/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/05-lval_ls_15-fldunknown_access.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 01:58:20,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 01:58:20,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 01:58:20,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 01:58:20,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 01:58:20,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 01:58:20,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 01:58:20,561 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 [2022-02-09 01:58:20,584 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 01:58:20,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 01:58:20,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 01:58:20,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 01:58:20,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 01:58:20,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 01:58:20,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 01:58:20,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 01:58:20,586 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 01:58:20,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 01:58:20,586 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 01:58:20,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 01:58:20,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 01:58:20,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 01:58:20,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 01:58:20,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 01:58:20,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 01:58:20,587 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 01:58:20,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 01:58:20,587 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 01:58:20,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 01:58:20,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 01:58:20,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 01:58:20,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 01:58:20,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 01:58:20,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 01:58:20,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 01:58:20,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 01:58:20,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 01:58:20,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 01:58:20,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 01:58:20,589 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 01:58:20,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 01:58:20,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-09 01:58:20,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 01:58:20,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 01:58:20,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 01:58:20,813 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 01:58:20,814 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 01:58:20,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_15-fldunknown_access.i [2022-02-09 01:58:20,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc1fb0ae8/852314951b484b57b76856a908848df4/FLAG6830a5789 [2022-02-09 01:58:21,326 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 01:58:21,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_15-fldunknown_access.i [2022-02-09 01:58:21,343 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc1fb0ae8/852314951b484b57b76856a908848df4/FLAG6830a5789 [2022-02-09 01:58:21,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc1fb0ae8/852314951b484b57b76856a908848df4 [2022-02-09 01:58:21,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 01:58:21,363 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 01:58:21,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 01:58:21,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 01:58:21,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 01:58:21,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 01:58:21" (1/1) ... [2022-02-09 01:58:21,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d448f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:21, skipping insertion in model container [2022-02-09 01:58:21,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 01:58:21" (1/1) ... [2022-02-09 01:58:21,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 01:58:21,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 01:58:21,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 01:58:21,787 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 01:58:21,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 01:58:21,865 INFO L208 MainTranslator]: Completed translation [2022-02-09 01:58:21,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:21 WrapperNode [2022-02-09 01:58:21,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 01:58:21,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 01:58:21,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 01:58:21,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 01:58:21,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:21" (1/1) ... [2022-02-09 01:58:21,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:21" (1/1) ... [2022-02-09 01:58:21,929 INFO L137 Inliner]: procedures = 262, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-02-09 01:58:21,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 01:58:21,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 01:58:21,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 01:58:21,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 01:58:21,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:21" (1/1) ... [2022-02-09 01:58:21,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:21" (1/1) ... [2022-02-09 01:58:21,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:21" (1/1) ... [2022-02-09 01:58:21,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:21" (1/1) ... [2022-02-09 01:58:21,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:21" (1/1) ... [2022-02-09 01:58:21,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:21" (1/1) ... [2022-02-09 01:58:21,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:21" (1/1) ... [2022-02-09 01:58:21,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 01:58:21,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 01:58:21,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 01:58:21,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 01:58:21,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:21" (1/1) ... [2022-02-09 01:58:21,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 01:58:21,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 01:58:21,993 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) [2022-02-09 01:58:21,994 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 [2022-02-09 01:58:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 01:58:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 01:58:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 01:58:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 01:58:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 01:58:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 01:58:22,032 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 01:58:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 01:58:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 01:58:22,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 01:58:22,033 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 01:58:22,169 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 01:58:22,170 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 01:58:22,378 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 01:58:22,383 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 01:58:22,383 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 01:58:22,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 01:58:22 BoogieIcfgContainer [2022-02-09 01:58:22,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 01:58:22,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 01:58:22,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 01:58:22,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 01:58:22,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 01:58:21" (1/3) ... [2022-02-09 01:58:22,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f772fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 01:58:22, skipping insertion in model container [2022-02-09 01:58:22,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 01:58:21" (2/3) ... [2022-02-09 01:58:22,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f772fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 01:58:22, skipping insertion in model container [2022-02-09 01:58:22,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 01:58:22" (3/3) ... [2022-02-09 01:58:22,390 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_15-fldunknown_access.i [2022-02-09 01:58:22,394 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 01:58:22,394 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 01:58:22,394 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-09 01:58:22,394 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 01:58:22,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,417 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,417 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,418 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,418 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,420 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,421 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,424 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,432 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,433 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 01:58:22,438 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 01:58:22,476 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 01:58:22,481 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 [2022-02-09 01:58:22,482 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-09 01:58:22,492 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 78 places, 75 transitions, 155 flow [2022-02-09 01:58:22,555 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 608 states, 600 states have (on average 1.9033333333333333) internal successors, (1142), 607 states have internal predecessors, (1142), 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) [2022-02-09 01:58:22,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 608 states, 600 states have (on average 1.9033333333333333) internal successors, (1142), 607 states have internal predecessors, (1142), 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) [2022-02-09 01:58:22,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-09 01:58:22,567 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:22,567 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, 1, 1, 1] [2022-02-09 01:58:22,568 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:22,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:22,573 INFO L85 PathProgramCache]: Analyzing trace with hash 2133241789, now seen corresponding path program 1 times [2022-02-09 01:58:22,581 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:22,582 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904231499] [2022-02-09 01:58:22,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:22,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:22,858 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:22,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904231499] [2022-02-09 01:58:22,859 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904231499] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:22,859 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:22,859 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 01:58:22,860 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380758048] [2022-02-09 01:58:22,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:22,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 01:58:22,864 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:22,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 01:58:22,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:22,892 INFO L87 Difference]: Start difference. First operand has 608 states, 600 states have (on average 1.9033333333333333) internal successors, (1142), 607 states have internal predecessors, (1142), 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 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2022-02-09 01:58:23,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:23,123 INFO L93 Difference]: Finished difference Result 715 states and 1348 transitions. [2022-02-09 01:58:23,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 01:58:23,126 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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 30 [2022-02-09 01:58:23,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:23,146 INFO L225 Difference]: With dead ends: 715 [2022-02-09 01:58:23,147 INFO L226 Difference]: Without dead ends: 715 [2022-02-09 01:58:23,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:23,154 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 84 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:23,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 259 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 01:58:23,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2022-02-09 01:58:23,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 655. [2022-02-09 01:58:23,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 648 states have (on average 1.9012345679012346) internal successors, (1232), 654 states have internal predecessors, (1232), 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) [2022-02-09 01:58:23,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 1232 transitions. [2022-02-09 01:58:23,207 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 1232 transitions. Word has length 30 [2022-02-09 01:58:23,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:23,208 INFO L470 AbstractCegarLoop]: Abstraction has 655 states and 1232 transitions. [2022-02-09 01:58:23,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2022-02-09 01:58:23,208 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1232 transitions. [2022-02-09 01:58:23,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-09 01:58:23,208 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:23,209 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, 1, 1, 1, 1] [2022-02-09 01:58:23,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 01:58:23,209 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:23,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:23,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1518028846, now seen corresponding path program 1 times [2022-02-09 01:58:23,210 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:23,210 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756468059] [2022-02-09 01:58:23,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:23,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:23,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:23,296 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:23,297 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756468059] [2022-02-09 01:58:23,297 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756468059] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:23,297 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:23,297 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 01:58:23,297 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344079292] [2022-02-09 01:58:23,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:23,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 01:58:23,299 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:23,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 01:58:23,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:23,300 INFO L87 Difference]: Start difference. First operand 655 states and 1232 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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) [2022-02-09 01:58:23,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:23,500 INFO L93 Difference]: Finished difference Result 732 states and 1378 transitions. [2022-02-09 01:58:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 01:58:23,501 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 31 [2022-02-09 01:58:23,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:23,504 INFO L225 Difference]: With dead ends: 732 [2022-02-09 01:58:23,505 INFO L226 Difference]: Without dead ends: 732 [2022-02-09 01:58:23,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:23,509 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 56 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:23,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 286 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 01:58:23,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2022-02-09 01:58:23,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 688. [2022-02-09 01:58:23,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 681 states have (on average 1.9001468428781203) internal successors, (1294), 687 states have internal predecessors, (1294), 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) [2022-02-09 01:58:23,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1294 transitions. [2022-02-09 01:58:23,540 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1294 transitions. Word has length 31 [2022-02-09 01:58:23,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:23,540 INFO L470 AbstractCegarLoop]: Abstraction has 688 states and 1294 transitions. [2022-02-09 01:58:23,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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) [2022-02-09 01:58:23,540 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1294 transitions. [2022-02-09 01:58:23,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-09 01:58:23,545 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:23,569 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:23,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 01:58:23,569 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:23,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:23,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1478892226, now seen corresponding path program 1 times [2022-02-09 01:58:23,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:23,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069156322] [2022-02-09 01:58:23,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:23,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:23,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:23,662 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:23,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069156322] [2022-02-09 01:58:23,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069156322] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:23,663 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:23,663 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 01:58:23,663 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135461033] [2022-02-09 01:58:23,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:23,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 01:58:23,664 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:23,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 01:58:23,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:23,664 INFO L87 Difference]: Start difference. First operand 688 states and 1294 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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) [2022-02-09 01:58:23,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:23,837 INFO L93 Difference]: Finished difference Result 830 states and 1561 transitions. [2022-02-09 01:58:23,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 01:58:23,837 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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 38 [2022-02-09 01:58:23,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:23,841 INFO L225 Difference]: With dead ends: 830 [2022-02-09 01:58:23,841 INFO L226 Difference]: Without dead ends: 680 [2022-02-09 01:58:23,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:23,842 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 82 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:23,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 308 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-09 01:58:23,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2022-02-09 01:58:23,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 629. [2022-02-09 01:58:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 622 states have (on average 1.8681672025723473) internal successors, (1162), 628 states have internal predecessors, (1162), 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) [2022-02-09 01:58:23,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 1162 transitions. [2022-02-09 01:58:23,856 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 1162 transitions. Word has length 38 [2022-02-09 01:58:23,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:23,857 INFO L470 AbstractCegarLoop]: Abstraction has 629 states and 1162 transitions. [2022-02-09 01:58:23,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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) [2022-02-09 01:58:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1162 transitions. [2022-02-09 01:58:23,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-09 01:58:23,858 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:23,858 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:23,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 01:58:23,858 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:23,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:23,859 INFO L85 PathProgramCache]: Analyzing trace with hash -161019237, now seen corresponding path program 1 times [2022-02-09 01:58:23,859 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:23,859 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082855682] [2022-02-09 01:58:23,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:23,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 01:58:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 01:58:23,937 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 01:58:23,937 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082855682] [2022-02-09 01:58:23,937 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082855682] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 01:58:23,938 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 01:58:23,938 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 01:58:23,938 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683573748] [2022-02-09 01:58:23,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 01:58:23,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 01:58:23,938 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 01:58:23,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 01:58:23,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:23,939 INFO L87 Difference]: Start difference. First operand 629 states and 1162 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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) [2022-02-09 01:58:24,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 01:58:24,071 INFO L93 Difference]: Finished difference Result 728 states and 1340 transitions. [2022-02-09 01:58:24,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 01:58:24,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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 39 [2022-02-09 01:58:24,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 01:58:24,074 INFO L225 Difference]: With dead ends: 728 [2022-02-09 01:58:24,074 INFO L226 Difference]: Without dead ends: 632 [2022-02-09 01:58:24,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-09 01:58:24,075 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 62 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 01:58:24,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 231 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 01:58:24,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2022-02-09 01:58:24,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 608. [2022-02-09 01:58:24,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 601 states have (on average 1.8336106489184691) internal successors, (1102), 607 states have internal predecessors, (1102), 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) [2022-02-09 01:58:24,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 1102 transitions. [2022-02-09 01:58:24,087 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 1102 transitions. Word has length 39 [2022-02-09 01:58:24,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 01:58:24,087 INFO L470 AbstractCegarLoop]: Abstraction has 608 states and 1102 transitions. [2022-02-09 01:58:24,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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) [2022-02-09 01:58:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1102 transitions. [2022-02-09 01:58:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-09 01:58:24,088 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 01:58:24,088 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 01:58:24,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 01:58:24,088 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-09 01:58:24,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 01:58:24,089 INFO L85 PathProgramCache]: Analyzing trace with hash 2033788341, now seen corresponding path program 1 times [2022-02-09 01:58:24,089 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 01:58:24,089 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986049281] [2022-02-09 01:58:24,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 01:58:24,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 01:58:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 01:58:24,125 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 01:58:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 01:58:24,152 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 01:58:24,152 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 01:58:24,153 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-09 01:58:24,154 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-09 01:58:24,154 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-02-09 01:58:24,154 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 7 remaining) [2022-02-09 01:58:24,154 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-09 01:58:24,155 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-09 01:58:24,155 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-09 01:58:24,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-09 01:58:24,162 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-09 01:58:24,166 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 01:58:24,166 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 01:58:24,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 01:58:24 BasicIcfg [2022-02-09 01:58:24,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 01:58:24,190 INFO L158 Benchmark]: Toolchain (without parser) took 2826.43ms. Allocated memory was 218.1MB in the beginning and 271.6MB in the end (delta: 53.5MB). Free memory was 165.1MB in the beginning and 173.0MB in the end (delta: -7.9MB). Peak memory consumption was 46.4MB. Max. memory is 8.0GB. [2022-02-09 01:58:24,190 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 218.1MB. Free memory is still 183.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 01:58:24,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.45ms. Allocated memory is still 218.1MB. Free memory was 164.9MB in the beginning and 176.9MB in the end (delta: -11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-09 01:58:24,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.57ms. Allocated memory is still 218.1MB. Free memory was 176.9MB in the beginning and 174.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 01:58:24,190 INFO L158 Benchmark]: Boogie Preprocessor took 36.33ms. Allocated memory is still 218.1MB. Free memory was 174.3MB in the beginning and 172.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 01:58:24,191 INFO L158 Benchmark]: RCFGBuilder took 418.01ms. Allocated memory is still 218.1MB. Free memory was 172.7MB in the beginning and 159.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-09 01:58:24,191 INFO L158 Benchmark]: TraceAbstraction took 1803.20ms. Allocated memory was 218.1MB in the beginning and 271.6MB in the end (delta: 53.5MB). Free memory was 159.1MB in the beginning and 173.0MB in the end (delta: -13.9MB). Peak memory consumption was 40.1MB. Max. memory is 8.0GB. [2022-02-09 01:58:24,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 218.1MB. Free memory is still 183.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 500.45ms. Allocated memory is still 218.1MB. Free memory was 164.9MB in the beginning and 176.9MB in the end (delta: -11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.57ms. Allocated memory is still 218.1MB. Free memory was 176.9MB in the beginning and 174.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.33ms. Allocated memory is still 218.1MB. Free memory was 174.3MB in the beginning and 172.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 418.01ms. Allocated memory is still 218.1MB. Free memory was 172.7MB in the beginning and 159.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1803.20ms. Allocated memory was 218.1MB in the beginning and 271.6MB in the end (delta: 53.5MB). Free memory was 159.1MB in the beginning and 173.0MB in the end (delta: -13.9MB). Peak memory consumption was 40.1MB. 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 - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L918-L921] 0 struct { int x; int y; } data; VAL [data={1:0}] [L927] 0 int *i,j = __VERIFIER_nondet_int(); VAL [data={1:0}] [L927] 0 int *i,j = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, data={1:0}, j=1] [L928] 0 pthread_t id; VAL [data={1:0}, id={5:0}, j=1] [L929] COND TRUE 0 \read(j) VAL [data={1:0}, id={5:0}, j=1] [L929] 0 i = &data.x VAL [data={1:0}, i={1:0}, id={5:0}, j=1] [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L923] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L932] EXPR 0 \read(*i) VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1] [L932] 0 (*i)++ VAL [(*i)++=0, (*i)++=9, \read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] Now there is a data race (on the heap) between C: (*i)++ [932] and C: data.x++ [923] - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 99 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 284 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 284 mSDsluCounter, 1084 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 619 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 840 IncrementalHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 471 mSDtfsCounter, 840 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=2, InterpolantAutomatonStates: 24, 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, 4 MinimizatonAttempts, 179 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 458 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-09 01:58:24,261 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...