/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-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_04-fld_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:47:56,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-19 14:47:56,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-19 14:47:56,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-19 14:47:56,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-19 14:47:56,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-19 14:47:56,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-19 14:47:56,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-19 14:47:56,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-19 14:47:56,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-19 14:47:56,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-19 14:47:56,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-19 14:47:56,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-19 14:47:56,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-19 14:47:56,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-19 14:47:56,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-19 14:47:56,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-19 14:47:56,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-19 14:47:56,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-19 14:47:56,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-19 14:47:56,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-10-19 14:47:56,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:47:56,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:47:56,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:47:56,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:47:56,498 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:47:56,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:47:56,498 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:47:56,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:47:56,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:47:56,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:47:56,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:47:56,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:47:56,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:47:56,500 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:47:56,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:47:56,500 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:47:56,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:47:56,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:47:56,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:47:56,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:47:56,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:47:56,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:47:56,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:47:56,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:47:56,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:47:56,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:47:56,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:47:56,501 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:47:56,502 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-19 14:47:56,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:47:56,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:47:56,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:47:56,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:47:56,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:47:56,718 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:47:56,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_04-fld_nr.i [2021-10-19 14:47:56,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044a5d6a8/b0638462827c425f9dfe46a8128377f4/FLAG3b41625c9 [2021-10-19 14:47:57,220 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:47:57,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_04-fld_nr.i [2021-10-19 14:47:57,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044a5d6a8/b0638462827c425f9dfe46a8128377f4/FLAG3b41625c9 [2021-10-19 14:47:57,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044a5d6a8/b0638462827c425f9dfe46a8128377f4 [2021-10-19 14:47:57,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:47:57,239 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:47:57,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:47:57,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:47:57,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:47:57,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:47:57" (1/1) ... [2021-10-19 14:47:57,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fadebb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:47:57, skipping insertion in model container [2021-10-19 14:47:57,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:47:57" (1/1) ... [2021-10-19 14:47:57,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:47:57,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:47:57,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:47:57,535 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:47:57,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:47:57,611 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:47:57,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:47:57 WrapperNode [2021-10-19 14:47:57,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:47:57,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:47:57,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:47:57,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:47:57,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:47:57" (1/1) ... [2021-10-19 14:47:57,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:47:57" (1/1) ... [2021-10-19 14:47:57,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:47:57,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:47:57,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:47:57,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:47:57,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:47:57" (1/1) ... [2021-10-19 14:47:57,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:47:57" (1/1) ... [2021-10-19 14:47:57,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:47:57" (1/1) ... [2021-10-19 14:47:57,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:47:57" (1/1) ... [2021-10-19 14:47:57,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:47:57" (1/1) ... [2021-10-19 14:47:57,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:47:57" (1/1) ... [2021-10-19 14:47:57,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:47:57" (1/1) ... [2021-10-19 14:47:57,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:47:57,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:47:57,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:47:57,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:47:57,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:47:57" (1/1) ... [2021-10-19 14:47:57,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:47:57,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:47:57,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-19 14:47:57,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-19 14:47:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:47:57,769 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-19 14:47:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:47:57,770 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-19 14:47:57,770 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-19 14:47:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:47:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:47:57,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:47:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:47:57,773 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-19 14:47:58,026 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:47:58,026 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-19 14:47:58,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:47:58 BoogieIcfgContainer [2021-10-19 14:47:58,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:47:58,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:47:58,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:47:58,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:47:58,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:47:57" (1/3) ... [2021-10-19 14:47:58,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79bdaea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:47:58, skipping insertion in model container [2021-10-19 14:47:58,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:47:57" (2/3) ... [2021-10-19 14:47:58,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79bdaea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:47:58, skipping insertion in model container [2021-10-19 14:47:58,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:47:58" (3/3) ... [2021-10-19 14:47:58,033 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_04-fld_nr.i [2021-10-19 14:47:58,037 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:47:58,037 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-19 14:47:58,037 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:47:58,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,057 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,057 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,058 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,058 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,063 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,063 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:47:58,070 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-19 14:47:58,099 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:47:58,103 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-19 14:47:58,103 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-19 14:47:58,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 63 transitions, 131 flow [2021-10-19 14:47:58,130 INFO L129 PetriNetUnfolder]: 0/62 cut-off events. [2021-10-19 14:47:58,130 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:47:58,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 62 events. 0/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-10-19 14:47:58,132 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 63 transitions, 131 flow [2021-10-19 14:47:58,140 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 62 transitions, 127 flow [2021-10-19 14:47:58,146 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-10-19 14:47:58,146 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:47:58,146 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:47:58,147 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:47:58,147 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-19 14:47:58,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:47:58,150 INFO L82 PathProgramCache]: Analyzing trace with hash -544417527, now seen corresponding path program 1 times [2021-10-19 14:47:58,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:47:58,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330584161] [2021-10-19 14:47:58,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:47:58,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:47:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:47:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:47:58,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:47:58,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330584161] [2021-10-19 14:47:58,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330584161] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:47:58,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:47:58,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:47:58,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069865568] [2021-10-19 14:47:58,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:47:58,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:47:58,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:47:58,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:47:58,301 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 63 [2021-10-19 14:47:58,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 62 transitions, 127 flow. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2021-10-19 14:47:58,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:47:58,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 63 [2021-10-19 14:47:58,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:47:58,355 INFO L129 PetriNetUnfolder]: 37/222 cut-off events. [2021-10-19 14:47:58,356 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-19 14:47:58,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 222 events. 37/222 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 930 event pairs, 15 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 288. Up to 53 conditions per place. [2021-10-19 14:47:58,359 INFO L132 encePairwiseOnDemand]: 55/63 looper letters, 16 selfloop transitions, 6 changer transitions 0/72 dead transitions. [2021-10-19 14:47:58,359 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 72 transitions, 191 flow [2021-10-19 14:47:58,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:47:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:47:58,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 177 transitions. [2021-10-19 14:47:58,368 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9365079365079365 [2021-10-19 14:47:58,368 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 177 transitions. [2021-10-19 14:47:58,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 177 transitions. [2021-10-19 14:47:58,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:47:58,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 177 transitions. [2021-10-19 14:47:58,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2021-10-19 14:47:58,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 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) [2021-10-19 14:47:58,376 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 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) [2021-10-19 14:47:58,377 INFO L186 Difference]: Start difference. First operand has 66 places, 62 transitions, 127 flow. Second operand 3 states and 177 transitions. [2021-10-19 14:47:58,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 72 transitions, 191 flow [2021-10-19 14:47:58,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 72 transitions, 190 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-19 14:47:58,382 INFO L242 Difference]: Finished difference. Result has 69 places, 68 transitions, 178 flow [2021-10-19 14:47:58,383 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=69, PETRI_TRANSITIONS=68} [2021-10-19 14:47:58,384 INFO L334 CegarLoopForPetriNet]: 66 programPoint places, 3 predicate places. [2021-10-19 14:47:58,384 INFO L470 AbstractCegarLoop]: Abstraction has has 69 places, 68 transitions, 178 flow [2021-10-19 14:47:58,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2021-10-19 14:47:58,384 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:47:58,384 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:47:58,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:47:58,385 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-19 14:47:58,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:47:58,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1545984252, now seen corresponding path program 1 times [2021-10-19 14:47:58,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:47:58,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169882555] [2021-10-19 14:47:58,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:47:58,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:47:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:47:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:47:58,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:47:58,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169882555] [2021-10-19 14:47:58,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169882555] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:47:58,430 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:47:58,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:47:58,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895813912] [2021-10-19 14:47:58,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:47:58,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:47:58,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:47:58,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:47:58,433 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 63 [2021-10-19 14:47:58,433 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 68 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2021-10-19 14:47:58,433 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:47:58,433 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 63 [2021-10-19 14:47:58,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:47:58,505 INFO L129 PetriNetUnfolder]: 55/297 cut-off events. [2021-10-19 14:47:58,505 INFO L130 PetriNetUnfolder]: For 85/88 co-relation queries the response was YES. [2021-10-19 14:47:58,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 527 conditions, 297 events. 55/297 cut-off events. For 85/88 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1483 event pairs, 23 based on Foata normal form. 2/275 useless extension candidates. Maximal degree in co-relation 496. Up to 102 conditions per place. [2021-10-19 14:47:58,509 INFO L132 encePairwiseOnDemand]: 57/63 looper letters, 23 selfloop transitions, 7 changer transitions 1/78 dead transitions. [2021-10-19 14:47:58,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 78 transitions, 278 flow [2021-10-19 14:47:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:47:58,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:47:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2021-10-19 14:47:58,514 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-10-19 14:47:58,514 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 168 transitions. [2021-10-19 14:47:58,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 168 transitions. [2021-10-19 14:47:58,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:47:58,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 168 transitions. [2021-10-19 14:47:58,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2021-10-19 14:47:58,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 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) [2021-10-19 14:47:58,517 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 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) [2021-10-19 14:47:58,517 INFO L186 Difference]: Start difference. First operand has 69 places, 68 transitions, 178 flow. Second operand 3 states and 168 transitions. [2021-10-19 14:47:58,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 78 transitions, 278 flow [2021-10-19 14:47:58,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 78 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:47:58,519 INFO L242 Difference]: Finished difference. Result has 71 places, 73 transitions, 222 flow [2021-10-19 14:47:58,520 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=71, PETRI_TRANSITIONS=73} [2021-10-19 14:47:58,520 INFO L334 CegarLoopForPetriNet]: 66 programPoint places, 5 predicate places. [2021-10-19 14:47:58,520 INFO L470 AbstractCegarLoop]: Abstraction has has 71 places, 73 transitions, 222 flow [2021-10-19 14:47:58,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2021-10-19 14:47:58,521 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:47:58,521 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:47:58,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:47:58,521 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-19 14:47:58,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:47:58,521 INFO L82 PathProgramCache]: Analyzing trace with hash 2079244551, now seen corresponding path program 1 times [2021-10-19 14:47:58,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:47:58,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160196300] [2021-10-19 14:47:58,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:47:58,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:47:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:47:58,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:47:58,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:47:58,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160196300] [2021-10-19 14:47:58,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160196300] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:47:58,563 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:47:58,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:47:58,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690067737] [2021-10-19 14:47:58,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:47:58,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:47:58,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:47:58,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:47:58,565 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 63 [2021-10-19 14:47:58,565 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 73 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2021-10-19 14:47:58,565 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:47:58,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 63 [2021-10-19 14:47:58,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:47:58,647 INFO L129 PetriNetUnfolder]: 57/290 cut-off events. [2021-10-19 14:47:58,647 INFO L130 PetriNetUnfolder]: For 145/147 co-relation queries the response was YES. [2021-10-19 14:47:58,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 290 events. 57/290 cut-off events. For 145/147 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1433 event pairs, 17 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 568. Up to 100 conditions per place. [2021-10-19 14:47:58,650 INFO L132 encePairwiseOnDemand]: 57/63 looper letters, 20 selfloop transitions, 7 changer transitions 10/84 dead transitions. [2021-10-19 14:47:58,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 84 transitions, 344 flow [2021-10-19 14:47:58,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:47:58,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:47:58,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2021-10-19 14:47:58,652 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-10-19 14:47:58,652 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 168 transitions. [2021-10-19 14:47:58,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 168 transitions. [2021-10-19 14:47:58,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:47:58,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 168 transitions. [2021-10-19 14:47:58,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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) [2021-10-19 14:47:58,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 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) [2021-10-19 14:47:58,655 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 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) [2021-10-19 14:47:58,655 INFO L186 Difference]: Start difference. First operand has 71 places, 73 transitions, 222 flow. Second operand 3 states and 168 transitions. [2021-10-19 14:47:58,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 84 transitions, 344 flow [2021-10-19 14:47:58,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 84 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-19 14:47:58,663 INFO L242 Difference]: Finished difference. Result has 73 places, 72 transitions, 240 flow [2021-10-19 14:47:58,663 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=73, PETRI_TRANSITIONS=72} [2021-10-19 14:47:58,664 INFO L334 CegarLoopForPetriNet]: 66 programPoint places, 7 predicate places. [2021-10-19 14:47:58,664 INFO L470 AbstractCegarLoop]: Abstraction has has 73 places, 72 transitions, 240 flow [2021-10-19 14:47:58,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2021-10-19 14:47:58,664 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-19 14:47:58,664 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:47:58,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:47:58,665 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-19 14:47:58,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:47:58,667 INFO L82 PathProgramCache]: Analyzing trace with hash -372868274, now seen corresponding path program 1 times [2021-10-19 14:47:58,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:47:58,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551325548] [2021-10-19 14:47:58,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:47:58,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:47:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:47:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:47:58,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:47:58,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551325548] [2021-10-19 14:47:58,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551325548] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:47:58,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:47:58,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-19 14:47:58,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802089986] [2021-10-19 14:47:58,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:47:58,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:47:58,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:47:58,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:47:58,756 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 63 [2021-10-19 14:47:58,756 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 72 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2021-10-19 14:47:58,756 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-19 14:47:58,756 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 63 [2021-10-19 14:47:58,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-19 14:47:58,782 INFO L129 PetriNetUnfolder]: 1/84 cut-off events. [2021-10-19 14:47:58,782 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2021-10-19 14:47:58,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 84 events. 1/84 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 1 based on Foata normal form. 2/86 useless extension candidates. Maximal degree in co-relation 104. Up to 18 conditions per place. [2021-10-19 14:47:58,785 INFO L132 encePairwiseOnDemand]: 59/63 looper letters, 0 selfloop transitions, 0 changer transitions 58/58 dead transitions. [2021-10-19 14:47:58,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 58 transitions, 188 flow [2021-10-19 14:47:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:47:58,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-19 14:47:58,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 157 transitions. [2021-10-19 14:47:58,792 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8306878306878307 [2021-10-19 14:47:58,792 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 157 transitions. [2021-10-19 14:47:58,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 157 transitions. [2021-10-19 14:47:58,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-19 14:47:58,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 157 transitions. [2021-10-19 14:47:58,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2021-10-19 14:47:58,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 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) [2021-10-19 14:47:58,794 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 63.0) internal successors, (252), 4 states have internal predecessors, (252), 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) [2021-10-19 14:47:58,794 INFO L186 Difference]: Start difference. First operand has 73 places, 72 transitions, 240 flow. Second operand 3 states and 157 transitions. [2021-10-19 14:47:58,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 58 transitions, 188 flow [2021-10-19 14:47:58,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 58 transitions, 152 flow, removed 8 selfloop flow, removed 8 redundant places. [2021-10-19 14:47:58,796 INFO L242 Difference]: Finished difference. Result has 63 places, 0 transitions, 0 flow [2021-10-19 14:47:58,796 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=63, PETRI_TRANSITIONS=0} [2021-10-19 14:47:58,796 INFO L334 CegarLoopForPetriNet]: 66 programPoint places, -3 predicate places. [2021-10-19 14:47:58,796 INFO L470 AbstractCegarLoop]: Abstraction has has 63 places, 0 transitions, 0 flow [2021-10-19 14:47:58,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2021-10-19 14:47:58,798 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:47:58,798 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:47:58,799 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:47:58,799 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:47:58,799 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:47:58,799 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:47:58,799 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:47:58,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:47:58,804 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:47:58,804 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:47:58,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:47:58 BasicIcfg [2021-10-19 14:47:58,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:47:58,808 INFO L168 Benchmark]: Toolchain (without parser) took 1567.24 ms. Allocated memory is still 195.0 MB. Free memory was 143.2 MB in the beginning and 67.5 MB in the end (delta: 75.7 MB). Peak memory consumption was 74.3 MB. Max. memory is 8.0 GB. [2021-10-19 14:47:58,809 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 195.0 MB. Free memory is still 161.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:47:58,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.18 ms. Allocated memory is still 195.0 MB. Free memory was 143.0 MB in the beginning and 162.9 MB in the end (delta: -19.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-19 14:47:58,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.62 ms. Allocated memory is still 195.0 MB. Free memory was 162.9 MB in the beginning and 161.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:47:58,810 INFO L168 Benchmark]: Boogie Preprocessor took 20.58 ms. Allocated memory is still 195.0 MB. Free memory was 161.2 MB in the beginning and 159.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:47:58,812 INFO L168 Benchmark]: RCFGBuilder took 349.54 ms. Allocated memory is still 195.0 MB. Free memory was 159.8 MB in the beginning and 148.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-19 14:47:58,812 INFO L168 Benchmark]: TraceAbstraction took 777.45 ms. Allocated memory is still 195.0 MB. Free memory was 148.2 MB in the beginning and 67.5 MB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. [2021-10-19 14:47:58,816 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 195.0 MB. Free memory is still 161.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 369.18 ms. Allocated memory is still 195.0 MB. Free memory was 143.0 MB in the beginning and 162.9 MB in the end (delta: -19.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.62 ms. Allocated memory is still 195.0 MB. Free memory was 162.9 MB in the beginning and 161.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.58 ms. Allocated memory is still 195.0 MB. Free memory was 161.2 MB in the beginning and 159.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 349.54 ms. Allocated memory is still 195.0 MB. Free memory was 159.8 MB in the beginning and 148.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 777.45 ms. Allocated memory is still 195.0 MB. Free memory was 148.2 MB in the beginning and 67.5 MB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 679]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 679]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 83 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 705.4ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 319.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 36.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 57 SDtfs, 16 SDslu, 0 SDs, 0 SdLazy, 71 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 62.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.0ms SsaConstructionTime, 43.3ms SatisfiabilityAnalysisTime, 149.8ms InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-19 14:47:58,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...