:08,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 23:54:08,048 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:08,048 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] [2022-02-20 23:54:08,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-20 23:54:08,049 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr46REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:08,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:08,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1443803627, now seen corresponding path program 1 times [2022-02-20 23:54:08,049 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:08,049 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359117297] [2022-02-20 23:54:08,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:08,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:08,085 INFO L290 TraceCheckUtils]: 0: Hoare triple {13127#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(17, 2); {13127#true} is VALID [2022-02-20 23:54:08,085 INFO L290 TraceCheckUtils]: 1: Hoare triple {13127#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {13127#true} is VALID [2022-02-20 23:54:08,085 INFO L290 TraceCheckUtils]: 2: Hoare triple {13127#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {13127#true} is VALID [2022-02-20 23:54:08,085 INFO L290 TraceCheckUtils]: 3: Hoare triple {13127#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {13127#true} is VALID [2022-02-20 23:54:08,086 INFO L290 TraceCheckUtils]: 4: Hoare triple {13127#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13127#true} is VALID [2022-02-20 23:54:08,086 INFO L290 TraceCheckUtils]: 5: Hoare triple {13127#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {13127#true} is VALID [2022-02-20 23:54:08,086 INFO L290 TraceCheckUtils]: 6: Hoare triple {13127#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {13127#true} is VALID [2022-02-20 23:54:08,086 INFO L290 TraceCheckUtils]: 7: Hoare triple {13127#true} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {13127#true} is VALID [2022-02-20 23:54:08,086 INFO L290 TraceCheckUtils]: 8: Hoare triple {13127#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {13127#true} is VALID [2022-02-20 23:54:08,086 INFO L290 TraceCheckUtils]: 9: Hoare triple {13127#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {13127#true} is VALID [2022-02-20 23:54:08,086 INFO L290 TraceCheckUtils]: 10: Hoare triple {13127#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {13127#true} is VALID [2022-02-20 23:54:08,086 INFO L290 TraceCheckUtils]: 11: Hoare triple {13127#true} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {13127#true} is VALID [2022-02-20 23:54:08,086 INFO L290 TraceCheckUtils]: 12: Hoare triple {13127#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {13127#true} is VALID [2022-02-20 23:54:08,087 INFO L290 TraceCheckUtils]: 13: Hoare triple {13127#true} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {13127#true} is VALID [2022-02-20 23:54:08,087 INFO L290 TraceCheckUtils]: 14: Hoare triple {13127#true} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {13127#true} is VALID [2022-02-20 23:54:08,087 INFO L290 TraceCheckUtils]: 15: Hoare triple {13127#true} main_#t~short16#1 := 2 == main_#t~mem14#1; {13127#true} is VALID [2022-02-20 23:54:08,087 INFO L290 TraceCheckUtils]: 16: Hoare triple {13127#true} assume !main_#t~short16#1; {13127#true} is VALID [2022-02-20 23:54:08,087 INFO L290 TraceCheckUtils]: 17: Hoare triple {13127#true} main_#t~short19#1 := main_#t~short16#1; {13127#true} is VALID [2022-02-20 23:54:08,088 INFO L290 TraceCheckUtils]: 18: Hoare triple {13127#true} assume !main_#t~short19#1; {13129#(not |ULTIMATE.start_main_#t~short19#1|)} is VALID [2022-02-20 23:54:08,088 INFO L290 TraceCheckUtils]: 19: Hoare triple {13129#(not |ULTIMATE.start_main_#t~short19#1|)} main_#t~short21#1 := main_#t~short19#1; {13130#(not |ULTIMATE.start_main_#t~short21#1|)} is VALID [2022-02-20 23:54:08,088 INFO L290 TraceCheckUtils]: 20: Hoare triple {13130#(not |ULTIMATE.start_main_#t~short21#1|)} assume main_#t~short21#1; {13128#false} is VALID [2022-02-20 23:54:08,089 INFO L290 TraceCheckUtils]: 21: Hoare triple {13128#false} assume !!main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {13128#false} is VALID [2022-02-20 23:54:08,089 INFO L290 TraceCheckUtils]: 22: Hoare triple {13128#false} goto; {13128#false} is VALID [2022-02-20 23:54:08,089 INFO L290 TraceCheckUtils]: 23: Hoare triple {13128#false} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009-22 {13128#false} is VALID [2022-02-20 23:54:08,089 INFO L290 TraceCheckUtils]: 24: Hoare triple {13128#false} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {13128#false} is VALID [2022-02-20 23:54:08,089 INFO L290 TraceCheckUtils]: 25: Hoare triple {13128#false} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {13128#false} is VALID [2022-02-20 23:54:08,089 INFO L290 TraceCheckUtils]: 26: Hoare triple {13128#false} assume !(1 == #valid[main_~x~0#1.base]); {13128#false} is VALID [2022-02-20 23:54:08,089 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 23:54:08,090 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:08,090 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359117297] [2022-02-20 23:54:08,090 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359117297] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:08,090 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:08,090 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:54:08,090 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97738019] [2022-02-20 23:54:08,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:08,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 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 23:54:08,091 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:08,092 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,105 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:08,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:54:08,105 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:08,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:54:08,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:54:08,106 INFO L87 Difference]: Start difference. First operand 169 states and 197 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:08,264 INFO L93 Difference]: Finished difference Result 181 states and 210 transitions. [2022-02-20 23:54:08,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:54:08,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 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 23:54:08,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:08,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 120 transitions. [2022-02-20 23:54:08,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 120 transitions. [2022-02-20 23:54:08,266 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 120 transitions. [2022-02-20 23:54:08,329 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:08,331 INFO L225 Difference]: With dead ends: 181 [2022-02-20 23:54:08,331 INFO L226 Difference]: Without dead ends: 181 [2022-02-20 23:54:08,331 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 23:54:08,332 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 10 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:08,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 317 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:54:08,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-02-20 23:54:08,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 173. [2022-02-20 23:54:08,334 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:08,335 INFO L82 GeneralOperation]: Start isEquivalent. First operand 181 states. Second operand has 173 states, 150 states have (on average 1.3333333333333333) internal successors, (200), 172 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,335 INFO L74 IsIncluded]: Start isIncluded. First operand 181 states. Second operand has 173 states, 150 states have (on average 1.3333333333333333) internal successors, (200), 172 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,335 INFO L87 Difference]: Start difference. First operand 181 states. Second operand has 173 states, 150 states have (on average 1.3333333333333333) internal successors, (200), 172 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:08,337 INFO L93 Difference]: Finished difference Result 181 states and 210 transitions. [2022-02-20 23:54:08,337 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 210 transitions. [2022-02-20 23:54:08,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:08,337 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:08,337 INFO L74 IsIncluded]: Start isIncluded. First operand has 173 states, 150 states have (on average 1.3333333333333333) internal successors, (200), 172 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 181 states. [2022-02-20 23:54:08,338 INFO L87 Difference]: Start difference. First operand has 173 states, 150 states have (on average 1.3333333333333333) internal successors, (200), 172 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 181 states. [2022-02-20 23:54:08,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:08,339 INFO L93 Difference]: Finished difference Result 181 states and 210 transitions. [2022-02-20 23:54:08,339 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 210 transitions. [2022-02-20 23:54:08,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:08,340 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:08,340 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:08,340 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:08,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 150 states have (on average 1.3333333333333333) internal successors, (200), 172 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 200 transitions. [2022-02-20 23:54:08,343 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 200 transitions. Word has length 27 [2022-02-20 23:54:08,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:08,343 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 200 transitions. [2022-02-20 23:54:08,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,343 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 200 transitions. [2022-02-20 23:54:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 23:54:08,344 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:08,344 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, 1] [2022-02-20 23:54:08,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-20 23:54:08,344 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr36REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:08,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:08,345 INFO L85 PathProgramCache]: Analyzing trace with hash 17756513, now seen corresponding path program 1 times [2022-02-20 23:54:08,345 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:08,345 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900357448] [2022-02-20 23:54:08,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:08,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:08,395 INFO L290 TraceCheckUtils]: 0: Hoare triple {13851#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(17, 2); {13851#true} is VALID [2022-02-20 23:54:08,396 INFO L290 TraceCheckUtils]: 1: Hoare triple {13851#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {13851#true} is VALID [2022-02-20 23:54:08,396 INFO L290 TraceCheckUtils]: 2: Hoare triple {13851#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {13851#true} is VALID [2022-02-20 23:54:08,396 INFO L290 TraceCheckUtils]: 3: Hoare triple {13851#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {13851#true} is VALID [2022-02-20 23:54:08,396 INFO L290 TraceCheckUtils]: 4: Hoare triple {13851#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13851#true} is VALID [2022-02-20 23:54:08,396 INFO L290 TraceCheckUtils]: 5: Hoare triple {13851#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {13851#true} is VALID [2022-02-20 23:54:08,396 INFO L290 TraceCheckUtils]: 6: Hoare triple {13851#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {13851#true} is VALID [2022-02-20 23:54:08,396 INFO L290 TraceCheckUtils]: 7: Hoare triple {13851#true} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {13851#true} is VALID [2022-02-20 23:54:08,396 INFO L290 TraceCheckUtils]: 8: Hoare triple {13851#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {13851#true} is VALID [2022-02-20 23:54:08,397 INFO L290 TraceCheckUtils]: 9: Hoare triple {13851#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {13851#true} is VALID [2022-02-20 23:54:08,397 INFO L290 TraceCheckUtils]: 10: Hoare triple {13851#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {13851#true} is VALID [2022-02-20 23:54:08,397 INFO L290 TraceCheckUtils]: 11: Hoare triple {13851#true} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {13851#true} is VALID [2022-02-20 23:54:08,397 INFO L290 TraceCheckUtils]: 12: Hoare triple {13851#true} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {13851#true} is VALID [2022-02-20 23:54:08,397 INFO L290 TraceCheckUtils]: 13: Hoare triple {13851#true} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {13851#true} is VALID [2022-02-20 23:54:08,397 INFO L290 TraceCheckUtils]: 14: Hoare triple {13851#true} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {13851#true} is VALID [2022-02-20 23:54:08,397 INFO L290 TraceCheckUtils]: 15: Hoare triple {13851#true} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_#t~mem8#1.base, 4 + main_#t~mem8#1.offset, 4); srcloc: L1003-6 {13851#true} is VALID [2022-02-20 23:54:08,397 INFO L290 TraceCheckUtils]: 16: Hoare triple {13851#true} havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {13851#true} is VALID [2022-02-20 23:54:08,397 INFO L290 TraceCheckUtils]: 17: Hoare triple {13851#true} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-8 {13851#true} is VALID [2022-02-20 23:54:08,398 INFO L290 TraceCheckUtils]: 18: Hoare triple {13851#true} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {13851#true} is VALID [2022-02-20 23:54:08,398 INFO L290 TraceCheckUtils]: 19: Hoare triple {13851#true} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-10 {13851#true} is VALID [2022-02-20 23:54:08,398 INFO L290 TraceCheckUtils]: 20: Hoare triple {13851#true} assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647; {13851#true} is VALID [2022-02-20 23:54:08,398 INFO L290 TraceCheckUtils]: 21: Hoare triple {13851#true} assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1; {13851#true} is VALID [2022-02-20 23:54:08,398 INFO L290 TraceCheckUtils]: 22: Hoare triple {13851#true} SUMMARY for call write~int(2, main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1003-13 {13851#true} is VALID [2022-02-20 23:54:08,399 INFO L290 TraceCheckUtils]: 23: Hoare triple {13851#true} call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnHeap(16); {13853#(= (select |#valid| |ULTIMATE.start_main_#t~malloc11#1.base|) 1)} is VALID [2022-02-20 23:54:08,399 INFO L290 TraceCheckUtils]: 24: Hoare triple {13853#(= (select |#valid| |ULTIMATE.start_main_#t~malloc11#1.base|) 1)} SUMMARY for call write~$Pointer$(main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1003-15 {13854#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} is VALID [2022-02-20 23:54:08,400 INFO L290 TraceCheckUtils]: 25: Hoare triple {13854#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset; {13854#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} is VALID [2022-02-20 23:54:08,400 INFO L290 TraceCheckUtils]: 26: Hoare triple {13854#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1003-17 {13855#(= (select |#valid| |ULTIMATE.start_main_#t~mem12#1.base|) 1)} is VALID [2022-02-20 23:54:08,401 INFO L290 TraceCheckUtils]: 27: Hoare triple {13855#(= (select |#valid| |ULTIMATE.start_main_#t~mem12#1.base|) 1)} assume !(1 == #valid[main_#t~mem12#1.base]); {13852#false} is VALID [2022-02-20 23:54:08,401 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 23:54:08,401 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:08,401 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900357448] [2022-02-20 23:54:08,401 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900357448] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:08,401 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:08,402 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:54:08,402 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884252701] [2022-02-20 23:54:08,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:08,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2022-02-20 23:54:08,402 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:08,402 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,416 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:08,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:54:08,417 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:08,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:54:08,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:54:08,417 INFO L87 Difference]: Start difference. First operand 173 states and 200 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:08,793 INFO L93 Difference]: Finished difference Result 182 states and 210 transitions. [2022-02-20 23:54:08,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:54:08,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2022-02-20 23:54:08,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:08,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 123 transitions. [2022-02-20 23:54:08,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 123 transitions. [2022-02-20 23:54:08,795 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 123 transitions. [2022-02-20 23:54:08,872 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 123 edges. 123 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:08,874 INFO L225 Difference]: With dead ends: 182 [2022-02-20 23:54:08,874 INFO L226 Difference]: Without dead ends: 182 [2022-02-20 23:54:08,874 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 23:54:08,875 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 10 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:08,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 296 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:54:08,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-02-20 23:54:08,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 172. [2022-02-20 23:54:08,880 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:08,881 INFO L82 GeneralOperation]: Start isEquivalent. First operand 182 states. Second operand has 172 states, 150 states have (on average 1.3266666666666667) internal successors, (199), 171 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,881 INFO L74 IsIncluded]: Start isIncluded. First operand 182 states. Second operand has 172 states, 150 states have (on average 1.3266666666666667) internal successors, (199), 171 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,882 INFO L87 Difference]: Start difference. First operand 182 states. Second operand has 172 states, 150 states have (on average 1.3266666666666667) internal successors, (199), 171 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:08,884 INFO L93 Difference]: Finished difference Result 182 states and 210 transitions. [2022-02-20 23:54:08,884 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 210 transitions. [2022-02-20 23:54:08,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:08,884 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:08,884 INFO L74 IsIncluded]: Start isIncluded. First operand has 172 states, 150 states have (on average 1.3266666666666667) internal successors, (199), 171 states have internal predecessors, (199), 0 states have call successors, (0), 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 182 states. [2022-02-20 23:54:08,884 INFO L87 Difference]: Start difference. First operand has 172 states, 150 states have (on average 1.3266666666666667) internal successors, (199), 171 states have internal predecessors, (199), 0 states have call successors, (0), 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 182 states. [2022-02-20 23:54:08,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:08,886 INFO L93 Difference]: Finished difference Result 182 states and 210 transitions. [2022-02-20 23:54:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 210 transitions. [2022-02-20 23:54:08,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:08,887 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:08,887 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:08,887 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:08,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 150 states have (on average 1.3266666666666667) internal successors, (199), 171 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 199 transitions. [2022-02-20 23:54:08,890 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 199 transitions. Word has length 28 [2022-02-20 23:54:08,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:08,890 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 199 transitions. [2022-02-20 23:54:08,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,890 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 199 transitions. [2022-02-20 23:54:08,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 23:54:08,891 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:08,891 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, 1] [2022-02-20 23:54:08,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-20 23:54:08,891 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr37REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:08,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:08,891 INFO L85 PathProgramCache]: Analyzing trace with hash 17756514, now seen corresponding path program 1 times [2022-02-20 23:54:08,891 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:08,891 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955243647] [2022-02-20 23:54:08,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:08,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:08,952 INFO L290 TraceCheckUtils]: 0: Hoare triple {14580#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(17, 2); {14580#true} is VALID [2022-02-20 23:54:08,953 INFO L290 TraceCheckUtils]: 1: Hoare triple {14580#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {14580#true} is VALID [2022-02-20 23:54:08,953 INFO L290 TraceCheckUtils]: 2: Hoare triple {14580#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {14580#true} is VALID [2022-02-20 23:54:08,955 INFO L290 TraceCheckUtils]: 3: Hoare triple {14580#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {14580#true} is VALID [2022-02-20 23:54:08,956 INFO L290 TraceCheckUtils]: 4: Hoare triple {14580#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {14580#true} is VALID [2022-02-20 23:54:08,956 INFO L290 TraceCheckUtils]: 5: Hoare triple {14580#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {14580#true} is VALID [2022-02-20 23:54:08,956 INFO L290 TraceCheckUtils]: 6: Hoare triple {14580#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {14580#true} is VALID [2022-02-20 23:54:08,956 INFO L290 TraceCheckUtils]: 7: Hoare triple {14580#true} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {14580#true} is VALID [2022-02-20 23:54:08,956 INFO L290 TraceCheckUtils]: 8: Hoare triple {14580#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {14580#true} is VALID [2022-02-20 23:54:08,957 INFO L290 TraceCheckUtils]: 9: Hoare triple {14580#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {14580#true} is VALID [2022-02-20 23:54:08,957 INFO L290 TraceCheckUtils]: 10: Hoare triple {14580#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {14580#true} is VALID [2022-02-20 23:54:08,957 INFO L290 TraceCheckUtils]: 11: Hoare triple {14580#true} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {14580#true} is VALID [2022-02-20 23:54:08,957 INFO L290 TraceCheckUtils]: 12: Hoare triple {14580#true} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {14580#true} is VALID [2022-02-20 23:54:08,957 INFO L290 TraceCheckUtils]: 13: Hoare triple {14580#true} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {14580#true} is VALID [2022-02-20 23:54:08,957 INFO L290 TraceCheckUtils]: 14: Hoare triple {14580#true} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {14580#true} is VALID [2022-02-20 23:54:08,957 INFO L290 TraceCheckUtils]: 15: Hoare triple {14580#true} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_#t~mem8#1.base, 4 + main_#t~mem8#1.offset, 4); srcloc: L1003-6 {14580#true} is VALID [2022-02-20 23:54:08,958 INFO L290 TraceCheckUtils]: 16: Hoare triple {14580#true} havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {14580#true} is VALID [2022-02-20 23:54:08,958 INFO L290 TraceCheckUtils]: 17: Hoare triple {14580#true} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-8 {14580#true} is VALID [2022-02-20 23:54:08,958 INFO L290 TraceCheckUtils]: 18: Hoare triple {14580#true} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {14580#true} is VALID [2022-02-20 23:54:08,958 INFO L290 TraceCheckUtils]: 19: Hoare triple {14580#true} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-10 {14580#true} is VALID [2022-02-20 23:54:08,958 INFO L290 TraceCheckUtils]: 20: Hoare triple {14580#true} assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647; {14580#true} is VALID [2022-02-20 23:54:08,959 INFO L290 TraceCheckUtils]: 21: Hoare triple {14580#true} assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1; {14580#true} is VALID [2022-02-20 23:54:08,959 INFO L290 TraceCheckUtils]: 22: Hoare triple {14580#true} SUMMARY for call write~int(2, main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1003-13 {14580#true} is VALID [2022-02-20 23:54:08,959 INFO L290 TraceCheckUtils]: 23: Hoare triple {14580#true} call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnHeap(16); {14582#(and (= |ULTIMATE.start_main_#t~malloc11#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~malloc11#1.base|) 16))} is VALID [2022-02-20 23:54:08,960 INFO L290 TraceCheckUtils]: 24: Hoare triple {14582#(and (= |ULTIMATE.start_main_#t~malloc11#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~malloc11#1.base|) 16))} SUMMARY for call write~$Pointer$(main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1003-15 {14583#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:08,961 INFO L290 TraceCheckUtils]: 25: Hoare triple {14583#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))))} havoc main_#t~malloc11#1.base, main_#t~malloc11#1.offset; {14583#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:08,961 INFO L290 TraceCheckUtils]: 26: Hoare triple {14583#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1003-17 {14584#(and (= |ULTIMATE.start_main_#t~mem12#1.offset| 0) (= 0 (+ (- 16) (select |#length| |ULTIMATE.start_main_#t~mem12#1.base|))))} is VALID [2022-02-20 23:54:08,961 INFO L290 TraceCheckUtils]: 27: Hoare triple {14584#(and (= |ULTIMATE.start_main_#t~mem12#1.offset| 0) (= 0 (+ (- 16) (select |#length| |ULTIMATE.start_main_#t~mem12#1.base|))))} assume !(4 + main_#t~mem12#1.offset <= #length[main_#t~mem12#1.base] && 0 <= main_#t~mem12#1.offset); {14581#false} is VALID [2022-02-20 23:54:08,962 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 23:54:08,962 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:08,962 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955243647] [2022-02-20 23:54:08,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955243647] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:08,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:08,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:54:08,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12781786] [2022-02-20 23:54:08,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:08,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2022-02-20 23:54:08,963 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:08,964 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:08,979 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:08,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:54:08,980 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:08,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:54:08,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:54:08,981 INFO L87 Difference]: Start difference. First operand 172 states and 199 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:09,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:09,287 INFO L93 Difference]: Finished difference Result 171 states and 198 transitions. [2022-02-20 23:54:09,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:54:09,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2022-02-20 23:54:09,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:09,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 111 transitions. [2022-02-20 23:54:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:09,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 111 transitions. [2022-02-20 23:54:09,289 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 111 transitions. [2022-02-20 23:54:09,351 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:09,352 INFO L225 Difference]: With dead ends: 171 [2022-02-20 23:54:09,352 INFO L226 Difference]: Without dead ends: 171 [2022-02-20 23:54:09,352 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 23:54:09,353 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 2 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:09,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 282 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:54:09,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-02-20 23:54:09,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2022-02-20 23:54:09,356 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:09,356 INFO L82 GeneralOperation]: Start isEquivalent. First operand 171 states. Second operand has 171 states, 150 states have (on average 1.32) internal successors, (198), 170 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:09,356 INFO L74 IsIncluded]: Start isIncluded. First operand 171 states. Second operand has 171 states, 150 states have (on average 1.32) internal successors, (198), 170 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:09,357 INFO L87 Difference]: Start difference. First operand 171 states. Second operand has 171 states, 150 states have (on average 1.32) internal successors, (198), 170 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:09,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:09,358 INFO L93 Difference]: Finished difference Result 171 states and 198 transitions. [2022-02-20 23:54:09,358 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 198 transitions. [2022-02-20 23:54:09,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:09,358 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:09,359 INFO L74 IsIncluded]: Start isIncluded. First operand has 171 states, 150 states have (on average 1.32) internal successors, (198), 170 states have internal predecessors, (198), 0 states have call successors, (0), 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 23:54:09,359 INFO L87 Difference]: Start difference. First operand has 171 states, 150 states have (on average 1.32) internal successors, (198), 170 states have internal predecessors, (198), 0 states have call successors, (0), 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 23:54:09,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:09,360 INFO L93 Difference]: Finished difference Result 171 states and 198 transitions. [2022-02-20 23:54:09,360 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 198 transitions. [2022-02-20 23:54:09,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:09,361 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:09,361 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:09,361 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:09,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 150 states have (on average 1.32) internal successors, (198), 170 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:09,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 198 transitions. [2022-02-20 23:54:09,363 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 198 transitions. Word has length 28 [2022-02-20 23:54:09,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:09,363 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 198 transitions. [2022-02-20 23:54:09,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:09,363 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 198 transitions. [2022-02-20 23:54:09,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 23:54:09,363 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:09,363 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, 1, 1] [2022-02-20 23:54:09,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-20 23:54:09,363 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:09,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:09,364 INFO L85 PathProgramCache]: Analyzing trace with hash -42480305, now seen corresponding path program 1 times [2022-02-20 23:54:09,364 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:09,364 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014795779] [2022-02-20 23:54:09,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:09,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:09,489 INFO L290 TraceCheckUtils]: 0: Hoare triple {15275#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(17, 2); {15275#true} is VALID [2022-02-20 23:54:09,489 INFO L290 TraceCheckUtils]: 1: Hoare triple {15275#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {15275#true} is VALID [2022-02-20 23:54:09,489 INFO L290 TraceCheckUtils]: 2: Hoare triple {15275#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {15277#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:09,490 INFO L290 TraceCheckUtils]: 3: Hoare triple {15277#(= (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 {15277#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:09,490 INFO L290 TraceCheckUtils]: 4: Hoare triple {15277#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15277#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:09,490 INFO L290 TraceCheckUtils]: 5: Hoare triple {15277#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; {15277#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:09,491 INFO L290 TraceCheckUtils]: 6: Hoare triple {15277#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(2, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-1 {15278#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:09,491 INFO L290 TraceCheckUtils]: 7: Hoare triple {15278#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(16); {15279#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2))} is VALID [2022-02-20 23:54:09,492 INFO L290 TraceCheckUtils]: 8: Hoare triple {15279#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-3 {15280#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:09,492 INFO L290 TraceCheckUtils]: 9: Hoare triple {15280#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {15280#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:09,493 INFO L290 TraceCheckUtils]: 10: Hoare triple {15280#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-5 {15281#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:09,493 INFO L290 TraceCheckUtils]: 11: Hoare triple {15281#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem4#1.base, main_#t~mem4#1.offset, 4); srcloc: L1000-6 {15282#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)} is VALID [2022-02-20 23:54:09,494 INFO L290 TraceCheckUtils]: 12: Hoare triple {15282#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {15282#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)} is VALID [2022-02-20 23:54:09,494 INFO L290 TraceCheckUtils]: 13: Hoare triple {15282#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {15282#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)} is VALID [2022-02-20 23:54:09,494 INFO L290 TraceCheckUtils]: 14: Hoare triple {15282#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {15282#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)} is VALID [2022-02-20 23:54:09,495 INFO L290 TraceCheckUtils]: 15: Hoare triple {15282#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {15282#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)} is VALID [2022-02-20 23:54:09,495 INFO L290 TraceCheckUtils]: 16: Hoare triple {15282#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {15283#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))} is VALID [2022-02-20 23:54:09,495 INFO L290 TraceCheckUtils]: 17: Hoare triple {15283#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {15283#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))} is VALID [2022-02-20 23:54:09,496 INFO L290 TraceCheckUtils]: 18: Hoare triple {15283#(= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {15284#(= 2 |ULTIMATE.start_main_#t~mem14#1|)} is VALID [2022-02-20 23:54:09,496 INFO L290 TraceCheckUtils]: 19: Hoare triple {15284#(= 2 |ULTIMATE.start_main_#t~mem14#1|)} main_#t~short16#1 := 2 == main_#t~mem14#1; {15285#|ULTIMATE.start_main_#t~short16#1|} is VALID [2022-02-20 23:54:09,496 INFO L290 TraceCheckUtils]: 20: Hoare triple {15285#|ULTIMATE.start_main_#t~short16#1|} assume !main_#t~short16#1; {15276#false} is VALID [2022-02-20 23:54:09,496 INFO L290 TraceCheckUtils]: 21: Hoare triple {15276#false} main_#t~short19#1 := main_#t~short16#1; {15276#false} is VALID [2022-02-20 23:54:09,496 INFO L290 TraceCheckUtils]: 22: Hoare triple {15276#false} assume !main_#t~short19#1; {15276#false} is VALID [2022-02-20 23:54:09,496 INFO L290 TraceCheckUtils]: 23: Hoare triple {15276#false} main_#t~short21#1 := main_#t~short19#1; {15276#false} is VALID [2022-02-20 23:54:09,496 INFO L290 TraceCheckUtils]: 24: Hoare triple {15276#false} assume !main_#t~short21#1; {15276#false} is VALID [2022-02-20 23:54:09,496 INFO L290 TraceCheckUtils]: 25: Hoare triple {15276#false} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {15276#false} is VALID [2022-02-20 23:54:09,497 INFO L290 TraceCheckUtils]: 26: Hoare triple {15276#false} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {15276#false} is VALID [2022-02-20 23:54:09,497 INFO L290 TraceCheckUtils]: 27: Hoare triple {15276#false} assume !main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {15276#false} is VALID [2022-02-20 23:54:09,497 INFO L290 TraceCheckUtils]: 28: Hoare triple {15276#false} assume !false; {15276#false} is VALID [2022-02-20 23:54:09,497 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 23:54:09,497 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:09,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014795779] [2022-02-20 23:54:09,497 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014795779] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:09,497 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:09,497 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-20 23:54:09,497 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602687713] [2022-02-20 23:54:09,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:09,497 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:54:09,498 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:09,498 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:09,525 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:09,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-20 23:54:09,526 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:09,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-20 23:54:09,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-02-20 23:54:09,526 INFO L87 Difference]: Start difference. First operand 171 states and 198 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:10,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:10,634 INFO L93 Difference]: Finished difference Result 251 states and 281 transitions. [2022-02-20 23:54:10,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-20 23:54:10,634 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:54:10,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:10,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:10,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 209 transitions. [2022-02-20 23:54:10,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:10,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 209 transitions. [2022-02-20 23:54:10,636 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 209 transitions. [2022-02-20 23:54:10,783 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:10,785 INFO L225 Difference]: With dead ends: 251 [2022-02-20 23:54:10,785 INFO L226 Difference]: Without dead ends: 251 [2022-02-20 23:54:10,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2022-02-20 23:54:10,786 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 277 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:10,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 579 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 23:54:10,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-02-20 23:54:10,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 171. [2022-02-20 23:54:10,788 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:10,788 INFO L82 GeneralOperation]: Start isEquivalent. First operand 251 states. Second operand has 171 states, 150 states have (on average 1.3133333333333332) internal successors, (197), 170 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:10,788 INFO L74 IsIncluded]: Start isIncluded. First operand 251 states. Second operand has 171 states, 150 states have (on average 1.3133333333333332) internal successors, (197), 170 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:10,788 INFO L87 Difference]: Start difference. First operand 251 states. Second operand has 171 states, 150 states have (on average 1.3133333333333332) internal successors, (197), 170 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:10,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:10,792 INFO L93 Difference]: Finished difference Result 251 states and 281 transitions. [2022-02-20 23:54:10,792 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 281 transitions. [2022-02-20 23:54:10,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:10,792 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:10,793 INFO L74 IsIncluded]: Start isIncluded. First operand has 171 states, 150 states have (on average 1.3133333333333332) internal successors, (197), 170 states have internal predecessors, (197), 0 states have call successors, (0), 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 251 states. [2022-02-20 23:54:10,793 INFO L87 Difference]: Start difference. First operand has 171 states, 150 states have (on average 1.3133333333333332) internal successors, (197), 170 states have internal predecessors, (197), 0 states have call successors, (0), 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 251 states. [2022-02-20 23:54:10,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:10,796 INFO L93 Difference]: Finished difference Result 251 states and 281 transitions. [2022-02-20 23:54:10,796 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 281 transitions. [2022-02-20 23:54:10,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:10,796 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:10,796 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:10,796 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:10,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 150 states have (on average 1.3133333333333332) internal successors, (197), 170 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 197 transitions. [2022-02-20 23:54:10,799 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 197 transitions. Word has length 29 [2022-02-20 23:54:10,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:10,799 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 197 transitions. [2022-02-20 23:54:10,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:10,799 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 197 transitions. [2022-02-20 23:54:10,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 23:54:10,799 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:10,800 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:54:10,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-20 23:54:10,800 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr46REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:10,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:10,800 INFO L85 PathProgramCache]: Analyzing trace with hash 439757914, now seen corresponding path program 1 times [2022-02-20 23:54:10,800 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:10,800 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752487095] [2022-02-20 23:54:10,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:10,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:10,862 INFO L290 TraceCheckUtils]: 0: Hoare triple {16234#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(17, 2); {16234#true} is VALID [2022-02-20 23:54:10,863 INFO L290 TraceCheckUtils]: 1: Hoare triple {16234#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {16234#true} is VALID [2022-02-20 23:54:10,863 INFO L290 TraceCheckUtils]: 2: Hoare triple {16234#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {16236#(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 23:54:10,864 INFO L290 TraceCheckUtils]: 3: Hoare triple {16236#(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 {16236#(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 23:54:10,864 INFO L290 TraceCheckUtils]: 4: Hoare triple {16236#(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; {16236#(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 23:54:10,865 INFO L290 TraceCheckUtils]: 5: Hoare triple {16236#(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;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {16236#(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 23:54:10,865 INFO L290 TraceCheckUtils]: 6: Hoare triple {16236#(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~nondet5#1;havoc main_#t~nondet5#1; {16236#(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 23:54:10,866 INFO L290 TraceCheckUtils]: 7: Hoare triple {16236#(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(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {16236#(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 23:54:10,867 INFO L290 TraceCheckUtils]: 8: Hoare triple {16236#(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~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {16236#(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 23:54:10,867 INFO L290 TraceCheckUtils]: 9: Hoare triple {16236#(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_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16236#(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 23:54:10,867 INFO L290 TraceCheckUtils]: 10: Hoare triple {16236#(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~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {16236#(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 23:54:10,868 INFO L290 TraceCheckUtils]: 11: Hoare triple {16236#(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~nondet6#1);havoc main_#t~nondet6#1; {16236#(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 23:54:10,868 INFO L290 TraceCheckUtils]: 12: Hoare triple {16236#(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_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:10,869 INFO L290 TraceCheckUtils]: 13: Hoare triple {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:10,869 INFO L290 TraceCheckUtils]: 14: Hoare triple {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:10,870 INFO L290 TraceCheckUtils]: 15: Hoare triple {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short16#1 := 2 == main_#t~mem14#1; {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:10,870 INFO L290 TraceCheckUtils]: 16: Hoare triple {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short16#1; {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:10,870 INFO L290 TraceCheckUtils]: 17: Hoare triple {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short19#1 := main_#t~short16#1; {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:10,871 INFO L290 TraceCheckUtils]: 18: Hoare triple {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short19#1; {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:10,871 INFO L290 TraceCheckUtils]: 19: Hoare triple {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short21#1 := main_#t~short19#1; {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:10,872 INFO L290 TraceCheckUtils]: 20: Hoare triple {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short21#1; {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:10,872 INFO L290 TraceCheckUtils]: 21: Hoare triple {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:10,873 INFO L290 TraceCheckUtils]: 22: Hoare triple {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:10,873 INFO L290 TraceCheckUtils]: 23: Hoare triple {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:10,873 INFO L290 TraceCheckUtils]: 24: Hoare triple {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:10,874 INFO L290 TraceCheckUtils]: 25: Hoare triple {16237#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009-22 {16238#(and (= |ULTIMATE.start_main_#t~mem22#1.base| 0) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} is VALID [2022-02-20 23:54:10,874 INFO L290 TraceCheckUtils]: 26: Hoare triple {16238#(and (= |ULTIMATE.start_main_#t~mem22#1.base| 0) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {16239#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:10,875 INFO L290 TraceCheckUtils]: 27: Hoare triple {16239#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {16235#false} is VALID [2022-02-20 23:54:10,875 INFO L290 TraceCheckUtils]: 28: Hoare triple {16235#false} assume !(1 == #valid[main_~x~0#1.base]); {16235#false} is VALID [2022-02-20 23:54:10,875 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 23:54:10,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:10,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752487095] [2022-02-20 23:54:10,875 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752487095] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:54:10,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324306624] [2022-02-20 23:54:10,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:10,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:10,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:10,877 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 23:54:10,905 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 23:54:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:11,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 35 conjunts are in the unsatisfiable core [2022-02-20 23:54:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:11,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:11,080 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 23:54:11,084 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 23:54:11,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:11,125 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 23:54:11,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:11,132 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 23:54:11,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:11,210 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 23:54:11,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:11,216 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 23:54:11,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:11,247 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 23:54:11,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:11,269 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 23:54:11,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:11,541 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:54:11,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:11,575 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:11,576 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 15 treesize of output 10 [2022-02-20 23:54:11,600 INFO L290 TraceCheckUtils]: 0: Hoare triple {16234#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(17, 2); {16234#true} is VALID [2022-02-20 23:54:11,600 INFO L290 TraceCheckUtils]: 1: Hoare triple {16234#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {16246#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:11,601 INFO L290 TraceCheckUtils]: 2: Hoare triple {16246#(= |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 {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:11,602 INFO L290 TraceCheckUtils]: 3: Hoare triple {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (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 {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:11,602 INFO L290 TraceCheckUtils]: 4: Hoare triple {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (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; {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:11,603 INFO L290 TraceCheckUtils]: 5: Hoare triple {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (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;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:11,603 INFO L290 TraceCheckUtils]: 6: Hoare triple {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:11,604 INFO L290 TraceCheckUtils]: 7: Hoare triple {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (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_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:11,605 INFO L290 TraceCheckUtils]: 8: Hoare triple {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:11,605 INFO L290 TraceCheckUtils]: 9: Hoare triple {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:11,605 INFO L290 TraceCheckUtils]: 10: Hoare triple {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:11,606 INFO L290 TraceCheckUtils]: 11: Hoare triple {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:11,606 INFO L290 TraceCheckUtils]: 12: Hoare triple {16250#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:11,607 INFO L290 TraceCheckUtils]: 13: Hoare triple {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:11,607 INFO L290 TraceCheckUtils]: 14: Hoare triple {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:11,608 INFO L290 TraceCheckUtils]: 15: Hoare triple {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short16#1 := 2 == main_#t~mem14#1; {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:11,608 INFO L290 TraceCheckUtils]: 16: Hoare triple {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !main_#t~short16#1; {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:11,609 INFO L290 TraceCheckUtils]: 17: Hoare triple {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short19#1 := main_#t~short16#1; {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:11,609 INFO L290 TraceCheckUtils]: 18: Hoare triple {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !main_#t~short19#1; {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:11,609 INFO L290 TraceCheckUtils]: 19: Hoare triple {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short21#1 := main_#t~short19#1; {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:11,610 INFO L290 TraceCheckUtils]: 20: Hoare triple {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !main_#t~short21#1; {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:11,610 INFO L290 TraceCheckUtils]: 21: Hoare triple {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:11,611 INFO L290 TraceCheckUtils]: 22: Hoare triple {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:11,611 INFO L290 TraceCheckUtils]: 23: Hoare triple {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !!main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:11,612 INFO L290 TraceCheckUtils]: 24: Hoare triple {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} goto; {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:11,612 INFO L290 TraceCheckUtils]: 25: Hoare triple {16281#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009-22 {16238#(and (= |ULTIMATE.start_main_#t~mem22#1.base| 0) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} is VALID [2022-02-20 23:54:11,613 INFO L290 TraceCheckUtils]: 26: Hoare triple {16238#(and (= |ULTIMATE.start_main_#t~mem22#1.base| 0) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {16239#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:11,613 INFO L290 TraceCheckUtils]: 27: Hoare triple {16239#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {16235#false} is VALID [2022-02-20 23:54:11,613 INFO L290 TraceCheckUtils]: 28: Hoare triple {16235#false} assume !(1 == #valid[main_~x~0#1.base]); {16235#false} is VALID [2022-02-20 23:54:11,614 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 23:54:11,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:54:13,007 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-02-20 23:54:13,020 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 17 [2022-02-20 23:54:13,038 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 23 treesize of output 21 [2022-02-20 23:54:13,056 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 22 treesize of output 20 [2022-02-20 23:54:13,115 INFO L290 TraceCheckUtils]: 28: Hoare triple {16235#false} assume !(1 == #valid[main_~x~0#1.base]); {16235#false} is VALID [2022-02-20 23:54:13,116 INFO L290 TraceCheckUtils]: 27: Hoare triple {16239#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {16235#false} is VALID [2022-02-20 23:54:13,116 INFO L290 TraceCheckUtils]: 26: Hoare triple {16238#(and (= |ULTIMATE.start_main_#t~mem22#1.base| 0) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {16239#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:13,117 INFO L290 TraceCheckUtils]: 25: Hoare triple {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009-22 {16238#(and (= |ULTIMATE.start_main_#t~mem22#1.base| 0) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} is VALID [2022-02-20 23:54:13,117 INFO L290 TraceCheckUtils]: 24: Hoare triple {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} goto; {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:13,117 INFO L290 TraceCheckUtils]: 23: Hoare triple {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !!main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:13,118 INFO L290 TraceCheckUtils]: 22: Hoare triple {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:13,118 INFO L290 TraceCheckUtils]: 21: Hoare triple {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:13,119 INFO L290 TraceCheckUtils]: 20: Hoare triple {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !main_#t~short21#1; {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:13,119 INFO L290 TraceCheckUtils]: 19: Hoare triple {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short21#1 := main_#t~short19#1; {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:13,120 INFO L290 TraceCheckUtils]: 18: Hoare triple {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !main_#t~short19#1; {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:13,120 INFO L290 TraceCheckUtils]: 17: Hoare triple {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short19#1 := main_#t~short16#1; {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:13,120 INFO L290 TraceCheckUtils]: 16: Hoare triple {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !main_#t~short16#1; {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:13,121 INFO L290 TraceCheckUtils]: 15: Hoare triple {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short16#1 := 2 == main_#t~mem14#1; {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:13,121 INFO L290 TraceCheckUtils]: 14: Hoare triple {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:13,122 INFO L290 TraceCheckUtils]: 13: Hoare triple {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:13,122 INFO L290 TraceCheckUtils]: 12: Hoare triple {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16339#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:13,123 INFO L290 TraceCheckUtils]: 11: Hoare triple {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:13,123 INFO L290 TraceCheckUtils]: 10: Hoare triple {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:13,123 INFO L290 TraceCheckUtils]: 9: Hoare triple {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:13,124 INFO L290 TraceCheckUtils]: 8: Hoare triple {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:13,125 INFO L290 TraceCheckUtils]: 7: Hoare triple {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:13,125 INFO L290 TraceCheckUtils]: 6: Hoare triple {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:13,126 INFO L290 TraceCheckUtils]: 5: Hoare triple {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:13,126 INFO L290 TraceCheckUtils]: 4: Hoare triple {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:13,127 INFO L290 TraceCheckUtils]: 3: Hoare triple {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:13,128 INFO L290 TraceCheckUtils]: 2: Hoare triple {16410#(<= |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 {16379#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_50| Int)) (or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_50|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_50|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_50| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:13,128 INFO L290 TraceCheckUtils]: 1: Hoare triple {16234#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {16410#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:13,128 INFO L290 TraceCheckUtils]: 0: Hoare triple {16234#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(17, 2); {16234#true} is VALID [2022-02-20 23:54:13,128 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 23:54:13,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324306624] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:54:13,128 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:54:13,128 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 12 [2022-02-20 23:54:13,129 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299101303] [2022-02-20 23:54:13,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:54:13,129 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:54:13,129 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:13,129 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:13,177 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:13,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-20 23:54:13,177 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:13,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-20 23:54:13,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:54:13,178 INFO L87 Difference]: Start difference. First operand 171 states and 197 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:13,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:13,963 INFO L93 Difference]: Finished difference Result 194 states and 222 transitions. [2022-02-20 23:54:13,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 23:54:13,963 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:54:13,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:13,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:13,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 140 transitions. [2022-02-20 23:54:13,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:13,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 140 transitions. [2022-02-20 23:54:13,965 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 140 transitions. [2022-02-20 23:54:14,062 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 140 edges. 140 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:14,064 INFO L225 Difference]: With dead ends: 194 [2022-02-20 23:54:14,064 INFO L226 Difference]: Without dead ends: 194 [2022-02-20 23:54:14,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2022-02-20 23:54:14,065 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 227 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 54 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:14,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 519 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 265 Invalid, 0 Unknown, 54 Unchecked, 0.2s Time] [2022-02-20 23:54:14,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-02-20 23:54:14,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 192. [2022-02-20 23:54:14,066 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:14,067 INFO L82 GeneralOperation]: Start isEquivalent. First operand 194 states. Second operand has 192 states, 171 states have (on average 1.286549707602339) internal successors, (220), 191 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:14,067 INFO L74 IsIncluded]: Start isIncluded. First operand 194 states. Second operand has 192 states, 171 states have (on average 1.286549707602339) internal successors, (220), 191 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:14,067 INFO L87 Difference]: Start difference. First operand 194 states. Second operand has 192 states, 171 states have (on average 1.286549707602339) internal successors, (220), 191 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:14,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:14,069 INFO L93 Difference]: Finished difference Result 194 states and 222 transitions. [2022-02-20 23:54:14,069 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 222 transitions. [2022-02-20 23:54:14,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:14,069 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:14,069 INFO L74 IsIncluded]: Start isIncluded. First operand has 192 states, 171 states have (on average 1.286549707602339) internal successors, (220), 191 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 194 states. [2022-02-20 23:54:14,070 INFO L87 Difference]: Start difference. First operand has 192 states, 171 states have (on average 1.286549707602339) internal successors, (220), 191 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 194 states. [2022-02-20 23:54:14,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:14,072 INFO L93 Difference]: Finished difference Result 194 states and 222 transitions. [2022-02-20 23:54:14,072 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 222 transitions. [2022-02-20 23:54:14,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:14,072 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:14,073 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:14,073 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:14,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 171 states have (on average 1.286549707602339) internal successors, (220), 191 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:14,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 220 transitions. [2022-02-20 23:54:14,074 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 220 transitions. Word has length 29 [2022-02-20 23:54:14,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:14,075 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 220 transitions. [2022-02-20 23:54:14,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:14,075 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 220 transitions. [2022-02-20 23:54:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 23:54:14,075 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:14,075 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:54:14,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-20 23:54:14,292 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,SelfDestructingSolverStorable22 [2022-02-20 23:54:14,292 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr46REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:14,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:14,293 INFO L85 PathProgramCache]: Analyzing trace with hash 79198050, now seen corresponding path program 1 times [2022-02-20 23:54:14,293 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:14,293 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837275124] [2022-02-20 23:54:14,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:14,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:14,368 INFO L290 TraceCheckUtils]: 0: Hoare triple {17200#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(17, 2); {17200#true} is VALID [2022-02-20 23:54:14,369 INFO L290 TraceCheckUtils]: 1: Hoare triple {17200#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {17200#true} is VALID [2022-02-20 23:54:14,369 INFO L290 TraceCheckUtils]: 2: Hoare triple {17200#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {17202#(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 23:54:14,370 INFO L290 TraceCheckUtils]: 3: Hoare triple {17202#(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 {17202#(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 23:54:14,371 INFO L290 TraceCheckUtils]: 4: Hoare triple {17202#(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; {17202#(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 23:54:14,371 INFO L290 TraceCheckUtils]: 5: Hoare triple {17202#(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;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {17202#(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 23:54:14,372 INFO L290 TraceCheckUtils]: 6: Hoare triple {17202#(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~nondet5#1);havoc main_#t~nondet5#1; {17202#(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 23:54:14,372 INFO L290 TraceCheckUtils]: 7: Hoare triple {17202#(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, 12 + main_~head~0#1.offset, 4); srcloc: L1000-13 {17202#(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 23:54:14,373 INFO L290 TraceCheckUtils]: 8: Hoare triple {17202#(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~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-14 {17202#(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 23:54:14,373 INFO L290 TraceCheckUtils]: 9: Hoare triple {17202#(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_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17202#(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 23:54:14,374 INFO L290 TraceCheckUtils]: 10: Hoare triple {17202#(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~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {17202#(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 23:54:14,374 INFO L290 TraceCheckUtils]: 11: Hoare triple {17202#(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~nondet6#1);havoc main_#t~nondet6#1; {17202#(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 23:54:14,375 INFO L290 TraceCheckUtils]: 12: Hoare triple {17202#(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_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,375 INFO L290 TraceCheckUtils]: 13: Hoare triple {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,376 INFO L290 TraceCheckUtils]: 14: Hoare triple {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,376 INFO L290 TraceCheckUtils]: 15: Hoare triple {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short16#1 := 2 == main_#t~mem14#1; {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,377 INFO L290 TraceCheckUtils]: 16: Hoare triple {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short16#1; {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,377 INFO L290 TraceCheckUtils]: 17: Hoare triple {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short19#1 := main_#t~short16#1; {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,377 INFO L290 TraceCheckUtils]: 18: Hoare triple {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short19#1; {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,378 INFO L290 TraceCheckUtils]: 19: Hoare triple {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short21#1 := main_#t~short19#1; {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,378 INFO L290 TraceCheckUtils]: 20: Hoare triple {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short21#1; {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,379 INFO L290 TraceCheckUtils]: 21: Hoare triple {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,379 INFO L290 TraceCheckUtils]: 22: Hoare triple {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,380 INFO L290 TraceCheckUtils]: 23: Hoare triple {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,380 INFO L290 TraceCheckUtils]: 24: Hoare triple {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,380 INFO L290 TraceCheckUtils]: 25: Hoare triple {17203#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009-22 {17204#(and (= |ULTIMATE.start_main_#t~mem22#1.base| 0) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} is VALID [2022-02-20 23:54:14,381 INFO L290 TraceCheckUtils]: 26: Hoare triple {17204#(and (= |ULTIMATE.start_main_#t~mem22#1.base| 0) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {17205#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:14,381 INFO L290 TraceCheckUtils]: 27: Hoare triple {17205#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {17201#false} is VALID [2022-02-20 23:54:14,381 INFO L290 TraceCheckUtils]: 28: Hoare triple {17201#false} assume !(1 == #valid[main_~x~0#1.base]); {17201#false} is VALID [2022-02-20 23:54:14,382 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 23:54:14,382 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:14,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837275124] [2022-02-20 23:54:14,382 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837275124] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:54:14,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759639] [2022-02-20 23:54:14,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:14,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:14,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:14,383 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 23:54:14,384 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 23:54:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:14,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 35 conjunts are in the unsatisfiable core [2022-02-20 23:54:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:14,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:14,502 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 23:54:14,506 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 23:54:14,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:14,538 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 23:54:14,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:14,544 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 23:54:14,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:14,594 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 23:54:14,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:14,600 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 23:54:14,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:14,624 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 23:54:14,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:14,631 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 23:54:14,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:14,879 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:54:14,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:14,912 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:14,912 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 15 treesize of output 10 [2022-02-20 23:54:14,935 INFO L290 TraceCheckUtils]: 0: Hoare triple {17200#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(17, 2); {17200#true} is VALID [2022-02-20 23:54:14,936 INFO L290 TraceCheckUtils]: 1: Hoare triple {17200#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {17212#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:14,937 INFO L290 TraceCheckUtils]: 2: Hoare triple {17212#(= |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 {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,937 INFO L290 TraceCheckUtils]: 3: Hoare triple {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (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 {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,938 INFO L290 TraceCheckUtils]: 4: Hoare triple {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (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; {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,938 INFO L290 TraceCheckUtils]: 5: Hoare triple {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (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;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,939 INFO L290 TraceCheckUtils]: 6: Hoare triple {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,940 INFO L290 TraceCheckUtils]: 7: Hoare triple {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (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, 12 + main_~head~0#1.offset, 4); srcloc: L1000-13 {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,940 INFO L290 TraceCheckUtils]: 8: Hoare triple {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-14 {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,941 INFO L290 TraceCheckUtils]: 9: Hoare triple {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,941 INFO L290 TraceCheckUtils]: 10: Hoare triple {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,942 INFO L290 TraceCheckUtils]: 11: Hoare triple {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:14,942 INFO L290 TraceCheckUtils]: 12: Hoare triple {17216#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:14,943 INFO L290 TraceCheckUtils]: 13: Hoare triple {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:14,943 INFO L290 TraceCheckUtils]: 14: Hoare triple {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:14,944 INFO L290 TraceCheckUtils]: 15: Hoare triple {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short16#1 := 2 == main_#t~mem14#1; {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:14,944 INFO L290 TraceCheckUtils]: 16: Hoare triple {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !main_#t~short16#1; {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:14,944 INFO L290 TraceCheckUtils]: 17: Hoare triple {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short19#1 := main_#t~short16#1; {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:14,945 INFO L290 TraceCheckUtils]: 18: Hoare triple {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !main_#t~short19#1; {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:14,945 INFO L290 TraceCheckUtils]: 19: Hoare triple {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short21#1 := main_#t~short19#1; {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:14,946 INFO L290 TraceCheckUtils]: 20: Hoare triple {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !main_#t~short21#1; {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:14,946 INFO L290 TraceCheckUtils]: 21: Hoare triple {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:14,947 INFO L290 TraceCheckUtils]: 22: Hoare triple {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:14,947 INFO L290 TraceCheckUtils]: 23: Hoare triple {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !!main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:14,948 INFO L290 TraceCheckUtils]: 24: Hoare triple {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} goto; {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:54:14,948 INFO L290 TraceCheckUtils]: 25: Hoare triple {17247#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009-22 {17204#(and (= |ULTIMATE.start_main_#t~mem22#1.base| 0) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} is VALID [2022-02-20 23:54:14,949 INFO L290 TraceCheckUtils]: 26: Hoare triple {17204#(and (= |ULTIMATE.start_main_#t~mem22#1.base| 0) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {17205#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:14,949 INFO L290 TraceCheckUtils]: 27: Hoare triple {17205#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {17201#false} is VALID [2022-02-20 23:54:14,949 INFO L290 TraceCheckUtils]: 28: Hoare triple {17201#false} assume !(1 == #valid[main_~x~0#1.base]); {17201#false} is VALID [2022-02-20 23:54:14,949 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 23:54:14,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:54:16,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-02-20 23:54:16,382 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 17 [2022-02-20 23:54:16,397 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 23 treesize of output 21 [2022-02-20 23:54:16,428 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 22 treesize of output 20 [2022-02-20 23:54:16,511 INFO L290 TraceCheckUtils]: 28: Hoare triple {17201#false} assume !(1 == #valid[main_~x~0#1.base]); {17201#false} is VALID [2022-02-20 23:54:16,512 INFO L290 TraceCheckUtils]: 27: Hoare triple {17205#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {17201#false} is VALID [2022-02-20 23:54:16,512 INFO L290 TraceCheckUtils]: 26: Hoare triple {17204#(and (= |ULTIMATE.start_main_#t~mem22#1.base| 0) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {17205#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:16,513 INFO L290 TraceCheckUtils]: 25: Hoare triple {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009-22 {17204#(and (= |ULTIMATE.start_main_#t~mem22#1.base| 0) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} is VALID [2022-02-20 23:54:16,513 INFO L290 TraceCheckUtils]: 24: Hoare triple {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} goto; {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:16,514 INFO L290 TraceCheckUtils]: 23: Hoare triple {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !!main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:16,514 INFO L290 TraceCheckUtils]: 22: Hoare triple {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:16,515 INFO L290 TraceCheckUtils]: 21: Hoare triple {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:16,516 INFO L290 TraceCheckUtils]: 20: Hoare triple {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !main_#t~short21#1; {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:16,516 INFO L290 TraceCheckUtils]: 19: Hoare triple {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short21#1 := main_#t~short19#1; {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:16,516 INFO L290 TraceCheckUtils]: 18: Hoare triple {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !main_#t~short19#1; {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:16,517 INFO L290 TraceCheckUtils]: 17: Hoare triple {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short19#1 := main_#t~short16#1; {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:16,517 INFO L290 TraceCheckUtils]: 16: Hoare triple {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !main_#t~short16#1; {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:16,518 INFO L290 TraceCheckUtils]: 15: Hoare triple {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} main_#t~short16#1 := 2 == main_#t~mem14#1; {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:16,519 INFO L290 TraceCheckUtils]: 14: Hoare triple {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:16,519 INFO L290 TraceCheckUtils]: 13: Hoare triple {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:16,520 INFO L290 TraceCheckUtils]: 12: Hoare triple {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17305#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)))} is VALID [2022-02-20 23:54:16,521 INFO L290 TraceCheckUtils]: 11: Hoare triple {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:16,521 INFO L290 TraceCheckUtils]: 10: Hoare triple {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:16,522 INFO L290 TraceCheckUtils]: 9: Hoare triple {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:16,523 INFO L290 TraceCheckUtils]: 8: Hoare triple {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-14 {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:16,524 INFO L290 TraceCheckUtils]: 7: Hoare triple {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~int(0, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-13 {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:16,524 INFO L290 TraceCheckUtils]: 6: Hoare triple {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:16,525 INFO L290 TraceCheckUtils]: 5: Hoare triple {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:16,526 INFO L290 TraceCheckUtils]: 4: Hoare triple {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:16,527 INFO L290 TraceCheckUtils]: 3: Hoare triple {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:16,528 INFO L290 TraceCheckUtils]: 2: Hoare triple {17376#(<= |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 {17345#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_54|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_54| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:16,528 INFO L290 TraceCheckUtils]: 1: Hoare triple {17200#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {17376#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:16,528 INFO L290 TraceCheckUtils]: 0: Hoare triple {17200#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(17, 2); {17200#true} is VALID [2022-02-20 23:54:16,528 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 23:54:16,529 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759639] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:54:16,529 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:54:16,529 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 12 [2022-02-20 23:54:16,529 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446871577] [2022-02-20 23:54:16,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:54:16,529 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:54:16,530 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:16,530 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:16,611 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:16,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-20 23:54:16,611 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:16,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-20 23:54:16,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:54:16,612 INFO L87 Difference]: Start difference. First operand 192 states and 220 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:17,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:17,444 INFO L93 Difference]: Finished difference Result 233 states and 264 transitions. [2022-02-20 23:54:17,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 23:54:17,445 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:54:17,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:17,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 164 transitions. [2022-02-20 23:54:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:17,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 164 transitions. [2022-02-20 23:54:17,446 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 164 transitions. [2022-02-20 23:54:17,570 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 23:54:17,573 INFO L225 Difference]: With dead ends: 233 [2022-02-20 23:54:17,573 INFO L226 Difference]: Without dead ends: 233 [2022-02-20 23:54:17,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 54 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2022-02-20 23:54:17,573 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 315 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 41 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:17,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 418 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 293 Invalid, 0 Unknown, 41 Unchecked, 0.3s Time] [2022-02-20 23:54:17,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-02-20 23:54:17,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 184. [2022-02-20 23:54:17,575 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:17,575 INFO L82 GeneralOperation]: Start isEquivalent. First operand 233 states. Second operand has 184 states, 163 states have (on average 1.3006134969325154) internal successors, (212), 183 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:17,576 INFO L74 IsIncluded]: Start isIncluded. First operand 233 states. Second operand has 184 states, 163 states have (on average 1.3006134969325154) internal successors, (212), 183 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:17,576 INFO L87 Difference]: Start difference. First operand 233 states. Second operand has 184 states, 163 states have (on average 1.3006134969325154) internal successors, (212), 183 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:17,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:17,578 INFO L93 Difference]: Finished difference Result 233 states and 264 transitions. [2022-02-20 23:54:17,578 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 264 transitions. [2022-02-20 23:54:17,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:17,578 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:17,578 INFO L74 IsIncluded]: Start isIncluded. First operand has 184 states, 163 states have (on average 1.3006134969325154) internal successors, (212), 183 states have internal predecessors, (212), 0 states have call successors, (0), 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 233 states. [2022-02-20 23:54:17,579 INFO L87 Difference]: Start difference. First operand has 184 states, 163 states have (on average 1.3006134969325154) internal successors, (212), 183 states have internal predecessors, (212), 0 states have call successors, (0), 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 233 states. [2022-02-20 23:54:17,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:17,581 INFO L93 Difference]: Finished difference Result 233 states and 264 transitions. [2022-02-20 23:54:17,581 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 264 transitions. [2022-02-20 23:54:17,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:17,581 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:17,582 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:17,582 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:17,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 163 states have (on average 1.3006134969325154) internal successors, (212), 183 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:17,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 212 transitions. [2022-02-20 23:54:17,583 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 212 transitions. Word has length 29 [2022-02-20 23:54:17,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:17,583 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 212 transitions. [2022-02-20 23:54:17,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 12 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:17,584 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 212 transitions. [2022-02-20 23:54:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-20 23:54:17,584 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:17,584 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, 1, 1, 1, 1] [2022-02-20 23:54:17,601 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 23:54:17,799 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,SelfDestructingSolverStorable23 [2022-02-20 23:54:17,800 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:17,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:17,802 INFO L85 PathProgramCache]: Analyzing trace with hash -469775188, now seen corresponding path program 1 times [2022-02-20 23:54:17,803 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:17,803 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132399097] [2022-02-20 23:54:17,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:17,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:17,921 INFO L290 TraceCheckUtils]: 0: Hoare triple {18282#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(17, 2); {18282#true} is VALID [2022-02-20 23:54:17,921 INFO L290 TraceCheckUtils]: 1: Hoare triple {18282#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {18282#true} is VALID [2022-02-20 23:54:17,921 INFO L290 TraceCheckUtils]: 2: Hoare triple {18282#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {18282#true} is VALID [2022-02-20 23:54:17,921 INFO L290 TraceCheckUtils]: 3: Hoare triple {18282#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {18282#true} is VALID [2022-02-20 23:54:17,921 INFO L290 TraceCheckUtils]: 4: Hoare triple {18282#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {18282#true} is VALID [2022-02-20 23:54:17,921 INFO L290 TraceCheckUtils]: 5: Hoare triple {18282#true} assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; {18282#true} is VALID [2022-02-20 23:54:17,921 INFO L290 TraceCheckUtils]: 6: Hoare triple {18282#true} SUMMARY for call write~int(2, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-1 {18282#true} is VALID [2022-02-20 23:54:17,921 INFO L290 TraceCheckUtils]: 7: Hoare triple {18282#true} call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(16); {18282#true} is VALID [2022-02-20 23:54:17,921 INFO L290 TraceCheckUtils]: 8: Hoare triple {18282#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-3 {18282#true} is VALID [2022-02-20 23:54:17,921 INFO L290 TraceCheckUtils]: 9: Hoare triple {18282#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {18282#true} is VALID [2022-02-20 23:54:17,921 INFO L290 TraceCheckUtils]: 10: Hoare triple {18282#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-5 {18282#true} is VALID [2022-02-20 23:54:17,921 INFO L290 TraceCheckUtils]: 11: Hoare triple {18282#true} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem4#1.base, main_#t~mem4#1.offset, 4); srcloc: L1000-6 {18282#true} is VALID [2022-02-20 23:54:17,922 INFO L290 TraceCheckUtils]: 12: Hoare triple {18282#true} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {18282#true} is VALID [2022-02-20 23:54:17,922 INFO L290 TraceCheckUtils]: 13: Hoare triple {18282#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {18282#true} is VALID [2022-02-20 23:54:17,922 INFO L290 TraceCheckUtils]: 14: Hoare triple {18282#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {18282#true} is VALID [2022-02-20 23:54:17,922 INFO L290 TraceCheckUtils]: 15: Hoare triple {18282#true} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {18282#true} is VALID [2022-02-20 23:54:17,922 INFO L290 TraceCheckUtils]: 16: Hoare triple {18282#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {18282#true} is VALID [2022-02-20 23:54:17,922 INFO L290 TraceCheckUtils]: 17: Hoare triple {18282#true} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {18282#true} is VALID [2022-02-20 23:54:17,922 INFO L290 TraceCheckUtils]: 18: Hoare triple {18282#true} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {18282#true} is VALID [2022-02-20 23:54:17,922 INFO L290 TraceCheckUtils]: 19: Hoare triple {18282#true} main_#t~short16#1 := 2 == main_#t~mem14#1; {18282#true} is VALID [2022-02-20 23:54:17,922 INFO L290 TraceCheckUtils]: 20: Hoare triple {18282#true} assume main_#t~short16#1; {18282#true} is VALID [2022-02-20 23:54:17,923 INFO L290 TraceCheckUtils]: 21: Hoare triple {18282#true} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {18284#(and (= |ULTIMATE.start_main_#t~mem15#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_#t~mem15#1.offset|))} is VALID [2022-02-20 23:54:17,924 INFO L290 TraceCheckUtils]: 22: Hoare triple {18284#(and (= |ULTIMATE.start_main_#t~mem15#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_#t~mem15#1.offset|))} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {18285#(or |ULTIMATE.start_main_#t~short16#1| (and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:54:17,924 INFO L290 TraceCheckUtils]: 23: Hoare triple {18285#(or |ULTIMATE.start_main_#t~short16#1| (and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|)))} main_#t~short19#1 := main_#t~short16#1; {18286#(or |ULTIMATE.start_main_#t~short19#1| (and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:54:17,924 INFO L290 TraceCheckUtils]: 24: Hoare triple {18286#(or |ULTIMATE.start_main_#t~short19#1| (and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|)))} assume !main_#t~short19#1; {18287#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:17,925 INFO L290 TraceCheckUtils]: 25: Hoare triple {18287#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short21#1 := main_#t~short19#1; {18287#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:17,925 INFO L290 TraceCheckUtils]: 26: Hoare triple {18287#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume !main_#t~short21#1; {18287#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:17,926 INFO L290 TraceCheckUtils]: 27: Hoare triple {18287#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {18288#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem20#1.base|) (= |ULTIMATE.start_main_#t~mem20#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} is VALID [2022-02-20 23:54:17,926 INFO L290 TraceCheckUtils]: 28: Hoare triple {18288#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem20#1.base|) (= |ULTIMATE.start_main_#t~mem20#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {18289#|ULTIMATE.start_main_#t~short21#1|} is VALID [2022-02-20 23:54:17,926 INFO L290 TraceCheckUtils]: 29: Hoare triple {18289#|ULTIMATE.start_main_#t~short21#1|} assume !main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {18283#false} is VALID [2022-02-20 23:54:17,926 INFO L290 TraceCheckUtils]: 30: Hoare triple {18283#false} assume !false; {18283#false} is VALID [2022-02-20 23:54:17,926 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 23:54:17,926 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:17,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132399097] [2022-02-20 23:54:17,927 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132399097] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:17,927 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:17,927 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 23:54:17,927 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755659698] [2022-02-20 23:54:17,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:17,927 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 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 31 [2022-02-20 23:54:17,927 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:17,927 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 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 23:54:17,945 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 23:54:17,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 23:54:17,945 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:17,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 23:54:17,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:54:17,946 INFO L87 Difference]: Start difference. First operand 184 states and 212 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 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 23:54:18,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:18,694 INFO L93 Difference]: Finished difference Result 232 states and 263 transitions. [2022-02-20 23:54:18,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 23:54:18,694 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 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 31 [2022-02-20 23:54:18,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 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 23:54:18,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 142 transitions. [2022-02-20 23:54:18,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 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 23:54:18,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 142 transitions. [2022-02-20 23:54:18,696 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 142 transitions. [2022-02-20 23:54:18,802 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 142 edges. 142 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:18,805 INFO L225 Difference]: With dead ends: 232 [2022-02-20 23:54:18,805 INFO L226 Difference]: Without dead ends: 232 [2022-02-20 23:54:18,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2022-02-20 23:54:18,805 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 62 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:18,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 507 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:54:18,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2022-02-20 23:54:18,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 190. [2022-02-20 23:54:18,807 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:18,807 INFO L82 GeneralOperation]: Start isEquivalent. First operand 232 states. Second operand has 190 states, 169 states have (on average 1.2958579881656804) internal successors, (219), 189 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:18,808 INFO L74 IsIncluded]: Start isIncluded. First operand 232 states. Second operand has 190 states, 169 states have (on average 1.2958579881656804) internal successors, (219), 189 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:18,808 INFO L87 Difference]: Start difference. First operand 232 states. Second operand has 190 states, 169 states have (on average 1.2958579881656804) internal successors, (219), 189 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:18,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:18,810 INFO L93 Difference]: Finished difference Result 232 states and 263 transitions. [2022-02-20 23:54:18,810 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 263 transitions. [2022-02-20 23:54:18,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:18,810 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:18,810 INFO L74 IsIncluded]: Start isIncluded. First operand has 190 states, 169 states have (on average 1.2958579881656804) internal successors, (219), 189 states have internal predecessors, (219), 0 states have call successors, (0), 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 232 states. [2022-02-20 23:54:18,820 INFO L87 Difference]: Start difference. First operand has 190 states, 169 states have (on average 1.2958579881656804) internal successors, (219), 189 states have internal predecessors, (219), 0 states have call successors, (0), 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 232 states. [2022-02-20 23:54:18,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:18,829 INFO L93 Difference]: Finished difference Result 232 states and 263 transitions. [2022-02-20 23:54:18,829 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 263 transitions. [2022-02-20 23:54:18,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:18,830 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:18,830 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:18,830 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:18,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 169 states have (on average 1.2958579881656804) internal successors, (219), 189 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 219 transitions. [2022-02-20 23:54:18,832 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 219 transitions. Word has length 31 [2022-02-20 23:54:18,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:18,832 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 219 transitions. [2022-02-20 23:54:18,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 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 23:54:18,832 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 219 transitions. [2022-02-20 23:54:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-20 23:54:18,833 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:18,833 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, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:54:18,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-20 23:54:18,833 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:18,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:18,834 INFO L85 PathProgramCache]: Analyzing trace with hash 605010984, now seen corresponding path program 1 times [2022-02-20 23:54:18,834 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:18,834 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838412365] [2022-02-20 23:54:18,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:18,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:18,981 INFO L290 TraceCheckUtils]: 0: Hoare triple {19190#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(17, 2); {19190#true} is VALID [2022-02-20 23:54:18,981 INFO L290 TraceCheckUtils]: 1: Hoare triple {19190#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {19190#true} is VALID [2022-02-20 23:54:18,982 INFO L290 TraceCheckUtils]: 2: Hoare triple {19190#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {19192#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:18,982 INFO L290 TraceCheckUtils]: 3: Hoare triple {19192#(= (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 {19192#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:18,982 INFO L290 TraceCheckUtils]: 4: Hoare triple {19192#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19192#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:18,982 INFO L290 TraceCheckUtils]: 5: Hoare triple {19192#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1; {19192#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:18,983 INFO L290 TraceCheckUtils]: 6: Hoare triple {19192#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(2, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-1 {19192#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:54:18,983 INFO L290 TraceCheckUtils]: 7: Hoare triple {19192#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(16); {19193#(not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:18,984 INFO L290 TraceCheckUtils]: 8: Hoare triple {19193#(not (= |ULTIMATE.start_main_#t~malloc3#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_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-3 {19194#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:18,984 INFO L290 TraceCheckUtils]: 9: Hoare triple {19194#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {19194#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:18,985 INFO L290 TraceCheckUtils]: 10: Hoare triple {19194#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-5 {19195#(and (= |ULTIMATE.start_main_#t~mem4#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~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:18,985 INFO L290 TraceCheckUtils]: 11: Hoare triple {19195#(and (= |ULTIMATE.start_main_#t~mem4#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~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem4#1.base, main_#t~mem4#1.offset, 4); srcloc: L1000-6 {19196#(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| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0))} is VALID [2022-02-20 23:54:18,986 INFO L290 TraceCheckUtils]: 12: Hoare triple {19196#(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| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0))} havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {19196#(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| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0))} is VALID [2022-02-20 23:54:18,986 INFO L290 TraceCheckUtils]: 13: Hoare triple {19196#(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| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {19196#(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| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0))} is VALID [2022-02-20 23:54:18,987 INFO L290 TraceCheckUtils]: 14: Hoare triple {19196#(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| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {19196#(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| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0))} is VALID [2022-02-20 23:54:18,987 INFO L290 TraceCheckUtils]: 15: Hoare triple {19196#(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| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {19196#(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| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0))} is VALID [2022-02-20 23:54:18,988 INFO L290 TraceCheckUtils]: 16: Hoare triple {19196#(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| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} is VALID [2022-02-20 23:54:18,988 INFO L290 TraceCheckUtils]: 17: Hoare triple {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} is VALID [2022-02-20 23:54:18,989 INFO L290 TraceCheckUtils]: 18: Hoare triple {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} is VALID [2022-02-20 23:54:18,989 INFO L290 TraceCheckUtils]: 19: Hoare triple {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} main_#t~short16#1 := 2 == main_#t~mem14#1; {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} is VALID [2022-02-20 23:54:18,990 INFO L290 TraceCheckUtils]: 20: Hoare triple {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} assume main_#t~short16#1; {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} is VALID [2022-02-20 23:54:18,990 INFO L290 TraceCheckUtils]: 21: Hoare triple {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} is VALID [2022-02-20 23:54:18,991 INFO L290 TraceCheckUtils]: 22: Hoare triple {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} is VALID [2022-02-20 23:54:18,991 INFO L290 TraceCheckUtils]: 23: Hoare triple {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} main_#t~short19#1 := main_#t~short16#1; {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} is VALID [2022-02-20 23:54:18,992 INFO L290 TraceCheckUtils]: 24: Hoare triple {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} assume main_#t~short19#1; {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} is VALID [2022-02-20 23:54:18,992 INFO L290 TraceCheckUtils]: 25: Hoare triple {19197#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 0))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {19198#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem17#1.base|) |ULTIMATE.start_main_#t~mem17#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem17#1.base|) |ULTIMATE.start_main_#t~mem17#1.offset|) 0))} is VALID [2022-02-20 23:54:18,993 INFO L290 TraceCheckUtils]: 26: Hoare triple {19198#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem17#1.base|) |ULTIMATE.start_main_#t~mem17#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem17#1.base|) |ULTIMATE.start_main_#t~mem17#1.offset|) 0))} SUMMARY for call main_#t~mem18#1.base, main_#t~mem18#1.offset := read~$Pointer$(main_#t~mem17#1.base, main_#t~mem17#1.offset, 4); srcloc: L1009-9 {19199#(and (= |ULTIMATE.start_main_#t~mem18#1.offset| 0) (= |ULTIMATE.start_main_#t~mem18#1.base| 0))} is VALID [2022-02-20 23:54:18,993 INFO L290 TraceCheckUtils]: 27: Hoare triple {19199#(and (= |ULTIMATE.start_main_#t~mem18#1.offset| 0) (= |ULTIMATE.start_main_#t~mem18#1.base| 0))} main_#t~short19#1 := main_#t~mem18#1.base == 0 && main_#t~mem18#1.offset == 0; {19200#|ULTIMATE.start_main_#t~short19#1|} is VALID [2022-02-20 23:54:18,993 INFO L290 TraceCheckUtils]: 28: Hoare triple {19200#|ULTIMATE.start_main_#t~short19#1|} main_#t~short21#1 := main_#t~short19#1; {19201#|ULTIMATE.start_main_#t~short21#1|} is VALID [2022-02-20 23:54:18,994 INFO L290 TraceCheckUtils]: 29: Hoare triple {19201#|ULTIMATE.start_main_#t~short21#1|} assume !main_#t~short21#1; {19191#false} is VALID [2022-02-20 23:54:18,994 INFO L290 TraceCheckUtils]: 30: Hoare triple {19191#false} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {19191#false} is VALID [2022-02-20 23:54:18,994 INFO L290 TraceCheckUtils]: 31: Hoare triple {19191#false} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {19191#false} is VALID [2022-02-20 23:54:18,994 INFO L290 TraceCheckUtils]: 32: Hoare triple {19191#false} assume !main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {19191#false} is VALID [2022-02-20 23:54:18,994 INFO L290 TraceCheckUtils]: 33: Hoare triple {19191#false} assume !false; {19191#false} is VALID [2022-02-20 23:54:18,994 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 23:54:18,994 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:18,995 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838412365] [2022-02-20 23:54:18,995 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838412365] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:18,995 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:18,995 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-20 23:54:18,995 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921725707] [2022-02-20 23:54:18,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:18,995 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 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 23:54:18,995 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:18,996 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 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 23:54:19,019 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 23:54:19,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-20 23:54:19,020 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:19,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-20 23:54:19,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:54:19,021 INFO L87 Difference]: Start difference. First operand 190 states and 219 transitions. Second operand has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 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 23:54:20,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:20,597 INFO L93 Difference]: Finished difference Result 228 states and 254 transitions. [2022-02-20 23:54:20,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 23:54:20,597 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 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 23:54:20,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 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 23:54:20,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 175 transitions. [2022-02-20 23:54:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 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 23:54:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 175 transitions. [2022-02-20 23:54:20,599 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 175 transitions. [2022-02-20 23:54:20,723 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:20,725 INFO L225 Difference]: With dead ends: 228 [2022-02-20 23:54:20,725 INFO L226 Difference]: Without dead ends: 228 [2022-02-20 23:54:20,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=551, Unknown=0, NotChecked=0, Total=702 [2022-02-20 23:54:20,726 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 190 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:20,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 743 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-20 23:54:20,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-02-20 23:54:20,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 187. [2022-02-20 23:54:20,728 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:20,728 INFO L82 GeneralOperation]: Start isEquivalent. First operand 228 states. Second operand has 187 states, 166 states have (on average 1.2891566265060241) internal successors, (214), 186 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:20,728 INFO L74 IsIncluded]: Start isIncluded. First operand 228 states. Second operand has 187 states, 166 states have (on average 1.2891566265060241) internal successors, (214), 186 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:20,729 INFO L87 Difference]: Start difference. First operand 228 states. Second operand has 187 states, 166 states have (on average 1.2891566265060241) internal successors, (214), 186 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:20,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:20,731 INFO L93 Difference]: Finished difference Result 228 states and 254 transitions. [2022-02-20 23:54:20,731 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 254 transitions. [2022-02-20 23:54:20,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:20,731 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:20,731 INFO L74 IsIncluded]: Start isIncluded. First operand has 187 states, 166 states have (on average 1.2891566265060241) internal successors, (214), 186 states have internal predecessors, (214), 0 states have call successors, (0), 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 228 states. [2022-02-20 23:54:20,731 INFO L87 Difference]: Start difference. First operand has 187 states, 166 states have (on average 1.2891566265060241) internal successors, (214), 186 states have internal predecessors, (214), 0 states have call successors, (0), 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 228 states. [2022-02-20 23:54:20,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:20,733 INFO L93 Difference]: Finished difference Result 228 states and 254 transitions. [2022-02-20 23:54:20,733 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 254 transitions. [2022-02-20 23:54:20,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:20,734 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:20,734 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:20,734 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:20,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 166 states have (on average 1.2891566265060241) internal successors, (214), 186 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:20,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 214 transitions. [2022-02-20 23:54:20,736 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 214 transitions. Word has length 34 [2022-02-20 23:54:20,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:20,736 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 214 transitions. [2022-02-20 23:54:20,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 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 23:54:20,736 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 214 transitions. [2022-02-20 23:54:20,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-02-20 23:54:20,737 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:20,737 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:54:20,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-02-20 23:54:20,737 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:20,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:20,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1443725027, now seen corresponding path program 1 times [2022-02-20 23:54:20,737 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:20,738 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598334124] [2022-02-20 23:54:20,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:20,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:20,807 INFO L290 TraceCheckUtils]: 0: Hoare triple {20105#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(17, 2); {20105#true} is VALID [2022-02-20 23:54:20,808 INFO L290 TraceCheckUtils]: 1: Hoare triple {20105#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {20107#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:20,808 INFO L290 TraceCheckUtils]: 2: Hoare triple {20107#(= |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 {20107#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:20,808 INFO L290 TraceCheckUtils]: 3: Hoare triple {20107#(= |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 {20107#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:20,809 INFO L290 TraceCheckUtils]: 4: Hoare triple {20107#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {20107#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:20,809 INFO L290 TraceCheckUtils]: 5: Hoare triple {20107#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {20107#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:20,809 INFO L290 TraceCheckUtils]: 6: Hoare triple {20107#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {20107#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:20,809 INFO L290 TraceCheckUtils]: 7: Hoare triple {20107#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {20107#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:20,810 INFO L290 TraceCheckUtils]: 8: Hoare triple {20107#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,810 INFO L290 TraceCheckUtils]: 9: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,811 INFO L290 TraceCheckUtils]: 10: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,811 INFO L290 TraceCheckUtils]: 11: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,811 INFO L290 TraceCheckUtils]: 12: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,812 INFO L290 TraceCheckUtils]: 13: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,812 INFO L290 TraceCheckUtils]: 14: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,812 INFO L290 TraceCheckUtils]: 15: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short16#1 := 2 == main_#t~mem14#1; {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,813 INFO L290 TraceCheckUtils]: 16: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short16#1; {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,813 INFO L290 TraceCheckUtils]: 17: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short19#1 := main_#t~short16#1; {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,813 INFO L290 TraceCheckUtils]: 18: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short19#1; {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,814 INFO L290 TraceCheckUtils]: 19: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short21#1 := main_#t~short19#1; {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,814 INFO L290 TraceCheckUtils]: 20: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short21#1; {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,815 INFO L290 TraceCheckUtils]: 21: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 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_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,815 INFO L290 TraceCheckUtils]: 22: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,815 INFO L290 TraceCheckUtils]: 23: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,816 INFO L290 TraceCheckUtils]: 24: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,816 INFO L290 TraceCheckUtils]: 25: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009-22 {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,816 INFO L290 TraceCheckUtils]: 26: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,817 INFO L290 TraceCheckUtils]: 27: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:20,817 INFO L290 TraceCheckUtils]: 28: Hoare triple {20108#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {20109#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 8) 0))} is VALID [2022-02-20 23:54:20,826 INFO L290 TraceCheckUtils]: 29: Hoare triple {20109#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 8) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {20110#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0)} is VALID [2022-02-20 23:54:20,826 INFO L290 TraceCheckUtils]: 30: Hoare triple {20110#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0)} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1018 {20110#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0)} is VALID [2022-02-20 23:54:20,826 INFO L290 TraceCheckUtils]: 31: Hoare triple {20110#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset; {20110#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0)} is VALID [2022-02-20 23:54:20,827 INFO L290 TraceCheckUtils]: 32: Hoare triple {20110#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0)} SUMMARY for call main_#t~mem24#1 := read~int(main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1019 {20110#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0)} is VALID [2022-02-20 23:54:20,827 INFO L290 TraceCheckUtils]: 33: Hoare triple {20110#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0)} assume 2 == main_#t~mem24#1;havoc main_#t~mem24#1; {20110#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0)} is VALID [2022-02-20 23:54:20,827 INFO L290 TraceCheckUtils]: 34: Hoare triple {20110#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) 0)} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1020 {20111#(= |ULTIMATE.start_main_#t~mem25#1.offset| 0)} is VALID [2022-02-20 23:54:20,828 INFO L290 TraceCheckUtils]: 35: Hoare triple {20111#(= |ULTIMATE.start_main_#t~mem25#1.offset| 0)} assume !(0 == main_#t~mem25#1.offset); {20106#false} is VALID [2022-02-20 23:54:20,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:54:20,828 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:20,828 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598334124] [2022-02-20 23:54:20,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598334124] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:20,828 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:20,828 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:54:20,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590659532] [2022-02-20 23:54:20,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:20,829 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-02-20 23:54:20,829 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:20,829 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:20,850 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:20,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:54:20,850 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:20,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:54:20,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:54:20,851 INFO L87 Difference]: Start difference. First operand 187 states and 214 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:21,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:21,359 INFO L93 Difference]: Finished difference Result 234 states and 265 transitions. [2022-02-20 23:54:21,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:54:21,359 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-02-20 23:54:21,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:21,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 172 transitions. [2022-02-20 23:54:21,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:21,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 172 transitions. [2022-02-20 23:54:21,360 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 172 transitions. [2022-02-20 23:54:21,476 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:21,479 INFO L225 Difference]: With dead ends: 234 [2022-02-20 23:54:21,479 INFO L226 Difference]: Without dead ends: 234 [2022-02-20 23:54:21,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:54:21,479 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 182 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:21,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 335 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:54:21,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-02-20 23:54:21,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 204. [2022-02-20 23:54:21,481 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:21,482 INFO L82 GeneralOperation]: Start isEquivalent. First operand 234 states. Second operand has 204 states, 183 states have (on average 1.2677595628415301) internal successors, (232), 203 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 23:54:21,482 INFO L74 IsIncluded]: Start isIncluded. First operand 234 states. Second operand has 204 states, 183 states have (on average 1.2677595628415301) internal successors, (232), 203 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 23:54:21,482 INFO L87 Difference]: Start difference. First operand 234 states. Second operand has 204 states, 183 states have (on average 1.2677595628415301) internal successors, (232), 203 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 23:54:21,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:21,484 INFO L93 Difference]: Finished difference Result 234 states and 265 transitions. [2022-02-20 23:54:21,484 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 265 transitions. [2022-02-20 23:54:21,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:21,484 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:21,484 INFO L74 IsIncluded]: Start isIncluded. First operand has 204 states, 183 states have (on average 1.2677595628415301) internal successors, (232), 203 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 234 states. [2022-02-20 23:54:21,486 INFO L87 Difference]: Start difference. First operand has 204 states, 183 states have (on average 1.2677595628415301) internal successors, (232), 203 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 234 states. [2022-02-20 23:54:21,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:21,488 INFO L93 Difference]: Finished difference Result 234 states and 265 transitions. [2022-02-20 23:54:21,488 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 265 transitions. [2022-02-20 23:54:21,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:21,488 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:21,488 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:21,488 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:21,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 183 states have (on average 1.2677595628415301) internal successors, (232), 203 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 23:54:21,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 232 transitions. [2022-02-20 23:54:21,490 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 232 transitions. Word has length 36 [2022-02-20 23:54:21,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:21,491 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 232 transitions. [2022-02-20 23:54:21,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 232 transitions. [2022-02-20 23:54:21,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-02-20 23:54:21,491 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:21,491 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:54:21,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-20 23:54:21,492 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:21,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:21,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1443714042, now seen corresponding path program 1 times [2022-02-20 23:54:21,492 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:21,492 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141461808] [2022-02-20 23:54:21,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:21,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:21,524 INFO L290 TraceCheckUtils]: 0: Hoare triple {21024#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(17, 2); {21024#true} is VALID [2022-02-20 23:54:21,524 INFO L290 TraceCheckUtils]: 1: Hoare triple {21024#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,524 INFO L290 TraceCheckUtils]: 2: Hoare triple {21026#(<= (+ |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 {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,525 INFO L290 TraceCheckUtils]: 3: Hoare triple {21026#(<= (+ |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 {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,525 INFO L290 TraceCheckUtils]: 4: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,525 INFO L290 TraceCheckUtils]: 5: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,526 INFO L290 TraceCheckUtils]: 6: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,526 INFO L290 TraceCheckUtils]: 7: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,526 INFO L290 TraceCheckUtils]: 8: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,526 INFO L290 TraceCheckUtils]: 9: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,527 INFO L290 TraceCheckUtils]: 10: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,527 INFO L290 TraceCheckUtils]: 11: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,527 INFO L290 TraceCheckUtils]: 12: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,527 INFO L290 TraceCheckUtils]: 13: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,527 INFO L290 TraceCheckUtils]: 14: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,528 INFO L290 TraceCheckUtils]: 15: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short16#1 := 2 == main_#t~mem14#1; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,528 INFO L290 TraceCheckUtils]: 16: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short16#1; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,528 INFO L290 TraceCheckUtils]: 17: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short19#1 := main_#t~short16#1; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,528 INFO L290 TraceCheckUtils]: 18: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short19#1; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,529 INFO L290 TraceCheckUtils]: 19: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short21#1 := main_#t~short19#1; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,529 INFO L290 TraceCheckUtils]: 20: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short21#1; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,529 INFO L290 TraceCheckUtils]: 21: Hoare triple {21026#(<= (+ |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_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,529 INFO L290 TraceCheckUtils]: 22: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,530 INFO L290 TraceCheckUtils]: 23: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !!main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,530 INFO L290 TraceCheckUtils]: 24: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} goto; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,530 INFO L290 TraceCheckUtils]: 25: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009-22 {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,531 INFO L290 TraceCheckUtils]: 26: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,531 INFO L290 TraceCheckUtils]: 27: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,531 INFO L290 TraceCheckUtils]: 28: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21027#(<= (+ |ULTIMATE.start_main_~x~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,531 INFO L290 TraceCheckUtils]: 29: Hoare triple {21027#(<= (+ |ULTIMATE.start_main_~x~0#1.base| 1) |#StackHeapBarrier|)} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,532 INFO L290 TraceCheckUtils]: 30: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1018 {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,532 INFO L290 TraceCheckUtils]: 31: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,532 INFO L290 TraceCheckUtils]: 32: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem24#1 := read~int(main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1019 {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,532 INFO L290 TraceCheckUtils]: 33: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(2 == main_#t~mem24#1);havoc main_#t~mem24#1; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,533 INFO L290 TraceCheckUtils]: 34: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume 0 == main_~head~0#1.offset; {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:21,533 INFO L290 TraceCheckUtils]: 35: Hoare triple {21026#(<= (+ |ULTIMATE.start_main_~head~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~head~0#1.base < #StackHeapBarrier); {21025#false} is VALID [2022-02-20 23:54:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:54:21,533 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:21,533 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141461808] [2022-02-20 23:54:21,534 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141461808] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:54:21,534 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:54:21,534 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:54:21,534 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916218356] [2022-02-20 23:54:21,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:54:21,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-02-20 23:54:21,535 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:21,535 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:21,555 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:21,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:54:21,555 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:21,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:54:21,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:54:21,555 INFO L87 Difference]: Start difference. First operand 204 states and 232 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:21,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:21,762 INFO L93 Difference]: Finished difference Result 221 states and 243 transitions. [2022-02-20 23:54:21,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:54:21,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-02-20 23:54:21,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:21,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 163 transitions. [2022-02-20 23:54:21,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:21,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 163 transitions. [2022-02-20 23:54:21,764 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 163 transitions. [2022-02-20 23:54:21,877 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 163 edges. 163 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:21,879 INFO L225 Difference]: With dead ends: 221 [2022-02-20 23:54:21,879 INFO L226 Difference]: Without dead ends: 221 [2022-02-20 23:54:21,879 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 23:54:21,880 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 124 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:21,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 136 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:54:21,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-02-20 23:54:21,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 206. [2022-02-20 23:54:21,882 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:21,882 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand has 206 states, 185 states have (on average 1.2648648648648648) internal successors, (234), 205 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:21,882 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand has 206 states, 185 states have (on average 1.2648648648648648) internal successors, (234), 205 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:21,882 INFO L87 Difference]: Start difference. First operand 221 states. Second operand has 206 states, 185 states have (on average 1.2648648648648648) internal successors, (234), 205 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:21,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:21,884 INFO L93 Difference]: Finished difference Result 221 states and 243 transitions. [2022-02-20 23:54:21,884 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 243 transitions. [2022-02-20 23:54:21,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:21,885 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:21,885 INFO L74 IsIncluded]: Start isIncluded. First operand has 206 states, 185 states have (on average 1.2648648648648648) internal successors, (234), 205 states have internal predecessors, (234), 0 states have call successors, (0), 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 221 states. [2022-02-20 23:54:21,885 INFO L87 Difference]: Start difference. First operand has 206 states, 185 states have (on average 1.2648648648648648) internal successors, (234), 205 states have internal predecessors, (234), 0 states have call successors, (0), 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 221 states. [2022-02-20 23:54:21,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:21,887 INFO L93 Difference]: Finished difference Result 221 states and 243 transitions. [2022-02-20 23:54:21,888 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 243 transitions. [2022-02-20 23:54:21,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:21,888 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:21,888 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:21,888 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 185 states have (on average 1.2648648648648648) internal successors, (234), 205 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 234 transitions. [2022-02-20 23:54:21,890 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 234 transitions. Word has length 36 [2022-02-20 23:54:21,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:21,890 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 234 transitions. [2022-02-20 23:54:21,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:21,890 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 234 transitions. [2022-02-20 23:54:21,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-20 23:54:21,891 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:21,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:54:21,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-20 23:54:21,891 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:21,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:21,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1805802628, now seen corresponding path program 1 times [2022-02-20 23:54:21,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:21,892 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931248079] [2022-02-20 23:54:21,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:21,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:22,109 INFO L290 TraceCheckUtils]: 0: Hoare triple {21901#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(17, 2); {21901#true} is VALID [2022-02-20 23:54:22,110 INFO L290 TraceCheckUtils]: 1: Hoare triple {21901#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:22,110 INFO L290 TraceCheckUtils]: 2: Hoare triple {21903#(= |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 {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:22,110 INFO L290 TraceCheckUtils]: 3: Hoare triple {21903#(= |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 {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:22,111 INFO L290 TraceCheckUtils]: 4: Hoare triple {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:22,111 INFO L290 TraceCheckUtils]: 5: Hoare triple {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:22,111 INFO L290 TraceCheckUtils]: 6: Hoare triple {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:22,111 INFO L290 TraceCheckUtils]: 7: Hoare triple {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:22,112 INFO L290 TraceCheckUtils]: 8: Hoare triple {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:22,112 INFO L290 TraceCheckUtils]: 9: Hoare triple {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:22,112 INFO L290 TraceCheckUtils]: 10: Hoare triple {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:22,113 INFO L290 TraceCheckUtils]: 11: Hoare triple {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:22,113 INFO L290 TraceCheckUtils]: 12: Hoare triple {21903#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21904#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:22,113 INFO L290 TraceCheckUtils]: 13: Hoare triple {21904#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {21904#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:22,114 INFO L290 TraceCheckUtils]: 14: Hoare triple {21904#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {21905#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_#t~mem14#1|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:22,114 INFO L290 TraceCheckUtils]: 15: Hoare triple {21905#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_#t~mem14#1|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short16#1 := 2 == main_#t~mem14#1; {21906#(and (or |ULTIMATE.start_main_#t~short16#1| (and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:22,115 INFO L290 TraceCheckUtils]: 16: Hoare triple {21906#(and (or |ULTIMATE.start_main_#t~short16#1| (and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short16#1; {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:22,115 INFO L290 TraceCheckUtils]: 17: Hoare triple {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} main_#t~short19#1 := main_#t~short16#1; {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:22,116 INFO L290 TraceCheckUtils]: 18: Hoare triple {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !main_#t~short19#1; {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:22,116 INFO L290 TraceCheckUtils]: 19: Hoare triple {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} main_#t~short21#1 := main_#t~short19#1; {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:22,117 INFO L290 TraceCheckUtils]: 20: Hoare triple {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !main_#t~short21#1; {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:22,117 INFO L290 TraceCheckUtils]: 21: Hoare triple {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:22,118 INFO L290 TraceCheckUtils]: 22: Hoare triple {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:22,118 INFO L290 TraceCheckUtils]: 23: Hoare triple {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !!main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:22,119 INFO L290 TraceCheckUtils]: 24: Hoare triple {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} goto; {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:22,119 INFO L290 TraceCheckUtils]: 25: Hoare triple {21907#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (+ 12 |ULTIMATE.start_main_~x~0#1.offset|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= 2 (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009-22 {21908#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)))} is VALID [2022-02-20 23:54:22,119 INFO L290 TraceCheckUtils]: 26: Hoare triple {21908#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {21908#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)))} is VALID [2022-02-20 23:54:22,120 INFO L290 TraceCheckUtils]: 27: Hoare triple {21908#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)))} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {21908#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)))} is VALID [2022-02-20 23:54:22,120 INFO L290 TraceCheckUtils]: 28: Hoare triple {21908#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21909#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 12) 2)))} is VALID [2022-02-20 23:54:22,121 INFO L290 TraceCheckUtils]: 29: Hoare triple {21909#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 12) 2)))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {21910#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2))} is VALID [2022-02-20 23:54:22,121 INFO L290 TraceCheckUtils]: 30: Hoare triple {21910#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1018 {21910#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2))} is VALID [2022-02-20 23:54:22,121 INFO L290 TraceCheckUtils]: 31: Hoare triple {21910#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset; {21910#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2))} is VALID [2022-02-20 23:54:22,122 INFO L290 TraceCheckUtils]: 32: Hoare triple {21910#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 2))} SUMMARY for call main_#t~mem24#1 := read~int(main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1019 {21911#(not (= 2 |ULTIMATE.start_main_#t~mem24#1|))} is VALID [2022-02-20 23:54:22,122 INFO L290 TraceCheckUtils]: 33: Hoare triple {21911#(not (= 2 |ULTIMATE.start_main_#t~mem24#1|))} assume 2 == main_#t~mem24#1;havoc main_#t~mem24#1; {21902#false} is VALID [2022-02-20 23:54:22,122 INFO L290 TraceCheckUtils]: 34: Hoare triple {21902#false} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1020 {21902#false} is VALID [2022-02-20 23:54:22,122 INFO L290 TraceCheckUtils]: 35: Hoare triple {21902#false} assume 0 == main_#t~mem25#1.offset; {21902#false} is VALID [2022-02-20 23:54:22,122 INFO L290 TraceCheckUtils]: 36: Hoare triple {21902#false} assume !(main_#t~mem25#1.base < #StackHeapBarrier); {21902#false} is VALID [2022-02-20 23:54:22,123 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 23:54:22,123 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:22,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931248079] [2022-02-20 23:54:22,123 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931248079] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:54:22,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940216760] [2022-02-20 23:54:22,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:22,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:22,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:22,125 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 23:54:22,125 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 23:54:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:22,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-20 23:54:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:22,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:23,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:23,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-02-20 23:54:23,333 INFO L290 TraceCheckUtils]: 0: Hoare triple {21901#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(17, 2); {21901#true} is VALID [2022-02-20 23:54:23,333 INFO L290 TraceCheckUtils]: 1: Hoare triple {21901#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,334 INFO L290 TraceCheckUtils]: 2: Hoare triple {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |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 {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,334 INFO L290 TraceCheckUtils]: 3: Hoare triple {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |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 {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,334 INFO L290 TraceCheckUtils]: 4: Hoare triple {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,335 INFO L290 TraceCheckUtils]: 5: Hoare triple {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,335 INFO L290 TraceCheckUtils]: 6: Hoare triple {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,336 INFO L290 TraceCheckUtils]: 7: Hoare triple {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,336 INFO L290 TraceCheckUtils]: 8: Hoare triple {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,336 INFO L290 TraceCheckUtils]: 9: Hoare triple {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,337 INFO L290 TraceCheckUtils]: 10: Hoare triple {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,337 INFO L290 TraceCheckUtils]: 11: Hoare triple {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,337 INFO L290 TraceCheckUtils]: 12: Hoare triple {21918#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,338 INFO L290 TraceCheckUtils]: 13: Hoare triple {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,338 INFO L290 TraceCheckUtils]: 14: Hoare triple {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,351 INFO L290 TraceCheckUtils]: 15: Hoare triple {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short16#1 := 2 == main_#t~mem14#1; {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,367 INFO L290 TraceCheckUtils]: 16: Hoare triple {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short16#1; {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,368 INFO L290 TraceCheckUtils]: 17: Hoare triple {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short19#1 := main_#t~short16#1; {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,369 INFO L290 TraceCheckUtils]: 18: Hoare triple {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short19#1; {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,369 INFO L290 TraceCheckUtils]: 19: Hoare triple {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short21#1 := main_#t~short19#1; {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,370 INFO L290 TraceCheckUtils]: 20: Hoare triple {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short21#1; {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,370 INFO L290 TraceCheckUtils]: 21: Hoare triple {21952#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |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_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {21980#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_#t~mem20#1.base|))} is VALID [2022-02-20 23:54:23,371 INFO L290 TraceCheckUtils]: 22: Hoare triple {21980#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_#t~mem20#1.base|))} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {21984#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (or (not |ULTIMATE.start_main_#t~short21#1|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,371 INFO L290 TraceCheckUtils]: 23: Hoare triple {21984#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (or (not |ULTIMATE.start_main_#t~short21#1|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {21988#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:23,372 INFO L290 TraceCheckUtils]: 24: Hoare triple {21988#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))} goto; {21988#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:23,373 INFO L290 TraceCheckUtils]: 25: Hoare triple {21988#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009-22 {21995#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,374 INFO L290 TraceCheckUtils]: 26: Hoare triple {21995#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {21995#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,375 INFO L290 TraceCheckUtils]: 27: Hoare triple {21995#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {21995#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,386 INFO L290 TraceCheckUtils]: 28: Hoare triple {21995#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {22005#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_57| Int)) (and (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_57|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_57|)) |ULTIMATE.start_main_~x~0#1.base|) (<= |v_ULTIMATE.start_main_~x~0#1.offset_57| 0))) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))} is VALID [2022-02-20 23:54:23,387 INFO L290 TraceCheckUtils]: 29: Hoare triple {22005#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_57| Int)) (and (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_57|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_57|)) |ULTIMATE.start_main_~x~0#1.base|) (<= |v_ULTIMATE.start_main_~x~0#1.offset_57| 0))) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {22009#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_57| Int)) (and (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_57|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_57|)) |ULTIMATE.start_main_~head~0#1.base|) (<= |v_ULTIMATE.start_main_~x~0#1.offset_57| 0))) (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,388 INFO L290 TraceCheckUtils]: 30: Hoare triple {22009#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_57| Int)) (and (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_57|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_57|)) |ULTIMATE.start_main_~head~0#1.base|) (<= |v_ULTIMATE.start_main_~x~0#1.offset_57| 0))) (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1018 {21995#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,388 INFO L290 TraceCheckUtils]: 31: Hoare triple {21995#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset; {21995#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,389 INFO L290 TraceCheckUtils]: 32: Hoare triple {21995#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem24#1 := read~int(main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1019 {21995#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,389 INFO L290 TraceCheckUtils]: 33: Hoare triple {21995#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 2 == main_#t~mem24#1;havoc main_#t~mem24#1; {21995#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:23,390 INFO L290 TraceCheckUtils]: 34: Hoare triple {21995#(and (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (<= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1020 {22025#(< |ULTIMATE.start_main_#t~mem25#1.base| |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:23,391 INFO L290 TraceCheckUtils]: 35: Hoare triple {22025#(< |ULTIMATE.start_main_#t~mem25#1.base| |#StackHeapBarrier|)} assume 0 == main_#t~mem25#1.offset; {22025#(< |ULTIMATE.start_main_#t~mem25#1.base| |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:23,391 INFO L290 TraceCheckUtils]: 36: Hoare triple {22025#(< |ULTIMATE.start_main_#t~mem25#1.base| |#StackHeapBarrier|)} assume !(main_#t~mem25#1.base < #StackHeapBarrier); {21902#false} is VALID [2022-02-20 23:54:23,391 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 23:54:23,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:54:24,144 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:24,145 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 20 treesize of output 23 [2022-02-20 23:54:24,808 INFO L290 TraceCheckUtils]: 36: Hoare triple {22025#(< |ULTIMATE.start_main_#t~mem25#1.base| |#StackHeapBarrier|)} assume !(main_#t~mem25#1.base < #StackHeapBarrier); {21902#false} is VALID [2022-02-20 23:54:24,809 INFO L290 TraceCheckUtils]: 35: Hoare triple {22025#(< |ULTIMATE.start_main_#t~mem25#1.base| |#StackHeapBarrier|)} assume 0 == main_#t~mem25#1.offset; {22025#(< |ULTIMATE.start_main_#t~mem25#1.base| |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:24,809 INFO L290 TraceCheckUtils]: 34: Hoare triple {22038#(< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem25#1.base, main_#t~mem25#1.offset := read~$Pointer$(main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1020 {22025#(< |ULTIMATE.start_main_#t~mem25#1.base| |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:24,809 INFO L290 TraceCheckUtils]: 33: Hoare triple {22038#(< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |#StackHeapBarrier|)} assume 2 == main_#t~mem24#1;havoc main_#t~mem24#1; {22038#(< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:24,810 INFO L290 TraceCheckUtils]: 32: Hoare triple {22038#(< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem24#1 := read~int(main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1019 {22038#(< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:24,810 INFO L290 TraceCheckUtils]: 31: Hoare triple {22038#(< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |#StackHeapBarrier|)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset; {22038#(< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:24,811 INFO L290 TraceCheckUtils]: 30: Hoare triple {22051#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |#StackHeapBarrier|))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1018 {22038#(< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |#StackHeapBarrier|)} is VALID [2022-02-20 23:54:24,811 INFO L290 TraceCheckUtils]: 29: Hoare triple {22055#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |#StackHeapBarrier|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {22051#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |#StackHeapBarrier|))} is VALID [2022-02-20 23:54:24,812 INFO L290 TraceCheckUtils]: 28: Hoare triple {22059#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~head~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|)) |#StackHeapBarrier|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {22055#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |#StackHeapBarrier|))} is VALID [2022-02-20 23:54:24,812 INFO L290 TraceCheckUtils]: 27: Hoare triple {22059#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~head~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|)) |#StackHeapBarrier|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|))))} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {22059#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~head~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|)) |#StackHeapBarrier|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|))))} is VALID [2022-02-20 23:54:24,813 INFO L290 TraceCheckUtils]: 26: Hoare triple {22059#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~head~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|)) |#StackHeapBarrier|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {22059#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~head~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|)) |#StackHeapBarrier|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|))))} is VALID [2022-02-20 23:54:24,813 INFO L290 TraceCheckUtils]: 25: Hoare triple {22069#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~head~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|)) |#StackHeapBarrier|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|)))))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009-22 {22059#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~head~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|)) |#StackHeapBarrier|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|))))} is VALID [2022-02-20 23:54:24,814 INFO L290 TraceCheckUtils]: 24: Hoare triple {22069#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~head~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|)) |#StackHeapBarrier|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|)))))} goto; {22069#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~head~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|)) |#StackHeapBarrier|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|)))))} is VALID [2022-02-20 23:54:24,814 INFO L290 TraceCheckUtils]: 23: Hoare triple {22076#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (not |ULTIMATE.start_main_#t~short21#1|) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~head~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|)) |#StackHeapBarrier|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|)))))} assume !!main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {22069#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~head~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|)) |#StackHeapBarrier|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|)))))} is VALID [2022-02-20 23:54:24,815 INFO L290 TraceCheckUtils]: 22: Hoare triple {22080#(or (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem20#1.base|)) (< |ULTIMATE.start_main_~x~0#1.offset| 0) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~head~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|)) |#StackHeapBarrier|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|)))))} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {22076#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (not |ULTIMATE.start_main_#t~short21#1|) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~head~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|)) |#StackHeapBarrier|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|)))))} is VALID [2022-02-20 23:54:24,816 INFO L290 TraceCheckUtils]: 21: Hoare triple {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {22080#(or (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem20#1.base|)) (< |ULTIMATE.start_main_~x~0#1.offset| 0) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_59| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_59| |ULTIMATE.start_main_~head~0#1.offset|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ 8 |v_ULTIMATE.start_main_~x~0#1.offset_59|)) |#StackHeapBarrier|) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_59|)))))} is VALID [2022-02-20 23:54:24,816 INFO L290 TraceCheckUtils]: 20: Hoare triple {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !main_#t~short21#1; {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:24,817 INFO L290 TraceCheckUtils]: 19: Hoare triple {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short21#1 := main_#t~short19#1; {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:24,818 INFO L290 TraceCheckUtils]: 18: Hoare triple {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !main_#t~short19#1; {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:24,818 INFO L290 TraceCheckUtils]: 17: Hoare triple {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short19#1 := main_#t~short16#1; {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:24,819 INFO L290 TraceCheckUtils]: 16: Hoare triple {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !main_#t~short16#1; {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:24,819 INFO L290 TraceCheckUtils]: 15: Hoare triple {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short16#1 := 2 == main_#t~mem14#1; {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:24,820 INFO L290 TraceCheckUtils]: 14: Hoare triple {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:24,821 INFO L290 TraceCheckUtils]: 13: Hoare triple {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:24,821 INFO L290 TraceCheckUtils]: 12: Hoare triple {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {22084#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_~x~0#1.base| |#StackHeapBarrier|))) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:24,822 INFO L290 TraceCheckUtils]: 11: Hoare triple {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:24,822 INFO L290 TraceCheckUtils]: 10: Hoare triple {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:24,823 INFO L290 TraceCheckUtils]: 9: Hoare triple {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:24,823 INFO L290 TraceCheckUtils]: 8: Hoare triple {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:24,824 INFO L290 TraceCheckUtils]: 7: Hoare triple {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:24,824 INFO L290 TraceCheckUtils]: 6: Hoare triple {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:24,825 INFO L290 TraceCheckUtils]: 5: Hoare triple {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:24,825 INFO L290 TraceCheckUtils]: 4: Hoare triple {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:24,826 INFO L290 TraceCheckUtils]: 3: Hoare triple {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |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 {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:24,826 INFO L290 TraceCheckUtils]: 2: Hoare triple {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |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 {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:24,827 INFO L290 TraceCheckUtils]: 1: Hoare triple {21901#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {22112#(and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))} is VALID [2022-02-20 23:54:24,827 INFO L290 TraceCheckUtils]: 0: Hoare triple {21901#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(17, 2); {21901#true} is VALID [2022-02-20 23:54:24,827 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 23:54:24,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940216760] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:54:24,828 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:54:24,828 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 29 [2022-02-20 23:54:24,828 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089827758] [2022-02-20 23:54:24,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:54:24,828 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.689655172413793) internal successors, (107), 29 states have internal predecessors, (107), 0 states have call successors, (0), 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 37 [2022-02-20 23:54:24,829 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:24,829 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 29 states, 29 states have (on average 3.689655172413793) internal successors, (107), 29 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:24,912 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:24,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-20 23:54:24,912 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:24,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-20 23:54:24,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2022-02-20 23:54:24,913 INFO L87 Difference]: Start difference. First operand 206 states and 234 transitions. Second operand has 29 states, 29 states have (on average 3.689655172413793) internal successors, (107), 29 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call 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 L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:26,937 INFO L93 Difference]: Finished difference Result 239 states and 268 transitions. [2022-02-20 23:54:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-20 23:54:26,937 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.689655172413793) internal successors, (107), 29 states have internal predecessors, (107), 0 states have call successors, (0), 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 37 [2022-02-20 23:54:26,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:26,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 3.689655172413793) internal successors, (107), 29 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 179 transitions. [2022-02-20 23:54:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 3.689655172413793) internal successors, (107), 29 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call 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 L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 179 transitions. [2022-02-20 23:54:26,940 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 179 transitions. [2022-02-20 23:54:27,069 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 179 edges. 179 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:27,071 INFO L225 Difference]: With dead ends: 239 [2022-02-20 23:54:27,071 INFO L226 Difference]: Without dead ends: 239 [2022-02-20 23:54:27,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 60 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=380, Invalid=1690, Unknown=0, NotChecked=0, Total=2070 [2022-02-20 23:54:27,072 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 243 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 268 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:27,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 900 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 686 Invalid, 0 Unknown, 268 Unchecked, 0.5s Time] [2022-02-20 23:54:27,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-02-20 23:54:27,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 237. [2022-02-20 23:54:27,075 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:27,075 INFO L82 GeneralOperation]: Start isEquivalent. First operand 239 states. Second operand has 237 states, 216 states have (on average 1.2361111111111112) internal successors, (267), 236 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:27,075 INFO L74 IsIncluded]: Start isIncluded. First operand 239 states. Second operand has 237 states, 216 states have (on average 1.2361111111111112) internal successors, (267), 236 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:27,075 INFO L87 Difference]: Start difference. First operand 239 states. Second operand has 237 states, 216 states have (on average 1.2361111111111112) internal successors, (267), 236 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:27,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:27,078 INFO L93 Difference]: Finished difference Result 239 states and 268 transitions. [2022-02-20 23:54:27,078 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 268 transitions. [2022-02-20 23:54:27,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:27,078 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:27,078 INFO L74 IsIncluded]: Start isIncluded. First operand has 237 states, 216 states have (on average 1.2361111111111112) internal successors, (267), 236 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 239 states. [2022-02-20 23:54:27,079 INFO L87 Difference]: Start difference. First operand has 237 states, 216 states have (on average 1.2361111111111112) internal successors, (267), 236 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 239 states. [2022-02-20 23:54:27,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:27,081 INFO L93 Difference]: Finished difference Result 239 states and 268 transitions. [2022-02-20 23:54:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 268 transitions. [2022-02-20 23:54:27,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:27,082 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:27,082 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:27,082 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:27,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 216 states have (on average 1.2361111111111112) internal successors, (267), 236 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 267 transitions. [2022-02-20 23:54:27,085 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 267 transitions. Word has length 37 [2022-02-20 23:54:27,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:27,085 INFO L470 AbstractCegarLoop]: Abstraction has 237 states and 267 transitions. [2022-02-20 23:54:27,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.689655172413793) internal successors, (107), 29 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:27,086 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 267 transitions. [2022-02-20 23:54:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-20 23:54:27,086 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:27,086 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] [2022-02-20 23:54:27,103 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 23:54:27,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-02-20 23:54:27,303 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:27,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:27,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1898858598, now seen corresponding path program 1 times [2022-02-20 23:54:27,304 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:27,304 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529246513] [2022-02-20 23:54:27,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:27,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:27,640 INFO L290 TraceCheckUtils]: 0: Hoare triple {23142#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(17, 2); {23142#true} is VALID [2022-02-20 23:54:27,641 INFO L290 TraceCheckUtils]: 1: Hoare triple {23142#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {23144#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:27,641 INFO L290 TraceCheckUtils]: 2: Hoare triple {23144#(= |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 {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,642 INFO L290 TraceCheckUtils]: 3: Hoare triple {23145#(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 {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,642 INFO L290 TraceCheckUtils]: 4: Hoare triple {23145#(and (= |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; {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,643 INFO L290 TraceCheckUtils]: 5: Hoare triple {23145#(and (= |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;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,643 INFO L290 TraceCheckUtils]: 6: Hoare triple {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,643 INFO L290 TraceCheckUtils]: 7: Hoare triple {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,644 INFO L290 TraceCheckUtils]: 8: Hoare triple {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {23146#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,644 INFO L290 TraceCheckUtils]: 9: Hoare triple {23146#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23147#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,645 INFO L290 TraceCheckUtils]: 10: Hoare triple {23147#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {23147#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,645 INFO L290 TraceCheckUtils]: 11: Hoare triple {23147#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {23148#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:27,646 INFO L290 TraceCheckUtils]: 12: Hoare triple {23148#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {23149#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:54:27,647 INFO L290 TraceCheckUtils]: 13: Hoare triple {23149#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {23149#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:54:27,647 INFO L290 TraceCheckUtils]: 14: Hoare triple {23149#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {23150#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,648 INFO L290 TraceCheckUtils]: 15: Hoare triple {23150#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_#t~mem8#1.base, 4 + main_#t~mem8#1.offset, 4); srcloc: L1003-6 {23149#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:54:27,649 INFO L290 TraceCheckUtils]: 16: Hoare triple {23149#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {23149#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:54:27,650 INFO L290 TraceCheckUtils]: 17: Hoare triple {23149#(and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-8 {23151#(and (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,650 INFO L290 TraceCheckUtils]: 18: Hoare triple {23151#(and (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {23152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,651 INFO L290 TraceCheckUtils]: 19: Hoare triple {23152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-10 {23152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,652 INFO L290 TraceCheckUtils]: 20: Hoare triple {23152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647; {23152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,652 INFO L290 TraceCheckUtils]: 21: Hoare triple {23152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {23152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,653 INFO L290 TraceCheckUtils]: 22: Hoare triple {23152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {23152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,653 INFO L290 TraceCheckUtils]: 23: Hoare triple {23152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(1, main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1003-22 {23152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,654 INFO L290 TraceCheckUtils]: 24: Hoare triple {23152#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1003-23 {23146#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,654 INFO L290 TraceCheckUtils]: 25: Hoare triple {23146#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {23146#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,655 INFO L290 TraceCheckUtils]: 26: Hoare triple {23146#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {23146#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,657 INFO L290 TraceCheckUtils]: 27: Hoare triple {23146#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23153#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,657 INFO L290 TraceCheckUtils]: 28: Hoare triple {23153#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {23153#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,658 INFO L290 TraceCheckUtils]: 29: Hoare triple {23153#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {23153#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,658 INFO L290 TraceCheckUtils]: 30: Hoare triple {23153#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} main_#t~short16#1 := 2 == main_#t~mem14#1; {23153#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,658 INFO L290 TraceCheckUtils]: 31: Hoare triple {23153#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} assume main_#t~short16#1; {23153#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:27,659 INFO L290 TraceCheckUtils]: 32: Hoare triple {23153#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {23154#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:27,659 INFO L290 TraceCheckUtils]: 33: Hoare triple {23154#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {23155#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:27,660 INFO L290 TraceCheckUtils]: 34: Hoare triple {23155#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short19#1 := main_#t~short16#1; {23155#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:27,660 INFO L290 TraceCheckUtils]: 35: Hoare triple {23155#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume main_#t~short19#1; {23155#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:27,661 INFO L290 TraceCheckUtils]: 36: Hoare triple {23155#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {23156#(= 1 (select |#valid| |ULTIMATE.start_main_#t~mem17#1.base|))} is VALID [2022-02-20 23:54:27,661 INFO L290 TraceCheckUtils]: 37: Hoare triple {23156#(= 1 (select |#valid| |ULTIMATE.start_main_#t~mem17#1.base|))} assume !(1 == #valid[main_#t~mem17#1.base]); {23143#false} is VALID [2022-02-20 23:54:27,661 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 23:54:27,661 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:27,661 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529246513] [2022-02-20 23:54:27,661 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529246513] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:54:27,662 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733204084] [2022-02-20 23:54:27,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:27,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:27,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:27,663 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 23:54:27,664 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 23:54:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:27,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 49 conjunts are in the unsatisfiable core [2022-02-20 23:54:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:27,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:27,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 23:54:27,842 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 13 treesize of output 9 [2022-02-20 23:54:27,849 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 13 treesize of output 9 [2022-02-20 23:54:27,943 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:54:27,943 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 23:54:27,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:27,996 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 23:54:28,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:28,007 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 23:54:28,114 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:28,114 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 37 [2022-02-20 23:54:28,121 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 20 treesize of output 22 [2022-02-20 23:54:28,331 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:54:28,331 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 16 treesize of output 22 [2022-02-20 23:54:28,336 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 7 treesize of output 3 [2022-02-20 23:54:28,361 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:28,361 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 23:54:28,612 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:28,612 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 23:54:28,650 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:54:28,650 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 16 treesize of output 22 [2022-02-20 23:54:28,654 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 7 treesize of output 3 [2022-02-20 23:54:28,771 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:28,771 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 23:54:28,785 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 20 treesize of output 22 [2022-02-20 23:54:29,164 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 23:54:29,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:29,177 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:29,178 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2022-02-20 23:54:29,247 INFO L290 TraceCheckUtils]: 0: Hoare triple {23142#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(17, 2); {23142#true} is VALID [2022-02-20 23:54:29,248 INFO L290 TraceCheckUtils]: 1: Hoare triple {23142#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:29,249 INFO L290 TraceCheckUtils]: 2: Hoare triple {23145#(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 {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:29,249 INFO L290 TraceCheckUtils]: 3: Hoare triple {23145#(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 {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:29,250 INFO L290 TraceCheckUtils]: 4: Hoare triple {23145#(and (= |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; {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:29,250 INFO L290 TraceCheckUtils]: 5: Hoare triple {23145#(and (= |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;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:29,250 INFO L290 TraceCheckUtils]: 6: Hoare triple {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:29,251 INFO L290 TraceCheckUtils]: 7: Hoare triple {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:29,251 INFO L290 TraceCheckUtils]: 8: Hoare triple {23145#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {23184#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:29,252 INFO L290 TraceCheckUtils]: 9: Hoare triple {23184#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23188#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:29,252 INFO L290 TraceCheckUtils]: 10: Hoare triple {23188#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {23188#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:29,253 INFO L290 TraceCheckUtils]: 11: Hoare triple {23188#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {23195#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:29,254 INFO L290 TraceCheckUtils]: 12: Hoare triple {23195#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {23199#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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 23:54:29,254 INFO L290 TraceCheckUtils]: 13: Hoare triple {23199#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {23199#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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 23:54:29,255 INFO L290 TraceCheckUtils]: 14: Hoare triple {23199#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {23206#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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 23:54:29,256 INFO L290 TraceCheckUtils]: 15: Hoare triple {23206#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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 write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_#t~mem8#1.base, 4 + main_#t~mem8#1.offset, 4); srcloc: L1003-6 {23199#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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 23:54:29,257 INFO L290 TraceCheckUtils]: 16: Hoare triple {23199#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))))} havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {23199#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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 23:54:29,258 INFO L290 TraceCheckUtils]: 17: Hoare triple {23199#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-8 {23216#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_#t~mem9#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.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| 8))))} is VALID [2022-02-20 23:54:29,258 INFO L290 TraceCheckUtils]: 18: Hoare triple {23216#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_#t~mem9#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.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| 8))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {23220#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:29,259 INFO L290 TraceCheckUtils]: 19: Hoare triple {23220#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-10 {23220#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:29,260 INFO L290 TraceCheckUtils]: 20: Hoare triple {23220#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647; {23220#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:29,261 INFO L290 TraceCheckUtils]: 21: Hoare triple {23220#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {23220#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:29,262 INFO L290 TraceCheckUtils]: 22: Hoare triple {23220#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {23220#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:29,263 INFO L290 TraceCheckUtils]: 23: Hoare triple {23220#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~int(1, main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1003-22 {23220#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:29,264 INFO L290 TraceCheckUtils]: 24: Hoare triple {23220#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1003-23 {23239#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:54:29,265 INFO L290 TraceCheckUtils]: 25: Hoare triple {23239#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {23239#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:54:29,266 INFO L290 TraceCheckUtils]: 26: Hoare triple {23239#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {23239#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:54:29,266 INFO L290 TraceCheckUtils]: 27: Hoare triple {23239#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_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))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23249#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_64| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_64| |ULTIMATE.start_main_~x~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_64|) |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:54:29,267 INFO L290 TraceCheckUtils]: 28: Hoare triple {23249#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_64| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_64| |ULTIMATE.start_main_~x~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_64|) |ULTIMATE.start_main_~x~0#1.base|)))))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {23249#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_64| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_64| |ULTIMATE.start_main_~x~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_64|) |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:54:29,268 INFO L290 TraceCheckUtils]: 29: Hoare triple {23249#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_64| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_64| |ULTIMATE.start_main_~x~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_64|) |ULTIMATE.start_main_~x~0#1.base|)))))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {23249#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_64| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_64| |ULTIMATE.start_main_~x~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_64|) |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:54:29,269 INFO L290 TraceCheckUtils]: 30: Hoare triple {23249#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_64| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_64| |ULTIMATE.start_main_~x~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_64|) |ULTIMATE.start_main_~x~0#1.base|)))))} main_#t~short16#1 := 2 == main_#t~mem14#1; {23249#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_64| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_64| |ULTIMATE.start_main_~x~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_64|) |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:54:29,269 INFO L290 TraceCheckUtils]: 31: Hoare triple {23249#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_64| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_64| |ULTIMATE.start_main_~x~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_64|) |ULTIMATE.start_main_~x~0#1.base|)))))} assume main_#t~short16#1; {23249#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_64| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_64| |ULTIMATE.start_main_~x~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_64|) |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:54:29,270 INFO L290 TraceCheckUtils]: 32: Hoare triple {23249#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_64| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_64| |ULTIMATE.start_main_~x~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_64|) |ULTIMATE.start_main_~x~0#1.base|)))))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {23265#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem15#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:29,270 INFO L290 TraceCheckUtils]: 33: Hoare triple {23265#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem15#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {23269#(not |ULTIMATE.start_main_#t~short16#1|)} is VALID [2022-02-20 23:54:29,271 INFO L290 TraceCheckUtils]: 34: Hoare triple {23269#(not |ULTIMATE.start_main_#t~short16#1|)} main_#t~short19#1 := main_#t~short16#1; {23273#(not |ULTIMATE.start_main_#t~short19#1|)} is VALID [2022-02-20 23:54:29,271 INFO L290 TraceCheckUtils]: 35: Hoare triple {23273#(not |ULTIMATE.start_main_#t~short19#1|)} assume main_#t~short19#1; {23143#false} is VALID [2022-02-20 23:54:29,271 INFO L290 TraceCheckUtils]: 36: Hoare triple {23143#false} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {23143#false} is VALID [2022-02-20 23:54:29,271 INFO L290 TraceCheckUtils]: 37: Hoare triple {23143#false} assume !(1 == #valid[main_#t~mem17#1.base]); {23143#false} is VALID [2022-02-20 23:54:29,272 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 23:54:29,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:54:29,397 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1109 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.base| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1109) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1110 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1110) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))))) is different from false [2022-02-20 23:54:29,443 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1110 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1110) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1109) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.base|))) is different from false [2022-02-20 23:54:29,453 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1109 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.base| (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1110 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))))) is different from false [2022-02-20 23:54:29,474 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1110 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1103) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1104) |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1104))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109)) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.base|))) is different from false [2022-02-20 23:54:29,487 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1104))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109)) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1110 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_1103) (select (select (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_1104) |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110)) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))))) is different from false [2022-02-20 23:54:29,677 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_9| Int)) (or (and (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1100 Int) (v_ArrVal_1110 (Array Int Int))) (= (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1100)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1103) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.base| (select (select (let ((.cse0 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109)) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))))) (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|) 0)))) is different from false [2022-02-20 23:54:29,996 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_9| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |c_ULTIMATE.start_main_~head~0#1.offset|)) (and (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1100 Int) (v_ArrVal_1110 (Array Int Int))) (= (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67| v_ArrVal_1100)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1103) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) v_ArrVal_1110) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.base| (select (select (let ((.cse0 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) v_ArrVal_1109)) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))))))) is different from false [2022-02-20 23:54:30,053 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:30,058 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:30,058 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 2 case distinctions, treesize of input 97 treesize of output 103 [2022-02-20 23:54:30,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:30,075 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:30,075 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 2 case distinctions, treesize of input 103 treesize of output 82 [2022-02-20 23:54:30,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:30,098 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:30,099 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 220 treesize of output 184 [2022-02-20 23:54:30,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:30,124 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:30,125 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 424 treesize of output 390 [2022-02-20 23:54:30,169 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 156 treesize of output 148 [2022-02-20 23:54:30,182 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 148 treesize of output 132 [2022-02-20 23:54:30,197 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 132 treesize of output 120 [2022-02-20 23:54:30,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:30,214 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 0 case distinctions, treesize of input 120 treesize of output 112 [2022-02-20 23:54:30,229 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 112 treesize of output 108 [2022-02-20 23:54:30,323 INFO L290 TraceCheckUtils]: 37: Hoare triple {23143#false} assume !(1 == #valid[main_#t~mem17#1.base]); {23143#false} is VALID [2022-02-20 23:54:30,323 INFO L290 TraceCheckUtils]: 36: Hoare triple {23143#false} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {23143#false} is VALID [2022-02-20 23:54:30,323 INFO L290 TraceCheckUtils]: 35: Hoare triple {23273#(not |ULTIMATE.start_main_#t~short19#1|)} assume main_#t~short19#1; {23143#false} is VALID [2022-02-20 23:54:30,324 INFO L290 TraceCheckUtils]: 34: Hoare triple {23269#(not |ULTIMATE.start_main_#t~short16#1|)} main_#t~short19#1 := main_#t~short16#1; {23273#(not |ULTIMATE.start_main_#t~short19#1|)} is VALID [2022-02-20 23:54:30,324 INFO L290 TraceCheckUtils]: 33: Hoare triple {23295#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem15#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {23269#(not |ULTIMATE.start_main_#t~short16#1|)} is VALID [2022-02-20 23:54:30,324 INFO L290 TraceCheckUtils]: 32: Hoare triple {23299#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {23295#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem15#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:30,325 INFO L290 TraceCheckUtils]: 31: Hoare triple {23299#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume main_#t~short16#1; {23299#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:30,325 INFO L290 TraceCheckUtils]: 30: Hoare triple {23299#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short16#1 := 2 == main_#t~mem14#1; {23299#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:30,326 INFO L290 TraceCheckUtils]: 29: Hoare triple {23299#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {23299#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:30,326 INFO L290 TraceCheckUtils]: 28: Hoare triple {23299#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {23299#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:30,326 INFO L290 TraceCheckUtils]: 27: Hoare triple {23315#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23299#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:30,327 INFO L290 TraceCheckUtils]: 26: Hoare triple {23315#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {23315#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:30,327 INFO L290 TraceCheckUtils]: 25: Hoare triple {23315#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {23315#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:30,328 INFO L290 TraceCheckUtils]: 24: Hoare triple {23325#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1003-23 {23315#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:30,330 WARN L290 TraceCheckUtils]: 23: Hoare triple {23325#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~int(1, main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1003-22 {23325#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is UNKNOWN [2022-02-20 23:54:30,331 INFO L290 TraceCheckUtils]: 22: Hoare triple {23325#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {23325#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:30,332 INFO L290 TraceCheckUtils]: 21: Hoare triple {23325#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {23325#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:30,332 INFO L290 TraceCheckUtils]: 20: Hoare triple {23325#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647; {23325#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:30,335 WARN L290 TraceCheckUtils]: 19: Hoare triple {23325#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-10 {23325#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is UNKNOWN [2022-02-20 23:54:30,335 INFO L290 TraceCheckUtils]: 18: Hoare triple {23344#(and (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1110 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {23325#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:30,336 INFO L290 TraceCheckUtils]: 17: Hoare triple {23348#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-8 {23344#(and (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1110 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:54:30,337 INFO L290 TraceCheckUtils]: 16: Hoare triple {23348#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {23348#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:30,338 INFO L290 TraceCheckUtils]: 15: Hoare triple {23355#(and (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1110 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1103) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1104) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_#t~mem8#1.base, 4 + main_#t~mem8#1.offset, 4); srcloc: L1003-6 {23348#(and (forall ((v_ArrVal_1110 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1109 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:30,339 INFO L290 TraceCheckUtils]: 14: Hoare triple {23359#(and (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1110 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1103) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1104) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {23355#(and (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1110 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1103) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1104) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:30,339 INFO L290 TraceCheckUtils]: 13: Hoare triple {23359#(and (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1110 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1103) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1104) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {23359#(and (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1110 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1103) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1104) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:30,341 INFO L290 TraceCheckUtils]: 12: Hoare triple {23366#(and (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1104) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1100 Int) (v_ArrVal_1110 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1100)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1103) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {23359#(and (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1110 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1103) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1104) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:30,347 WARN L290 TraceCheckUtils]: 11: Hoare triple {23370#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_9| Int)) (or (and (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1100 Int) (v_ArrVal_1110 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1100)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1103) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|) 0))))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {23366#(and (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1104) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1100 Int) (v_ArrVal_1110 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1100)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1103) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} is UNKNOWN [2022-02-20 23:54:30,351 WARN L290 TraceCheckUtils]: 10: Hoare triple {23370#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_9| Int)) (or (and (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1100 Int) (v_ArrVal_1110 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1100)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1103) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|) 0))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {23370#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_9| Int)) (or (and (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1100 Int) (v_ArrVal_1110 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1100)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1103) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|) 0))))} is UNKNOWN [2022-02-20 23:54:30,354 WARN L290 TraceCheckUtils]: 9: Hoare triple {23377#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_9| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (and (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1100 Int) (v_ArrVal_1110 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67| v_ArrVal_1100)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1103) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|) 0))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {23370#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_9| Int)) (or (and (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1100 Int) (v_ArrVal_1110 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1100)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1103) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|) 0))))} is UNKNOWN [2022-02-20 23:54:30,355 INFO L290 TraceCheckUtils]: 8: Hoare triple {23381#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {23377#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_9| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (and (forall ((v_ArrVal_1109 (Array Int Int)) (v_ArrVal_1104 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) v_ArrVal_1109) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1104 (Array Int Int)) (v_ArrVal_1103 (Array Int Int)) (v_ArrVal_1100 Int) (v_ArrVal_1110 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67| v_ArrVal_1100)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1103) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_9| v_ArrVal_1104) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|) v_ArrVal_1110) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_9|) 0))))} is VALID [2022-02-20 23:54:30,356 INFO L290 TraceCheckUtils]: 7: Hoare triple {23381#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {23381#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:30,356 INFO L290 TraceCheckUtils]: 6: Hoare triple {23381#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {23381#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:30,356 INFO L290 TraceCheckUtils]: 5: Hoare triple {23381#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {23381#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:30,357 INFO L290 TraceCheckUtils]: 4: Hoare triple {23381#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {23381#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:30,357 INFO L290 TraceCheckUtils]: 3: Hoare triple {23381#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {23381#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:30,357 INFO L290 TraceCheckUtils]: 2: Hoare triple {23381#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {23381#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:30,358 INFO L290 TraceCheckUtils]: 1: Hoare triple {23142#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {23381#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:30,358 INFO L290 TraceCheckUtils]: 0: Hoare triple {23142#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(17, 2); {23142#true} is VALID [2022-02-20 23:54:30,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-02-20 23:54:30,358 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733204084] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:54:30,358 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:54:30,358 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 16] total 39 [2022-02-20 23:54:30,359 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708126881] [2022-02-20 23:54:30,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:54:30,359 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 2.641025641025641) internal successors, (103), 39 states have internal predecessors, (103), 0 states have call successors, (0), 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 38 [2022-02-20 23:54:30,359 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:30,359 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 39 states, 39 states have (on average 2.641025641025641) internal successors, (103), 39 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:30,462 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 97 inductive. 0 not inductive. 6 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:30,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-20 23:54:30,463 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:30,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-20 23:54:30,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=868, Unknown=13, NotChecked=462, Total=1482 [2022-02-20 23:54:30,463 INFO L87 Difference]: Start difference. First operand 237 states and 267 transitions. Second operand has 39 states, 39 states have (on average 2.641025641025641) internal successors, (103), 39 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:34,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:34,018 INFO L93 Difference]: Finished difference Result 358 states and 397 transitions. [2022-02-20 23:54:34,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-20 23:54:34,018 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 2.641025641025641) internal successors, (103), 39 states have internal predecessors, (103), 0 states have call successors, (0), 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 38 [2022-02-20 23:54:34,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:34,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 2.641025641025641) internal successors, (103), 39 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:34,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 287 transitions. [2022-02-20 23:54:34,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 2.641025641025641) internal successors, (103), 39 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:34,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 287 transitions. [2022-02-20 23:54:34,021 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 36 states and 287 transitions. [2022-02-20 23:54:34,163 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 287 edges. 287 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:34,167 INFO L225 Difference]: With dead ends: 358 [2022-02-20 23:54:34,167 INFO L226 Difference]: Without dead ends: 358 [2022-02-20 23:54:34,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 55 SyntacticMatches, 12 SemanticMatches, 64 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 910 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=611, Invalid=2824, Unknown=15, NotChecked=840, Total=4290 [2022-02-20 23:54:34,168 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 481 mSDsluCounter, 1366 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1450 SdHoareTripleChecker+Invalid, 2904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1617 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:34,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [481 Valid, 1450 Invalid, 2904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1248 Invalid, 0 Unknown, 1617 Unchecked, 0.8s Time] [2022-02-20 23:54:34,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-02-20 23:54:34,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 261. [2022-02-20 23:54:34,172 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:34,172 INFO L82 GeneralOperation]: Start isEquivalent. First operand 358 states. Second operand has 261 states, 240 states have (on average 1.2291666666666667) internal successors, (295), 260 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:34,172 INFO L74 IsIncluded]: Start isIncluded. First operand 358 states. Second operand has 261 states, 240 states have (on average 1.2291666666666667) internal successors, (295), 260 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:34,173 INFO L87 Difference]: Start difference. First operand 358 states. Second operand has 261 states, 240 states have (on average 1.2291666666666667) internal successors, (295), 260 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:34,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:34,177 INFO L93 Difference]: Finished difference Result 358 states and 397 transitions. [2022-02-20 23:54:34,177 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 397 transitions. [2022-02-20 23:54:34,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:34,177 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:34,177 INFO L74 IsIncluded]: Start isIncluded. First operand has 261 states, 240 states have (on average 1.2291666666666667) internal successors, (295), 260 states have internal predecessors, (295), 0 states have call successors, (0), 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 358 states. [2022-02-20 23:54:34,178 INFO L87 Difference]: Start difference. First operand has 261 states, 240 states have (on average 1.2291666666666667) internal successors, (295), 260 states have internal predecessors, (295), 0 states have call successors, (0), 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 358 states. [2022-02-20 23:54:34,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:34,182 INFO L93 Difference]: Finished difference Result 358 states and 397 transitions. [2022-02-20 23:54:34,182 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 397 transitions. [2022-02-20 23:54:34,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:34,182 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:34,182 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:34,182 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 240 states have (on average 1.2291666666666667) internal successors, (295), 260 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:34,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 295 transitions. [2022-02-20 23:54:34,185 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 295 transitions. Word has length 38 [2022-02-20 23:54:34,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:34,186 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 295 transitions. [2022-02-20 23:54:34,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.641025641025641) internal successors, (103), 39 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:34,186 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 295 transitions. [2022-02-20 23:54:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-20 23:54:34,186 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:34,186 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] [2022-02-20 23:54:34,205 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 23:54:34,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:34,395 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:34,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:34,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1535563358, now seen corresponding path program 1 times [2022-02-20 23:54:34,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:34,396 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123605324] [2022-02-20 23:54:34,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:34,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:34,695 INFO L290 TraceCheckUtils]: 0: Hoare triple {24806#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(17, 2); {24806#true} is VALID [2022-02-20 23:54:34,696 INFO L290 TraceCheckUtils]: 1: Hoare triple {24806#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {24808#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:34,696 INFO L290 TraceCheckUtils]: 2: Hoare triple {24808#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,697 INFO L290 TraceCheckUtils]: 3: Hoare triple {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,697 INFO L290 TraceCheckUtils]: 4: Hoare triple {24809#(and (= |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; {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,698 INFO L290 TraceCheckUtils]: 5: Hoare triple {24809#(and (= |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;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,698 INFO L290 TraceCheckUtils]: 6: Hoare triple {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,699 INFO L290 TraceCheckUtils]: 7: Hoare triple {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,699 INFO L290 TraceCheckUtils]: 8: Hoare triple {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {24810#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,700 INFO L290 TraceCheckUtils]: 9: Hoare triple {24810#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {24811#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,700 INFO L290 TraceCheckUtils]: 10: Hoare triple {24811#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {24811#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,701 INFO L290 TraceCheckUtils]: 11: Hoare triple {24811#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {24812#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:34,702 INFO L290 TraceCheckUtils]: 12: Hoare triple {24812#(and (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {24813#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:54:34,702 INFO L290 TraceCheckUtils]: 13: Hoare triple {24813#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {24813#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:54:34,703 INFO L290 TraceCheckUtils]: 14: Hoare triple {24813#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {24814#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,703 INFO L290 TraceCheckUtils]: 15: Hoare triple {24814#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_#t~mem8#1.base, 4 + main_#t~mem8#1.offset, 4); srcloc: L1003-6 {24813#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:54:34,704 INFO L290 TraceCheckUtils]: 16: Hoare triple {24813#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {24813#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:54:34,704 INFO L290 TraceCheckUtils]: 17: Hoare triple {24813#(and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-8 {24815#(and (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,705 INFO L290 TraceCheckUtils]: 18: Hoare triple {24815#(and (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {24816#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,705 INFO L290 TraceCheckUtils]: 19: Hoare triple {24816#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-10 {24816#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,706 INFO L290 TraceCheckUtils]: 20: Hoare triple {24816#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647; {24816#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,706 INFO L290 TraceCheckUtils]: 21: Hoare triple {24816#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {24816#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,707 INFO L290 TraceCheckUtils]: 22: Hoare triple {24816#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet13#1);havoc main_#t~nondet13#1; {24816#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,708 INFO L290 TraceCheckUtils]: 23: Hoare triple {24816#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1003-25 {24816#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,708 INFO L290 TraceCheckUtils]: 24: Hoare triple {24816#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1003-26 {24817#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,709 INFO L290 TraceCheckUtils]: 25: Hoare triple {24817#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {24817#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,709 INFO L290 TraceCheckUtils]: 26: Hoare triple {24817#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {24817#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,710 INFO L290 TraceCheckUtils]: 27: Hoare triple {24817#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {24818#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,710 INFO L290 TraceCheckUtils]: 28: Hoare triple {24818#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {24818#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,710 INFO L290 TraceCheckUtils]: 29: Hoare triple {24818#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {24818#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,711 INFO L290 TraceCheckUtils]: 30: Hoare triple {24818#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} main_#t~short16#1 := 2 == main_#t~mem14#1; {24818#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,711 INFO L290 TraceCheckUtils]: 31: Hoare triple {24818#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} assume main_#t~short16#1; {24818#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:54:34,712 INFO L290 TraceCheckUtils]: 32: Hoare triple {24818#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {24819#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:34,712 INFO L290 TraceCheckUtils]: 33: Hoare triple {24819#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {24820#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} is VALID [2022-02-20 23:54:34,713 INFO L290 TraceCheckUtils]: 34: Hoare triple {24820#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} main_#t~short19#1 := main_#t~short16#1; {24820#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} is VALID [2022-02-20 23:54:34,713 INFO L290 TraceCheckUtils]: 35: Hoare triple {24820#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} assume main_#t~short19#1; {24820#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} is VALID [2022-02-20 23:54:34,713 INFO L290 TraceCheckUtils]: 36: Hoare triple {24820#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) 1)} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {24821#(= 1 (select |#valid| |ULTIMATE.start_main_#t~mem17#1.base|))} is VALID [2022-02-20 23:54:34,714 INFO L290 TraceCheckUtils]: 37: Hoare triple {24821#(= 1 (select |#valid| |ULTIMATE.start_main_#t~mem17#1.base|))} assume !(1 == #valid[main_#t~mem17#1.base]); {24807#false} is VALID [2022-02-20 23:54:34,714 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 23:54:34,714 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:34,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123605324] [2022-02-20 23:54:34,714 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123605324] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:54:34,715 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764513570] [2022-02-20 23:54:34,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:34,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:34,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:34,716 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 23:54:34,727 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 23:54:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:34,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 49 conjunts are in the unsatisfiable core [2022-02-20 23:54:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:34,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:34,859 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 23:54:34,886 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 13 treesize of output 9 [2022-02-20 23:54:34,888 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 13 treesize of output 9 [2022-02-20 23:54:34,966 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:54:34,966 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 23:54:35,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:35,010 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 23:54:35,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:35,019 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 23:54:35,127 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:35,128 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 37 [2022-02-20 23:54:35,133 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 20 treesize of output 22 [2022-02-20 23:54:35,381 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:35,381 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 23:54:35,412 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:54:35,413 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 16 treesize of output 22 [2022-02-20 23:54:35,416 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 7 treesize of output 3 [2022-02-20 23:54:35,627 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:35,627 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 23:54:35,660 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:54:35,660 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 16 treesize of output 22 [2022-02-20 23:54:35,664 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 7 treesize of output 3 [2022-02-20 23:54:35,744 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:35,745 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 23:54:35,761 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 20 treesize of output 22 [2022-02-20 23:54:36,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:36,166 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:36,167 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2022-02-20 23:54:36,183 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 23:54:36,233 INFO L290 TraceCheckUtils]: 0: Hoare triple {24806#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(17, 2); {24806#true} is VALID [2022-02-20 23:54:36,234 INFO L290 TraceCheckUtils]: 1: Hoare triple {24806#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:36,235 INFO L290 TraceCheckUtils]: 2: Hoare triple {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:36,235 INFO L290 TraceCheckUtils]: 3: Hoare triple {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:36,236 INFO L290 TraceCheckUtils]: 4: Hoare triple {24809#(and (= |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; {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:36,236 INFO L290 TraceCheckUtils]: 5: Hoare triple {24809#(and (= |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;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:36,236 INFO L290 TraceCheckUtils]: 6: Hoare triple {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:36,237 INFO L290 TraceCheckUtils]: 7: Hoare triple {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:36,237 INFO L290 TraceCheckUtils]: 8: Hoare triple {24809#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {24849#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:36,238 INFO L290 TraceCheckUtils]: 9: Hoare triple {24849#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {24853#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:36,238 INFO L290 TraceCheckUtils]: 10: Hoare triple {24853#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {24853#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:36,239 INFO L290 TraceCheckUtils]: 11: Hoare triple {24853#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {24860#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:36,240 INFO L290 TraceCheckUtils]: 12: Hoare triple {24860#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {24864#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:36,240 INFO L290 TraceCheckUtils]: 13: Hoare triple {24864#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {24864#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:36,241 INFO L290 TraceCheckUtils]: 14: Hoare triple {24864#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {24871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:36,242 INFO L290 TraceCheckUtils]: 15: Hoare triple {24871#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_#t~mem8#1.base, 4 + main_#t~mem8#1.offset, 4); srcloc: L1003-6 {24864#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:36,242 INFO L290 TraceCheckUtils]: 16: Hoare triple {24864#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {24864#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:36,243 INFO L290 TraceCheckUtils]: 17: Hoare triple {24864#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-8 {24881#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_#t~mem9#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:36,244 INFO L290 TraceCheckUtils]: 18: Hoare triple {24881#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_#t~mem9#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {24885#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:36,245 INFO L290 TraceCheckUtils]: 19: Hoare triple {24885#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-10 {24885#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:36,246 INFO L290 TraceCheckUtils]: 20: Hoare triple {24885#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647; {24885#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:36,246 INFO L290 TraceCheckUtils]: 21: Hoare triple {24885#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {24885#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:36,248 INFO L290 TraceCheckUtils]: 22: Hoare triple {24885#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !(0 != main_#t~nondet13#1);havoc main_#t~nondet13#1; {24885#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:36,249 INFO L290 TraceCheckUtils]: 23: Hoare triple {24885#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~int(0, main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1003-25 {24885#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:36,250 INFO L290 TraceCheckUtils]: 24: Hoare triple {24885#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1003-26 {24904#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:54:36,250 INFO L290 TraceCheckUtils]: 25: Hoare triple {24904#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {24904#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:54:36,251 INFO L290 TraceCheckUtils]: 26: Hoare triple {24904#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {24904#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:54:36,252 INFO L290 TraceCheckUtils]: 27: Hoare triple {24904#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {24914#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int)) (and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_69|))) (<= |v_ULTIMATE.start_main_~x~0#1.offset_69| |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:36,252 INFO L290 TraceCheckUtils]: 28: Hoare triple {24914#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int)) (and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_69|))) (<= |v_ULTIMATE.start_main_~x~0#1.offset_69| |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {24914#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int)) (and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_69|))) (<= |v_ULTIMATE.start_main_~x~0#1.offset_69| |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:36,253 INFO L290 TraceCheckUtils]: 29: Hoare triple {24914#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int)) (and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_69|))) (<= |v_ULTIMATE.start_main_~x~0#1.offset_69| |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {24914#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int)) (and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_69|))) (<= |v_ULTIMATE.start_main_~x~0#1.offset_69| |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:36,254 INFO L290 TraceCheckUtils]: 30: Hoare triple {24914#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int)) (and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_69|))) (<= |v_ULTIMATE.start_main_~x~0#1.offset_69| |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short16#1 := 2 == main_#t~mem14#1; {24914#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int)) (and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_69|))) (<= |v_ULTIMATE.start_main_~x~0#1.offset_69| |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:36,255 INFO L290 TraceCheckUtils]: 31: Hoare triple {24914#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int)) (and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_69|))) (<= |v_ULTIMATE.start_main_~x~0#1.offset_69| |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume main_#t~short16#1; {24914#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int)) (and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_69|))) (<= |v_ULTIMATE.start_main_~x~0#1.offset_69| |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:36,255 INFO L290 TraceCheckUtils]: 32: Hoare triple {24914#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_69| Int)) (and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_69|))) (<= |v_ULTIMATE.start_main_~x~0#1.offset_69| |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {24930#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem15#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:36,256 INFO L290 TraceCheckUtils]: 33: Hoare triple {24930#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem15#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {24934#(not |ULTIMATE.start_main_#t~short16#1|)} is VALID [2022-02-20 23:54:36,256 INFO L290 TraceCheckUtils]: 34: Hoare triple {24934#(not |ULTIMATE.start_main_#t~short16#1|)} main_#t~short19#1 := main_#t~short16#1; {24938#(not |ULTIMATE.start_main_#t~short19#1|)} is VALID [2022-02-20 23:54:36,256 INFO L290 TraceCheckUtils]: 35: Hoare triple {24938#(not |ULTIMATE.start_main_#t~short19#1|)} assume main_#t~short19#1; {24807#false} is VALID [2022-02-20 23:54:36,256 INFO L290 TraceCheckUtils]: 36: Hoare triple {24807#false} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {24807#false} is VALID [2022-02-20 23:54:36,257 INFO L290 TraceCheckUtils]: 37: Hoare triple {24807#false} assume !(1 == #valid[main_#t~mem17#1.base]); {24807#false} is VALID [2022-02-20 23:54:36,257 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 23:54:36,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:54:36,389 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1243 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.base| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1243) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1242 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1242) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.offset|))) is different from false [2022-02-20 23:54:36,431 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1242 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1242) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1243 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1243) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.base|))) is different from false [2022-02-20 23:54:36,449 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1243 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1242 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))))) is different from false [2022-02-20 23:54:36,468 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1242 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1237) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1236) |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1236))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243)) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.base|))) is different from false [2022-02-20 23:54:36,479 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1242 (Array Int Int))) (= (select (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_1237) (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_1236) |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242)) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (let ((.cse1 (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1236))) (store .cse1 (select (select .cse1 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243)) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.base|))) is different from false [2022-02-20 23:54:36,512 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (let ((.cse0 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| |c_ULTIMATE.start_main_#t~malloc7#1.base|)) |c_ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1236))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243)) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1233 Int) (v_ArrVal_1242 (Array Int Int))) (= (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1233)) |c_ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1237) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| |c_ULTIMATE.start_main_#t~malloc7#1.base|)) |c_ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1236) |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.offset|))) is different from false [2022-02-20 23:54:37,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:37,154 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:37,155 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 2 case distinctions, treesize of input 97 treesize of output 103 [2022-02-20 23:54:37,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:37,167 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:37,167 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 2 case distinctions, treesize of input 103 treesize of output 82 [2022-02-20 23:54:37,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:37,202 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:37,202 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 328 treesize of output 278 [2022-02-20 23:54:37,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:37,254 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:37,254 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 518 treesize of output 484 [2022-02-20 23:54:37,321 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 257 treesize of output 241 [2022-02-20 23:54:37,337 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 241 treesize of output 233 [2022-02-20 23:54:37,356 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 233 treesize of output 221 [2022-02-20 23:54:37,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:37,377 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 0 case distinctions, treesize of input 221 treesize of output 201 [2022-02-20 23:54:37,396 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 201 treesize of output 185 [2022-02-20 23:54:37,545 INFO L290 TraceCheckUtils]: 37: Hoare triple {24807#false} assume !(1 == #valid[main_#t~mem17#1.base]); {24807#false} is VALID [2022-02-20 23:54:37,545 INFO L290 TraceCheckUtils]: 36: Hoare triple {24807#false} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {24807#false} is VALID [2022-02-20 23:54:37,545 INFO L290 TraceCheckUtils]: 35: Hoare triple {24938#(not |ULTIMATE.start_main_#t~short19#1|)} assume main_#t~short19#1; {24807#false} is VALID [2022-02-20 23:54:37,546 INFO L290 TraceCheckUtils]: 34: Hoare triple {24934#(not |ULTIMATE.start_main_#t~short16#1|)} main_#t~short19#1 := main_#t~short16#1; {24938#(not |ULTIMATE.start_main_#t~short19#1|)} is VALID [2022-02-20 23:54:37,546 INFO L290 TraceCheckUtils]: 33: Hoare triple {24960#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem15#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {24934#(not |ULTIMATE.start_main_#t~short16#1|)} is VALID [2022-02-20 23:54:37,546 INFO L290 TraceCheckUtils]: 32: Hoare triple {24964#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {24960#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem15#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:37,547 INFO L290 TraceCheckUtils]: 31: Hoare triple {24964#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume main_#t~short16#1; {24964#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:37,547 INFO L290 TraceCheckUtils]: 30: Hoare triple {24964#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short16#1 := 2 == main_#t~mem14#1; {24964#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:37,548 INFO L290 TraceCheckUtils]: 29: Hoare triple {24964#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {24964#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:37,548 INFO L290 TraceCheckUtils]: 28: Hoare triple {24964#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {24964#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:37,549 INFO L290 TraceCheckUtils]: 27: Hoare triple {24980#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {24964#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:37,549 INFO L290 TraceCheckUtils]: 26: Hoare triple {24980#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {24980#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:37,550 INFO L290 TraceCheckUtils]: 25: Hoare triple {24980#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {24980#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:37,550 INFO L290 TraceCheckUtils]: 24: Hoare triple {24990#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1242 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1003-26 {24980#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:37,553 WARN L290 TraceCheckUtils]: 23: Hoare triple {24990#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1242 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~int(0, main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1003-25 {24990#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1242 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} is UNKNOWN [2022-02-20 23:54:37,554 INFO L290 TraceCheckUtils]: 22: Hoare triple {24990#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1242 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !(0 != main_#t~nondet13#1);havoc main_#t~nondet13#1; {24990#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1242 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:54:37,554 INFO L290 TraceCheckUtils]: 21: Hoare triple {24990#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1242 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {24990#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1242 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:54:37,555 INFO L290 TraceCheckUtils]: 20: Hoare triple {24990#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1242 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647; {24990#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1242 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:54:37,558 WARN L290 TraceCheckUtils]: 19: Hoare triple {24990#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1242 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-10 {24990#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1242 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} is UNKNOWN [2022-02-20 23:54:37,558 INFO L290 TraceCheckUtils]: 18: Hoare triple {25009#(and (forall ((v_ArrVal_1242 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1243 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {24990#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1242 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:54:37,559 INFO L290 TraceCheckUtils]: 17: Hoare triple {25013#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.base| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1242 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-8 {25009#(and (forall ((v_ArrVal_1242 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1243 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:54:37,560 INFO L290 TraceCheckUtils]: 16: Hoare triple {25013#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.base| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1242 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {25013#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.base| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1242 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:54:37,561 INFO L290 TraceCheckUtils]: 15: Hoare triple {25020#(and (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1242 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1237) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1236) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_#t~mem8#1.base, 4 + main_#t~mem8#1.offset, 4); srcloc: L1003-6 {25013#(and (forall ((v_ArrVal_1243 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.base| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1242 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))))} is VALID [2022-02-20 23:54:37,562 INFO L290 TraceCheckUtils]: 14: Hoare triple {25024#(and (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1236) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1242 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1237) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {25020#(and (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1242 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1237) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1236) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:37,562 INFO L290 TraceCheckUtils]: 13: Hoare triple {25024#(and (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1236) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1242 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1237) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {25024#(and (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1236) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1242 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1237) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:54:37,564 INFO L290 TraceCheckUtils]: 12: Hoare triple {25031#(and (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1233 Int) (v_ArrVal_1242 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1233)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1237) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1236) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {25024#(and (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1236) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1242 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1237) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:54:37,569 WARN L290 TraceCheckUtils]: 11: Hoare triple {25035#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_12| Int)) (or (and (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1233 Int) (v_ArrVal_1242 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1233)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1237) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|) 0))))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {25031#(and (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1233 Int) (v_ArrVal_1242 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1233)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1237) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1236) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is UNKNOWN [2022-02-20 23:54:37,574 WARN L290 TraceCheckUtils]: 10: Hoare triple {25035#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_12| Int)) (or (and (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1233 Int) (v_ArrVal_1242 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1233)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1237) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|) 0))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {25035#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_12| Int)) (or (and (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1233 Int) (v_ArrVal_1242 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1233)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1237) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|) 0))))} is UNKNOWN [2022-02-20 23:54:37,577 WARN L290 TraceCheckUtils]: 9: Hoare triple {25042#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_12| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_72| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|) 0)) (and (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1233 Int) (v_ArrVal_1242 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72| v_ArrVal_1233)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1237) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_72| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {25035#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_12| Int)) (or (and (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1233 Int) (v_ArrVal_1242 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1233)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1237) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|) 0))))} is UNKNOWN [2022-02-20 23:54:37,579 INFO L290 TraceCheckUtils]: 8: Hoare triple {25046#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {25042#(forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_12| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_72| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|) 0)) (and (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1233 Int) (v_ArrVal_1242 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72| v_ArrVal_1233)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1237) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72|) v_ArrVal_1242) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72|) v_ArrVal_1243) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_72| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:54:37,579 INFO L290 TraceCheckUtils]: 7: Hoare triple {25046#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {25046#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:37,579 INFO L290 TraceCheckUtils]: 6: Hoare triple {25046#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {25046#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:37,580 INFO L290 TraceCheckUtils]: 5: Hoare triple {25046#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {25046#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:37,580 INFO L290 TraceCheckUtils]: 4: Hoare triple {25046#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {25046#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:37,580 INFO L290 TraceCheckUtils]: 3: Hoare triple {25046#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {25046#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:37,581 INFO L290 TraceCheckUtils]: 2: Hoare triple {25046#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {25046#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:37,581 INFO L290 TraceCheckUtils]: 1: Hoare triple {24806#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {25046#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:37,581 INFO L290 TraceCheckUtils]: 0: Hoare triple {24806#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(17, 2); {24806#true} is VALID [2022-02-20 23:54:37,582 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 23:54:37,582 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764513570] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:54:37,582 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:54:37,582 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 16] total 40 [2022-02-20 23:54:37,582 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869482539] [2022-02-20 23:54:37,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:54:37,583 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 2.575) internal successors, (103), 40 states have internal predecessors, (103), 0 states have call successors, (0), 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 38 [2022-02-20 23:54:37,583 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:37,583 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 40 states, 40 states have (on average 2.575) internal successors, (103), 40 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:37,695 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 97 inductive. 0 not inductive. 6 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:37,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-02-20 23:54:37,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:37,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-02-20 23:54:37,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=999, Unknown=10, NotChecked=414, Total=1560 [2022-02-20 23:54:37,696 INFO L87 Difference]: Start difference. First operand 261 states and 295 transitions. Second operand has 40 states, 40 states have (on average 2.575) internal successors, (103), 40 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:42,733 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) (.cse4 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|)) (.cse1 (+ |c_ULTIMATE.start_main_~x~0#1.offset| 8))) (and (= (select |c_#valid| |c_ULTIMATE.start_main_~x~0#1.base|) 1) (forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_12| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|) 0)) (and (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1233 Int) (v_ArrVal_1242 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_1233)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1237) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1242) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.base| (select (select (let ((.cse0 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1243)) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))))))) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|) .cse1) |c_ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse2) |c_ULTIMATE.start_main_~head~0#1.base|) (forall ((|v_ULTIMATE.start_main_#t~malloc7#1.base_12| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_72| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_72| |c_ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|) 0)) (and (forall ((v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1243 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.base| (select (select (let ((.cse3 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236))) (store .cse3 (select (select .cse3 |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72|) v_ArrVal_1243)) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1237 (Array Int Int)) (v_ArrVal_1236 (Array Int Int)) (v_ArrVal_1233 Int) (v_ArrVal_1242 (Array Int Int))) (= (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72| v_ArrVal_1233)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1237) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72| |v_ULTIMATE.start_main_#t~malloc7#1.base_12|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_12| v_ArrVal_1236) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_72|) v_ArrVal_1242) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.offset|))))) (= (select .cse4 .cse2) |c_ULTIMATE.start_main_~head~0#1.base|) (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_~x~0#1.base|) (= (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|) 1) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse2) |c_ULTIMATE.start_main_~head~0#1.offset|) (not (= |c_ULTIMATE.start_main_~x~0#1.offset| .cse2)) (= (select .cse4 .cse1) |c_ULTIMATE.start_main_~x~0#1.base|))) is different from false [2022-02-20 23:54:44,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:44,625 INFO L93 Difference]: Finished difference Result 523 states and 581 transitions. [2022-02-20 23:54:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-20 23:54:44,625 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 2.575) internal successors, (103), 40 states have internal predecessors, (103), 0 states have call successors, (0), 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 38 [2022-02-20 23:54:44,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:44,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 2.575) internal successors, (103), 40 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:44,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 431 transitions. [2022-02-20 23:54:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 2.575) internal successors, (103), 40 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:44,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 431 transitions. [2022-02-20 23:54:44,629 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 61 states and 431 transitions. [2022-02-20 23:54:44,879 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 431 edges. 430 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:44,887 INFO L225 Difference]: With dead ends: 523 [2022-02-20 23:54:44,887 INFO L226 Difference]: Without dead ends: 523 [2022-02-20 23:54:44,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 54 SyntacticMatches, 7 SemanticMatches, 87 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 1830 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=895, Invalid=5761, Unknown=14, NotChecked=1162, Total=7832 [2022-02-20 23:54:44,889 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 814 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 1740 SdHoareTripleChecker+Invalid, 3347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1815 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:44,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [814 Valid, 1740 Invalid, 3347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1449 Invalid, 0 Unknown, 1815 Unchecked, 1.1s Time] [2022-02-20 23:54:44,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2022-02-20 23:54:44,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 292. [2022-02-20 23:54:44,892 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:44,893 INFO L82 GeneralOperation]: Start isEquivalent. First operand 523 states. Second operand has 292 states, 271 states have (on average 1.2287822878228782) internal successors, (333), 291 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:44,893 INFO L74 IsIncluded]: Start isIncluded. First operand 523 states. Second operand has 292 states, 271 states have (on average 1.2287822878228782) internal successors, (333), 291 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:44,893 INFO L87 Difference]: Start difference. First operand 523 states. Second operand has 292 states, 271 states have (on average 1.2287822878228782) internal successors, (333), 291 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:44,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:44,901 INFO L93 Difference]: Finished difference Result 523 states and 581 transitions. [2022-02-20 23:54:44,901 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 581 transitions. [2022-02-20 23:54:44,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:44,902 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:44,902 INFO L74 IsIncluded]: Start isIncluded. First operand has 292 states, 271 states have (on average 1.2287822878228782) internal successors, (333), 291 states have internal predecessors, (333), 0 states have call successors, (0), 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 523 states. [2022-02-20 23:54:44,902 INFO L87 Difference]: Start difference. First operand has 292 states, 271 states have (on average 1.2287822878228782) internal successors, (333), 291 states have internal predecessors, (333), 0 states have call successors, (0), 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 523 states. [2022-02-20 23:54:44,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:44,911 INFO L93 Difference]: Finished difference Result 523 states and 581 transitions. [2022-02-20 23:54:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 581 transitions. [2022-02-20 23:54:44,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:44,912 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:44,912 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:44,912 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:44,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 271 states have (on average 1.2287822878228782) internal successors, (333), 291 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:44,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 333 transitions. [2022-02-20 23:54:44,915 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 333 transitions. Word has length 38 [2022-02-20 23:54:44,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:44,915 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 333 transitions. [2022-02-20 23:54:44,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.575) internal successors, (103), 40 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:44,916 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 333 transitions. [2022-02-20 23:54:44,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-20 23:54:44,916 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:44,916 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] [2022-02-20 23:54:44,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-20 23:54:45,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:45,132 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr53REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:45,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:45,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1236563031, now seen corresponding path program 1 times [2022-02-20 23:54:45,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:45,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782797119] [2022-02-20 23:54:45,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:45,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:45,392 INFO L290 TraceCheckUtils]: 0: Hoare triple {27036#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(17, 2); {27036#true} is VALID [2022-02-20 23:54:45,393 INFO L290 TraceCheckUtils]: 1: Hoare triple {27036#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {27038#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:45,393 INFO L290 TraceCheckUtils]: 2: Hoare triple {27038#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:45,394 INFO L290 TraceCheckUtils]: 3: Hoare triple {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:45,394 INFO L290 TraceCheckUtils]: 4: Hoare triple {27039#(and (= |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; {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:45,394 INFO L290 TraceCheckUtils]: 5: Hoare triple {27039#(and (= |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;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:45,395 INFO L290 TraceCheckUtils]: 6: Hoare triple {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:45,395 INFO L290 TraceCheckUtils]: 7: Hoare triple {27039#(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, 12 + main_~head~0#1.offset, 4); srcloc: L1000-13 {27040#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:45,396 INFO L290 TraceCheckUtils]: 8: Hoare triple {27040#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-14 {27040#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:45,396 INFO L290 TraceCheckUtils]: 9: Hoare triple {27040#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {27041#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:45,397 INFO L290 TraceCheckUtils]: 10: Hoare triple {27041#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {27041#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:45,397 INFO L290 TraceCheckUtils]: 11: Hoare triple {27041#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {27042#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:45,398 INFO L290 TraceCheckUtils]: 12: Hoare triple {27042#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {27043#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:54:45,399 INFO L290 TraceCheckUtils]: 13: Hoare triple {27043#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {27043#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:54:45,399 INFO L290 TraceCheckUtils]: 14: Hoare triple {27043#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {27044#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))))} is VALID [2022-02-20 23:54:45,400 INFO L290 TraceCheckUtils]: 15: Hoare triple {27044#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_#t~mem8#1.base, 4 + main_#t~mem8#1.offset, 4); srcloc: L1003-6 {27043#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:54:45,400 INFO L290 TraceCheckUtils]: 16: Hoare triple {27043#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {27043#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:54:45,401 INFO L290 TraceCheckUtils]: 17: Hoare triple {27043#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.offset| (+ |ULTIMATE.start_main_~head~0#1.offset| 12))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-8 {27045#(and (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0))} is VALID [2022-02-20 23:54:45,401 INFO L290 TraceCheckUtils]: 18: Hoare triple {27045#(and (not (= |ULTIMATE.start_main_#t~mem9#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {27046#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:45,402 INFO L290 TraceCheckUtils]: 19: Hoare triple {27046#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-10 {27046#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:45,402 INFO L290 TraceCheckUtils]: 20: Hoare triple {27046#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647; {27046#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:45,403 INFO L290 TraceCheckUtils]: 21: Hoare triple {27046#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {27046#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:45,403 INFO L290 TraceCheckUtils]: 22: Hoare triple {27046#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume !(0 != main_#t~nondet13#1);havoc main_#t~nondet13#1; {27046#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:45,404 INFO L290 TraceCheckUtils]: 23: Hoare triple {27046#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~int(0, main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1003-25 {27046#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:45,404 INFO L290 TraceCheckUtils]: 24: Hoare triple {27046#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1003-26 {27047#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0)} is VALID [2022-02-20 23:54:45,405 INFO L290 TraceCheckUtils]: 25: Hoare triple {27047#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {27047#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0)} is VALID [2022-02-20 23:54:45,405 INFO L290 TraceCheckUtils]: 26: Hoare triple {27047#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0)} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {27047#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0)} is VALID [2022-02-20 23:54:45,405 INFO L290 TraceCheckUtils]: 27: Hoare triple {27047#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 12)) 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {27048#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)) 0)} is VALID [2022-02-20 23:54:45,405 INFO L290 TraceCheckUtils]: 28: Hoare triple {27048#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)) 0)} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {27048#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)) 0)} is VALID [2022-02-20 23:54:45,406 INFO L290 TraceCheckUtils]: 29: Hoare triple {27048#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 12 |ULTIMATE.start_main_~x~0#1.offset|)) 0)} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {27049#(= |ULTIMATE.start_main_#t~mem14#1| 0)} is VALID [2022-02-20 23:54:45,406 INFO L290 TraceCheckUtils]: 30: Hoare triple {27049#(= |ULTIMATE.start_main_#t~mem14#1| 0)} main_#t~short16#1 := 2 == main_#t~mem14#1; {27050#(not |ULTIMATE.start_main_#t~short16#1|)} is VALID [2022-02-20 23:54:45,406 INFO L290 TraceCheckUtils]: 31: Hoare triple {27050#(not |ULTIMATE.start_main_#t~short16#1|)} assume main_#t~short16#1; {27037#false} is VALID [2022-02-20 23:54:45,407 INFO L290 TraceCheckUtils]: 32: Hoare triple {27037#false} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {27037#false} is VALID [2022-02-20 23:54:45,407 INFO L290 TraceCheckUtils]: 33: Hoare triple {27037#false} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {27037#false} is VALID [2022-02-20 23:54:45,407 INFO L290 TraceCheckUtils]: 34: Hoare triple {27037#false} main_#t~short19#1 := main_#t~short16#1; {27037#false} is VALID [2022-02-20 23:54:45,407 INFO L290 TraceCheckUtils]: 35: Hoare triple {27037#false} assume main_#t~short19#1; {27037#false} is VALID [2022-02-20 23:54:45,407 INFO L290 TraceCheckUtils]: 36: Hoare triple {27037#false} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {27037#false} is VALID [2022-02-20 23:54:45,407 INFO L290 TraceCheckUtils]: 37: Hoare triple {27037#false} assume !(4 + main_#t~mem17#1.offset <= #length[main_#t~mem17#1.base] && 0 <= main_#t~mem17#1.offset); {27037#false} is VALID [2022-02-20 23:54:45,407 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 23:54:45,407 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:45,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782797119] [2022-02-20 23:54:45,408 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782797119] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:54:45,408 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930712526] [2022-02-20 23:54:45,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:45,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:45,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:45,409 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 23:54:45,444 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 23:54:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:45,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 61 conjunts are in the unsatisfiable core [2022-02-20 23:54:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:45,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:45,568 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 23:54:45,607 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 13 treesize of output 9 [2022-02-20 23:54:45,612 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 13 treesize of output 9 [2022-02-20 23:54:45,703 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:54:45,704 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 23:54:45,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:45,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 23:54:45,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:45,786 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 23:54:45,906 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:45,906 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 37 [2022-02-20 23:54:45,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2022-02-20 23:54:46,097 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:46,097 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 23:54:46,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:46,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:46,115 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 0 case distinctions, treesize of input 35 treesize of output 33 [2022-02-20 23:54:46,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:46,258 INFO L356 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2022-02-20 23:54:46,258 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 35 [2022-02-20 23:54:46,268 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:46,268 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 23:54:46,321 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:54:46,321 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 23:54:46,325 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 27 treesize of output 27 [2022-02-20 23:54:46,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:46,494 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:46,494 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2022-02-20 23:54:46,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:54:46,501 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:46,501 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2022-02-20 23:54:46,549 INFO L290 TraceCheckUtils]: 0: Hoare triple {27036#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(17, 2); {27036#true} is VALID [2022-02-20 23:54:46,549 INFO L290 TraceCheckUtils]: 1: Hoare triple {27036#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:46,550 INFO L290 TraceCheckUtils]: 2: Hoare triple {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:46,551 INFO L290 TraceCheckUtils]: 3: Hoare triple {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:46,551 INFO L290 TraceCheckUtils]: 4: Hoare triple {27039#(and (= |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; {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:46,551 INFO L290 TraceCheckUtils]: 5: Hoare triple {27039#(and (= |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;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:46,552 INFO L290 TraceCheckUtils]: 6: Hoare triple {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:46,552 INFO L290 TraceCheckUtils]: 7: Hoare triple {27039#(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, 12 + main_~head~0#1.offset, 4); srcloc: L1000-13 {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:46,553 INFO L290 TraceCheckUtils]: 8: Hoare triple {27039#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-14 {27078#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:46,553 INFO L290 TraceCheckUtils]: 9: Hoare triple {27078#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {27082#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:46,554 INFO L290 TraceCheckUtils]: 10: Hoare triple {27082#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {27082#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:54:46,555 INFO L290 TraceCheckUtils]: 11: Hoare triple {27082#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {27089#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:46,555 INFO L290 TraceCheckUtils]: 12: Hoare triple {27089#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_#t~malloc7#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc7#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {27093#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,556 INFO L290 TraceCheckUtils]: 13: Hoare triple {27093#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {27093#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,557 INFO L290 TraceCheckUtils]: 14: Hoare triple {27093#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {27100#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,558 INFO L290 TraceCheckUtils]: 15: Hoare triple {27100#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem8#1.base|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_#t~mem8#1.base, 4 + main_#t~mem8#1.offset, 4); srcloc: L1003-6 {27093#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,558 INFO L290 TraceCheckUtils]: 16: Hoare triple {27093#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {27093#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,559 INFO L290 TraceCheckUtils]: 17: Hoare triple {27093#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-8 {27110#(and (= |ULTIMATE.start_main_#t~mem9#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_#t~mem9#1.base| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,559 INFO L290 TraceCheckUtils]: 18: Hoare triple {27110#(and (= |ULTIMATE.start_main_#t~mem9#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_#t~mem9#1.base| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {27114#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,560 INFO L290 TraceCheckUtils]: 19: Hoare triple {27114#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-10 {27114#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,561 INFO L290 TraceCheckUtils]: 20: Hoare triple {27114#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647; {27114#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,561 INFO L290 TraceCheckUtils]: 21: Hoare triple {27114#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {27114#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,562 INFO L290 TraceCheckUtils]: 22: Hoare triple {27114#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet13#1);havoc main_#t~nondet13#1; {27114#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,563 INFO L290 TraceCheckUtils]: 23: Hoare triple {27114#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(0, main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1003-25 {27130#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,564 INFO L290 TraceCheckUtils]: 24: Hoare triple {27130#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1003-26 {27134#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,564 INFO L290 TraceCheckUtils]: 25: Hoare triple {27134#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {27134#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,565 INFO L290 TraceCheckUtils]: 26: Hoare triple {27134#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {27134#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,566 INFO L290 TraceCheckUtils]: 27: Hoare triple {27134#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {27144#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,566 INFO L290 TraceCheckUtils]: 28: Hoare triple {27144#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {27144#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,567 INFO L290 TraceCheckUtils]: 29: Hoare triple {27144#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {27144#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,568 INFO L290 TraceCheckUtils]: 30: Hoare triple {27144#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short16#1 := 2 == main_#t~mem14#1; {27144#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,568 INFO L290 TraceCheckUtils]: 31: Hoare triple {27144#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume main_#t~short16#1; {27144#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:46,569 INFO L290 TraceCheckUtils]: 32: Hoare triple {27144#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {27160#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem15#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:54:46,569 INFO L290 TraceCheckUtils]: 33: Hoare triple {27160#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem15#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {27050#(not |ULTIMATE.start_main_#t~short16#1|)} is VALID [2022-02-20 23:54:46,569 INFO L290 TraceCheckUtils]: 34: Hoare triple {27050#(not |ULTIMATE.start_main_#t~short16#1|)} main_#t~short19#1 := main_#t~short16#1; {27167#(not |ULTIMATE.start_main_#t~short19#1|)} is VALID [2022-02-20 23:54:46,570 INFO L290 TraceCheckUtils]: 35: Hoare triple {27167#(not |ULTIMATE.start_main_#t~short19#1|)} assume main_#t~short19#1; {27037#false} is VALID [2022-02-20 23:54:46,570 INFO L290 TraceCheckUtils]: 36: Hoare triple {27037#false} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {27037#false} is VALID [2022-02-20 23:54:46,570 INFO L290 TraceCheckUtils]: 37: Hoare triple {27037#false} assume !(4 + main_#t~mem17#1.offset <= #length[main_#t~mem17#1.base] && 0 <= main_#t~mem17#1.offset); {27037#false} is VALID [2022-02-20 23:54:46,570 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 23:54:46,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:54:46,698 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1377 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1377) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1378) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.base|))) is different from false [2022-02-20 23:54:46,936 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1369 (Array Int Int))) (or (and (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1369) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1370) |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.base| (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1370))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378)) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))))) (not (<= 0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1369) |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))))) is different from false [2022-02-20 23:54:46,963 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1369 (Array Int Int))) (or (and (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1370))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378)) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8)) |c_ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |c_ULTIMATE.start_main_~head~0#1.offset| (select (select (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_1369) (select (select (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_1370) |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377)) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))))) (not (<= 0 (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1369) |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))))) is different from false [2022-02-20 23:54:47,482 INFO L356 Elim1Store]: treesize reduction 23, result has 45.2 percent of original size [2022-02-20 23:54:47,483 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 2 case distinctions, treesize of input 122 treesize of output 114 [2022-02-20 23:54:47,497 INFO L356 Elim1Store]: treesize reduction 23, result has 45.2 percent of original size [2022-02-20 23:54:47,497 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 2 case distinctions, treesize of input 114 treesize of output 93 [2022-02-20 23:54:47,517 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-02-20 23:54:47,517 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 339 treesize of output 289 [2022-02-20 23:54:47,557 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-02-20 23:54:47,558 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 542 treesize of output 504 [2022-02-20 23:54:47,571 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-02-20 23:54:47,572 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 504 treesize of output 486 [2022-02-20 23:54:47,600 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 249 treesize of output 233 [2022-02-20 23:54:47,608 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 233 treesize of output 221 [2022-02-20 23:54:47,615 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 221 treesize of output 205 [2022-02-20 23:54:47,626 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-02-20 23:54:47,627 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 205 treesize of output 185 [2022-02-20 23:54:47,768 INFO L290 TraceCheckUtils]: 37: Hoare triple {27037#false} assume !(4 + main_#t~mem17#1.offset <= #length[main_#t~mem17#1.base] && 0 <= main_#t~mem17#1.offset); {27037#false} is VALID [2022-02-20 23:54:47,768 INFO L290 TraceCheckUtils]: 36: Hoare triple {27037#false} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-8 {27037#false} is VALID [2022-02-20 23:54:47,769 INFO L290 TraceCheckUtils]: 35: Hoare triple {27167#(not |ULTIMATE.start_main_#t~short19#1|)} assume main_#t~short19#1; {27037#false} is VALID [2022-02-20 23:54:47,769 INFO L290 TraceCheckUtils]: 34: Hoare triple {27050#(not |ULTIMATE.start_main_#t~short16#1|)} main_#t~short19#1 := main_#t~short16#1; {27167#(not |ULTIMATE.start_main_#t~short19#1|)} is VALID [2022-02-20 23:54:47,769 INFO L290 TraceCheckUtils]: 33: Hoare triple {27189#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem15#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short16#1 := main_#t~mem15#1.base != main_~x~0#1.base || main_#t~mem15#1.offset != main_~x~0#1.offset; {27050#(not |ULTIMATE.start_main_#t~short16#1|)} is VALID [2022-02-20 23:54:47,770 INFO L290 TraceCheckUtils]: 32: Hoare triple {27193#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-3 {27189#(and (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~mem15#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:47,770 INFO L290 TraceCheckUtils]: 31: Hoare triple {27193#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume main_#t~short16#1; {27193#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:47,771 INFO L290 TraceCheckUtils]: 30: Hoare triple {27193#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} main_#t~short16#1 := 2 == main_#t~mem14#1; {27193#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:47,771 INFO L290 TraceCheckUtils]: 29: Hoare triple {27193#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {27193#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:47,772 INFO L290 TraceCheckUtils]: 28: Hoare triple {27193#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {27193#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:47,772 INFO L290 TraceCheckUtils]: 27: Hoare triple {27209#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {27193#(and (= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (+ 8 |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.base|))} is VALID [2022-02-20 23:54:47,773 INFO L290 TraceCheckUtils]: 26: Hoare triple {27209#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {27209#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:47,773 INFO L290 TraceCheckUtils]: 25: Hoare triple {27209#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {27209#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:47,774 INFO L290 TraceCheckUtils]: 24: Hoare triple {27219#(and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1003-26 {27209#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))} is VALID [2022-02-20 23:54:47,777 WARN L290 TraceCheckUtils]: 23: Hoare triple {27219#(and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~int(0, main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1003-25 {27219#(and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is UNKNOWN [2022-02-20 23:54:47,778 INFO L290 TraceCheckUtils]: 22: Hoare triple {27219#(and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} assume !(0 != main_#t~nondet13#1);havoc main_#t~nondet13#1; {27219#(and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:47,778 INFO L290 TraceCheckUtils]: 21: Hoare triple {27219#(and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {27219#(and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:47,779 INFO L290 TraceCheckUtils]: 20: Hoare triple {27219#(and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647; {27219#(and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:54:47,782 WARN L290 TraceCheckUtils]: 19: Hoare triple {27235#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-10 {27219#(and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))} is UNKNOWN [2022-02-20 23:54:47,783 INFO L290 TraceCheckUtils]: 18: Hoare triple {27239#(or (not (<= 0 |ULTIMATE.start_main_#t~mem9#1.offset|)) (and (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem9#1.base, main_#t~mem9#1.offset;havoc main_#t~mem9#1.base, main_#t~mem9#1.offset; {27235#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:54:47,784 INFO L290 TraceCheckUtils]: 17: Hoare triple {27243#(or (and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem9#1.base, main_#t~mem9#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-8 {27239#(or (not (<= 0 |ULTIMATE.start_main_#t~mem9#1.offset|)) (and (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem9#1.base| v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))))} is VALID [2022-02-20 23:54:47,785 INFO L290 TraceCheckUtils]: 16: Hoare triple {27243#(or (and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~mem8#1.base, main_#t~mem8#1.offset; {27243#(or (and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:54:47,786 INFO L290 TraceCheckUtils]: 15: Hoare triple {27250#(forall ((v_ArrVal_1369 (Array Int Int))) (or (not (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1369) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (and (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1369) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1370) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))))} SUMMARY for call write~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, main_#t~mem8#1.base, 4 + main_#t~mem8#1.offset, 4); srcloc: L1003-6 {27243#(or (and (forall ((v_ArrVal_1377 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:54:47,788 INFO L290 TraceCheckUtils]: 14: Hoare triple {27254#(forall ((v_ArrVal_1369 (Array Int Int))) (or (and (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1369) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1370) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1369) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-5 {27250#(forall ((v_ArrVal_1369 (Array Int Int))) (or (not (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1369) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (and (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1369) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.offset|)) (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1370) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem8#1.base| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:54:47,789 INFO L290 TraceCheckUtils]: 13: Hoare triple {27254#(forall ((v_ArrVal_1369 (Array Int Int))) (or (and (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1369) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1370) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1369) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; {27254#(forall ((v_ArrVal_1369 (Array Int Int))) (or (and (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1369) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1370) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1369) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:47,791 INFO L290 TraceCheckUtils]: 12: Hoare triple {27261#(forall ((v_ArrVal_1369 (Array Int Int))) (or (and (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.offset|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1369) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1370) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= 0 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.offset|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1369) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call write~$Pointer$(main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1003-3 {27254#(forall ((v_ArrVal_1369 (Array Int Int))) (or (and (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1369) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1370) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1369) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:54:47,797 WARN L290 TraceCheckUtils]: 11: Hoare triple {27265#(forall ((v_ArrVal_1369 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc7#1.base_15| Int)) (or (and (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1369) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|) 0)) (not (<= 0 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1369) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !!(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(16); {27261#(forall ((v_ArrVal_1369 (Array Int Int))) (or (and (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.offset|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1369) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1370) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.base|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= 0 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc7#1.offset|)) |ULTIMATE.start_main_#t~malloc7#1.base| v_ArrVal_1369) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is UNKNOWN [2022-02-20 23:54:47,800 WARN L290 TraceCheckUtils]: 10: Hoare triple {27265#(forall ((v_ArrVal_1369 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc7#1.base_15| Int)) (or (and (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1369) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|) 0)) (not (<= 0 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1369) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {27265#(forall ((v_ArrVal_1369 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc7#1.base_15| Int)) (or (and (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1369) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|) 0)) (not (<= 0 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1369) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is UNKNOWN [2022-02-20 23:54:47,804 WARN L290 TraceCheckUtils]: 9: Hoare triple {27272#(forall ((v_ArrVal_1369 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc7#1.base_15| Int)) (or (and (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| 0)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1369) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= 0 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| 0)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1369) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|) 0))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {27265#(forall ((v_ArrVal_1369 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc7#1.base_15| Int)) (or (and (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|)) (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1369) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8))))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|) 0)) (not (<= 0 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1369) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is UNKNOWN [2022-02-20 23:54:47,806 INFO L290 TraceCheckUtils]: 8: Hoare triple {27276#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-14 {27272#(forall ((v_ArrVal_1369 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc7#1.base_15| Int)) (or (and (forall ((v_ArrVal_1377 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= |ULTIMATE.start_main_~head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| 0)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1369) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) v_ArrVal_1377) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)))) (forall ((v_ArrVal_1378 (Array Int Int)) (v_ArrVal_1370 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1370) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) v_ArrVal_1378) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 8)) |ULTIMATE.start_main_~head~0#1.base|))) (not (<= 0 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| 0)) |v_ULTIMATE.start_main_#t~malloc7#1.base_15| v_ArrVal_1369) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc7#1.base_15|) 0))))} is VALID [2022-02-20 23:54:47,807 INFO L290 TraceCheckUtils]: 7: Hoare triple {27276#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-13 {27276#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:47,807 INFO L290 TraceCheckUtils]: 6: Hoare triple {27276#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {27276#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:47,807 INFO L290 TraceCheckUtils]: 5: Hoare triple {27276#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {27276#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:47,808 INFO L290 TraceCheckUtils]: 4: Hoare triple {27276#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {27276#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:47,808 INFO L290 TraceCheckUtils]: 3: Hoare triple {27276#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {27276#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:47,808 INFO L290 TraceCheckUtils]: 2: Hoare triple {27276#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {27276#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:47,809 INFO L290 TraceCheckUtils]: 1: Hoare triple {27036#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {27276#(not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0))} is VALID [2022-02-20 23:54:47,809 INFO L290 TraceCheckUtils]: 0: Hoare triple {27036#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(17, 2); {27036#true} is VALID [2022-02-20 23:54:47,809 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 23:54:47,809 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930712526] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:54:47,809 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:54:47,809 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 17] total 40 [2022-02-20 23:54:47,809 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639244120] [2022-02-20 23:54:47,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:54:47,810 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 2.55) internal successors, (102), 40 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-02-20 23:54:47,810 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:54:47,810 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 40 states, 40 states have (on average 2.55) internal successors, (102), 40 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:47,926 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 97 inductive. 0 not inductive. 5 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:47,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-02-20 23:54:47,926 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:54:47,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-02-20 23:54:47,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1197, Unknown=9, NotChecked=216, Total=1560 [2022-02-20 23:54:47,927 INFO L87 Difference]: Start difference. First operand 292 states and 333 transitions. Second operand has 40 states, 40 states have (on average 2.55) internal successors, (102), 40 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:55,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:55,380 INFO L93 Difference]: Finished difference Result 632 states and 697 transitions. [2022-02-20 23:54:55,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-20 23:54:55,381 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 2.55) internal successors, (102), 40 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-02-20 23:54:55,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:54:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 2.55) internal successors, (102), 40 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:55,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 548 transitions. [2022-02-20 23:54:55,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 2.55) internal successors, (102), 40 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 548 transitions. [2022-02-20 23:54:55,386 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 69 states and 548 transitions. [2022-02-20 23:54:55,700 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 548 edges. 548 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:54:55,711 INFO L225 Difference]: With dead ends: 632 [2022-02-20 23:54:55,711 INFO L226 Difference]: Without dead ends: 632 [2022-02-20 23:54:55,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 55 SyntacticMatches, 5 SemanticMatches, 92 ConstructedPredicates, 3 IntricatePredicates, 3 DeprecatedPredicates, 1939 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1296, Invalid=6897, Unknown=9, NotChecked=540, Total=8742 [2022-02-20 23:54:55,713 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 747 mSDsluCounter, 2637 mSDsCounter, 0 mSdLazyCounter, 2855 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 2773 SdHoareTripleChecker+Invalid, 5229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 2855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2219 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:54:55,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [747 Valid, 2773 Invalid, 5229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 2855 Invalid, 0 Unknown, 2219 Unchecked, 2.0s Time] [2022-02-20 23:54:55,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2022-02-20 23:54:55,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 293. [2022-02-20 23:54:55,717 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:54:55,717 INFO L82 GeneralOperation]: Start isEquivalent. First operand 632 states. Second operand has 293 states, 272 states have (on average 1.2169117647058822) internal successors, (331), 292 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:55,717 INFO L74 IsIncluded]: Start isIncluded. First operand 632 states. Second operand has 293 states, 272 states have (on average 1.2169117647058822) internal successors, (331), 292 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:55,718 INFO L87 Difference]: Start difference. First operand 632 states. Second operand has 293 states, 272 states have (on average 1.2169117647058822) internal successors, (331), 292 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:55,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:55,729 INFO L93 Difference]: Finished difference Result 632 states and 697 transitions. [2022-02-20 23:54:55,729 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 697 transitions. [2022-02-20 23:54:55,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:55,729 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:55,730 INFO L74 IsIncluded]: Start isIncluded. First operand has 293 states, 272 states have (on average 1.2169117647058822) internal successors, (331), 292 states have internal predecessors, (331), 0 states have call successors, (0), 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 632 states. [2022-02-20 23:54:55,730 INFO L87 Difference]: Start difference. First operand has 293 states, 272 states have (on average 1.2169117647058822) internal successors, (331), 292 states have internal predecessors, (331), 0 states have call successors, (0), 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 632 states. [2022-02-20 23:54:55,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:54:55,741 INFO L93 Difference]: Finished difference Result 632 states and 697 transitions. [2022-02-20 23:54:55,741 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 697 transitions. [2022-02-20 23:54:55,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:54:55,742 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:54:55,742 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:54:55,742 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:54:55,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 272 states have (on average 1.2169117647058822) internal successors, (331), 292 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:55,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 331 transitions. [2022-02-20 23:54:55,745 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 331 transitions. Word has length 38 [2022-02-20 23:54:55,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:54:55,746 INFO L470 AbstractCegarLoop]: Abstraction has 293 states and 331 transitions. [2022-02-20 23:54:55,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.55) internal successors, (102), 40 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:54:55,746 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 331 transitions. [2022-02-20 23:54:55,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-20 23:54:55,746 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:54:55,747 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:54:55,766 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 23:54:55,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:55,963 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr59REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 68 more)] === [2022-02-20 23:54:55,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:54:55,963 INFO L85 PathProgramCache]: Analyzing trace with hash 117734209, now seen corresponding path program 1 times [2022-02-20 23:54:55,963 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:54:55,964 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731983522] [2022-02-20 23:54:55,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:55,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:54:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:56,056 INFO L290 TraceCheckUtils]: 0: Hoare triple {29602#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(17, 2); {29602#true} is VALID [2022-02-20 23:54:56,057 INFO L290 TraceCheckUtils]: 1: Hoare triple {29602#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {29602#true} is VALID [2022-02-20 23:54:56,057 INFO L290 TraceCheckUtils]: 2: Hoare triple {29602#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {29602#true} is VALID [2022-02-20 23:54:56,057 INFO L290 TraceCheckUtils]: 3: Hoare triple {29602#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {29602#true} is VALID [2022-02-20 23:54:56,057 INFO L290 TraceCheckUtils]: 4: Hoare triple {29602#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {29602#true} is VALID [2022-02-20 23:54:56,057 INFO L290 TraceCheckUtils]: 5: Hoare triple {29602#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {29602#true} is VALID [2022-02-20 23:54:56,057 INFO L290 TraceCheckUtils]: 6: Hoare triple {29602#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {29602#true} is VALID [2022-02-20 23:54:56,057 INFO L290 TraceCheckUtils]: 7: Hoare triple {29602#true} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {29602#true} is VALID [2022-02-20 23:54:56,057 INFO L290 TraceCheckUtils]: 8: Hoare triple {29602#true} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {29602#true} is VALID [2022-02-20 23:54:56,057 INFO L290 TraceCheckUtils]: 9: Hoare triple {29602#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {29602#true} is VALID [2022-02-20 23:54:56,058 INFO L290 TraceCheckUtils]: 10: Hoare triple {29602#true} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {29602#true} is VALID [2022-02-20 23:54:56,058 INFO L290 TraceCheckUtils]: 11: Hoare triple {29602#true} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {29602#true} is VALID [2022-02-20 23:54:56,058 INFO L290 TraceCheckUtils]: 12: Hoare triple {29602#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:56,058 INFO L290 TraceCheckUtils]: 13: Hoare triple {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:56,059 INFO L290 TraceCheckUtils]: 14: Hoare triple {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:56,059 INFO L290 TraceCheckUtils]: 15: Hoare triple {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} main_#t~short16#1 := 2 == main_#t~mem14#1; {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:56,060 INFO L290 TraceCheckUtils]: 16: Hoare triple {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !main_#t~short16#1; {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:56,060 INFO L290 TraceCheckUtils]: 17: Hoare triple {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} main_#t~short19#1 := main_#t~short16#1; {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:56,061 INFO L290 TraceCheckUtils]: 18: Hoare triple {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !main_#t~short19#1; {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:56,061 INFO L290 TraceCheckUtils]: 19: Hoare triple {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} main_#t~short21#1 := main_#t~short19#1; {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:56,061 INFO L290 TraceCheckUtils]: 20: Hoare triple {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !main_#t~short21#1; {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:56,062 INFO L290 TraceCheckUtils]: 21: Hoare triple {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:56,062 INFO L290 TraceCheckUtils]: 22: Hoare triple {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:56,063 INFO L290 TraceCheckUtils]: 23: Hoare triple {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} assume !!main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:56,063 INFO L290 TraceCheckUtils]: 24: Hoare triple {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} goto; {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:54:56,064 INFO L290 TraceCheckUtils]: 25: Hoare triple {29604#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009-22 {29605#(and (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_#t~mem22#1.offset|))} is VALID [2022-02-20 23:54:56,064 INFO L290 TraceCheckUtils]: 26: Hoare triple {29605#(and (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_#t~mem22#1.offset|))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {29606#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:54:56,065 INFO L290 TraceCheckUtils]: 27: Hoare triple {29606#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {29607#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:54:56,065 INFO L290 TraceCheckUtils]: 28: Hoare triple {29607#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {29608#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:56,066 INFO L290 TraceCheckUtils]: 29: Hoare triple {29608#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {29608#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:54:56,066 INFO L290 TraceCheckUtils]: 30: Hoare triple {29608#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1018 {29609#(and (= |ULTIMATE.start_main_#t~mem23#1.offset| 0) (= |ULTIMATE.start_main_#t~mem23#1.base| 0))} is VALID [2022-02-20 23:54:56,066 INFO L290 TraceCheckUtils]: 31: Hoare triple {29609#(and (= |ULTIMATE.start_main_#t~mem23#1.offset| 0) (= |ULTIMATE.start_main_#t~mem23#1.base| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset; {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:56,067 INFO L290 TraceCheckUtils]: 32: Hoare triple {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} SUMMARY for call main_#t~mem24#1 := read~int(main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1019 {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:56,067 INFO L290 TraceCheckUtils]: 33: Hoare triple {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !(2 == main_#t~mem24#1);havoc main_#t~mem24#1; {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:56,068 INFO L290 TraceCheckUtils]: 34: Hoare triple {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume 0 == main_~head~0#1.offset; {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:56,068 INFO L290 TraceCheckUtils]: 35: Hoare triple {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume main_~head~0#1.base < #StackHeapBarrier; {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:56,069 INFO L290 TraceCheckUtils]: 36: Hoare triple {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume 0 == main_~head~0#1.base || 1 == #valid[main_~head~0#1.base];call ULTIMATE.dealloc(main_~head~0#1.base, main_~head~0#1.offset); {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:56,069 INFO L290 TraceCheckUtils]: 37: Hoare triple {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {29603#false} is VALID [2022-02-20 23:54:56,069 INFO L290 TraceCheckUtils]: 38: Hoare triple {29603#false} assume !(1 == #valid[main_~x~0#1.base]); {29603#false} is VALID [2022-02-20 23:54:56,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:54:56,070 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:54:56,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731983522] [2022-02-20 23:54:56,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731983522] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:54:56,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800770248] [2022-02-20 23:54:56,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:54:56,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:54:56,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:54:56,087 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:54:56,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 23:54:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:56,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-20 23:54:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:54:56,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:54:57,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:57,031 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:54:57,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:54:57,091 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:54:57,092 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 15 treesize of output 10 [2022-02-20 23:54:57,154 INFO L290 TraceCheckUtils]: 0: Hoare triple {29602#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(17, 2); {29602#true} is VALID [2022-02-20 23:54:57,154 INFO L290 TraceCheckUtils]: 1: Hoare triple {29602#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~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~nondet6#1, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~short16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~short19#1, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~short21#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1, main_#t~mem25#1.base, main_#t~mem25#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(16);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; {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:57,155 INFO L290 TraceCheckUtils]: 2: Hoare triple {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L998 {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:57,155 INFO L290 TraceCheckUtils]: 3: Hoare triple {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L998-1 {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:57,155 INFO L290 TraceCheckUtils]: 4: Hoare triple {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:57,156 INFO L290 TraceCheckUtils]: 5: Hoare triple {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:57,156 INFO L290 TraceCheckUtils]: 6: Hoare triple {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:57,156 INFO L290 TraceCheckUtils]: 7: Hoare triple {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~int(1, main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1000-10 {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:57,157 INFO L290 TraceCheckUtils]: 8: Hoare triple {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(main_~head~0#1.base, main_~head~0#1.offset, main_~head~0#1.base, 8 + main_~head~0#1.offset, 4); srcloc: L1000-11 {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:57,157 INFO L290 TraceCheckUtils]: 9: Hoare triple {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:57,157 INFO L290 TraceCheckUtils]: 10: Hoare triple {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647; {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:57,158 INFO L290 TraceCheckUtils]: 11: Hoare triple {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} assume !(0 != main_#t~nondet6#1);havoc main_#t~nondet6#1; {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:54:57,158 INFO L290 TraceCheckUtils]: 12: Hoare triple {29617#(<= |ULTIMATE.start_main_~head~0#1.offset| 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,158 INFO L290 TraceCheckUtils]: 13: Hoare triple {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,159 INFO L290 TraceCheckUtils]: 14: Hoare triple {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem14#1 := read~int(main_~x~0#1.base, 12 + main_~x~0#1.offset, 4); srcloc: L1009-21 {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,159 INFO L290 TraceCheckUtils]: 15: Hoare triple {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short16#1 := 2 == main_#t~mem14#1; {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,160 INFO L290 TraceCheckUtils]: 16: Hoare triple {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short16#1; {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,160 INFO L290 TraceCheckUtils]: 17: Hoare triple {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short19#1 := main_#t~short16#1; {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,160 INFO L290 TraceCheckUtils]: 18: Hoare triple {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short19#1; {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,161 INFO L290 TraceCheckUtils]: 19: Hoare triple {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short21#1 := main_#t~short19#1; {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,161 INFO L290 TraceCheckUtils]: 20: Hoare triple {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short21#1; {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,162 INFO L290 TraceCheckUtils]: 21: Hoare triple {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |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_~x~0#1.base, 8 + main_~x~0#1.offset, 4); srcloc: L1009-15 {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,162 INFO L290 TraceCheckUtils]: 22: Hoare triple {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_#t~short21#1 := main_#t~mem20#1.base == main_~x~0#1.base && main_#t~mem20#1.offset == main_~x~0#1.offset; {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,163 INFO L290 TraceCheckUtils]: 23: Hoare triple {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!main_#t~short21#1;havoc main_#t~mem14#1;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~short16#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;havoc main_#t~short19#1;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~short21#1; {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,163 INFO L290 TraceCheckUtils]: 24: Hoare triple {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,164 INFO L290 TraceCheckUtils]: 25: Hoare triple {29651#(and (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009-22 {29691#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_#t~mem22#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,165 INFO L290 TraceCheckUtils]: 26: Hoare triple {29691#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_#t~mem22#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {29695#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_78| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_78| |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|)) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_78|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,165 INFO L290 TraceCheckUtils]: 27: Hoare triple {29695#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_78| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_78| |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|)) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_78|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0); {29699#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_78| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_78| |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|) 0) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_78|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:54:57,166 INFO L290 TraceCheckUtils]: 28: Hoare triple {29699#(and (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_78| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_78| |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|) 0) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_78|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {29703#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_78| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|) 0) (<= |v_ULTIMATE.start_main_~x~0#1.offset_78| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|) 0) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_78|))))} is VALID [2022-02-20 23:54:57,167 INFO L290 TraceCheckUtils]: 29: Hoare triple {29703#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_78| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|) 0) (<= |v_ULTIMATE.start_main_~x~0#1.offset_78| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|) 0) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_78|))))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {29703#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_78| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|) 0) (<= |v_ULTIMATE.start_main_~x~0#1.offset_78| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|) 0) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_78|))))} is VALID [2022-02-20 23:54:57,168 INFO L290 TraceCheckUtils]: 30: Hoare triple {29703#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_78| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|) 0) (<= |v_ULTIMATE.start_main_~x~0#1.offset_78| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_78|) 0) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_78|))))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1018 {29609#(and (= |ULTIMATE.start_main_#t~mem23#1.offset| 0) (= |ULTIMATE.start_main_#t~mem23#1.base| 0))} is VALID [2022-02-20 23:54:57,168 INFO L290 TraceCheckUtils]: 31: Hoare triple {29609#(and (= |ULTIMATE.start_main_#t~mem23#1.offset| 0) (= |ULTIMATE.start_main_#t~mem23#1.base| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset; {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:57,169 INFO L290 TraceCheckUtils]: 32: Hoare triple {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} SUMMARY for call main_#t~mem24#1 := read~int(main_~head~0#1.base, 12 + main_~head~0#1.offset, 4); srcloc: L1019 {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:57,169 INFO L290 TraceCheckUtils]: 33: Hoare triple {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !(2 == main_#t~mem24#1);havoc main_#t~mem24#1; {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:57,169 INFO L290 TraceCheckUtils]: 34: Hoare triple {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume 0 == main_~head~0#1.offset; {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:57,170 INFO L290 TraceCheckUtils]: 35: Hoare triple {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume main_~head~0#1.base < #StackHeapBarrier; {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:57,170 INFO L290 TraceCheckUtils]: 36: Hoare triple {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume 0 == main_~head~0#1.base || 1 == #valid[main_~head~0#1.base];call ULTIMATE.dealloc(main_~head~0#1.base, main_~head~0#1.offset); {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:54:57,171 INFO L290 TraceCheckUtils]: 37: Hoare triple {29610#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !!(main_~x~0#1.base != 0 || main_~x~0#1.offset != 0);main_~head~0#1.base, main_~head~0#1.offset := main_~x~0#1.base, main_~x~0#1.offset; {29603#false} is VALID [2022-02-20 23:54:57,171 INFO L290 TraceCheckUtils]: 38: Hoare triple {29603#false} assume !(1 == #valid[main_~x~0#1.base]); {29603#false} is VALID [2022-02-20 23:54:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:54:57,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:54:57,643 INFO L356 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-02-20 23:54:57,643 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 24 treesize of output 23 [2022-02-20 23:54:57,675 INFO L356 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-02-20 23:54:57,676 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 20 treesize of output 12