/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-MCRwithoutDepranks.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/03-practical_15-exit_problems.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 08:14:33,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 08:14:33,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 08:14:33,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 08:14:33,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 08:14:33,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 08:14:33,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 08:14:33,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 08:14:33,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 08:14:33,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 08:14:33,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 08:14:33,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 08:14:33,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 08:14:33,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 08:14:33,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 08:14:33,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 08:14:33,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 08:14:33,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 08:14:33,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 08:14:33,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 08:14:33,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 08:14:33,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 08:14:33,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 08:14:33,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 08:14:33,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 08:14:33,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 08:14:33,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 08:14:33,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 08:14:33,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 08:14:33,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-10 08:14:33,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 08:14:33,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 08:14:33,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 08:14:33,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 08:14:33,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 08:14:33,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 08:14:33,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 08:14:33,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 08:14:33,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 08:14:33,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 08:14:33,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 08:14:33,138 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-MCRwithoutDepranks.epf [2022-02-10 08:14:33,166 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 08:14:33,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 08:14:33,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 08:14:33,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 08:14:33,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 08:14:33,167 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 08:14:33,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 08:14:33,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 08:14:33,168 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 08:14:33,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 08:14:33,168 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 08:14:33,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 08:14:33,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 08:14:33,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 08:14:33,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 08:14:33,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 08:14:33,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 08:14:33,169 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 08:14:33,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 08:14:33,169 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 08:14:33,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 08:14:33,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 08:14:33,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 08:14:33,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 08:14:33,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 08:14:33,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 08:14:33,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 08:14:33,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 08:14:33,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 08:14:33,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 08:14:33,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 08:14:33,170 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 08:14:33,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-10 08:14:33,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 08:14:33,170 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-10 08:14:33,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 08:14:33,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 08:14:33,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 08:14:33,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 08:14:33,389 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 08:14:33,390 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 08:14:33,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/03-practical_15-exit_problems.i [2022-02-10 08:14:33,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed5e4253d/2e7c3761ea374833ba8aef54f5c0af4a/FLAG67e89988c [2022-02-10 08:14:33,865 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 08:14:33,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/03-practical_15-exit_problems.i [2022-02-10 08:14:33,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed5e4253d/2e7c3761ea374833ba8aef54f5c0af4a/FLAG67e89988c [2022-02-10 08:14:33,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed5e4253d/2e7c3761ea374833ba8aef54f5c0af4a [2022-02-10 08:14:33,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 08:14:33,897 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 08:14:33,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 08:14:33,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 08:14:33,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 08:14:33,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 08:14:33" (1/1) ... [2022-02-10 08:14:33,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df2ffc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:14:33, skipping insertion in model container [2022-02-10 08:14:33,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 08:14:33" (1/1) ... [2022-02-10 08:14:33,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 08:14:33,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 08:14:34,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 08:14:34,232 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 08:14:34,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 08:14:34,288 INFO L208 MainTranslator]: Completed translation [2022-02-10 08:14:34,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:14:34 WrapperNode [2022-02-10 08:14:34,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 08:14:34,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 08:14:34,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 08:14:34,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 08:14:34,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:14:34" (1/1) ... [2022-02-10 08:14:34,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:14:34" (1/1) ... [2022-02-10 08:14:34,322 INFO L137 Inliner]: procedures = 264, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2022-02-10 08:14:34,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 08:14:34,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 08:14:34,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 08:14:34,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 08:14:34,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:14:34" (1/1) ... [2022-02-10 08:14:34,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:14:34" (1/1) ... [2022-02-10 08:14:34,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:14:34" (1/1) ... [2022-02-10 08:14:34,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:14:34" (1/1) ... [2022-02-10 08:14:34,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:14:34" (1/1) ... [2022-02-10 08:14:34,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:14:34" (1/1) ... [2022-02-10 08:14:34,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:14:34" (1/1) ... [2022-02-10 08:14:34,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 08:14:34,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 08:14:34,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 08:14:34,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 08:14:34,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:14:34" (1/1) ... [2022-02-10 08:14:34,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 08:14:34,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 08:14:34,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 08:14:34,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 08:14:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 08:14:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 08:14:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 08:14:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 08:14:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 08:14:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 08:14:34,417 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 08:14:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 08:14:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 08:14:34,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 08:14:34,418 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 08:14:34,509 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 08:14:34,510 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 08:14:34,618 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 08:14:34,624 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 08:14:34,624 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-10 08:14:34,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 08:14:34 BoogieIcfgContainer [2022-02-10 08:14:34,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 08:14:34,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 08:14:34,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 08:14:34,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 08:14:34,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 08:14:33" (1/3) ... [2022-02-10 08:14:34,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71716f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 08:14:34, skipping insertion in model container [2022-02-10 08:14:34,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:14:34" (2/3) ... [2022-02-10 08:14:34,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71716f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 08:14:34, skipping insertion in model container [2022-02-10 08:14:34,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 08:14:34" (3/3) ... [2022-02-10 08:14:34,632 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_15-exit_problems.i [2022-02-10 08:14:34,635 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 08:14:34,636 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 08:14:34,636 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-02-10 08:14:34,636 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 08:14:34,660 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,660 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,660 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,660 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,661 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,661 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,661 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,661 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,661 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,662 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,662 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,662 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,663 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,663 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,663 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,663 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,666 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,666 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,666 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,666 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,671 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,672 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,672 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,672 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,672 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,672 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,672 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:14:34,674 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 08:14:34,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-10 08:14:34,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 08:14:34,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-10 08:14:34,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-10 08:14:34,732 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 08:14:34,738 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 08:14:34,738 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-02-10 08:14:34,753 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 83 transitions, 171 flow [2022-02-10 08:14:34,806 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 628 states, 617 states have (on average 1.9611021069692058) internal successors, (1210), 627 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:14:34,858 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 45 transitions and produced 46 states. [2022-02-10 08:14:34,860 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-10 08:14:34,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:14:34,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1653063317, now seen corresponding path program 1 times [2022-02-10 08:14:34,871 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:14:34,871 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948256947] [2022-02-10 08:14:34,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:14:34,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:14:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:14:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:14:35,041 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:14:35,041 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948256947] [2022-02-10 08:14:35,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948256947] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:14:35,042 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 08:14:35,042 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 08:14:35,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142374624] [2022-02-10 08:14:35,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:14:35,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 08:14:35,046 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:14:35,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 08:14:35,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 08:14:35,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:14:35,064 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:14:35,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:14:35,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:14:35,096 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 53 transitions and produced 54 states. [2022-02-10 08:14:35,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:14:35,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 08:14:35,098 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-10 08:14:35,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:14:35,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1625985729, now seen corresponding path program 1 times [2022-02-10 08:14:35,099 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:14:35,099 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171680030] [2022-02-10 08:14:35,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:14:35,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:14:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:14:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:14:35,148 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:14:35,148 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171680030] [2022-02-10 08:14:35,148 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171680030] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:14:35,148 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 08:14:35,148 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 08:14:35,149 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315584579] [2022-02-10 08:14:35,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:14:35,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 08:14:35,150 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:14:35,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 08:14:35,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 08:14:35,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:14:35,151 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:14:35,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:14:35,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:14:35,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:14:35,211 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 64 transitions and produced 65 states. [2022-02-10 08:14:35,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:14:35,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:14:35,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 08:14:35,212 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-10 08:14:35,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:14:35,213 INFO L85 PathProgramCache]: Analyzing trace with hash -46032434, now seen corresponding path program 1 times [2022-02-10 08:14:35,213 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:14:35,213 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712564761] [2022-02-10 08:14:35,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:14:35,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:14:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:14:35,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:14:35,257 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:14:35,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712564761] [2022-02-10 08:14:35,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712564761] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:14:35,257 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 08:14:35,257 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 08:14:35,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058062988] [2022-02-10 08:14:35,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:14:35,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 08:14:35,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:14:35,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 08:14:35,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 08:14:35,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:14:35,259 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:14:35,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:14:35,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:14:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:14:35,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:14:35,432 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 92 transitions and produced 93 states. [2022-02-10 08:14:35,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:14:35,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:14:35,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:14:35,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 08:14:35,433 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-10 08:14:35,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:14:35,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1826538599, now seen corresponding path program 1 times [2022-02-10 08:14:35,434 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:14:35,435 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147291961] [2022-02-10 08:14:35,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:14:35,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:14:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:14:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:14:35,522 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:14:35,523 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147291961] [2022-02-10 08:14:35,523 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147291961] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:14:35,523 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 08:14:35,523 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 08:14:35,523 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420487778] [2022-02-10 08:14:35,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:14:35,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 08:14:35,524 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:14:35,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 08:14:35,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 08:14:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:14:35,525 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:14:35,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 08:14:35,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:14:35,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:14:35,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:14:35,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:15:41,760 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 26278 transitions and produced 26279 states. [2022-02-10 08:15:41,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:15:41,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:15:41,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:15:41,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 08:15:41,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 08:15:41,764 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-02-10 08:15:41,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:15:41,769 INFO L85 PathProgramCache]: Analyzing trace with hash -252005876, now seen corresponding path program 1 times [2022-02-10 08:15:41,769 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:15:41,770 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850202194] [2022-02-10 08:15:41,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:15:41,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:15:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 08:15:41,816 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 08:15:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 08:15:41,858 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 08:15:41,859 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-10 08:15:41,859 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-02-10 08:15:41,861 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-02-10 08:15:41,861 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-02-10 08:15:41,861 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2022-02-10 08:15:41,861 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-02-10 08:15:41,862 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-02-10 08:15:41,862 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-02-10 08:15:41,862 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-02-10 08:15:41,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 08:15:41,869 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-10 08:15:41,873 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 08:15:41,873 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 08:15:41,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 08:15:41 BasicIcfg [2022-02-10 08:15:41,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 08:15:41,900 INFO L158 Benchmark]: Toolchain (without parser) took 68002.87ms. Allocated memory was 206.6MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 153.1MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. [2022-02-10 08:15:41,901 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 206.6MB. Free memory was 171.9MB in the beginning and 171.8MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 08:15:41,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.11ms. Allocated memory is still 206.6MB. Free memory was 152.9MB in the beginning and 164.7MB in the end (delta: -11.8MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-02-10 08:15:41,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.03ms. Allocated memory is still 206.6MB. Free memory was 164.7MB in the beginning and 162.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 08:15:41,902 INFO L158 Benchmark]: Boogie Preprocessor took 26.26ms. Allocated memory is still 206.6MB. Free memory was 162.6MB in the beginning and 161.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 08:15:41,902 INFO L158 Benchmark]: RCFGBuilder took 275.47ms. Allocated memory is still 206.6MB. Free memory was 161.0MB in the beginning and 149.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-10 08:15:41,903 INFO L158 Benchmark]: TraceAbstraction took 67273.12ms. Allocated memory was 206.6MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 148.4MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. [2022-02-10 08:15:41,904 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 206.6MB. Free memory was 171.9MB in the beginning and 171.8MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 387.11ms. Allocated memory is still 206.6MB. Free memory was 152.9MB in the beginning and 164.7MB in the end (delta: -11.8MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.03ms. Allocated memory is still 206.6MB. Free memory was 164.7MB in the beginning and 162.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.26ms. Allocated memory is still 206.6MB. Free memory was 162.6MB in the beginning and 161.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 275.47ms. Allocated memory is still 206.6MB. Free memory was 161.0MB in the beginning and 149.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 67273.12ms. Allocated memory was 206.6MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 148.4MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L918] 0 int glob; VAL [glob=0] [L919] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex={1:0}] [L920] 0 pthread_mutex_t bad = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [bad={2:0}, glob=0, mutex={1:0}] [L934] 0 pthread_t id; VAL [bad={2:0}, glob=0, id={3:0}, mutex={1:0}] [L935] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, bad={2:0}, glob=0, id={3:0}, mutex={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L936] COND TRUE 0 1 VAL [arg={0:0}, bad={2:0}, glob=0, id={3:0}, mutex={1:0}] [L937] CALL 0 f(&bad) [L923] 0 glob++ VAL [arg={0:0}, bad={2:0}, glob=1, glob++=25, glob++=0, m={2:0}, m={2:0}, mutex={1:0}] [L929] 1 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, mutex={1:0}] [L923] 0 glob++ VAL [arg={0:0}, arg={0:0}, bad={2:0}, glob=1, glob++=25, glob++=0, m={2:0}, m={2:0}, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [929] and C: glob++ [923] - UnprovableResult [Line: 939]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 935]: 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: 929]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: 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, 101 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 67.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 66.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=628occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 171 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-10 08:15:41,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-10 08:15:42,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...