/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/04-mutex_11-ptr_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 22:46:00,780 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 22:46:00,907 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 [2021-10-16 22:46:00,943 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 22:46:00,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 22:46:00,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 22:46:00,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 22:46:00,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 22:46:00,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 22:46:00,945 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 22:46:00,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 22:46:00,945 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 22:46:00,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 22:46:00,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 22:46:00,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 22:46:00,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 22:46:00,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 22:46:00,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 22:46:00,947 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 22:46:00,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 22:46:00,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 22:46:00,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 22:46:00,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 22:46:00,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 22:46:00,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 22:46:00,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 22:46:00,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:00,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 22:46:00,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 22:46:00,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 22:46:00,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 22:46:00,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 22:46:00,951 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 22:46:00,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 22:46:00,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 22:46:01,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 22:46:01,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 22:46:01,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 22:46:01,202 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 22:46:01,203 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 22:46:01,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_11-ptr_rc.i [2021-10-16 22:46:01,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e17b4fc8/18d3f9da5fcc4768887d94549d228561/FLAG5949d3749 [2021-10-16 22:46:01,763 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 22:46:01,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_11-ptr_rc.i [2021-10-16 22:46:01,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e17b4fc8/18d3f9da5fcc4768887d94549d228561/FLAG5949d3749 [2021-10-16 22:46:02,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e17b4fc8/18d3f9da5fcc4768887d94549d228561 [2021-10-16 22:46:02,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 22:46:02,123 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 22:46:02,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:02,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 22:46:02,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 22:46:02,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:02" (1/1) ... [2021-10-16 22:46:02,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c39d619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:02, skipping insertion in model container [2021-10-16 22:46:02,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:02" (1/1) ... [2021-10-16 22:46:02,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 22:46:02,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 22:46:02,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:02,643 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 22:46:02,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:02,746 INFO L208 MainTranslator]: Completed translation [2021-10-16 22:46:02,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:02 WrapperNode [2021-10-16 22:46:02,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:02,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:02,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 22:46:02,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 22:46:02,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:02" (1/1) ... [2021-10-16 22:46:02,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:02" (1/1) ... [2021-10-16 22:46:02,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:02,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 22:46:02,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 22:46:02,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 22:46:02,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:02" (1/1) ... [2021-10-16 22:46:02,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:02" (1/1) ... [2021-10-16 22:46:02,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:02" (1/1) ... [2021-10-16 22:46:02,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:02" (1/1) ... [2021-10-16 22:46:02,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:02" (1/1) ... [2021-10-16 22:46:02,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:02" (1/1) ... [2021-10-16 22:46:02,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:02" (1/1) ... [2021-10-16 22:46:02,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 22:46:02,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 22:46:02,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 22:46:02,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 22:46:02,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:02" (1/1) ... [2021-10-16 22:46:02,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:02,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 22:46:02,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 22:46:02,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 22:46:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 22:46:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 22:46:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 22:46:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 22:46:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 22:46:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 22:46:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 22:46:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 22:46:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 22:46:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 22:46:02,931 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 22:46:03,278 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 22:46:03,279 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 22:46:03,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:03 BoogieIcfgContainer [2021-10-16 22:46:03,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 22:46:03,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 22:46:03,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 22:46:03,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 22:46:03,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:46:02" (1/3) ... [2021-10-16 22:46:03,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406476cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:03, skipping insertion in model container [2021-10-16 22:46:03,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:02" (2/3) ... [2021-10-16 22:46:03,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406476cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:03, skipping insertion in model container [2021-10-16 22:46:03,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:03" (3/3) ... [2021-10-16 22:46:03,292 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_11-ptr_rc.i [2021-10-16 22:46:03,296 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 22:46:03,296 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 22:46:03,296 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-16 22:46:03,296 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 22:46:03,322 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,322 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,322 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,323 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,323 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,323 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,323 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,323 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,323 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,323 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,324 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,324 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,324 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,324 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,324 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,325 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,328 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,328 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,328 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,328 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,328 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,329 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,329 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,329 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,329 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,329 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,329 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,329 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,330 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,330 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,330 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,330 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,330 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,330 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,330 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,331 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,331 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,331 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,331 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,331 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,331 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,331 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,332 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,332 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,332 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,332 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,332 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,332 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,333 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,333 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,333 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,333 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,334 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,334 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,334 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,334 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,334 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,335 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,335 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,335 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,335 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,335 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,335 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,336 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,336 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,336 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,336 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,336 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,336 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,336 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,337 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,337 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,337 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,338 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,338 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,338 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,338 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,339 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,339 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,339 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,340 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,340 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,340 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,340 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,340 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,341 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,341 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,341 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,342 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,343 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,346 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,347 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,347 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,348 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:03,357 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-16 22:46:03,401 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 22:46:03,409 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, mConcurrency=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 [2021-10-16 22:46:03,410 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-16 22:46:03,426 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 89 places, 85 transitions, 178 flow [2021-10-16 22:46:03,485 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 672 states, 669 states have (on average 1.8923766816143497) internal successors, (1266), 671 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 672 states, 669 states have (on average 1.8923766816143497) internal successors, (1266), 671 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-16 22:46:03,501 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:03,502 INFO L517 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] [2021-10-16 22:46:03,502 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:03,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:03,507 INFO L82 PathProgramCache]: Analyzing trace with hash 225257928, now seen corresponding path program 1 times [2021-10-16 22:46:03,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:03,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952685966] [2021-10-16 22:46:03,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:03,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:03,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:03,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952685966] [2021-10-16 22:46:03,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952685966] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:03,899 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:03,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:03,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399666171] [2021-10-16 22:46:03,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:03,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:03,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:03,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:03,923 INFO L87 Difference]: Start difference. First operand has 672 states, 669 states have (on average 1.8923766816143497) internal successors, (1266), 671 states have internal predecessors, (1266), 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 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:04,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:04,298 INFO L93 Difference]: Finished difference Result 786 states and 1476 transitions. [2021-10-16 22:46:04,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:04,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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 41 [2021-10-16 22:46:04,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:04,314 INFO L225 Difference]: With dead ends: 786 [2021-10-16 22:46:04,314 INFO L226 Difference]: Without dead ends: 769 [2021-10-16 22:46:04,316 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 42.3ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:04,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2021-10-16 22:46:04,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 736. [2021-10-16 22:46:04,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 733 states have (on average 1.888130968622101) internal successors, (1384), 735 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:04,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1384 transitions. [2021-10-16 22:46:04,388 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1384 transitions. Word has length 41 [2021-10-16 22:46:04,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:04,389 INFO L470 AbstractCegarLoop]: Abstraction has 736 states and 1384 transitions. [2021-10-16 22:46:04,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:04,389 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1384 transitions. [2021-10-16 22:46:04,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-16 22:46:04,396 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:04,396 INFO L517 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] [2021-10-16 22:46:04,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 22:46:04,396 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:04,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:04,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1255028445, now seen corresponding path program 1 times [2021-10-16 22:46:04,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:04,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470429531] [2021-10-16 22:46:04,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:04,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:04,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:04,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:04,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470429531] [2021-10-16 22:46:04,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470429531] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:04,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:04,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:04,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18771870] [2021-10-16 22:46:04,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:04,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:04,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:04,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:04,508 INFO L87 Difference]: Start difference. First operand 736 states and 1384 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:04,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:04,752 INFO L93 Difference]: Finished difference Result 842 states and 1579 transitions. [2021-10-16 22:46:04,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:04,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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 41 [2021-10-16 22:46:04,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:04,757 INFO L225 Difference]: With dead ends: 842 [2021-10-16 22:46:04,757 INFO L226 Difference]: Without dead ends: 723 [2021-10-16 22:46:04,758 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.8ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:04,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2021-10-16 22:46:04,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 681. [2021-10-16 22:46:04,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 678 states have (on average 1.864306784660767) internal successors, (1264), 680 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:04,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 1264 transitions. [2021-10-16 22:46:04,799 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 1264 transitions. Word has length 41 [2021-10-16 22:46:04,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:04,799 INFO L470 AbstractCegarLoop]: Abstraction has 681 states and 1264 transitions. [2021-10-16 22:46:04,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:04,799 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 1264 transitions. [2021-10-16 22:46:04,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-16 22:46:04,801 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:04,801 INFO L517 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] [2021-10-16 22:46:04,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 22:46:04,801 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2021-10-16 22:46:04,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:04,802 INFO L82 PathProgramCache]: Analyzing trace with hash -949403548, now seen corresponding path program 1 times [2021-10-16 22:46:04,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:04,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392013182] [2021-10-16 22:46:04,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:04,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 22:46:04,830 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 22:46:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 22:46:04,872 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 22:46:04,872 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 22:46:04,874 WARN L676 BasicCegarLoop]: Found a data race, but unable to determine exactly which statements and variables are involved. [2021-10-16 22:46:04,874 WARN L679 BasicCegarLoop]: C: *p = *p + 1 [916] might race with any of C: myglobal+1 [924], or C: *p + 1 [916], or C: *p + 1 [916], or C: *p + 1 [916], or C: *p + 1 [916] [2021-10-16 22:46:04,875 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:04,877 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:04,877 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 22:46:04,877 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:46:04,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 22:46:04,883 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 22:46:04,884 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 22:46:04,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:46:04 BasicIcfg [2021-10-16 22:46:04,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 22:46:04,916 INFO L168 Benchmark]: Toolchain (without parser) took 2792.42 ms. Allocated memory was 183.5 MB in the beginning and 220.2 MB in the end (delta: 36.7 MB). Free memory was 133.6 MB in the beginning and 135.3 MB in the end (delta: -1.7 MB). Peak memory consumption was 35.2 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:04,916 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 183.5 MB. Free memory was 151.8 MB in the beginning and 151.7 MB in the end (delta: 66.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:46:04,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.90 ms. Allocated memory is still 183.5 MB. Free memory was 133.4 MB in the beginning and 146.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.0 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:04,917 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.50 ms. Allocated memory is still 183.5 MB. Free memory was 146.0 MB in the beginning and 143.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:04,918 INFO L168 Benchmark]: Boogie Preprocessor took 36.46 ms. Allocated memory is still 183.5 MB. Free memory was 143.6 MB in the beginning and 142.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:04,918 INFO L168 Benchmark]: RCFGBuilder took 428.49 ms. Allocated memory is still 183.5 MB. Free memory was 141.8 MB in the beginning and 128.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:04,919 INFO L168 Benchmark]: TraceAbstraction took 1633.03 ms. Allocated memory was 183.5 MB in the beginning and 220.2 MB in the end (delta: 36.7 MB). Free memory was 127.9 MB in the beginning and 135.3 MB in the end (delta: -7.4 MB). Peak memory consumption was 29.3 MB. Max. memory is 8.0 GB. [2021-10-16 22:46:04,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 183.5 MB. Free memory was 151.8 MB in the beginning and 151.7 MB in the end (delta: 66.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 621.90 ms. Allocated memory is still 183.5 MB. Free memory was 133.4 MB in the beginning and 146.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 66.50 ms. Allocated memory is still 183.5 MB. Free memory was 146.0 MB in the beginning and 143.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.46 ms. Allocated memory is still 183.5 MB. Free memory was 143.6 MB in the beginning and 142.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 428.49 ms. Allocated memory is still 183.5 MB. Free memory was 141.8 MB in the beginning and 128.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1633.03 ms. Allocated memory was 183.5 MB in the beginning and 220.2 MB in the end (delta: 36.7 MB). Free memory was 127.9 MB in the beginning and 135.3 MB in the end (delta: -7.4 MB). Peak memory consumption was 29.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 916]: the program contains a data race the program contains a data race We found a FailurePath: [L910] 0 int myglobal; VAL [myglobal={6:0}] [L911] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={7:0}, myglobal={6:0}] [L912] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={7:0}, mutex2={9:0}, myglobal={6:0}] [L921] 0 pthread_t id; VAL [mutex1={7:0}, mutex2={9:0}, myglobal={6:0}] [L922] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, mutex1={7:0}, mutex2={9:0}, myglobal={6:0}] [L914] 1 int *p = &myglobal; VAL [arg={0:0}, arg={0:0}, mutex1={7:0}, mutex2={9:0}, myglobal={6:0}, p={6:0}] [L916] EXPR 1 \read(*p) VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={7:0}, mutex2={9:0}, myglobal={6:0}, p={6:0}] [L916] 1 *p = *p + 1 VAL [*p + 1=26, *p = *p + 1=25, \read(*p)=0, arg={0:0}, arg={0:0}, mutex1={7:0}, mutex2={9:0}, myglobal={6:0}, p={6:0}] [L924] 0 \read(myglobal) VAL [*p + 1=26, *p = *p + 1=25, \read(*p)=0, arg={0:0}, arg={0:0}, mutex1={7:0}, mutex2={9:0}, myglobal={6:0}, p={6:0}] [L916] 1 *p = *p + 1 VAL [*p + 1=26, *p = *p + 1=25, \read(*p)=0, arg={0:0}, arg={0:0}, mutex1={7:0}, mutex2={9:0}, myglobal={6:0}, p={6:0}] - UnprovableResult [Line: 924]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 922]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 112 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1481.6ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 22.6ms, AutomataDifference: 661.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 75.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 252 SDtfs, 143 SDslu, 318 SDs, 0 SdLazy, 470 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 408.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 70.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=736occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 101.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 75 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.3ms SsaConstructionTime, 110.8ms SatisfiabilityAnalysisTime, 310.1ms InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 22:46:04,956 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...