/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/bigshot_p.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-507b705 [2020-09-11 12:01:55,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-11 12:01:55,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-11 12:01:55,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-11 12:01:55,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-11 12:01:55,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-11 12:01:55,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-11 12:01:55,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-11 12:01:55,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-11 12:01:55,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-11 12:01:55,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-11 12:01:55,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-11 12:01:55,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-11 12:01:55,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-11 12:01:55,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-11 12:01:55,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-11 12:01:55,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-11 12:01:55,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-11 12:01:55,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-11 12:01:55,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-11 12:01:55,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-11 12:01:55,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-11 12:01:55,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-11 12:01:55,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-11 12:01:55,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-11 12:01:55,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-11 12:01:55,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-11 12:01:55,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-11 12:01:55,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-11 12:01:55,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-11 12:01:55,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-11 12:01:55,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-11 12:01:55,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-11 12:01:55,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-11 12:01:55,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-11 12:01:55,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-11 12:01:55,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-11 12:01:55,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-11 12:01:55,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-11 12:01:55,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-11 12:01:55,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-11 12:01:55,436 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-11 12:01:55,471 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-11 12:01:55,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-11 12:01:55,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-11 12:01:55,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-11 12:01:55,474 INFO L138 SettingsManager]: * Use SBE=true [2020-09-11 12:01:55,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-11 12:01:55,474 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-11 12:01:55,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-11 12:01:55,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-11 12:01:55,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-11 12:01:55,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-11 12:01:55,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-11 12:01:55,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-11 12:01:55,476 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-11 12:01:55,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-11 12:01:55,476 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-11 12:01:55,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-11 12:01:55,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-11 12:01:55,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-11 12:01:55,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-11 12:01:55,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-11 12:01:55,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-11 12:01:55,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-11 12:01:55,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-11 12:01:55,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-11 12:01:55,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-11 12:01:55,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-11 12:01:55,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-11 12:01:55,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-11 12:01:55,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-11 12:01:56,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-11 12:01:56,762 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-11 12:01:56,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-11 12:01:56,769 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-11 12:01:56,769 INFO L275 PluginConnector]: CDTParser initialized [2020-09-11 12:01:56,771 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_p.i [2020-09-11 12:01:56,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d1753bc90/87ffe3e80f3e48ca8eace4c48d375a6b/FLAG75bf8bf75 [2020-09-11 12:01:57,559 INFO L306 CDTParser]: Found 1 translation units. [2020-09-11 12:01:57,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread/bigshot_p.i [2020-09-11 12:01:57,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d1753bc90/87ffe3e80f3e48ca8eace4c48d375a6b/FLAG75bf8bf75 [2020-09-11 12:01:57,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d1753bc90/87ffe3e80f3e48ca8eace4c48d375a6b [2020-09-11 12:01:57,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-11 12:01:57,856 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-11 12:01:57,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-11 12:01:57,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-11 12:01:57,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-11 12:01:57,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 12:01:57" (1/1) ... [2020-09-11 12:01:57,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@536306fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:01:57, skipping insertion in model container [2020-09-11 12:01:57,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 12:01:57" (1/1) ... [2020-09-11 12:01:57,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-11 12:01:57,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-11 12:01:58,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 12:01:58,688 INFO L203 MainTranslator]: Completed pre-run [2020-09-11 12:01:58,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 12:01:58,966 INFO L208 MainTranslator]: Completed translation [2020-09-11 12:01:58,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:01:58 WrapperNode [2020-09-11 12:01:58,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-11 12:01:58,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-11 12:01:58,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-11 12:01:58,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-11 12:01:58,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:01:58" (1/1) ... [2020-09-11 12:01:59,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:01:58" (1/1) ... [2020-09-11 12:01:59,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-11 12:01:59,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-11 12:01:59,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-11 12:01:59,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-11 12:01:59,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:01:58" (1/1) ... [2020-09-11 12:01:59,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:01:58" (1/1) ... [2020-09-11 12:01:59,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:01:58" (1/1) ... [2020-09-11 12:01:59,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:01:58" (1/1) ... [2020-09-11 12:01:59,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:01:58" (1/1) ... [2020-09-11 12:01:59,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:01:58" (1/1) ... [2020-09-11 12:01:59,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:01:58" (1/1) ... [2020-09-11 12:01:59,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-11 12:01:59,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-11 12:01:59,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-11 12:01:59,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-11 12:01:59,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:01:58" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-11 12:01:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-11 12:01:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-11 12:01:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-11 12:01:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-11 12:01:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-09-11 12:01:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-09-11 12:01:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-09-11 12:01:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-09-11 12:01:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-11 12:01:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-11 12:01:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-11 12:01:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-11 12:01:59,204 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-11 12:01:59,683 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-11 12:01:59,683 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-09-11 12:01:59,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 12:01:59 BoogieIcfgContainer [2020-09-11 12:01:59,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-11 12:01:59,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-11 12:01:59,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-11 12:01:59,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-11 12:01:59,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 12:01:57" (1/3) ... [2020-09-11 12:01:59,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759ef462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 12:01:59, skipping insertion in model container [2020-09-11 12:01:59,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:01:58" (2/3) ... [2020-09-11 12:01:59,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@759ef462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 12:01:59, skipping insertion in model container [2020-09-11 12:01:59,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 12:01:59" (3/3) ... [2020-09-11 12:01:59,707 INFO L109 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2020-09-11 12:01:59,721 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-11 12:01:59,721 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-11 12:01:59,733 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-11 12:01:59,735 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-11 12:01:59,791 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,792 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,792 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,792 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,792 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,793 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,793 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,793 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,794 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,794 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,794 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,794 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,794 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,795 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,795 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,795 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,795 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,796 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,796 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,796 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,797 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,797 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,797 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,798 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,798 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,798 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,798 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,798 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,799 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,799 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,799 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,799 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,800 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,800 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,800 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,800 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,801 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,801 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,801 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,801 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,801 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,802 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,802 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,802 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,802 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,803 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,803 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,803 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,803 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,803 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,804 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,804 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,804 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,804 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,804 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,809 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,809 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,809 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,810 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,810 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,810 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,810 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,810 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,811 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,811 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,811 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,822 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,823 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,824 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,824 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,824 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,824 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,825 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,825 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,825 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,825 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,825 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,828 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,828 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,829 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:01:59,865 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-11 12:01:59,895 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 12:01:59,895 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 12:01:59,895 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-11 12:01:59,895 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 12:01:59,895 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 12:01:59,896 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 12:01:59,896 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 12:01:59,896 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 12:01:59,915 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 72 transitions, 166 flow [2020-09-11 12:01:59,918 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 72 transitions, 166 flow [2020-09-11 12:01:59,987 INFO L129 PetriNetUnfolder]: 6/72 cut-off events. [2020-09-11 12:01:59,988 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-11 12:01:59,993 INFO L80 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 72 events. 6/72 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 45. Up to 3 conditions per place. [2020-09-11 12:01:59,996 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 72 places, 72 transitions, 166 flow [2020-09-11 12:02:00,017 INFO L129 PetriNetUnfolder]: 6/72 cut-off events. [2020-09-11 12:02:00,017 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-11 12:02:00,018 INFO L80 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 72 events. 6/72 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 45. Up to 3 conditions per place. [2020-09-11 12:02:00,020 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 568 [2020-09-11 12:02:00,021 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-11 12:02:01,619 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-09-11 12:02:02,181 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-11 12:02:02,249 INFO L206 etLargeBlockEncoding]: Checked pairs total: 773 [2020-09-11 12:02:02,249 INFO L214 etLargeBlockEncoding]: Total number of compositions: 61 [2020-09-11 12:02:02,255 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 25 transitions, 72 flow [2020-09-11 12:02:02,270 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 66 states. [2020-09-11 12:02:02,273 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-09-11 12:02:02,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-11 12:02:02,285 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:02,286 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 12:02:02,287 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:02,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:02,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1788700226, now seen corresponding path program 1 times [2020-09-11 12:02:02,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:02,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638912725] [2020-09-11 12:02:02,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:02,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:02,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638912725] [2020-09-11 12:02:02,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 12:02:02,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-11 12:02:02,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584840531] [2020-09-11 12:02:02,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-11 12:02:02,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:02,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-11 12:02:02,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-11 12:02:02,640 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 4 states. [2020-09-11 12:02:02,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:02,729 INFO L93 Difference]: Finished difference Result 66 states and 131 transitions. [2020-09-11 12:02:02,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-11 12:02:02,732 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-09-11 12:02:02,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:02,753 INFO L225 Difference]: With dead ends: 66 [2020-09-11 12:02:02,753 INFO L226 Difference]: Without dead ends: 65 [2020-09-11 12:02:02,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-11 12:02:02,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-09-11 12:02:02,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-09-11 12:02:02,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-09-11 12:02:02,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 130 transitions. [2020-09-11 12:02:02,823 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 130 transitions. Word has length 14 [2020-09-11 12:02:02,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:02,823 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 130 transitions. [2020-09-11 12:02:02,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-11 12:02:02,824 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 130 transitions. [2020-09-11 12:02:02,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-11 12:02:02,825 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:02,825 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 12:02:02,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-11 12:02:02,826 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:02,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:02,826 INFO L82 PathProgramCache]: Analyzing trace with hash -180019050, now seen corresponding path program 2 times [2020-09-11 12:02:02,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:02,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253688564] [2020-09-11 12:02:02,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:03,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:03,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253688564] [2020-09-11 12:02:03,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 12:02:03,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-11 12:02:03,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789479164] [2020-09-11 12:02:03,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 12:02:03,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:03,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 12:02:03,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-11 12:02:03,004 INFO L87 Difference]: Start difference. First operand 65 states and 130 transitions. Second operand 7 states. [2020-09-11 12:02:03,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:03,137 INFO L93 Difference]: Finished difference Result 88 states and 160 transitions. [2020-09-11 12:02:03,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-11 12:02:03,140 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-09-11 12:02:03,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:03,142 INFO L225 Difference]: With dead ends: 88 [2020-09-11 12:02:03,142 INFO L226 Difference]: Without dead ends: 79 [2020-09-11 12:02:03,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-09-11 12:02:03,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-09-11 12:02:03,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 71. [2020-09-11 12:02:03,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-09-11 12:02:03,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 138 transitions. [2020-09-11 12:02:03,153 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 138 transitions. Word has length 14 [2020-09-11 12:02:03,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:03,155 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 138 transitions. [2020-09-11 12:02:03,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 12:02:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2020-09-11 12:02:03,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-11 12:02:03,156 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:03,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 12:02:03,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-11 12:02:03,157 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:03,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:03,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1891628826, now seen corresponding path program 1 times [2020-09-11 12:02:03,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:03,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438163680] [2020-09-11 12:02:03,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 12:02:03,190 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 12:02:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-11 12:02:03,221 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-11 12:02:03,270 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-11 12:02:03,270 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-11 12:02:03,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-11 12:02:03,272 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-11 12:02:03,281 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [253] [253] L1107-->L1088: Formula: (let ((.cse1 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1719071608| 1)) (.cse2 (= ~v~0.offset_In-1719071608 0)) (.cse3 (= ~v~0.base_In-1719071608 0))) (or (let ((.cse0 (not |ULTIMATE.start_main_#t~short10_Out-1719071608|))) (and (or (and (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1719071608| 0) .cse0) (and .cse1 |ULTIMATE.start_main_#t~short10_Out-1719071608|)) (= |ULTIMATE.start_main_#t~mem9_Out-1719071608| (select (select |#memory_int_In-1719071608| ~v~0.base_In-1719071608) ~v~0.offset_In-1719071608)) (or (not .cse2) (not .cse3)) (let ((.cse4 (= 66 |ULTIMATE.start_main_#t~mem9_Out-1719071608|))) (or (and .cse4 |ULTIMATE.start_main_#t~short10_Out-1719071608|) (and .cse0 (not .cse4)))))) (and (= |ULTIMATE.start_main_#t~mem9_In-1719071608| |ULTIMATE.start_main_#t~mem9_Out-1719071608|) .cse1 .cse2 .cse3 |ULTIMATE.start_main_#t~short10_Out-1719071608|))) InVars {ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_In-1719071608|, ~v~0.offset=~v~0.offset_In-1719071608, #memory_int=|#memory_int_In-1719071608|, ~v~0.base=~v~0.base_In-1719071608} OutVars{ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_Out-1719071608|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out-1719071608, ~v~0.offset=~v~0.offset_In-1719071608, #memory_int=|#memory_int_In-1719071608|, ULTIMATE.start_main_#t~short10=|ULTIMATE.start_main_#t~short10_Out-1719071608|, ~v~0.base=~v~0.base_In-1719071608, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1719071608|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short10, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-09-11 12:02:03,292 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,294 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,294 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,295 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,295 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,296 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,296 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,297 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,297 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,298 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,298 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,299 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,299 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,300 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,300 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,301 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,301 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,302 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,302 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,303 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,303 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,304 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-09-11 12:02:03,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 12:02:03 BasicIcfg [2020-09-11 12:02:03,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-11 12:02:03,327 INFO L168 Benchmark]: Toolchain (without parser) took 5474.30 ms. Allocated memory was 138.9 MB in the beginning and 250.6 MB in the end (delta: 111.7 MB). Free memory was 98.5 MB in the beginning and 127.1 MB in the end (delta: -28.7 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2020-09-11 12:02:03,328 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-11 12:02:03,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1110.84 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 98.0 MB in the beginning and 120.1 MB in the end (delta: -22.0 MB). Peak memory consumption was 45.6 MB. Max. memory is 7.1 GB. [2020-09-11 12:02:03,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.26 ms. Allocated memory is still 201.3 MB. Free memory was 119.4 MB in the beginning and 117.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-09-11 12:02:03,331 INFO L168 Benchmark]: Boogie Preprocessor took 44.30 ms. Allocated memory is still 201.3 MB. Free memory was 117.3 MB in the beginning and 115.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-09-11 12:02:03,331 INFO L168 Benchmark]: RCFGBuilder took 597.61 ms. Allocated memory is still 201.3 MB. Free memory was 115.3 MB in the beginning and 90.7 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-09-11 12:02:03,332 INFO L168 Benchmark]: TraceAbstraction took 3630.12 ms. Allocated memory was 201.3 MB in the beginning and 250.6 MB in the end (delta: 49.3 MB). Free memory was 90.7 MB in the beginning and 127.1 MB in the end (delta: -36.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2020-09-11 12:02:03,339 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1110.84 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 98.0 MB in the beginning and 120.1 MB in the end (delta: -22.0 MB). Peak memory consumption was 45.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 80.26 ms. Allocated memory is still 201.3 MB. Free memory was 119.4 MB in the beginning and 117.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.30 ms. Allocated memory is still 201.3 MB. Free memory was 117.3 MB in the beginning and 115.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 597.61 ms. Allocated memory is still 201.3 MB. Free memory was 115.3 MB in the beginning and 90.7 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3630.12 ms. Allocated memory was 201.3 MB in the beginning and 250.6 MB in the end (delta: 49.3 MB). Free memory was 90.7 MB in the beginning and 127.1 MB in the end (delta: -36.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.3s, 72 ProgramPointsBefore, 27 ProgramPointsAfterwards, 72 TransitionsBefore, 25 TransitionsAfterwards, 568 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 288 VarBasedMoverChecksPositive, 19 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 23 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 773 CheckedPairsTotal, 61 TotalNumberOfCompositions - CounterExampleResult [Line: 1088]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1089] 0 char *v; [L1102] 0 pthread_t t1, t2; [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [v={0:0}] [L1104] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [v={0:0}] [L1105] 0 \read(t1) VAL [v={0:0}] [L1097] COND FALSE 2 !(\read(*v)) [L1098] 2 return 0; [L1092] 1 v = calloc(8, sizeof(char)) [L1093] 1 return 0; [L1105] FCALL, JOIN 1 pthread_join(t1, 0) VAL [v={3:0}] [L1106] 0 \read(t2) VAL [v={3:0}] [L1106] FCALL, JOIN 2 pthread_join(t2, 0) VAL [v={3:0}] [L1088] COND TRUE 0 !expression [L1088] 0 __VERIFIER_error() VAL [v={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 52 SDtfs, 105 SDslu, 53 SDs, 0 SdLazy, 67 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 1495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...