/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --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/10-synch_03-two_unique.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 12:58:39,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 12:58:39,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 12:58:39,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 12:58:39,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 12:58:39,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 12:58:39,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 12:58:39,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 12:58:39,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 12:58:39,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 12:58:39,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 12:58:39,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 12:58:39,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 12:58:39,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 12:58:39,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 12:58:39,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 12:58:39,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 12:58:39,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 12:58:39,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 12:58:39,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 12:58:39,109 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-15 12:58:39,131 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 12:58:39,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 12:58:39,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 12:58:39,131 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 12:58:39,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 12:58:39,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 12:58:39,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 12:58:39,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 12:58:39,133 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 12:58:39,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 12:58:39,133 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 12:58:39,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 12:58:39,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 12:58:39,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 12:58:39,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 12:58:39,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 12:58:39,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 12:58:39,134 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 12:58:39,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 12:58:39,134 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 12:58:39,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 12:58:39,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 12:58:39,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 12:58:39,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 12:58:39,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 12:58:39,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 12:58:39,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 12:58:39,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 12:58:39,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 12:58:39,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 12:58:39,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 12:58:39,136 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 12:58:39,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 12:58:39,137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-15 12:58:39,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 12:58:39,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 12:58:39,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 12:58:39,362 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 12:58:39,363 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 12:58:39,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/10-synch_03-two_unique.i [2022-02-15 12:58:39,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6db013d0/38103cff3a944d86a9d00722ac38d8da/FLAGba45f5810 [2022-02-15 12:58:39,759 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 12:58:39,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/10-synch_03-two_unique.i [2022-02-15 12:58:39,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6db013d0/38103cff3a944d86a9d00722ac38d8da/FLAGba45f5810 [2022-02-15 12:58:40,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6db013d0/38103cff3a944d86a9d00722ac38d8da [2022-02-15 12:58:40,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 12:58:40,158 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 12:58:40,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 12:58:40,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 12:58:40,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 12:58:40,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:58:40" (1/1) ... [2022-02-15 12:58:40,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5b6ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:58:40, skipping insertion in model container [2022-02-15 12:58:40,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 12:58:40" (1/1) ... [2022-02-15 12:58:40,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 12:58:40,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 12:58:40,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 12:58:40,477 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 12:58:40,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 12:58:40,528 INFO L208 MainTranslator]: Completed translation [2022-02-15 12:58:40,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:58:40 WrapperNode [2022-02-15 12:58:40,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 12:58:40,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 12:58:40,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 12:58:40,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 12:58:40,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:58:40" (1/1) ... [2022-02-15 12:58:40,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:58:40" (1/1) ... [2022-02-15 12:58:40,571 INFO L137 Inliner]: procedures = 260, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2022-02-15 12:58:40,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 12:58:40,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 12:58:40,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 12:58:40,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 12:58:40,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:58:40" (1/1) ... [2022-02-15 12:58:40,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:58:40" (1/1) ... [2022-02-15 12:58:40,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:58:40" (1/1) ... [2022-02-15 12:58:40,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:58:40" (1/1) ... [2022-02-15 12:58:40,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:58:40" (1/1) ... [2022-02-15 12:58:40,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:58:40" (1/1) ... [2022-02-15 12:58:40,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:58:40" (1/1) ... [2022-02-15 12:58:40,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 12:58:40,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 12:58:40,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 12:58:40,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 12:58:40,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:58:40" (1/1) ... [2022-02-15 12:58:40,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 12:58:40,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 12:58:40,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 12:58:40,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 12:58:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-02-15 12:58:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-02-15 12:58:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-02-15 12:58:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-02-15 12:58:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 12:58:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 12:58:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 12:58:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 12:58:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 12:58:40,666 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 12:58:40,748 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 12:58:40,749 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 12:58:40,832 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 12:58:40,851 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 12:58:40,851 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 12:58:40,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:58:40 BoogieIcfgContainer [2022-02-15 12:58:40,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 12:58:40,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 12:58:40,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 12:58:40,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 12:58:40,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 12:58:40" (1/3) ... [2022-02-15 12:58:40,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565c2679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:58:40, skipping insertion in model container [2022-02-15 12:58:40,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 12:58:40" (2/3) ... [2022-02-15 12:58:40,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565c2679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 12:58:40, skipping insertion in model container [2022-02-15 12:58:40,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 12:58:40" (3/3) ... [2022-02-15 12:58:40,859 INFO L111 eAbstractionObserver]: Analyzing ICFG 10-synch_03-two_unique.i [2022-02-15 12:58:40,862 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 12:58:40,862 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 12:58:40,862 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-15 12:58:40,862 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 12:58:40,899 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,900 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,900 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,900 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,900 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,900 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,900 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,901 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,901 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,901 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,901 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,901 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,901 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,901 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,901 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,902 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,902 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,902 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,902 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,902 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,902 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,902 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,903 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,903 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,903 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,903 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,903 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,903 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,903 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,903 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,903 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,904 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,904 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,904 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,904 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,904 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,904 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,904 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,904 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,904 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,905 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,905 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,905 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,905 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,907 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,907 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,907 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,907 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,908 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,910 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,910 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,910 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,910 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,910 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 12:58:40,911 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-15 12:58:40,938 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 12:58:40,942 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 12:58:40,942 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-15 12:58:40,948 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 52 transitions, 114 flow [2022-02-15 12:58:41,016 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1000 states, 997 states have (on average 2.6058174523570714) internal successors, (2598), 999 states have internal predecessors, (2598), 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) [2022-02-15 12:58:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 1000 states, 997 states have (on average 2.6058174523570714) internal successors, (2598), 999 states have internal predecessors, (2598), 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) [2022-02-15 12:58:41,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-15 12:58:41,025 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:58:41,026 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:58:41,026 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONDATA_RACE, f2Err0ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-02-15 12:58:41,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:58:41,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1085993499, now seen corresponding path program 1 times [2022-02-15 12:58:41,035 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:58:41,035 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468183720] [2022-02-15 12:58:41,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:58:41,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:58:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:58:41,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:58:41,217 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:58:41,217 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468183720] [2022-02-15 12:58:41,218 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468183720] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:58:41,218 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:58:41,218 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 12:58:41,219 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606764415] [2022-02-15 12:58:41,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:58:41,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 12:58:41,222 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:58:41,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 12:58:41,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:58:41,246 INFO L87 Difference]: Start difference. First operand has 1000 states, 997 states have (on average 2.6058174523570714) internal successors, (2598), 999 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-02-15 12:58:41,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:58:41,297 INFO L93 Difference]: Finished difference Result 884 states and 2277 transitions. [2022-02-15 12:58:41,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 12:58:41,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-02-15 12:58:41,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:58:41,316 INFO L225 Difference]: With dead ends: 884 [2022-02-15 12:58:41,316 INFO L226 Difference]: Without dead ends: 664 [2022-02-15 12:58:41,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:58:41,321 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 26 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 12:58:41,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 113 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:58:41,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2022-02-15 12:58:41,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 664. [2022-02-15 12:58:41,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 663 states have (on average 2.535444947209653) internal successors, (1681), 663 states have internal predecessors, (1681), 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) [2022-02-15 12:58:41,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 1681 transitions. [2022-02-15 12:58:41,396 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 1681 transitions. Word has length 21 [2022-02-15 12:58:41,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:58:41,396 INFO L470 AbstractCegarLoop]: Abstraction has 664 states and 1681 transitions. [2022-02-15 12:58:41,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-02-15 12:58:41,396 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1681 transitions. [2022-02-15 12:58:41,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-15 12:58:41,398 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 12:58:41,398 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 12:58:41,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 12:58:41,398 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONDATA_RACE, f2Err0ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2022-02-15 12:58:41,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 12:58:41,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1599589067, now seen corresponding path program 1 times [2022-02-15 12:58:41,400 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 12:58:41,401 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129432625] [2022-02-15 12:58:41,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 12:58:41,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 12:58:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 12:58:41,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 12:58:41,450 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 12:58:41,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129432625] [2022-02-15 12:58:41,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129432625] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 12:58:41,451 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 12:58:41,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 12:58:41,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333650470] [2022-02-15 12:58:41,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 12:58:41,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 12:58:41,452 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 12:58:41,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 12:58:41,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:58:41,452 INFO L87 Difference]: Start difference. First operand 664 states and 1681 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 12:58:41,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 12:58:41,462 INFO L93 Difference]: Finished difference Result 565 states and 1404 transitions. [2022-02-15 12:58:41,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 12:58:41,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-02-15 12:58:41,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 12:58:41,464 INFO L225 Difference]: With dead ends: 565 [2022-02-15 12:58:41,464 INFO L226 Difference]: Without dead ends: 0 [2022-02-15 12:58:41,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 12:58:41,467 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 18 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 12:58:41,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 100 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 12:58:41,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-15 12:58:41,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-15 12:58:41,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-02-15 12:58:41,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-15 12:58:41,468 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-02-15 12:58:41,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 12:58:41,468 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-15 12:58:41,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 12:58:41,468 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-15 12:58:41,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-15 12:58:41,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 6 remaining) [2022-02-15 12:58:41,470 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (4 of 6 remaining) [2022-02-15 12:58:41,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-02-15 12:58:41,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2022-02-15 12:58:41,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-02-15 12:58:41,471 INFO L764 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-02-15 12:58:41,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 12:58:41,473 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-15 12:58:41,478 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 12:58:41,478 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 12:58:41,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 12:58:41 BasicIcfg [2022-02-15 12:58:41,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 12:58:41,482 INFO L158 Benchmark]: Toolchain (without parser) took 1323.95ms. Allocated memory was 163.6MB in the beginning and 200.3MB in the end (delta: 36.7MB). Free memory was 103.5MB in the beginning and 88.7MB in the end (delta: 14.9MB). Peak memory consumption was 51.9MB. Max. memory is 8.0GB. [2022-02-15 12:58:41,482 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 163.6MB. Free memory was 121.8MB in the beginning and 121.7MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 12:58:41,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.96ms. Allocated memory was 163.6MB in the beginning and 200.3MB in the end (delta: 36.7MB). Free memory was 103.3MB in the beginning and 156.8MB in the end (delta: -53.5MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. [2022-02-15 12:58:41,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.09ms. Allocated memory is still 200.3MB. Free memory was 156.8MB in the beginning and 154.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 12:58:41,483 INFO L158 Benchmark]: Boogie Preprocessor took 25.88ms. Allocated memory is still 200.3MB. Free memory was 154.7MB in the beginning and 153.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 12:58:41,483 INFO L158 Benchmark]: RCFGBuilder took 254.78ms. Allocated memory is still 200.3MB. Free memory was 153.7MB in the beginning and 141.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-15 12:58:41,483 INFO L158 Benchmark]: TraceAbstraction took 627.32ms. Allocated memory is still 200.3MB. Free memory was 141.1MB in the beginning and 88.7MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2022-02-15 12:58:41,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 163.6MB. Free memory was 121.8MB in the beginning and 121.7MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 368.96ms. Allocated memory was 163.6MB in the beginning and 200.3MB in the end (delta: 36.7MB). Free memory was 103.3MB in the beginning and 156.8MB in the end (delta: -53.5MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.09ms. Allocated memory is still 200.3MB. Free memory was 156.8MB in the beginning and 154.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.88ms. Allocated memory is still 200.3MB. Free memory was 154.7MB in the beginning and 153.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 254.78ms. Allocated memory is still 200.3MB. Free memory was 153.7MB in the beginning and 141.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 627.32ms. Allocated memory is still 200.3MB. Free memory was 141.1MB in the beginning and 88.7MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 920]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: 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 5 procedures, 75 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 213 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 85 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 130 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1000occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-15 12:58:41,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...