/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-11 18:33:39,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-11 18:33:39,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-11 18:33:39,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-11 18:33:39,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-11 18:33:39,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-11 18:33:39,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-11 18:33:39,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-11 18:33:39,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-11 18:33:39,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-11 18:33:39,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-11 18:33:39,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-11 18:33:39,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-11 18:33:39,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-11 18:33:39,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-11 18:33:39,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-11 18:33:39,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-11 18:33:39,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-11 18:33:39,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-11 18:33:39,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-11 18:33:39,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-11 18:33:39,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-11 18:33:39,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-11 18:33:39,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-11 18:33:39,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-11 18:33:39,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-11 18:33:39,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-11 18:33:39,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-11 18:33:39,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-11 18:33:39,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-11 18:33:39,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-11 18:33:39,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-11 18:33:39,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-11 18:33:39,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-11 18:33:39,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-11 18:33:39,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-11 18:33:39,525 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-FA-NoLbe.epf [2020-11-11 18:33:39,581 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-11 18:33:39,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-11 18:33:39,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-11 18:33:39,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-11 18:33:39,587 INFO L138 SettingsManager]: * Use SBE=true [2020-11-11 18:33:39,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-11 18:33:39,588 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-11 18:33:39,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-11 18:33:39,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-11 18:33:39,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-11 18:33:39,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-11 18:33:39,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-11 18:33:39,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-11 18:33:39,591 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-11 18:33:39,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-11 18:33:39,591 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-11 18:33:39,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-11 18:33:39,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-11 18:33:39,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-11 18:33:39,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-11 18:33:39,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-11 18:33:39,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-11 18:33:39,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-11 18:33:39,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-11 18:33:39,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-11 18:33:39,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-11 18:33:39,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-11 18:33:39,594 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-11 18:33:39,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-11 18:33:39,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-11 18:33:39,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-11 18:33:40,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-11 18:33:40,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-11 18:33:40,026 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-11 18:33:40,029 INFO L275 PluginConnector]: CDTParser initialized [2020-11-11 18:33:40,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2020-11-11 18:33:40,129 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5248ed0f1/a0773384ae584177ac0c3cd045932d7e/FLAG642bb5bbb [2020-11-11 18:33:40,988 INFO L306 CDTParser]: Found 1 translation units. [2020-11-11 18:33:40,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2020-11-11 18:33:41,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5248ed0f1/a0773384ae584177ac0c3cd045932d7e/FLAG642bb5bbb [2020-11-11 18:33:41,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5248ed0f1/a0773384ae584177ac0c3cd045932d7e [2020-11-11 18:33:41,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-11 18:33:41,129 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-11 18:33:41,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-11 18:33:41,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-11 18:33:41,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-11 18:33:41,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:33:41" (1/1) ... [2020-11-11 18:33:41,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ffddfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:33:41, skipping insertion in model container [2020-11-11 18:33:41,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:33:41" (1/1) ... [2020-11-11 18:33:41,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-11 18:33:41,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-11 18:33:42,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-11 18:33:42,130 INFO L203 MainTranslator]: Completed pre-run [2020-11-11 18:33:42,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-11 18:33:42,703 INFO L208 MainTranslator]: Completed translation [2020-11-11 18:33:42,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:33:42 WrapperNode [2020-11-11 18:33:42,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-11 18:33:42,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-11 18:33:42,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-11 18:33:42,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-11 18:33:42,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:33:42" (1/1) ... [2020-11-11 18:33:42,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:33:42" (1/1) ... [2020-11-11 18:33:42,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-11 18:33:42,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-11 18:33:42,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-11 18:33:42,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-11 18:33:42,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:33:42" (1/1) ... [2020-11-11 18:33:42,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:33:42" (1/1) ... [2020-11-11 18:33:42,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:33:42" (1/1) ... [2020-11-11 18:33:42,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:33:42" (1/1) ... [2020-11-11 18:33:42,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:33:42" (1/1) ... [2020-11-11 18:33:42,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:33:42" (1/1) ... [2020-11-11 18:33:42,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:33:42" (1/1) ... [2020-11-11 18:33:42,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-11 18:33:42,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-11 18:33:42,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-11 18:33:42,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-11 18:33:42,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:33:42" (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 [2020-11-11 18:33:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-11 18:33:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-11 18:33:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-11 18:33:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-11 18:33:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-11 18:33:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-11 18:33:42,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-11 18:33:42,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-11 18:33:42,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-11 18:33:42,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-11-11 18:33:42,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-11-11 18:33:42,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-11 18:33:42,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-11 18:33:42,954 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-11 18:33:43,865 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-11 18:33:43,865 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-11 18:33:43,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:33:43 BoogieIcfgContainer [2020-11-11 18:33:43,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-11 18:33:43,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-11 18:33:43,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-11 18:33:43,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-11 18:33:43,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 06:33:41" (1/3) ... [2020-11-11 18:33:43,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71babfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:33:43, skipping insertion in model container [2020-11-11 18:33:43,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:33:42" (2/3) ... [2020-11-11 18:33:43,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71babfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:33:43, skipping insertion in model container [2020-11-11 18:33:43,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:33:43" (3/3) ... [2020-11-11 18:33:43,877 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2020-11-11 18:33:43,893 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-11 18:33:43,894 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-11 18:33:43,898 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-11 18:33:43,899 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-11 18:33:43,961 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,961 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,961 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,962 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,962 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,962 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,964 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,964 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,964 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,964 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,967 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,967 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,967 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,967 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,968 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:33:43,978 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-11 18:33:43,991 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-11 18:33:44,015 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-11 18:33:44,015 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-11 18:33:44,015 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-11 18:33:44,015 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-11 18:33:44,015 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-11 18:33:44,016 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-11 18:33:44,016 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-11 18:33:44,016 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-11 18:33:44,029 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 99 transitions, 206 flow [2020-11-11 18:33:44,053 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 226 states, 218 states have (on average 1.610091743119266) internal successors, (351), 225 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:33:44,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 218 states have (on average 1.610091743119266) internal successors, (351), 225 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:33:44,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-11 18:33:44,065 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:33:44,066 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:33:44,066 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:33:44,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:33:44,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1363746776, now seen corresponding path program 1 times [2020-11-11 18:33:44,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:33:44,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724971844] [2020-11-11 18:33:44,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:33:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:33:44,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:33:44,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724971844] [2020-11-11 18:33:44,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:33:44,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-11 18:33:44,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636854203] [2020-11-11 18:33:44,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-11 18:33:44,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:33:44,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-11 18:33:44,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-11 18:33:44,625 INFO L87 Difference]: Start difference. First operand has 226 states, 218 states have (on average 1.610091743119266) internal successors, (351), 225 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:33:44,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:33:44,759 INFO L93 Difference]: Finished difference Result 216 states and 335 transitions. [2020-11-11 18:33:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-11 18:33:44,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2020-11-11 18:33:44,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:33:44,774 INFO L225 Difference]: With dead ends: 216 [2020-11-11 18:33:44,774 INFO L226 Difference]: Without dead ends: 167 [2020-11-11 18:33:44,776 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-11 18:33:44,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-11-11 18:33:44,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2020-11-11 18:33:44,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 163 states have (on average 1.5337423312883436) internal successors, (250), 166 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:33:44,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 250 transitions. [2020-11-11 18:33:44,838 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 250 transitions. Word has length 29 [2020-11-11 18:33:44,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:33:44,839 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 250 transitions. [2020-11-11 18:33:44,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:33:44,839 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 250 transitions. [2020-11-11 18:33:44,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-11 18:33:44,841 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:33:44,841 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:33:44,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-11 18:33:44,842 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:33:44,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:33:44,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1070427306, now seen corresponding path program 1 times [2020-11-11 18:33:44,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:33:44,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860645742] [2020-11-11 18:33:44,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:33:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:33:45,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:33:45,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860645742] [2020-11-11 18:33:45,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:33:45,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-11 18:33:45,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202554753] [2020-11-11 18:33:45,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-11 18:33:45,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:33:45,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-11 18:33:45,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-11 18:33:45,078 INFO L87 Difference]: Start difference. First operand 167 states and 250 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:33:45,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:33:45,201 INFO L93 Difference]: Finished difference Result 163 states and 246 transitions. [2020-11-11 18:33:45,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-11 18:33:45,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2020-11-11 18:33:45,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:33:45,204 INFO L225 Difference]: With dead ends: 163 [2020-11-11 18:33:45,204 INFO L226 Difference]: Without dead ends: 163 [2020-11-11 18:33:45,205 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-11 18:33:45,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-11-11 18:33:45,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-11-11 18:33:45,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 160 states have (on average 1.5375) internal successors, (246), 162 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:33:45,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 246 transitions. [2020-11-11 18:33:45,222 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 246 transitions. Word has length 37 [2020-11-11 18:33:45,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:33:45,222 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 246 transitions. [2020-11-11 18:33:45,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:33:45,223 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 246 transitions. [2020-11-11 18:33:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-11 18:33:45,224 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:33:45,225 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:33:45,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-11 18:33:45,225 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:33:45,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:33:45,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1024730958, now seen corresponding path program 1 times [2020-11-11 18:33:45,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:33:45,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914749379] [2020-11-11 18:33:45,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:33:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:33:45,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:33:45,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914749379] [2020-11-11 18:33:45,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:33:45,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-11 18:33:45,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727740648] [2020-11-11 18:33:45,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-11 18:33:45,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:33:45,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-11 18:33:45,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 18:33:45,326 INFO L87 Difference]: Start difference. First operand 163 states and 246 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:33:45,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:33:45,353 INFO L93 Difference]: Finished difference Result 174 states and 259 transitions. [2020-11-11 18:33:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-11 18:33:45,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2020-11-11 18:33:45,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:33:45,356 INFO L225 Difference]: With dead ends: 174 [2020-11-11 18:33:45,356 INFO L226 Difference]: Without dead ends: 159 [2020-11-11 18:33:45,357 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 18:33:45,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-11-11 18:33:45,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 147. [2020-11-11 18:33:45,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 145 states have (on average 1.5793103448275863) internal successors, (229), 146 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:33:45,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 229 transitions. [2020-11-11 18:33:45,383 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 229 transitions. Word has length 41 [2020-11-11 18:33:45,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:33:45,383 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 229 transitions. [2020-11-11 18:33:45,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:33:45,384 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 229 transitions. [2020-11-11 18:33:45,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-11 18:33:45,385 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:33:45,386 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 18:33:45,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-11 18:33:45,389 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:33:45,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:33:45,389 INFO L82 PathProgramCache]: Analyzing trace with hash -765777644, now seen corresponding path program 1 times [2020-11-11 18:33:45,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:33:45,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741729884] [2020-11-11 18:33:45,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:33:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-11 18:33:45,473 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-11 18:33:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-11 18:33:45,501 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-11 18:33:45,536 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-11 18:33:45,536 INFO L595 BasicCegarLoop]: Counterexample might be feasible [2020-11-11 18:33:45,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-11 18:33:45,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 06:33:45 BasicIcfg [2020-11-11 18:33:45,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-11 18:33:45,610 INFO L168 Benchmark]: Toolchain (without parser) took 4486.74 ms. Allocated memory is still 302.0 MB. Free memory was 273.6 MB in the beginning and 167.0 MB in the end (delta: 106.6 MB). Peak memory consumption was 108.2 MB. Max. memory is 16.0 GB. [2020-11-11 18:33:45,612 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory was 273.4 MB in the beginning and 273.3 MB in the end (delta: 76.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-11 18:33:45,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1571.57 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 159.1 MB in the end (delta: 113.9 MB). Peak memory consumption was 113.0 MB. Max. memory is 16.0 GB. [2020-11-11 18:33:45,615 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.47 ms. Allocated memory is still 302.0 MB. Free memory was 159.1 MB in the beginning and 156.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-11 18:33:45,617 INFO L168 Benchmark]: Boogie Preprocessor took 52.03 ms. Allocated memory is still 302.0 MB. Free memory was 156.0 MB in the beginning and 152.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2020-11-11 18:33:45,619 INFO L168 Benchmark]: RCFGBuilder took 1011.33 ms. Allocated memory is still 302.0 MB. Free memory was 152.8 MB in the beginning and 109.8 MB in the end (delta: 43.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.0 GB. [2020-11-11 18:33:45,620 INFO L168 Benchmark]: TraceAbstraction took 1737.94 ms. Allocated memory is still 302.0 MB. Free memory was 108.8 MB in the beginning and 167.0 MB in the end (delta: -58.2 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-11 18:33:45,631 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory was 273.4 MB in the beginning and 273.3 MB in the end (delta: 76.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1571.57 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 159.1 MB in the end (delta: 113.9 MB). Peak memory consumption was 113.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 96.47 ms. Allocated memory is still 302.0 MB. Free memory was 159.1 MB in the beginning and 156.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 52.03 ms. Allocated memory is still 302.0 MB. Free memory was 156.0 MB in the beginning and 152.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1011.33 ms. Allocated memory is still 302.0 MB. Free memory was 152.8 MB in the beginning and 109.8 MB in the end (delta: 43.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1737.94 ms. Allocated memory is still 302.0 MB. Free memory was 108.8 MB in the beginning and 167.0 MB in the end (delta: -58.2 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1693]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1696] 0 pthread_t t1; VAL [t1={7:0}] [L1697] 0 pthread_mutex_t mutex; VAL [mutex={9:0}, t1={7:0}] [L1698] 0 int pdev; VAL [mutex={9:0}, pdev=0, t1={7:0}] [L1709] 0 pdev = 1 VAL [mutex={9:0}, pdev=1, t1={7:0}] [L1695] COND FALSE 0 !(!expression) VAL [mutex={9:0}, pdev=1, t1={7:0}] [L1711] COND TRUE 0 __VERIFIER_nondet_int() VAL [mutex={9:0}, pdev=1, t1={7:0}] [L1712] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={9:0}, pdev=1, t1={7:0}] [L1713] 0 return 0; VAL [arg={0:0}, mutex={9:0}, pdev=1, t1={7:0}] [L1734] COND FALSE 0 !(module_init()!=0) VAL [arg={0:0}, mutex={9:0}, pdev=1, t1={7:0}] [L1721] 0 void *status; VAL [arg={0:0}, arg={0:0}, mutex={9:0}, pdev=1, t1={7:0}] [L1723] 0 pdev = 4 VAL [arg={0:0}, arg={0:0}, mutex={9:0}, pdev=4, t1={7:0}] [L1702] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={9:0}, pdev=6, t1={7:0}] [L1695] COND TRUE 0 !expression [L1693] COND FALSE 0 !(0) [L1693] 0 __assert_fail ("0", "race-1_3-join.c", 10, __extension__ __PRETTY_FUNCTION__) VAL [arg={0:0}, arg={0:0}, mutex={9:0}, pdev=6, t1={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 242 SDtfs, 221 SDslu, 369 SDs, 0 SdLazy, 67 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 4464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...