/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/02-base_25-malloc_race_cp.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 22:45:45,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 22:45:45,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 22:45:46,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 22:45:46,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 22:45:46,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 22:45:46,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 22:45:46,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 22:45:46,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 22:45:46,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 22:45:46,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 22:45:46,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 22:45:46,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 22:45:46,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 22:45:46,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 22:45:46,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 22:45:46,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 22:45:46,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 22:45:46,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 22:45:46,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 22:45:46,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 22:45:46,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 22:45:46,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 22:45:46,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 22:45:46,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 22:45:46,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 22:45:46,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 22:45:46,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 22:45:46,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 22:45:46,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 22:45:46,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 22:45:46,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 22:45:46,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 22:45:46,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 22:45:46,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 22:45:46,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 22:45:46,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 22:45:46,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 22:45:46,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 22:45:46,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 22:45:46,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 22:45:46,064 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 22:45:46,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 22:45:46,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 22:45:46,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 22:45:46,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 22:45:46,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 22:45:46,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 22:45:46,093 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 22:45:46,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 22:45:46,093 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 22:45:46,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 22:45:46,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 22:45:46,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 22:45:46,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 22:45:46,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 22:45:46,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 22:45:46,094 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 22:45:46,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 22:45:46,094 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 22:45:46,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 22:45:46,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 22:45:46,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 22:45:46,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 22:45:46,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 22:45:46,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:45:46,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 22:45:46,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 22:45:46,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 22:45:46,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 22:45:46,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 22:45:46,096 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 22:45:46,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 22:45:46,097 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 22:45:46,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 22:45:46,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 22:45:46,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 22:45:46,309 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 22:45:46,310 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 22:45:46,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/02-base_25-malloc_race_cp.i [2021-10-16 22:45:46,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef1aa1b1/c69b9a581c694bb1b8d541f0f36f8e2a/FLAG8da4e750f [2021-10-16 22:45:46,740 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 22:45:46,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/02-base_25-malloc_race_cp.i [2021-10-16 22:45:46,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef1aa1b1/c69b9a581c694bb1b8d541f0f36f8e2a/FLAG8da4e750f [2021-10-16 22:45:47,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef1aa1b1/c69b9a581c694bb1b8d541f0f36f8e2a [2021-10-16 22:45:47,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 22:45:47,090 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 22:45:47,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 22:45:47,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 22:45:47,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 22:45:47,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:45:47" (1/1) ... [2021-10-16 22:45:47,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a9655db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:47, skipping insertion in model container [2021-10-16 22:45:47,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:45:47" (1/1) ... [2021-10-16 22:45:47,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 22:45:47,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 22:45:47,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:45:47,476 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 22:45:47,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:45:47,568 INFO L208 MainTranslator]: Completed translation [2021-10-16 22:45:47,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:47 WrapperNode [2021-10-16 22:45:47,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 22:45:47,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 22:45:47,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 22:45:47,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 22:45:47,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:47" (1/1) ... [2021-10-16 22:45:47,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:47" (1/1) ... [2021-10-16 22:45:47,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 22:45:47,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 22:45:47,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 22:45:47,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 22:45:47,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:47" (1/1) ... [2021-10-16 22:45:47,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:47" (1/1) ... [2021-10-16 22:45:47,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:47" (1/1) ... [2021-10-16 22:45:47,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:47" (1/1) ... [2021-10-16 22:45:47,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:47" (1/1) ... [2021-10-16 22:45:47,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:47" (1/1) ... [2021-10-16 22:45:47,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:47" (1/1) ... [2021-10-16 22:45:47,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 22:45:47,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 22:45:47,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 22:45:47,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 22:45:47,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:47" (1/1) ... [2021-10-16 22:45:47,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:45:47,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 22:45:47,661 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 22:45:47,662 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 22:45:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 22:45:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 22:45:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 22:45:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 22:45:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 22:45:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 22:45:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 22:45:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 22:45:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 22:45:47,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 22:45:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 22:45:47,685 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 22:45:48,022 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 22:45:48,022 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 22:45:48,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:45:48 BoogieIcfgContainer [2021-10-16 22:45:48,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 22:45:48,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 22:45:48,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 22:45:48,035 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 22:45:48,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:45:47" (1/3) ... [2021-10-16 22:45:48,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ddfabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:45:48, skipping insertion in model container [2021-10-16 22:45:48,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:45:47" (2/3) ... [2021-10-16 22:45:48,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ddfabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:45:48, skipping insertion in model container [2021-10-16 22:45:48,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:45:48" (3/3) ... [2021-10-16 22:45:48,037 INFO L111 eAbstractionObserver]: Analyzing ICFG 02-base_25-malloc_race_cp.i [2021-10-16 22:45:48,040 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 22:45:48,040 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 22:45:48,040 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-16 22:45:48,040 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 22:45:48,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,073 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,073 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,089 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:45:48,093 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-16 22:45:48,128 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 22:45:48,134 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 22:45:48,134 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-16 22:45:48,146 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 115 places, 111 transitions, 227 flow [2021-10-16 22:45:48,185 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 849 states, 845 states have (on average 1.8840236686390532) internal successors, (1592), 848 states have internal predecessors, (1592), 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 22:45:48,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 849 states, 845 states have (on average 1.8840236686390532) internal successors, (1592), 848 states have internal predecessors, (1592), 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 22:45:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-16 22:45:48,193 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:45:48,193 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] [2021-10-16 22:45:48,194 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-16 22:45:48,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:45:48,198 INFO L82 PathProgramCache]: Analyzing trace with hash 2083282370, now seen corresponding path program 1 times [2021-10-16 22:45:48,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:45:48,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040195436] [2021-10-16 22:45:48,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:45:48,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:45:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:45:48,393 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 22:45:48,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:45:48,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040195436] [2021-10-16 22:45:48,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040195436] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:45:48,394 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:45:48,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:45:48,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229611213] [2021-10-16 22:45:48,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:45:48,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:45:48,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:45:48,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:45:48,414 INFO L87 Difference]: Start difference. First operand has 849 states, 845 states have (on average 1.8840236686390532) internal successors, (1592), 848 states have internal predecessors, (1592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:45:48,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:45:48,466 INFO L93 Difference]: Finished difference Result 848 states and 1591 transitions. [2021-10-16 22:45:48,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:45:48,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-10-16 22:45:48,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:45:48,487 INFO L225 Difference]: With dead ends: 848 [2021-10-16 22:45:48,487 INFO L226 Difference]: Without dead ends: 848 [2021-10-16 22:45:48,488 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:45:48,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2021-10-16 22:45:48,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 848. [2021-10-16 22:45:48,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 845 states have (on average 1.8828402366863906) internal successors, (1591), 847 states have internal predecessors, (1591), 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 22:45:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1591 transitions. [2021-10-16 22:45:48,557 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1591 transitions. Word has length 30 [2021-10-16 22:45:48,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:45:48,557 INFO L470 AbstractCegarLoop]: Abstraction has 848 states and 1591 transitions. [2021-10-16 22:45:48,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:45:48,557 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1591 transitions. [2021-10-16 22:45:48,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-16 22:45:48,558 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:45:48,558 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] [2021-10-16 22:45:48,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 22:45:48,558 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-16 22:45:48,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:45:48,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1906147609, now seen corresponding path program 1 times [2021-10-16 22:45:48,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:45:48,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236756800] [2021-10-16 22:45:48,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:45:48,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:45:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:45:48,614 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 22:45:48,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:45:48,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236756800] [2021-10-16 22:45:48,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236756800] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:45:48,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:45:48,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:45:48,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225052564] [2021-10-16 22:45:48,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:45:48,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:45:48,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:45:48,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:45:48,616 INFO L87 Difference]: Start difference. First operand 848 states and 1591 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 22:45:48,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:45:48,634 INFO L93 Difference]: Finished difference Result 847 states and 1590 transitions. [2021-10-16 22:45:48,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:45:48,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2021-10-16 22:45:48,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:45:48,637 INFO L225 Difference]: With dead ends: 847 [2021-10-16 22:45:48,638 INFO L226 Difference]: Without dead ends: 847 [2021-10-16 22:45:48,638 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:45:48,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2021-10-16 22:45:48,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 847. [2021-10-16 22:45:48,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 845 states have (on average 1.8816568047337279) internal successors, (1590), 846 states have internal predecessors, (1590), 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 22:45:48,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1590 transitions. [2021-10-16 22:45:48,658 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1590 transitions. Word has length 37 [2021-10-16 22:45:48,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:45:48,659 INFO L470 AbstractCegarLoop]: Abstraction has 847 states and 1590 transitions. [2021-10-16 22:45:48,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 22:45:48,659 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1590 transitions. [2021-10-16 22:45:48,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-16 22:45:48,662 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:45:48,662 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:45:48,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 22:45:48,663 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-16 22:45:48,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:45:48,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1411079701, now seen corresponding path program 1 times [2021-10-16 22:45:48,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:45:48,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623098288] [2021-10-16 22:45:48,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:45:48,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:45:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:45:48,800 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 22:45:48,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:45:48,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623098288] [2021-10-16 22:45:48,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623098288] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:45:48,802 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:45:48,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:45:48,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443365157] [2021-10-16 22:45:48,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:45:48,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:45:48,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:45:48,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:45:48,804 INFO L87 Difference]: Start difference. First operand 847 states and 1590 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 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 22:45:48,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:45:48,977 INFO L93 Difference]: Finished difference Result 1106 states and 2102 transitions. [2021-10-16 22:45:48,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:45:48,978 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 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 59 [2021-10-16 22:45:48,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:45:48,983 INFO L225 Difference]: With dead ends: 1106 [2021-10-16 22:45:48,983 INFO L226 Difference]: Without dead ends: 1106 [2021-10-16 22:45:48,983 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:45:48,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2021-10-16 22:45:49,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 925. [2021-10-16 22:45:49,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 923 states have (on average 1.8873239436619718) internal successors, (1742), 924 states have internal predecessors, (1742), 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 22:45:49,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1742 transitions. [2021-10-16 22:45:49,004 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1742 transitions. Word has length 59 [2021-10-16 22:45:49,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:45:49,004 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1742 transitions. [2021-10-16 22:45:49,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 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 22:45:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1742 transitions. [2021-10-16 22:45:49,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-10-16 22:45:49,010 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:45:49,010 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:45:49,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 22:45:49,010 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-16 22:45:49,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:45:49,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1841935470, now seen corresponding path program 1 times [2021-10-16 22:45:49,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:45:49,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013288618] [2021-10-16 22:45:49,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:45:49,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:45:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:45:49,082 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 22:45:49,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:45:49,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013288618] [2021-10-16 22:45:49,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013288618] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:45:49,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:45:49,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 22:45:49,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500548947] [2021-10-16 22:45:49,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:45:49,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:45:49,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:45:49,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:45:49,087 INFO L87 Difference]: Start difference. First operand 925 states and 1742 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 22:45:49,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:45:49,098 INFO L93 Difference]: Finished difference Result 562 states and 994 transitions. [2021-10-16 22:45:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:45:49,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 69 [2021-10-16 22:45:49,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:45:49,104 INFO L225 Difference]: With dead ends: 562 [2021-10-16 22:45:49,104 INFO L226 Difference]: Without dead ends: 562 [2021-10-16 22:45:49,105 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:45:49,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2021-10-16 22:45:49,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562. [2021-10-16 22:45:49,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 559 states have (on average 1.778175313059034) internal successors, (994), 561 states have internal predecessors, (994), 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 22:45:49,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 994 transitions. [2021-10-16 22:45:49,119 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 994 transitions. Word has length 69 [2021-10-16 22:45:49,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:45:49,119 INFO L470 AbstractCegarLoop]: Abstraction has 562 states and 994 transitions. [2021-10-16 22:45:49,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 22:45:49,119 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 994 transitions. [2021-10-16 22:45:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-10-16 22:45:49,121 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:45:49,121 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, 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 22:45:49,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 22:45:49,121 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-16 22:45:49,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:45:49,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1133193946, now seen corresponding path program 1 times [2021-10-16 22:45:49,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:45:49,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468222665] [2021-10-16 22:45:49,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:45:49,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:45:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:45:49,258 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 22:45:49,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:45:49,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468222665] [2021-10-16 22:45:49,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468222665] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:45:49,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:45:49,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:45:49,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793262443] [2021-10-16 22:45:49,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:45:49,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:45:49,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:45:49,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:45:49,262 INFO L87 Difference]: Start difference. First operand 562 states and 994 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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 22:45:49,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:45:49,322 INFO L93 Difference]: Finished difference Result 599 states and 1054 transitions. [2021-10-16 22:45:49,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:45:49,323 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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 70 [2021-10-16 22:45:49,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:45:49,326 INFO L225 Difference]: With dead ends: 599 [2021-10-16 22:45:49,326 INFO L226 Difference]: Without dead ends: 352 [2021-10-16 22:45:49,326 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.6ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:45:49,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2021-10-16 22:45:49,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2021-10-16 22:45:49,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 350 states have (on average 1.6828571428571428) internal successors, (589), 351 states have internal predecessors, (589), 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 22:45:49,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 589 transitions. [2021-10-16 22:45:49,333 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 589 transitions. Word has length 70 [2021-10-16 22:45:49,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:45:49,333 INFO L470 AbstractCegarLoop]: Abstraction has 352 states and 589 transitions. [2021-10-16 22:45:49,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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 22:45:49,333 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 589 transitions. [2021-10-16 22:45:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-16 22:45:49,334 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:45:49,334 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:45:49,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 22:45:49,334 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-16 22:45:49,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:45:49,334 INFO L82 PathProgramCache]: Analyzing trace with hash -825525582, now seen corresponding path program 1 times [2021-10-16 22:45:49,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:45:49,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153767904] [2021-10-16 22:45:49,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:45:49,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:45:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:45:49,568 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 22:45:49,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:45:49,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153767904] [2021-10-16 22:45:49,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153767904] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:45:49,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:45:49,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-16 22:45:49,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984497144] [2021-10-16 22:45:49,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-16 22:45:49,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:45:49,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-16 22:45:49,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-10-16 22:45:49,571 INFO L87 Difference]: Start difference. First operand 352 states and 589 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 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 22:45:49,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:45:49,872 INFO L93 Difference]: Finished difference Result 341 states and 568 transitions. [2021-10-16 22:45:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-16 22:45:49,872 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 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 80 [2021-10-16 22:45:49,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:45:49,873 INFO L225 Difference]: With dead ends: 341 [2021-10-16 22:45:49,874 INFO L226 Difference]: Without dead ends: 309 [2021-10-16 22:45:49,874 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 201.1ms TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:45:49,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-10-16 22:45:49,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 297. [2021-10-16 22:45:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.6486486486486487) internal successors, (488), 296 states have internal predecessors, (488), 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 22:45:49,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 488 transitions. [2021-10-16 22:45:49,879 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 488 transitions. Word has length 80 [2021-10-16 22:45:49,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:45:49,880 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 488 transitions. [2021-10-16 22:45:49,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 12 states have internal predecessors, (80), 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 22:45:49,880 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 488 transitions. [2021-10-16 22:45:49,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-16 22:45:49,881 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:45:49,881 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:45:49,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 22:45:49,881 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-16 22:45:49,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:45:49,881 INFO L82 PathProgramCache]: Analyzing trace with hash 108054373, now seen corresponding path program 1 times [2021-10-16 22:45:49,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:45:49,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687982244] [2021-10-16 22:45:49,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:45:49,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:45:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 22:45:49,909 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 22:45:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 22:45:49,977 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-16 22:45:49,978 INFO L631 BasicCegarLoop]: Counterexample is feasible [2021-10-16 22:45:49,979 WARN L676 BasicCegarLoop]: Found a data race, but unable to determine exactly which statements and variables are involved. [2021-10-16 22:45:49,979 WARN L679 BasicCegarLoop]: C: *y = 8 [1222] might race with any of C: printf("%d\n",*z) [1236], or C: *x = 3 [1221], or C: *x = 3 [1221], or C: *x = 3 [1221], or C: *x = 3 [1221], or C: printf("%d\n",*x) [1234], or C: printf("%d\n",*x) [1234], or C: printf("%d\n",*x) [1234], or C: printf("%d\n",*x) [1234] [2021-10-16 22:45:49,980 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:45:49,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:45:49,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:45:49,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 22:45:49,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:45:49,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:45:49,981 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:45:49,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 22:45:49,987 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 22:45:49,987 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 22:45:50,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:45:50 BasicIcfg [2021-10-16 22:45:50,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 22:45:50,051 INFO L168 Benchmark]: Toolchain (without parser) took 2957.36 ms. Allocated memory was 222.3 MB in the beginning and 327.2 MB in the end (delta: 104.9 MB). Free memory was 169.7 MB in the beginning and 172.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 102.4 MB. Max. memory is 8.0 GB. [2021-10-16 22:45:50,052 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 222.3 MB. Free memory is still 187.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:45:50,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.90 ms. Allocated memory is still 222.3 MB. Free memory was 169.5 MB in the beginning and 171.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 11.7 MB. Max. memory is 8.0 GB. [2021-10-16 22:45:50,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.03 ms. Allocated memory is still 222.3 MB. Free memory was 171.5 MB in the beginning and 169.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:45:50,052 INFO L168 Benchmark]: Boogie Preprocessor took 29.06 ms. Allocated memory is still 222.3 MB. Free memory was 168.9 MB in the beginning and 167.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:45:50,052 INFO L168 Benchmark]: RCFGBuilder took 391.50 ms. Allocated memory is still 222.3 MB. Free memory was 167.3 MB in the beginning and 152.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-16 22:45:50,053 INFO L168 Benchmark]: TraceAbstraction took 2022.14 ms. Allocated memory was 222.3 MB in the beginning and 327.2 MB in the end (delta: 104.9 MB). Free memory was 152.1 MB in the beginning and 172.1 MB in the end (delta: -20.0 MB). Peak memory consumption was 86.4 MB. Max. memory is 8.0 GB. [2021-10-16 22:45:50,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 222.3 MB. Free memory is still 187.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 477.90 ms. Allocated memory is still 222.3 MB. Free memory was 169.5 MB in the beginning and 171.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 11.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 33.03 ms. Allocated memory is still 222.3 MB. Free memory was 171.5 MB in the beginning and 169.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.06 ms. Allocated memory is still 222.3 MB. Free memory was 168.9 MB in the beginning and 167.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 391.50 ms. Allocated memory is still 222.3 MB. Free memory was 167.3 MB in the beginning and 152.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2022.14 ms. Allocated memory was 222.3 MB in the beginning and 327.2 MB in the end (delta: 104.9 MB). Free memory was 152.1 MB in the beginning and 172.1 MB in the end (delta: -20.0 MB). Peak memory consumption was 86.4 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: 1222]: the program contains a data race the program contains a data race We found a FailurePath: [L1216] 0 int *x; VAL [x={0:0}] [L1217] 0 int *y; VAL [x={0:0}, y={0:0}] [L1218] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [m={9:0}, x={0:0}, y={0:0}] [L1227] 0 pthread_t id; VAL [m={9:0}, x={0:0}, y={0:0}] [L1228] 0 int *z; VAL [m={9:0}, x={0:0}, y={0:0}] [L1229] 0 x = malloc(sizeof(int)) VAL [m={9:0}, x={-2:0}, y={0:0}] [L1230] 0 y = malloc(sizeof(int)) VAL [m={9:0}, x={-2:0}, y={-3:0}] [L1232] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, m={9:0}, x={-2:0}, y={-3:0}] [L1234] 0 \read(*x) VAL [arg={0:0}, m={9:0}, x={-2:0}, y={-3:0}] [L1236] 0 \read(*z) VAL [arg={0:0}, arg={0:0}, m={9:0}, x={-2:0}, y={-3:0}] [L1221] 1 *x = 3 VAL [*x=112, *x = 3=104, arg={0:0}, arg={0:0}, m={9:0}, x={-2:0}, y={-3:0}] [L1222] 1 *y = 8 VAL [*y=108, *y = 8=102, arg={0:0}, arg={0:0}, m={9:0}, x={-2:0}, y={-3:0}] [L1222] 1 *y = 8 VAL [*y=108, *y = 8=102, arg={0:0}, arg={0:0}, m={9:0}, x={-2:0}, y={-3:0}] - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1232]: 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: 1221]: 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, 144 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1857.6ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 18.6ms, AutomataDifference: 676.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 51.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 754 SDtfs, 415 SDslu, 1057 SDs, 0 SdLazy, 504 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 314.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 266.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=925occurred in iteration=3, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 122.8ms AutomataMinimizationTime, 6 MinimizatonAttempts, 193 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 29.0ms SsaConstructionTime, 155.9ms SatisfiabilityAnalysisTime, 563.1ms InterpolantComputationTime, 436 NumberOfCodeBlocks, 436 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 929 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 22:45:50,080 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...