/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 03:16:23,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 03:16:23,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 03:16:23,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 03:16:23,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 03:16:23,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 03:16:23,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 03:16:23,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 03:16:23,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 03:16:23,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 03:16:23,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 03:16:23,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 03:16:23,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 03:16:23,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 03:16:23,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 03:16:23,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 03:16:23,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-14 03:16:23,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 03:16:23,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 03:16:23,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 03:16:23,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-06-14 03:16:23,515 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 03:16:23,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 03:16:23,516 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 03:16:23,516 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 03:16:23,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 03:16:23,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 03:16:23,518 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 03:16:23,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 03:16:23,519 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 03:16:23,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 03:16:23,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 03:16:23,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 03:16:23,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 03:16:23,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 03:16:23,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 03:16:23,520 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 03:16:23,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 03:16:23,520 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 03:16:23,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 03:16:23,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 03:16:23,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 03:16:23,520 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 03:16:23,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 03:16:23,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 03:16:23,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 03:16:23,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 03:16:23,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 03:16:23,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 03:16:23,521 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 03:16:23,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 03:16:23,521 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 03:16:23,521 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 03:16:23,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 03:16:23,521 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 03:16:23,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 03:16:23,521 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 03:16:23,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 03:16:23,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 03:16:23,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 03:16:23,755 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-14 03:16:23,756 INFO L275 PluginConnector]: CDTParser initialized [2021-06-14 03:16:23,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2021-06-14 03:16:23,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a6da521/60e1a52a79a7418bae13f997f8c67a0b/FLAG101e109c0 [2021-06-14 03:16:24,136 INFO L306 CDTParser]: Found 1 translation units. [2021-06-14 03:16:24,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2021-06-14 03:16:24,138 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-14 03:16:24,138 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-14 03:16:24,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a6da521/60e1a52a79a7418bae13f997f8c67a0b/FLAG101e109c0 [2021-06-14 03:16:24,572 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18a6da521/60e1a52a79a7418bae13f997f8c67a0b [2021-06-14 03:16:24,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 03:16:24,576 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-14 03:16:24,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-14 03:16:24,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-14 03:16:24,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-14 03:16:24,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 03:16:24" (1/1) ... [2021-06-14 03:16:24,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aecbdb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:16:24, skipping insertion in model container [2021-06-14 03:16:24,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 03:16:24" (1/1) ... [2021-06-14 03:16:24,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-14 03:16:24,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-14 03:16:24,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 03:16:24,675 INFO L203 MainTranslator]: Completed pre-run [2021-06-14 03:16:24,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 03:16:24,690 INFO L208 MainTranslator]: Completed translation [2021-06-14 03:16:24,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:16:24 WrapperNode [2021-06-14 03:16:24,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-14 03:16:24,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 03:16:24,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 03:16:24,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 03:16:24,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:16:24" (1/1) ... [2021-06-14 03:16:24,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:16:24" (1/1) ... [2021-06-14 03:16:24,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 03:16:24,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 03:16:24,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 03:16:24,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 03:16:24,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:16:24" (1/1) ... [2021-06-14 03:16:24,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:16:24" (1/1) ... [2021-06-14 03:16:24,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:16:24" (1/1) ... [2021-06-14 03:16:24,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:16:24" (1/1) ... [2021-06-14 03:16:24,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:16:24" (1/1) ... [2021-06-14 03:16:24,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:16:24" (1/1) ... [2021-06-14 03:16:24,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:16:24" (1/1) ... [2021-06-14 03:16:24,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 03:16:24,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 03:16:24,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 03:16:24,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 03:16:24,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:16:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2021-06-14 03:16:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-14 03:16:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-14 03:16:24,813 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-14 03:16:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 03:16:24,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 03:16:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-14 03:16:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-14 03:16:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-14 03:16:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-14 03:16:24,814 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 03:16:25,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 03:16:25,073 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-14 03:16:25,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:16:25 BoogieIcfgContainer [2021-06-14 03:16:25,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 03:16:25,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 03:16:25,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 03:16:25,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 03:16:25,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 03:16:24" (1/3) ... [2021-06-14 03:16:25,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322a84ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 03:16:25, skipping insertion in model container [2021-06-14 03:16:25,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 03:16:24" (2/3) ... [2021-06-14 03:16:25,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322a84ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 03:16:25, skipping insertion in model container [2021-06-14 03:16:25,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:16:25" (3/3) ... [2021-06-14 03:16:25,079 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleTimes.c [2021-06-14 03:16:25,082 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 03:16:25,082 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 03:16:25,082 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 03:16:25,083 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 03:16:25,107 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,108 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,108 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,108 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,108 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,108 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,108 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,108 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,108 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,109 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,109 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,109 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,109 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,109 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,109 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,109 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,109 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,109 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,109 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,109 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,110 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,110 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,110 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,110 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,110 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,110 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,110 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,110 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,110 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,110 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,111 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,111 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,111 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,111 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,111 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,111 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,111 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,111 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,111 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,111 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,112 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,112 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,112 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,112 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,112 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,112 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,112 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,112 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,112 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,112 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,112 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,113 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,113 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,113 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,113 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,113 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,113 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,113 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,113 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,113 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,113 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,113 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,114 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,114 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,114 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,114 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,114 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,114 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,114 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,114 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,114 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,114 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,114 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,114 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,115 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,115 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,115 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,115 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,115 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,115 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,115 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,115 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,115 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,115 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,115 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,116 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,116 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,116 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,116 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,116 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,117 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,117 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,117 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,118 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,118 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,118 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,118 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,122 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,122 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,122 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,122 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,122 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,122 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,123 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,125 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,125 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,125 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,125 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,125 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,125 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,125 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 03:16:25,142 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-06-14 03:16:25,155 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 03:16:25,200 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 03:16:25,200 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 03:16:25,200 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 03:16:25,200 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 03:16:25,200 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 03:16:25,200 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 03:16:25,201 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 03:16:25,201 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 03:16:25,280 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:16:25,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:16:25,283 INFO L82 PathProgramCache]: Analyzing trace with hash 2086108524, now seen corresponding path program 1 times [2021-06-14 03:16:25,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:16:25,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838326305] [2021-06-14 03:16:25,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:16:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:16:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:16:26,166 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:16:26,166 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838326305] [2021-06-14 03:16:26,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838326305] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:16:26,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:16:26,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-06-14 03:16:26,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418184387] [2021-06-14 03:16:26,170 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-14 03:16:26,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:16:26,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-14 03:16:26,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2021-06-14 03:16:26,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:16:26,180 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:16:26,181 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 24 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:16:26,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:16:27,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 03:16:27,491 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 03:16:27,492 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:16:27,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:16:27,492 INFO L82 PathProgramCache]: Analyzing trace with hash -433910992, now seen corresponding path program 1 times [2021-06-14 03:16:27,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:16:27,492 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300220463] [2021-06-14 03:16:27,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:16:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:16:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:16:28,011 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:16:28,011 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300220463] [2021-06-14 03:16:28,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300220463] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:16:28,011 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:16:28,011 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-06-14 03:16:28,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616247917] [2021-06-14 03:16:28,013 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-14 03:16:28,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:16:28,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-14 03:16:28,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2021-06-14 03:16:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:16:28,016 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:16:28,016 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:16:28,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 03:16:28,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:16:28,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 03:16:28,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 03:16:28,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-14 03:16:28,888 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 03:16:28,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:16:28,889 INFO L82 PathProgramCache]: Analyzing trace with hash 71677424, now seen corresponding path program 1 times [2021-06-14 03:16:28,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:16:28,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663703443] [2021-06-14 03:16:28,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:16:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-14 03:16:28,909 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-14 03:16:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-14 03:16:28,923 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-14 03:16:28,942 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-14 03:16:28,943 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-14 03:16:28,943 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-14 03:16:28,947 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 03:16:28,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 03:16:28 BasicIcfg [2021-06-14 03:16:28,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 03:16:28,985 INFO L168 Benchmark]: Toolchain (without parser) took 4408.78 ms. Allocated memory was 127.9 MB in the beginning and 229.6 MB in the end (delta: 101.7 MB). Free memory was 91.2 MB in the beginning and 185.9 MB in the end (delta: -94.8 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. [2021-06-14 03:16:28,985 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 127.9 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 03:16:28,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 113.72 ms. Allocated memory is still 127.9 MB. Free memory was 91.0 MB in the beginning and 108.9 MB in the end (delta: -17.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 8.0 GB. [2021-06-14 03:16:28,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.64 ms. Allocated memory is still 127.9 MB. Free memory was 108.6 MB in the beginning and 110.2 MB in the end (delta: -1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 03:16:28,986 INFO L168 Benchmark]: Boogie Preprocessor took 23.66 ms. Allocated memory is still 127.9 MB. Free memory was 110.2 MB in the beginning and 109.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 03:16:28,986 INFO L168 Benchmark]: RCFGBuilder took 310.70 ms. Allocated memory is still 127.9 MB. Free memory was 108.7 MB in the beginning and 91.7 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-06-14 03:16:28,986 INFO L168 Benchmark]: TraceAbstraction took 3909.08 ms. Allocated memory was 127.9 MB in the beginning and 229.6 MB in the end (delta: 101.7 MB). Free memory was 91.3 MB in the beginning and 185.9 MB in the end (delta: -94.7 MB). Peak memory consumption was 7.4 MB. Max. memory is 8.0 GB. [2021-06-14 03:16:28,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 127.9 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 113.72 ms. Allocated memory is still 127.9 MB. Free memory was 91.0 MB in the beginning and 108.9 MB in the end (delta: -17.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 47.64 ms. Allocated memory is still 127.9 MB. Free memory was 108.6 MB in the beginning and 110.2 MB in the end (delta: -1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 23.66 ms. Allocated memory is still 127.9 MB. Free memory was 110.2 MB in the beginning and 109.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 310.70 ms. Allocated memory is still 127.9 MB. Free memory was 108.7 MB in the beginning and 91.7 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3909.08 ms. Allocated memory was 127.9 MB in the beginning and 229.6 MB in the end (delta: 101.7 MB). Free memory was 91.3 MB in the beginning and 185.9 MB in the end (delta: -94.7 MB). Peak memory consumption was 7.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 242, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 242, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 242, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 83, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 83, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 7, positive conditional: 1, positive unconditional: 5, negative: 34, negative conditional: 7, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 242, positive: 154, positive conditional: 0, positive unconditional: 154, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 83, unknown conditional: 0, unknown unconditional: 83] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 78, Positive conditional cache size: 1, Positive unconditional cache size: 77, Negative cache size: 9, Negative conditional cache size: 3, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 17, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 7, positive conditional: 1, positive unconditional: 5, negative: 34, negative conditional: 7, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 78, Positive conditional cache size: 1, Positive unconditional cache size: 77, Negative cache size: 9, Negative conditional cache size: 3, Negative unconditional cache size: 6, Eliminated conditions: 13, SemanticConditionEliminator.Independence Queries: [ total: 17, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 7, positive conditional: 1, positive unconditional: 5, negative: 34, negative conditional: 7, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 78, Positive conditional cache size: 1, Positive unconditional cache size: 77, Negative cache size: 9, Negative conditional cache size: 3, Negative unconditional cache size: 6, Eliminated conditions: 13 ], Maximal queried relation: 2, Independence queries for same thread: 0 - CounterExampleResult [Line: 37]: assertion can be violated assertion can be violated We found a FailurePath: [L13] 0 int counter = 0; VAL [counter=0] [L23] 0 int val = 0; VAL [counter=0] [L25] 0 pthread_t first_thread_id; VAL [counter=0] [L26] 0 pthread_t second_thread_id; VAL [counter=0] [L27] 0 pthread_t third_thread_id; VAL [counter=0] [L29] FCALL, FORK 0 pthread_create(&first_thread_id, NULL, foo, &val) VAL [counter=0, n={6:0}] [L16] 1 int *x = (int *)n; VAL [counter=0, n={6:0}, n={6:0}, x={6:0}] [L17] EXPR 1 ++counter VAL [++counter=1, counter=0, n={6:0}, n={6:0}, x={6:0}] [L17] EXPR 1 ++counter VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] 1 *x = ++counter VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L18] 1 return 0; VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L30] FCALL, FORK 0 pthread_create(&second_thread_id, NULL, foo, &val) VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L16] 2 int *x = (int *)n; VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L31] FCALL, FORK 0 pthread_create(&third_thread_id, NULL, foo, &val) VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] 2 ++counter VAL [++counter=2, \result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L33] 0 \read(first_thread_id) VAL [++counter=2, \result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L16] 3 int *x = (int *)n; VAL [++counter=2, \result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] EXPR 3 ++counter VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L17] 3 *x = ++counter VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L18] 3 return 0; VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L33] FCALL, JOIN 1 pthread_join(first_thread_id, NULL) VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L17] 2 *x = ++counter VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L18] 2 return 0; VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L34] 0 \read(second_thread_id) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L34] FCALL, JOIN 2 pthread_join(second_thread_id, NULL) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L35] 0 \read(third_thread_id) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L35] FCALL, JOIN 3 pthread_join(third_thread_id, NULL) VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L37] FCALL 0 IdentifierExpression[val] VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L37] 0 CodeAnnotStmt[Assertion] VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 93 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3780.4ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.3ms, PartialOrderReductionTime: 2249.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.6ms SsaConstructionTime, 150.4ms SatisfiabilityAnalysisTime, 1195.4ms InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 2374 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...