/usr/bin/java -Xmx8000000000 -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 13:12:27,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 13:12:27,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 13:12:27,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 13:12:27,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 13:12:27,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 13:12:27,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 13:12:27,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 13:12:27,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 13:12:27,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 13:12:27,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 13:12:27,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 13:12:27,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 13:12:27,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 13:12:27,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 13:12:27,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 13:12:27,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 13:12:27,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 13:12:27,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 13:12:27,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 13:12:27,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 13:12:27,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 13:12:27,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 13:12:27,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 13:12:27,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 13:12:27,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 13:12:27,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 13:12:27,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 13:12:27,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 13:12:27,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 13:12:27,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 13:12:27,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 13:12:27,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 13:12:27,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 13:12:27,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 13:12:27,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 13:12:27,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-09 13:12:27,350 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 13:12:27,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 13:12:27,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 13:12:27,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 13:12:27,352 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 13:12:27,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 13:12:27,353 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 13:12:27,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 13:12:27,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 13:12:27,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 13:12:27,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 13:12:27,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 13:12:27,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 13:12:27,354 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 13:12:27,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 13:12:27,354 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 13:12:27,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 13:12:27,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 13:12:27,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 13:12:27,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 13:12:27,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 13:12:27,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 13:12:27,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 13:12:27,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-09 13:12:27,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 13:12:27,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 13:12:27,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 13:12:27,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 13:12:27,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-09 13:12:27,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 13:12:27,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 13:12:27,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 13:12:27,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 13:12:27,746 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 13:12:27,747 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 13:12:27,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2020-11-09 13:12:27,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838fe1c2b/8201aaa4bcc44d0a8b5681a6e5f04b3a/FLAG941ac4640 [2020-11-09 13:12:28,548 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 13:12:28,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2020-11-09 13:12:28,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838fe1c2b/8201aaa4bcc44d0a8b5681a6e5f04b3a/FLAG941ac4640 [2020-11-09 13:12:28,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/838fe1c2b/8201aaa4bcc44d0a8b5681a6e5f04b3a [2020-11-09 13:12:28,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 13:12:28,783 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 13:12:28,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 13:12:28,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 13:12:28,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 13:12:28,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:12:28" (1/1) ... [2020-11-09 13:12:28,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a59c138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:28, skipping insertion in model container [2020-11-09 13:12:28,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:12:28" (1/1) ... [2020-11-09 13:12:28,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 13:12:28,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 13:12:29,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 13:12:29,292 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 13:12:29,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 13:12:29,531 INFO L208 MainTranslator]: Completed translation [2020-11-09 13:12:29,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:29 WrapperNode [2020-11-09 13:12:29,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 13:12:29,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 13:12:29,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 13:12:29,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 13:12:29,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:29" (1/1) ... [2020-11-09 13:12:29,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:29" (1/1) ... [2020-11-09 13:12:29,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 13:12:29,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 13:12:29,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 13:12:29,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 13:12:29,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:29" (1/1) ... [2020-11-09 13:12:29,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:29" (1/1) ... [2020-11-09 13:12:29,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:29" (1/1) ... [2020-11-09 13:12:29,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:29" (1/1) ... [2020-11-09 13:12:29,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:29" (1/1) ... [2020-11-09 13:12:29,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:29" (1/1) ... [2020-11-09 13:12:29,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:29" (1/1) ... [2020-11-09 13:12:29,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 13:12:29,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 13:12:29,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 13:12:29,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 13:12:29,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:29" (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 [2020-11-09 13:12:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 13:12:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 13:12:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-09 13:12:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 13:12:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-11-09 13:12:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-11-09 13:12:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 13:12:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 13:12:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 13:12:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 13:12:29,794 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 13:12:30,343 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 13:12:30,344 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-09 13:12:30,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:30 BoogieIcfgContainer [2020-11-09 13:12:30,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 13:12:30,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 13:12:30,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 13:12:30,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 13:12:30,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:12:28" (1/3) ... [2020-11-09 13:12:30,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38424a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:12:30, skipping insertion in model container [2020-11-09 13:12:30,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:29" (2/3) ... [2020-11-09 13:12:30,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38424a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:12:30, skipping insertion in model container [2020-11-09 13:12:30,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:30" (3/3) ... [2020-11-09 13:12:30,355 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2020-11-09 13:12:30,372 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 13:12:30,372 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-09 13:12:30,376 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 13:12:30,377 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 13:12:30,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,409 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,409 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,410 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,410 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,410 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,411 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,411 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,411 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,411 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,411 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,412 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,412 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,416 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,416 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,416 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,416 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,417 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,418 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,418 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,418 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,419 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,419 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,420 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,420 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,422 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,422 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,422 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,422 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,424 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,427 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,428 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,428 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,429 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,429 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:30,440 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-09 13:12:30,453 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 13:12:30,478 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:12:30,478 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:12:30,478 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:12:30,478 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:12:30,478 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:12:30,479 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:12:30,479 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:12:30,479 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:12:30,493 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:12:30,495 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 100 transitions, 208 flow [2020-11-09 13:12:30,499 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 100 transitions, 208 flow [2020-11-09 13:12:30,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 100 transitions, 208 flow [2020-11-09 13:12:30,556 INFO L129 PetriNetUnfolder]: 10/99 cut-off events. [2020-11-09 13:12:30,557 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-11-09 13:12:30,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 99 events. 10/99 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 158 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 58. Up to 3 conditions per place. [2020-11-09 13:12:30,571 INFO L116 LiptonReduction]: Number of co-enabled transitions 1650 [2020-11-09 13:12:34,693 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-09 13:12:34,888 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-11-09 13:12:35,697 WARN L194 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-11-09 13:12:35,957 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 13:12:36,214 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-11-09 13:12:36,441 WARN L194 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 13:12:37,560 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2020-11-09 13:12:38,027 WARN L194 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-11-09 13:12:38,935 WARN L194 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 144 [2020-11-09 13:12:39,372 WARN L194 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-11-09 13:12:39,379 INFO L131 LiptonReduction]: Checked pairs total: 2937 [2020-11-09 13:12:39,380 INFO L133 LiptonReduction]: Total number of compositions: 90 [2020-11-09 13:12:39,386 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 30 transitions, 68 flow [2020-11-09 13:12:39,397 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 84 states. [2020-11-09 13:12:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2020-11-09 13:12:39,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 13:12:39,405 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:12:39,406 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 13:12:39,406 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:12:39,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:12:39,413 INFO L82 PathProgramCache]: Analyzing trace with hash 372300529, now seen corresponding path program 1 times [2020-11-09 13:12:39,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:12:39,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135506950] [2020-11-09 13:12:39,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:12:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:12:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:12:39,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135506950] [2020-11-09 13:12:39,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:12:39,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 13:12:39,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194945374] [2020-11-09 13:12:39,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:12:39,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:12:39,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:12:39,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:12:39,685 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 3 states. [2020-11-09 13:12:39,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:12:39,749 INFO L93 Difference]: Finished difference Result 105 states and 178 transitions. [2020-11-09 13:12:39,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:12:39,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 13:12:39,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:12:39,760 INFO L225 Difference]: With dead ends: 105 [2020-11-09 13:12:39,760 INFO L226 Difference]: Without dead ends: 38 [2020-11-09 13:12:39,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:12:39,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-11-09 13:12:39,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-11-09 13:12:39,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-11-09 13:12:39,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 60 transitions. [2020-11-09 13:12:39,801 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 60 transitions. Word has length 5 [2020-11-09 13:12:39,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:12:39,801 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 60 transitions. [2020-11-09 13:12:39,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:12:39,801 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2020-11-09 13:12:39,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 13:12:39,802 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:12:39,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:12:39,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 13:12:39,803 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:12:39,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:12:39,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1953090615, now seen corresponding path program 1 times [2020-11-09 13:12:39,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:12:39,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333488687] [2020-11-09 13:12:39,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:12:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:12:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:12:39,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333488687] [2020-11-09 13:12:39,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:12:39,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-09 13:12:39,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316141178] [2020-11-09 13:12:39,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-09 13:12:39,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:12:39,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-09 13:12:39,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:12:39,924 INFO L87 Difference]: Start difference. First operand 38 states and 60 transitions. Second operand 5 states. [2020-11-09 13:12:39,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:12:39,994 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2020-11-09 13:12:39,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 13:12:39,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-11-09 13:12:39,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:12:39,995 INFO L225 Difference]: With dead ends: 31 [2020-11-09 13:12:39,995 INFO L226 Difference]: Without dead ends: 28 [2020-11-09 13:12:39,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:12:39,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-11-09 13:12:40,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-11-09 13:12:40,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-11-09 13:12:40,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 38 transitions. [2020-11-09 13:12:40,001 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 38 transitions. Word has length 9 [2020-11-09 13:12:40,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:12:40,002 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 38 transitions. [2020-11-09 13:12:40,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-09 13:12:40,002 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2020-11-09 13:12:40,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 13:12:40,003 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:12:40,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:12:40,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 13:12:40,003 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:12:40,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:12:40,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1555777892, now seen corresponding path program 1 times [2020-11-09 13:12:40,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:12:40,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036072259] [2020-11-09 13:12:40,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:12:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:12:40,040 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:12:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:12:40,069 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:12:40,097 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 13:12:40,097 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 13:12:40,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 13:12:40,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:12:40 BasicIcfg [2020-11-09 13:12:40,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 13:12:40,138 INFO L168 Benchmark]: Toolchain (without parser) took 11360.81 ms. Allocated memory was 155.2 MB in the beginning and 186.6 MB in the end (delta: 31.5 MB). Free memory was 129.4 MB in the beginning and 62.4 MB in the end (delta: 67.0 MB). Peak memory consumption was 99.8 MB. Max. memory is 8.0 GB. [2020-11-09 13:12:40,139 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 125.8 MB. Free memory was 98.9 MB in the beginning and 98.7 MB in the end (delta: 120.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 13:12:40,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.57 ms. Allocated memory is still 155.2 MB. Free memory was 128.7 MB in the beginning and 122.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 19.0 MB. Max. memory is 8.0 GB. [2020-11-09 13:12:40,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.01 ms. Allocated memory is still 155.2 MB. Free memory was 122.9 MB in the beginning and 121.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 13:12:40,142 INFO L168 Benchmark]: Boogie Preprocessor took 63.04 ms. Allocated memory is still 155.2 MB. Free memory was 121.0 MB in the beginning and 119.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 13:12:40,143 INFO L168 Benchmark]: RCFGBuilder took 653.25 ms. Allocated memory is still 155.2 MB. Free memory was 119.3 MB in the beginning and 128.7 MB in the end (delta: -9.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 8.0 GB. [2020-11-09 13:12:40,144 INFO L168 Benchmark]: TraceAbstraction took 9788.68 ms. Allocated memory was 155.2 MB in the beginning and 186.6 MB in the end (delta: 31.5 MB). Free memory was 128.2 MB in the beginning and 62.4 MB in the end (delta: 65.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 8.0 GB. [2020-11-09 13:12:40,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 125.8 MB. Free memory was 98.9 MB in the beginning and 98.7 MB in the end (delta: 120.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 748.57 ms. Allocated memory is still 155.2 MB. Free memory was 128.7 MB in the beginning and 122.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 19.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 93.01 ms. Allocated memory is still 155.2 MB. Free memory was 122.9 MB in the beginning and 121.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 63.04 ms. Allocated memory is still 155.2 MB. Free memory was 121.0 MB in the beginning and 119.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 653.25 ms. Allocated memory is still 155.2 MB. Free memory was 119.3 MB in the beginning and 128.7 MB in the end (delta: -9.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9788.68 ms. Allocated memory was 155.2 MB in the beginning and 186.6 MB in the end (delta: 31.5 MB). Free memory was 128.2 MB in the beginning and 62.4 MB in the end (delta: 65.8 MB). Peak memory consumption was 97.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1080 VarBasedMoverChecksPositive, 99 VarBasedMoverChecksNegative, 56 SemBasedMoverChecksPositive, 43 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 42 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.8s, 94 PlacesBefore, 25 PlacesAfterwards, 100 TransitionsBefore, 30 TransitionsAfterwards, 1650 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 90 TotalNumberOfCompositions, 2937 MoverChecksTotal - CounterExampleResult [Line: 683]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L689] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L690] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L691] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L700] 0 pthread_t id; [L701] 0 int i = 0; [L702] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={11:0}, arg={5:0}, mutex1={10:0}, mutex2={7:0}] [L693] 1 int *p = (int *) arg; [L695] EXPR 1 \read(*p) [L695] 1 (*p)++ VAL [\read(*p)=0, __global_lock={11:0}, arg={5:0}, arg={5:0}, mutex1={10:0}, mutex2={7:0}, p={5:0}] [L704] 0 \read(i) [L684] COND TRUE 0 !(cond) [L683] COND FALSE 0 !(0) [L683] 0 __assert_fail ("0", "racemacros.h", 9, __extension__ __PRETTY_FUNCTION__) VAL [__global_lock={11:0}, arg={5:0}, arg={5:0}, mutex1={10:0}, mutex2={7:0}, p={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.9s, HoareTripleCheckerStatistics: 27 SDtfs, 25 SDslu, 12 SDs, 0 SdLazy, 38 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...