/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_11-fldsense_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 23:42:42,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 23:42:42,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 23:42:42,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 23:42:42,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 23:42:42,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 23:42:42,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 23:42:42,192 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 [2022-02-10 23:42:42,219 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 23:42:42,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 23:42:42,219 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 23:42:42,219 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 23:42:42,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 23:42:42,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 23:42:42,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 23:42:42,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 23:42:42,220 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 23:42:42,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 23:42:42,221 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 23:42:42,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 23:42:42,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 23:42:42,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 23:42:42,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 23:42:42,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 23:42:42,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 23:42:42,221 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 23:42:42,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 23:42:42,221 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 23:42:42,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 23:42:42,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 23:42:42,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 23:42:42,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 23:42:42,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 23:42:42,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:42:42,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 23:42:42,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 23:42:42,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 23:42:42,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 23:42:42,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 23:42:42,223 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 23:42:42,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 23:42:42,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 23:42:42,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 23:42:42,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 23:42:42,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 23:42:42,447 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 23:42:42,448 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 23:42:42,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i [2022-02-10 23:42:42,494 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fc123d79/850b535d7d924af29661aa69003c3713/FLAGbe4ce1460 [2022-02-10 23:42:42,935 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 23:42:42,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i [2022-02-10 23:42:42,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fc123d79/850b535d7d924af29661aa69003c3713/FLAGbe4ce1460 [2022-02-10 23:42:42,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fc123d79/850b535d7d924af29661aa69003c3713 [2022-02-10 23:42:42,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 23:42:42,966 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 23:42:42,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 23:42:42,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 23:42:42,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 23:42:42,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:42:42" (1/1) ... [2022-02-10 23:42:42,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61844b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:42, skipping insertion in model container [2022-02-10 23:42:42,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:42:42" (1/1) ... [2022-02-10 23:42:42,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 23:42:43,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 23:42:43,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:42:43,288 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 23:42:43,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:42:43,343 INFO L208 MainTranslator]: Completed translation [2022-02-10 23:42:43,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:43 WrapperNode [2022-02-10 23:42:43,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 23:42:43,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 23:42:43,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 23:42:43,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 23:42:43,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:43" (1/1) ... [2022-02-10 23:42:43,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:43" (1/1) ... [2022-02-10 23:42:43,393 INFO L137 Inliner]: procedures = 162, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-02-10 23:42:43,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 23:42:43,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 23:42:43,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 23:42:43,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 23:42:43,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:43" (1/1) ... [2022-02-10 23:42:43,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:43" (1/1) ... [2022-02-10 23:42:43,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:43" (1/1) ... [2022-02-10 23:42:43,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:43" (1/1) ... [2022-02-10 23:42:43,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:43" (1/1) ... [2022-02-10 23:42:43,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:43" (1/1) ... [2022-02-10 23:42:43,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:43" (1/1) ... [2022-02-10 23:42:43,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 23:42:43,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 23:42:43,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 23:42:43,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 23:42:43,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:43" (1/1) ... [2022-02-10 23:42:43,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:42:43,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:42:43,457 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) [2022-02-10 23:42:43,476 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 [2022-02-10 23:42:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 23:42:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 23:42:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 23:42:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 23:42:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 23:42:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 23:42:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 23:42:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 23:42:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 23:42:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 23:42:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 23:42:43,501 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 23:42:43,600 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 23:42:43,601 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 23:42:43,753 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 23:42:43,757 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 23:42:43,758 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 23:42:43,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:42:43 BoogieIcfgContainer [2022-02-10 23:42:43,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 23:42:43,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 23:42:43,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 23:42:43,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 23:42:43,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 11:42:42" (1/3) ... [2022-02-10 23:42:43,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5d9056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:42:43, skipping insertion in model container [2022-02-10 23:42:43,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:42:43" (2/3) ... [2022-02-10 23:42:43,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5d9056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:42:43, skipping insertion in model container [2022-02-10 23:42:43,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:42:43" (3/3) ... [2022-02-10 23:42:43,764 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_11-fldsense_rc.i [2022-02-10 23:42:43,767 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 23:42:43,767 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 23:42:43,767 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-10 23:42:43,767 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 23:42:43,809 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,809 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,809 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,809 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,809 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,809 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,810 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,810 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,810 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,810 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,810 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,810 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,810 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,810 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,812 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,812 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,812 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,812 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,812 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,812 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,825 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,826 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,826 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,826 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,826 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,826 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,827 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,827 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,827 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,827 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,827 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,828 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,828 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,828 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,828 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,828 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,832 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,832 WARN L322 ript$VariableManager]: TermVariable t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:42:43,834 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 23:42:43,860 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 23:42:43,864 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, 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 [2022-02-10 23:42:43,865 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-10 23:42:43,873 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 87 transitions, 179 flow [2022-02-10 23:42:43,921 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 760 states, 752 states have (on average 1.9042553191489362) internal successors, (1432), 759 states have internal predecessors, (1432), 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) [2022-02-10 23:42:43,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 760 states, 752 states have (on average 1.9042553191489362) internal successors, (1432), 759 states have internal predecessors, (1432), 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) [2022-02-10 23:42:43,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-10 23:42:43,936 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:43,936 INFO L515 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] [2022-02-10 23:42:43,937 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:42:43,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:43,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1056505186, now seen corresponding path program 1 times [2022-02-10 23:42:43,946 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:43,946 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252496936] [2022-02-10 23:42:43,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:43,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:44,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:44,273 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:44,273 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252496936] [2022-02-10 23:42:44,274 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252496936] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:44,274 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:44,274 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 23:42:44,276 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812080192] [2022-02-10 23:42:44,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:44,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 23:42:44,280 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:44,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 23:42:44,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 23:42:44,306 INFO L87 Difference]: Start difference. First operand has 760 states, 752 states have (on average 1.9042553191489362) internal successors, (1432), 759 states have internal predecessors, (1432), 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 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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) [2022-02-10 23:42:44,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:44,562 INFO L93 Difference]: Finished difference Result 1158 states and 2186 transitions. [2022-02-10 23:42:44,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 23:42:44,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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 40 [2022-02-10 23:42:44,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:44,582 INFO L225 Difference]: With dead ends: 1158 [2022-02-10 23:42:44,582 INFO L226 Difference]: Without dead ends: 1158 [2022-02-10 23:42:44,584 INFO L933 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 [2022-02-10 23:42:44,586 INFO L934 BasicCegarLoop]: 127 mSDtfsCounter, 180 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:44,587 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 289 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:42:44,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-02-10 23:42:44,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 862. [2022-02-10 23:42:44,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 855 states have (on average 1.9181286549707601) internal successors, (1640), 861 states have internal predecessors, (1640), 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) [2022-02-10 23:42:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1640 transitions. [2022-02-10 23:42:44,646 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1640 transitions. Word has length 40 [2022-02-10 23:42:44,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:44,646 INFO L470 AbstractCegarLoop]: Abstraction has 862 states and 1640 transitions. [2022-02-10 23:42:44,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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) [2022-02-10 23:42:44,646 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1640 transitions. [2022-02-10 23:42:44,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-02-10 23:42:44,648 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:44,648 INFO L515 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, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:44,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 23:42:44,649 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:42:44,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:44,649 INFO L85 PathProgramCache]: Analyzing trace with hash -345711001, now seen corresponding path program 1 times [2022-02-10 23:42:44,649 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:44,649 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654334050] [2022-02-10 23:42:44,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:44,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:44,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:44,756 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:44,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654334050] [2022-02-10 23:42:44,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654334050] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:44,756 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:44,757 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 23:42:44,757 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091549876] [2022-02-10 23:42:44,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:44,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 23:42:44,758 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:44,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 23:42:44,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 23:42:44,759 INFO L87 Difference]: Start difference. First operand 862 states and 1640 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-02-10 23:42:44,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:44,938 INFO L93 Difference]: Finished difference Result 1167 states and 2198 transitions. [2022-02-10 23:42:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 23:42:44,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 48 [2022-02-10 23:42:44,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:44,942 INFO L225 Difference]: With dead ends: 1167 [2022-02-10 23:42:44,942 INFO L226 Difference]: Without dead ends: 947 [2022-02-10 23:42:44,945 INFO L933 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 [2022-02-10 23:42:44,946 INFO L934 BasicCegarLoop]: 120 mSDtfsCounter, 108 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:44,946 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 296 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 23:42:44,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2022-02-10 23:42:44,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 769. [2022-02-10 23:42:44,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 762 states have (on average 1.8884514435695539) internal successors, (1439), 768 states have internal predecessors, (1439), 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) [2022-02-10 23:42:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1439 transitions. [2022-02-10 23:42:44,972 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1439 transitions. Word has length 48 [2022-02-10 23:42:44,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:44,973 INFO L470 AbstractCegarLoop]: Abstraction has 769 states and 1439 transitions. [2022-02-10 23:42:44,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2022-02-10 23:42:44,973 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1439 transitions. [2022-02-10 23:42:44,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-02-10 23:42:44,980 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:44,980 INFO L515 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, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:44,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 23:42:44,980 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:42:44,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:44,981 INFO L85 PathProgramCache]: Analyzing trace with hash -516503582, now seen corresponding path program 1 times [2022-02-10 23:42:44,981 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:44,981 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947605995] [2022-02-10 23:42:44,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:44,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:42:45,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:42:45,103 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:42:45,103 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947605995] [2022-02-10 23:42:45,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947605995] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:42:45,104 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:42:45,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 23:42:45,104 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629851219] [2022-02-10 23:42:45,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:42:45,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 23:42:45,104 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:42:45,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 23:42:45,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 23:42:45,105 INFO L87 Difference]: Start difference. First operand 769 states and 1439 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-02-10 23:42:45,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:42:45,246 INFO L93 Difference]: Finished difference Result 968 states and 1777 transitions. [2022-02-10 23:42:45,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 23:42:45,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 49 [2022-02-10 23:42:45,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:42:45,250 INFO L225 Difference]: With dead ends: 968 [2022-02-10 23:42:45,250 INFO L226 Difference]: Without dead ends: 821 [2022-02-10 23:42:45,250 INFO L933 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 [2022-02-10 23:42:45,251 INFO L934 BasicCegarLoop]: 102 mSDtfsCounter, 84 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 23:42:45,251 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 252 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 23:42:45,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2022-02-10 23:42:45,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 704. [2022-02-10 23:42:45,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 697 states have (on average 1.842180774748924) internal successors, (1284), 703 states have internal predecessors, (1284), 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) [2022-02-10 23:42:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 1284 transitions. [2022-02-10 23:42:45,265 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 1284 transitions. Word has length 49 [2022-02-10 23:42:45,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:42:45,265 INFO L470 AbstractCegarLoop]: Abstraction has 704 states and 1284 transitions. [2022-02-10 23:42:45,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-02-10 23:42:45,265 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1284 transitions. [2022-02-10 23:42:45,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-10 23:42:45,266 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:42:45,266 INFO L515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:42:45,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 23:42:45,267 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 23:42:45,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:42:45,267 INFO L85 PathProgramCache]: Analyzing trace with hash 305784178, now seen corresponding path program 1 times [2022-02-10 23:42:45,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:42:45,267 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413134237] [2022-02-10 23:42:45,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:42:45,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:42:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:42:45,286 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 23:42:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 23:42:45,325 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 23:42:45,325 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-10 23:42:45,326 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-10 23:42:45,327 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-10 23:42:45,327 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-10 23:42:45,327 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-10 23:42:45,328 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-10 23:42:45,328 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-10 23:42:45,328 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-10 23:42:45,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 23:42:45,330 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-10 23:42:45,334 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 23:42:45,334 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 23:42:45,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:42:45 BasicIcfg [2022-02-10 23:42:45,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 23:42:45,370 INFO L158 Benchmark]: Toolchain (without parser) took 2403.42ms. Allocated memory was 205.5MB in the beginning and 272.6MB in the end (delta: 67.1MB). Free memory was 154.6MB in the beginning and 178.6MB in the end (delta: -24.0MB). Peak memory consumption was 44.4MB. Max. memory is 8.0GB. [2022-02-10 23:42:45,370 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 205.5MB. Free memory is still 172.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:42:45,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.46ms. Allocated memory is still 205.5MB. Free memory was 154.5MB in the beginning and 172.8MB in the end (delta: -18.3MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-02-10 23:42:45,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.79ms. Allocated memory is still 205.5MB. Free memory was 172.8MB in the beginning and 170.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 23:42:45,371 INFO L158 Benchmark]: Boogie Preprocessor took 28.92ms. Allocated memory is still 205.5MB. Free memory was 170.8MB in the beginning and 169.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 23:42:45,371 INFO L158 Benchmark]: RCFGBuilder took 336.10ms. Allocated memory is still 205.5MB. Free memory was 169.2MB in the beginning and 155.6MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-10 23:42:45,371 INFO L158 Benchmark]: TraceAbstraction took 1609.49ms. Allocated memory was 205.5MB in the beginning and 272.6MB in the end (delta: 67.1MB). Free memory was 155.1MB in the beginning and 178.6MB in the end (delta: -23.5MB). Peak memory consumption was 44.6MB. Max. memory is 8.0GB. [2022-02-10 23:42:45,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 205.5MB. Free memory is still 172.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 375.46ms. Allocated memory is still 205.5MB. Free memory was 154.5MB in the beginning and 172.8MB in the end (delta: -18.3MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.79ms. Allocated memory is still 205.5MB. Free memory was 172.8MB in the beginning and 170.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.92ms. Allocated memory is still 205.5MB. Free memory was 170.8MB in the beginning and 169.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 336.10ms. Allocated memory is still 205.5MB. Free memory was 169.2MB in the beginning and 155.6MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1609.49ms. Allocated memory was 205.5MB in the beginning and 272.6MB in the end (delta: 67.1MB). Free memory was 155.1MB in the beginning and 178.6MB in the end (delta: -23.5MB). Peak memory consumption was 44.6MB. 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: 693]: Data race detected Data race detected The following path leads to a data race: [L679] 0 struct { int x; int y; } data; VAL [data={1:0}] [L680] 0 struct { pthread_mutex_t x; pthread_mutex_t y; } m; VAL [data={1:0}, m={2:0}] [L690] 0 pthread_t id; VAL [data={1:0}, id={5:0}, m={2:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, m={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L693] EXPR 0 data.x VAL [arg={0:0}, data={1:0}, data.x=0, id={5:0}, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, data={1:0}, data.x=0, data.x++=0, data.x++=49, id={5:0}, m={2:0}] [L683] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, m={2:0}] [L683] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, data.x=0, data.x++=0, data.x++=49, id={5:0}, m={2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data.x++ [693] * C: data.x++ [683] * C: data.x++ [693] * C: data.x++ [693] * C: data.x++ [693] and C: data.x++ [693] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: 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: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 683]: 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, 115 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 372 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 372 mSDsluCounter, 837 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 491 mSDsCounter, 110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 613 IncrementalHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 110 mSolverCounterUnsat, 349 mSDtfsCounter, 613 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=862occurred in iteration=1, InterpolantAutomatonStates: 18, 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, 3 MinimizatonAttempts, 591 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 377 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-10 23:42:45,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...