/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 17:45:43,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 17:45:43,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 17:45:43,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-12 17:45:43,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 17:45:43,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 17:45:43,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 17:45:43,845 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 [2021-08-12 17:45:43,878 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 17:45:43,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 17:45:43,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-12 17:45:43,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-12 17:45:43,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 17:45:43,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 17:45:43,880 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 17:45:43,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 17:45:43,881 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 17:45:43,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 17:45:43,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 17:45:43,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 17:45:43,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 17:45:43,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 17:45:43,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 17:45:43,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 17:45:43,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 17:45:43,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 17:45:43,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 17:45:43,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 17:45:43,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 17:45:43,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 17:45:43,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 17:45:43,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 17:45:43,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 17:45:43,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 17:45:43,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 17:45:43,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 17:45:43,888 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 17:45:43,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 17:45:43,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 17:45:44,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 17:45:44,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 17:45:44,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 17:45:44,245 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-12 17:45:44,245 INFO L275 PluginConnector]: CDTParser initialized [2021-08-12 17:45:44,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i [2021-08-12 17:45:44,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a38cbe01/fe57afd6c02d4cbaa75445d874724fd8/FLAG154058bff [2021-08-12 17:45:44,936 INFO L306 CDTParser]: Found 1 translation units. [2021-08-12 17:45:44,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i [2021-08-12 17:45:44,960 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a38cbe01/fe57afd6c02d4cbaa75445d874724fd8/FLAG154058bff [2021-08-12 17:45:45,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a38cbe01/fe57afd6c02d4cbaa75445d874724fd8 [2021-08-12 17:45:45,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 17:45:45,307 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-12 17:45:45,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-12 17:45:45,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-12 17:45:45,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-12 17:45:45,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 05:45:45" (1/1) ... [2021-08-12 17:45:45,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bdadb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:45:45, skipping insertion in model container [2021-08-12 17:45:45,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 05:45:45" (1/1) ... [2021-08-12 17:45:45,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-12 17:45:45,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-12 17:45:45,933 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i[76153,76166] [2021-08-12 17:45:45,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 17:45:45,953 INFO L203 MainTranslator]: Completed pre-run [2021-08-12 17:45:45,991 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i[76153,76166] [2021-08-12 17:45:45,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 17:45:46,253 INFO L208 MainTranslator]: Completed translation [2021-08-12 17:45:46,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:45:46 WrapperNode [2021-08-12 17:45:46,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-12 17:45:46,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 17:45:46,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 17:45:46,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 17:45:46,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:45:46" (1/1) ... [2021-08-12 17:45:46,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:45:46" (1/1) ... [2021-08-12 17:45:46,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 17:45:46,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 17:45:46,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 17:45:46,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 17:45:46,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:45:46" (1/1) ... [2021-08-12 17:45:46,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:45:46" (1/1) ... [2021-08-12 17:45:46,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:45:46" (1/1) ... [2021-08-12 17:45:46,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:45:46" (1/1) ... [2021-08-12 17:45:46,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:45:46" (1/1) ... [2021-08-12 17:45:46,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:45:46" (1/1) ... [2021-08-12 17:45:46,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:45:46" (1/1) ... [2021-08-12 17:45:46,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 17:45:46,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 17:45:46,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 17:45:46,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 17:45:46,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:45:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 17:45:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-12 17:45:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-12 17:45:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-12 17:45:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-12 17:45:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-12 17:45:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-12 17:45:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 17:45:46,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 17:45:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-12 17:45:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-12 17:45:46,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-12 17:45:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-12 17:45:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-12 17:45:46,414 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 17:45:47,037 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 17:45:47,038 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-08-12 17:45:47,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 05:45:47 BoogieIcfgContainer [2021-08-12 17:45:47,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 17:45:47,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 17:45:47,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 17:45:47,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 17:45:47,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.08 05:45:45" (1/3) ... [2021-08-12 17:45:47,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119bb588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 05:45:47, skipping insertion in model container [2021-08-12 17:45:47,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 05:45:46" (2/3) ... [2021-08-12 17:45:47,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119bb588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 05:45:47, skipping insertion in model container [2021-08-12 17:45:47,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 05:45:47" (3/3) ... [2021-08-12 17:45:47,050 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2021-08-12 17:45:47,056 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 17:45:47,056 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-08-12 17:45:47,057 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 17:45:47,082 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,083 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,084 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,084 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,084 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,084 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,084 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,084 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,085 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,085 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,085 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,085 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,085 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,085 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,087 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,087 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,089 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,089 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,089 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,090 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,090 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 17:45:47,103 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-08-12 17:45:47,122 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-12 17:45:47,147 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 17:45:47,147 INFO L379 AbstractCegarLoop]: Hoare is true [2021-08-12 17:45:47,148 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 17:45:47,148 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 17:45:47,148 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 17:45:47,148 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 17:45:47,148 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 17:45:47,148 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 17:45:47,160 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 89 places, 90 transitions, 188 flow [2021-08-12 17:45:47,188 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 224 states, 217 states have (on average 1.6267281105990783) internal successors, (353), 223 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 17:45:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 224 states, 217 states have (on average 1.6267281105990783) internal successors, (353), 223 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 17:45:47,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-12 17:45:47,200 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 17:45:47,200 INFO L550 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] [2021-08-12 17:45:47,201 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 17:45:47,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 17:45:47,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1156883515, now seen corresponding path program 1 times [2021-08-12 17:45:47,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 17:45:47,210 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973111014] [2021-08-12 17:45:47,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 17:45:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 17:45:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 17:45:47,590 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 17:45:47,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973111014] [2021-08-12 17:45:47,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973111014] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 17:45:47,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 17:45:47,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 17:45:47,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105707754] [2021-08-12 17:45:47,595 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 17:45:47,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 17:45:47,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 17:45:47,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 17:45:47,608 INFO L87 Difference]: Start difference. First operand has 224 states, 217 states have (on average 1.6267281105990783) internal successors, (353), 223 states have internal predecessors, (353), 0 states have call successors, (0), 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 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 17:45:47,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 17:45:47,731 INFO L93 Difference]: Finished difference Result 417 states and 674 transitions. [2021-08-12 17:45:47,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 17:45:47,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-08-12 17:45:47,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 17:45:47,741 INFO L225 Difference]: With dead ends: 417 [2021-08-12 17:45:47,741 INFO L226 Difference]: Without dead ends: 163 [2021-08-12 17:45:47,745 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 35.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-12 17:45:47,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-08-12 17:45:47,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2021-08-12 17:45:47,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 160 states have (on average 1.58125) internal successors, (253), 162 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 17:45:47,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 253 transitions. [2021-08-12 17:45:47,787 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 253 transitions. Word has length 27 [2021-08-12 17:45:47,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 17:45:47,787 INFO L482 AbstractCegarLoop]: Abstraction has 163 states and 253 transitions. [2021-08-12 17:45:47,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 17:45:47,787 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 253 transitions. [2021-08-12 17:45:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-12 17:45:47,788 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 17:45:47,789 INFO L550 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] [2021-08-12 17:45:47,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 17:45:47,789 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 17:45:47,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 17:45:47,790 INFO L82 PathProgramCache]: Analyzing trace with hash 145435750, now seen corresponding path program 1 times [2021-08-12 17:45:47,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 17:45:47,790 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233929619] [2021-08-12 17:45:47,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 17:45:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 17:45:47,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 17:45:47,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 17:45:47,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233929619] [2021-08-12 17:45:47,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233929619] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 17:45:47,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 17:45:47,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-12 17:45:47,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595895345] [2021-08-12 17:45:47,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 17:45:47,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 17:45:47,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 17:45:47,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-12 17:45:47,938 INFO L87 Difference]: Start difference. First operand 163 states and 253 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 17:45:48,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 17:45:48,034 INFO L93 Difference]: Finished difference Result 163 states and 253 transitions. [2021-08-12 17:45:48,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 17:45:48,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2021-08-12 17:45:48,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 17:45:48,036 INFO L225 Difference]: With dead ends: 163 [2021-08-12 17:45:48,036 INFO L226 Difference]: Without dead ends: 155 [2021-08-12 17:45:48,037 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 37.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-12 17:45:48,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-08-12 17:45:48,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2021-08-12 17:45:48,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 153 states have (on average 1.6013071895424837) internal successors, (245), 154 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 17:45:48,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 245 transitions. [2021-08-12 17:45:48,050 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 245 transitions. Word has length 35 [2021-08-12 17:45:48,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 17:45:48,050 INFO L482 AbstractCegarLoop]: Abstraction has 155 states and 245 transitions. [2021-08-12 17:45:48,050 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 17:45:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 245 transitions. [2021-08-12 17:45:48,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-08-12 17:45:48,051 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 17:45:48,051 INFO L550 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] [2021-08-12 17:45:48,051 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 17:45:48,051 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 17:45:48,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 17:45:48,052 INFO L82 PathProgramCache]: Analyzing trace with hash -106359310, now seen corresponding path program 1 times [2021-08-12 17:45:48,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 17:45:48,052 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940619244] [2021-08-12 17:45:48,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 17:45:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 17:45:48,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 17:45:48,107 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 17:45:48,107 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940619244] [2021-08-12 17:45:48,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940619244] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 17:45:48,108 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 17:45:48,108 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-12 17:45:48,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478155093] [2021-08-12 17:45:48,108 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 17:45:48,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 17:45:48,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 17:45:48,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 17:45:48,109 INFO L87 Difference]: Start difference. First operand 155 states and 245 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 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) [2021-08-12 17:45:48,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-12 17:45:48,134 INFO L93 Difference]: Finished difference Result 203 states and 323 transitions. [2021-08-12 17:45:48,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 17:45:48,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 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 [2021-08-12 17:45:48,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-12 17:45:48,137 INFO L225 Difference]: With dead ends: 203 [2021-08-12 17:45:48,137 INFO L226 Difference]: Without dead ends: 195 [2021-08-12 17:45:48,137 INFO L806 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 17:45:48,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-08-12 17:45:48,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 155. [2021-08-12 17:45:48,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 153 states have (on average 1.5947712418300655) internal successors, (244), 154 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 17:45:48,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 244 transitions. [2021-08-12 17:45:48,150 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 244 transitions. Word has length 37 [2021-08-12 17:45:48,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-12 17:45:48,150 INFO L482 AbstractCegarLoop]: Abstraction has 155 states and 244 transitions. [2021-08-12 17:45:48,151 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 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) [2021-08-12 17:45:48,151 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 244 transitions. [2021-08-12 17:45:48,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-08-12 17:45:48,152 INFO L542 BasicCegarLoop]: Found error trace [2021-08-12 17:45:48,152 INFO L550 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] [2021-08-12 17:45:48,152 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 17:45:48,152 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 17:45:48,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 17:45:48,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1131091410, now seen corresponding path program 1 times [2021-08-12 17:45:48,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 17:45:48,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740859161] [2021-08-12 17:45:48,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 17:45:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-12 17:45:48,195 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-12 17:45:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-12 17:45:48,230 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-12 17:45:48,261 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-12 17:45:48,261 INFO L651 BasicCegarLoop]: Counterexample might be feasible [2021-08-12 17:45:48,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-12 17:45:48,265 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-12 17:45:48,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.08 05:45:48 BasicIcfg [2021-08-12 17:45:48,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-12 17:45:48,310 INFO L168 Benchmark]: Toolchain (without parser) took 3002.30 ms. Allocated memory was 174.1 MB in the beginning and 228.6 MB in the end (delta: 54.5 MB). Free memory was 135.8 MB in the beginning and 99.7 MB in the end (delta: 36.1 MB). Peak memory consumption was 92.1 MB. Max. memory is 8.0 GB. [2021-08-12 17:45:48,310 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 174.1 MB. Free memory is still 156.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 17:45:48,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 943.60 ms. Allocated memory is still 174.1 MB. Free memory was 135.6 MB in the beginning and 118.5 MB in the end (delta: 17.1 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. [2021-08-12 17:45:48,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.09 ms. Allocated memory is still 174.1 MB. Free memory was 118.5 MB in the beginning and 115.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-12 17:45:48,311 INFO L168 Benchmark]: Boogie Preprocessor took 37.27 ms. Allocated memory is still 174.1 MB. Free memory was 115.8 MB in the beginning and 113.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-12 17:45:48,312 INFO L168 Benchmark]: RCFGBuilder took 696.36 ms. Allocated memory is still 174.1 MB. Free memory was 113.2 MB in the beginning and 72.3 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 8.0 GB. [2021-08-12 17:45:48,312 INFO L168 Benchmark]: TraceAbstraction took 1263.34 ms. Allocated memory was 174.1 MB in the beginning and 228.6 MB in the end (delta: 54.5 MB). Free memory was 71.8 MB in the beginning and 99.7 MB in the end (delta: -27.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 8.0 GB. [2021-08-12 17:45:48,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 174.1 MB. Free memory is still 156.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 943.60 ms. Allocated memory is still 174.1 MB. Free memory was 135.6 MB in the beginning and 118.5 MB in the end (delta: 17.1 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 54.09 ms. Allocated memory is still 174.1 MB. Free memory was 118.5 MB in the beginning and 115.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.27 ms. Allocated memory is still 174.1 MB. Free memory was 115.8 MB in the beginning and 113.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 696.36 ms. Allocated memory is still 174.1 MB. Free memory was 113.2 MB in the beginning and 72.3 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1263.34 ms. Allocated memory was 174.1 MB in the beginning and 228.6 MB in the end (delta: 54.5 MB). Free memory was 71.8 MB in the beginning and 99.7 MB in the end (delta: -27.9 MB). Peak memory consumption was 27.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1695]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1696] 0 pthread_t t1; VAL [t1={7:0}] [L1697] 0 pthread_mutex_t mutex; VAL [mutex={3:0}, t1={7:0}] [L1698] 0 int pdev; VAL [mutex={3:0}, pdev=0, t1={7:0}] [L1709] 0 pdev = 1 VAL [mutex={3:0}, pdev=1, t1={7:0}] [L1695] COND FALSE 0 !(!expression) VAL [mutex={3:0}, pdev=1, t1={7:0}] [L1711] COND TRUE 0 __VERIFIER_nondet_int() VAL [mutex={3:0}, pdev=1, t1={7:0}] [L1712] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={3:0}, pdev=1, t1={7:0}] [L1714] 0 pdev = 2 VAL [arg={0:0}, arg={0:0}, mutex={3:0}, pdev=2, t1={7:0}] [L1702] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={3:0}, pdev=6, t1={7:0}] [L1695] COND TRUE 0 !expression [L1695] 0 reach_error() VAL [arg={0:0}, arg={0:0}, mutex={3:0}, pdev=6, t1={7:0}] - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 95 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1117.1ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 12.2ms, AutomataDifference: 279.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 41.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 233 SDtfs, 194 SDslu, 347 SDs, 0 SdLazy, 59 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 75.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 53.4ms AutomataMinimizationTime, 3 MinimizatonAttempts, 40 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.2ms SsaConstructionTime, 116.2ms SatisfiabilityAnalysisTime, 291.0ms InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 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...