/usr/bin/java -Xmx16000000000 -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-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-18 22:05:11,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 22:05:11,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 22:05:11,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 22:05:11,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 22:05:11,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 22:05:11,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 22:05:11,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 22:05:11,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 22:05:11,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 22:05:11,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 22:05:11,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 22:05:11,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 22:05:11,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 22:05:11,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 22:05:11,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 22:05:11,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 22:05:11,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 22:05:11,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 22:05:11,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 22:05:11,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 22:05:11,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 22:05:11,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 22:05:11,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 22:05:11,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-18 22:05:11,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-18 22:05:11,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-18 22:05:11,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-18 22:05:11,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-18 22:05:11,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-18 22:05:11,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 22:05:11,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 22:05:11,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 22:05:11,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 22:05:11,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 22:05:11,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 22:05:11,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 22:05:11,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 22:05:11,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 22:05:11,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 22:05:11,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 22:05:11,816 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-PN-NoLbe.epf [2022-01-18 22:05:11,847 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 22:05:11,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 22:05:11,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 22:05:11,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 22:05:11,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 22:05:11,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 22:05:11,849 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 22:05:11,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 22:05:11,849 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 22:05:11,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 22:05:11,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 22:05:11,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 22:05:11,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 22:05:11,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 22:05:11,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 22:05:11,850 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 22:05:11,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 22:05:11,851 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 22:05:11,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 22:05:11,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 22:05:11,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 22:05:11,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 22:05:11,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 22:05:11,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 22:05:11,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 22:05:11,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 22:05:11,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 22:05:11,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 22:05:11,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 22:05:11,853 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 22:05:11,853 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-18 22:05:11,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 22:05:12,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 22:05:12,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 22:05:12,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 22:05:12,107 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 22:05:12,107 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 22:05:12,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2022-01-18 22:05:12,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/778f7aeae/70ced20eac7f42979d6d11016cbf1929/FLAG16004ea07 [2022-01-18 22:05:12,564 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 22:05:12,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2022-01-18 22:05:12,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/778f7aeae/70ced20eac7f42979d6d11016cbf1929/FLAG16004ea07 [2022-01-18 22:05:12,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/778f7aeae/70ced20eac7f42979d6d11016cbf1929 [2022-01-18 22:05:12,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 22:05:12,588 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 22:05:12,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 22:05:12,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 22:05:12,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 22:05:12,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 10:05:12" (1/1) ... [2022-01-18 22:05:12,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575c4082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:05:12, skipping insertion in model container [2022-01-18 22:05:12,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 10:05:12" (1/1) ... [2022-01-18 22:05:12,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 22:05:12,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 22:05:12,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2022-01-18 22:05:12,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 22:05:12,982 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 22:05:13,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2022-01-18 22:05:13,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 22:05:13,063 INFO L208 MainTranslator]: Completed translation [2022-01-18 22:05:13,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:05:13 WrapperNode [2022-01-18 22:05:13,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 22:05:13,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 22:05:13,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 22:05:13,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 22:05:13,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:05:13" (1/1) ... [2022-01-18 22:05:13,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:05:13" (1/1) ... [2022-01-18 22:05:13,120 INFO L137 Inliner]: procedures = 168, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2022-01-18 22:05:13,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 22:05:13,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 22:05:13,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 22:05:13,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 22:05:13,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:05:13" (1/1) ... [2022-01-18 22:05:13,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:05:13" (1/1) ... [2022-01-18 22:05:13,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:05:13" (1/1) ... [2022-01-18 22:05:13,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:05:13" (1/1) ... [2022-01-18 22:05:13,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:05:13" (1/1) ... [2022-01-18 22:05:13,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:05:13" (1/1) ... [2022-01-18 22:05:13,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:05:13" (1/1) ... [2022-01-18 22:05:13,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 22:05:13,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 22:05:13,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 22:05:13,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 22:05:13,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:05:13" (1/1) ... [2022-01-18 22:05:13,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 22:05:13,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 22:05:13,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 22:05:13,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 22:05:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 22:05:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 22:05:13,235 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 22:05:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 22:05:13,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 22:05:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 22:05:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 22:05:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 22:05:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 22:05:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 22:05:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 22:05:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 22:05:13,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 22:05:13,238 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 22:05:13,379 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 22:05:13,380 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 22:05:13,541 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 22:05:13,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 22:05:13,547 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 22:05:13,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 10:05:13 BoogieIcfgContainer [2022-01-18 22:05:13,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 22:05:13,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 22:05:13,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 22:05:13,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 22:05:13,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 10:05:12" (1/3) ... [2022-01-18 22:05:13,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad27b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 10:05:13, skipping insertion in model container [2022-01-18 22:05:13,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 10:05:13" (2/3) ... [2022-01-18 22:05:13,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad27b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 10:05:13, skipping insertion in model container [2022-01-18 22:05:13,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 10:05:13" (3/3) ... [2022-01-18 22:05:13,555 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2022-01-18 22:05:13,558 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 22:05:13,559 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 22:05:13,559 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 22:05:13,590 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,591 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,591 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,591 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,591 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,592 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,592 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,594 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,594 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,594 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,594 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,595 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,595 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,595 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,595 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,596 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,596 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,596 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,596 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,597 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,598 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,598 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,598 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,598 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,599 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,599 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,599 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,599 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,599 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,600 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,600 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,601 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,603 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,605 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,606 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,606 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,607 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,607 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,607 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,607 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,613 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,614 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,614 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,614 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,614 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,616 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,616 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,617 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,617 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 22:05:13,620 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 22:05:13,659 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 22:05:13,666 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 22:05:13,666 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 22:05:13,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 93 transitions, 202 flow [2022-01-18 22:05:13,738 INFO L129 PetriNetUnfolder]: 1/91 cut-off events. [2022-01-18 22:05:13,739 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-18 22:05:13,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 91 events. 1/91 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 29. Up to 2 conditions per place. [2022-01-18 22:05:13,741 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 93 transitions, 202 flow [2022-01-18 22:05:13,745 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 80 transitions, 172 flow [2022-01-18 22:05:13,775 INFO L129 PetriNetUnfolder]: 0/79 cut-off events. [2022-01-18 22:05:13,775 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-18 22:05:13,776 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 22:05:13,776 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 22:05:13,777 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 22:05:13,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 22:05:13,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1215155975, now seen corresponding path program 1 times [2022-01-18 22:05:13,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 22:05:13,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677525629] [2022-01-18 22:05:13,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 22:05:13,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 22:05:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 22:05:14,021 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 22:05:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 22:05:14,142 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 22:05:14,143 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 22:05:14,145 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-18 22:05:14,146 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-18 22:05:14,149 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-18 22:05:14,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 22:05:14,159 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-18 22:05:14,163 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 22:05:14,163 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 22:05:14,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 10:05:14 BasicIcfg [2022-01-18 22:05:14,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 22:05:14,230 INFO L158 Benchmark]: Toolchain (without parser) took 1641.19ms. Allocated memory was 371.2MB in the beginning and 476.1MB in the end (delta: 104.9MB). Free memory was 312.4MB in the beginning and 373.0MB in the end (delta: -60.6MB). Peak memory consumption was 43.7MB. Max. memory is 16.0GB. [2022-01-18 22:05:14,230 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 371.2MB. Free memory is still 330.3MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 22:05:14,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.35ms. Allocated memory was 371.2MB in the beginning and 476.1MB in the end (delta: 104.9MB). Free memory was 312.3MB in the beginning and 436.9MB in the end (delta: -124.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.0GB. [2022-01-18 22:05:14,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.28ms. Allocated memory is still 476.1MB. Free memory was 436.9MB in the beginning and 434.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 22:05:14,233 INFO L158 Benchmark]: Boogie Preprocessor took 27.78ms. Allocated memory is still 476.1MB. Free memory was 434.8MB in the beginning and 433.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 22:05:14,234 INFO L158 Benchmark]: RCFGBuilder took 398.61ms. Allocated memory is still 476.1MB. Free memory was 433.8MB in the beginning and 419.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2022-01-18 22:05:14,234 INFO L158 Benchmark]: TraceAbstraction took 678.69ms. Allocated memory is still 476.1MB. Free memory was 419.1MB in the beginning and 373.0MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.0GB. [2022-01-18 22:05:14,237 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 371.2MB. Free memory is still 330.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 475.35ms. Allocated memory was 371.2MB in the beginning and 476.1MB in the end (delta: 104.9MB). Free memory was 312.3MB in the beginning and 436.9MB in the end (delta: -124.6MB). Peak memory consumption was 6.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 55.28ms. Allocated memory is still 476.1MB. Free memory was 436.9MB in the beginning and 434.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 27.78ms. Allocated memory is still 476.1MB. Free memory was 434.8MB in the beginning and 433.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 398.61ms. Allocated memory is still 476.1MB. Free memory was 433.8MB in the beginning and 419.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 678.69ms. Allocated memory is still 476.1MB. Free memory was 419.1MB in the beginning and 373.0MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 727]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L692] 0 pthread_mutex_t ma, mb; VAL [ma={3:0}, mb={4:0}] [L693] 0 int data1, data2; VAL [data1=0, data2=0, ma={3:0}, mb={4:0}] [L716] 0 pthread_t t1, t2; VAL [data1=0, data2=0, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L719] 0 data1 = 10 VAL [data1=10, data2=0, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L720] 0 data2 = 10 VAL [data1=10, data2=10, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_create(&t1, 0, thread1, 0)=-1, t1={6:0}, t2={5:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_create(&t2, 0, thread2, 0)=0, t1={6:0}, t2={5:0}] [L707] 2 data1+=5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=10, ma={3:0}, mb={4:0}] [L710] 2 data2-=6 VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=4, ma={3:0}, mb={4:0}] [L712] 2 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=4, ma={3:0}, mb={4:0}] [L697] 1 data1++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=4, ma={3:0}, mb={4:0}] [L700] 1 data2++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L702] 1 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L723] 0 \read(t1) VAL [\read(t1)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L724] 0 \read(t2) VAL [\read(t2)=0, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=0, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L725] COND TRUE 0 data1==16 && data2==5 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L727] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-01-18 22:05:14,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...