/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_01-simple_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 18:20:27,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 18:20:28,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 18:20:28,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-03 18:20:28,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-03 18:20:28,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-03 18:20:28,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-03 18:20:28,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-03 18:20:28,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-03 18:20:28,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-03 18:20:28,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-03 18:20:28,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-03 18:20:28,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 18:20:28,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 18:20:28,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 18:20:28,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 18:20:28,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 18:20:28,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 18:20:28,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 18:20:28,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 18:20:28,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 18:20:28,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 18:20:28,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 18:20:28,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 18:20:28,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-03 18:20:28,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-03 18:20:28,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-03 18:20:28,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-03 18:20:28,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-03 18:20:28,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-03 18:20:28,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-03 18:20:28,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-03 18:20:28,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-03 18:20:28,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-03 18:20:28,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-03 18:20:28,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-03 18:20:28,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-03 18:20:28,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-03 18:20:28,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 18:20:28,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 18:20:28,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 18:20:28,083 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-03 18:20:28,102 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 18:20:28,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 18:20:28,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 18:20:28,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 18:20:28,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 18:20:28,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 18:20:28,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 18:20:28,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 18:20:28,105 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 18:20:28,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 18:20:28,106 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 18:20:28,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 18:20:28,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 18:20:28,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 18:20:28,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 18:20:28,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 18:20:28,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 18:20:28,107 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 18:20:28,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 18:20:28,107 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 18:20:28,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 18:20:28,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 18:20:28,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 18:20:28,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 18:20:28,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 18:20:28,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:20:28,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 18:20:28,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 18:20:28,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 18:20:28,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 18:20:28,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 18:20:28,109 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 18:20:28,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 18:20:28,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-03 18:20:28,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 18:20:28,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 18:20:28,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 18:20:28,275 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 18:20:28,275 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 18:20:28,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_01-simple_rc.i [2022-03-03 18:20:28,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/021b5d00e/192b2bda7b0c4970a29d5ba2b8ee8c01/FLAG0c4a3ecc7 [2022-03-03 18:20:28,648 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 18:20:28,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_01-simple_rc.i [2022-03-03 18:20:28,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/021b5d00e/192b2bda7b0c4970a29d5ba2b8ee8c01/FLAG0c4a3ecc7 [2022-03-03 18:20:29,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/021b5d00e/192b2bda7b0c4970a29d5ba2b8ee8c01 [2022-03-03 18:20:29,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 18:20:29,048 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 18:20:29,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 18:20:29,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 18:20:29,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 18:20:29,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:20:29" (1/1) ... [2022-03-03 18:20:29,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dba0a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:29, skipping insertion in model container [2022-03-03 18:20:29,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 06:20:29" (1/1) ... [2022-03-03 18:20:29,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 18:20:29,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 18:20:29,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:20:29,430 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 18:20:29,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 18:20:29,516 INFO L208 MainTranslator]: Completed translation [2022-03-03 18:20:29,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:29 WrapperNode [2022-03-03 18:20:29,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 18:20:29,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 18:20:29,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 18:20:29,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 18:20:29,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:29" (1/1) ... [2022-03-03 18:20:29,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:29" (1/1) ... [2022-03-03 18:20:29,569 INFO L137 Inliner]: procedures = 262, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2022-03-03 18:20:29,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 18:20:29,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 18:20:29,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 18:20:29,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 18:20:29,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:29" (1/1) ... [2022-03-03 18:20:29,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:29" (1/1) ... [2022-03-03 18:20:29,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:29" (1/1) ... [2022-03-03 18:20:29,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:29" (1/1) ... [2022-03-03 18:20:29,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:29" (1/1) ... [2022-03-03 18:20:29,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:29" (1/1) ... [2022-03-03 18:20:29,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:29" (1/1) ... [2022-03-03 18:20:29,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 18:20:29,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 18:20:29,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 18:20:29,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 18:20:29,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:29" (1/1) ... [2022-03-03 18:20:29,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 18:20:29,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 18:20:29,626 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) [2022-03-03 18:20:29,671 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 [2022-03-03 18:20:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 18:20:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 18:20:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 18:20:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 18:20:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-03 18:20:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 18:20:29,687 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-03 18:20:29,687 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-03 18:20:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 18:20:29,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 18:20:29,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 18:20:29,689 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 18:20:29,814 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 18:20:29,821 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 18:20:29,940 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 18:20:29,944 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 18:20:29,944 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-03 18:20:29,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:20:29 BoogieIcfgContainer [2022-03-03 18:20:29,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 18:20:29,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 18:20:29,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 18:20:29,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 18:20:29,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 06:20:29" (1/3) ... [2022-03-03 18:20:29,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566790fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:20:29, skipping insertion in model container [2022-03-03 18:20:29,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 06:20:29" (2/3) ... [2022-03-03 18:20:29,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566790fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 06:20:29, skipping insertion in model container [2022-03-03 18:20:29,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 06:20:29" (3/3) ... [2022-03-03 18:20:29,953 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_01-simple_rc.i [2022-03-03 18:20:29,956 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 18:20:29,956 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 18:20:29,956 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-03-03 18:20:29,957 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 18:20:29,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,989 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,989 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,990 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,990 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,996 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,996 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 18:20:29,999 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-03 18:20:30,046 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 18:20:30,052 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 18:20:30,052 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-03-03 18:20:30,060 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 77 places, 73 transitions, 154 flow [2022-03-03 18:20:30,096 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 375 states, 364 states have (on average 1.879120879120879) internal successors, (684), 374 states have internal predecessors, (684), 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) [2022-03-03 18:20:30,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 375 states, 364 states have (on average 1.879120879120879) internal successors, (684), 374 states have internal predecessors, (684), 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) [2022-03-03 18:20:30,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-03-03 18:20:30,104 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:30,104 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:20:30,105 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:30,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:30,110 INFO L85 PathProgramCache]: Analyzing trace with hash 2022422589, now seen corresponding path program 1 times [2022-03-03 18:20:30,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:30,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013025089] [2022-03-03 18:20:30,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:30,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:30,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:30,332 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:30,332 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013025089] [2022-03-03 18:20:30,333 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013025089] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:30,333 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:30,333 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:30,334 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647336006] [2022-03-03 18:20:30,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:30,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:30,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:30,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:30,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:30,365 INFO L87 Difference]: Start difference. First operand has 375 states, 364 states have (on average 1.879120879120879) internal successors, (684), 374 states have internal predecessors, (684), 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 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-03-03 18:20:30,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:30,434 INFO L93 Difference]: Finished difference Result 433 states and 792 transitions. [2022-03-03 18:20:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:30,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2022-03-03 18:20:30,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:30,459 INFO L225 Difference]: With dead ends: 433 [2022-03-03 18:20:30,459 INFO L226 Difference]: Without dead ends: 433 [2022-03-03 18:20:30,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:30,463 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 30 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:30,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 134 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:30,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2022-03-03 18:20:30,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 376. [2022-03-03 18:20:30,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 366 states have (on average 1.8688524590163935) internal successors, (684), 375 states have internal predecessors, (684), 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) [2022-03-03 18:20:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 684 transitions. [2022-03-03 18:20:30,529 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 684 transitions. Word has length 33 [2022-03-03 18:20:30,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:30,529 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 684 transitions. [2022-03-03 18:20:30,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-03-03 18:20:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 684 transitions. [2022-03-03 18:20:30,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-03 18:20:30,531 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:30,531 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:20:30,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 18:20:30,532 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:30,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:30,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1604375360, now seen corresponding path program 1 times [2022-03-03 18:20:30,533 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:30,533 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214528377] [2022-03-03 18:20:30,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:30,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:30,615 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:30,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214528377] [2022-03-03 18:20:30,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214528377] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:30,616 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:30,616 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:30,616 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684941783] [2022-03-03 18:20:30,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:30,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:30,617 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:30,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:30,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:30,618 INFO L87 Difference]: Start difference. First operand 376 states and 684 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) [2022-03-03 18:20:30,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:30,640 INFO L93 Difference]: Finished difference Result 399 states and 727 transitions. [2022-03-03 18:20:30,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:30,640 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 [2022-03-03 18:20:30,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:30,642 INFO L225 Difference]: With dead ends: 399 [2022-03-03 18:20:30,642 INFO L226 Difference]: Without dead ends: 390 [2022-03-03 18:20:30,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:30,643 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 20 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:30,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 127 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:30,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2022-03-03 18:20:30,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 375. [2022-03-03 18:20:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 366 states have (on average 1.8579234972677596) internal successors, (680), 374 states have internal predecessors, (680), 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) [2022-03-03 18:20:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 680 transitions. [2022-03-03 18:20:30,652 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 680 transitions. Word has length 37 [2022-03-03 18:20:30,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:30,652 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 680 transitions. [2022-03-03 18:20:30,652 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) [2022-03-03 18:20:30,652 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 680 transitions. [2022-03-03 18:20:30,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-03-03 18:20:30,653 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:30,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:20:30,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 18:20:30,654 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:30,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:30,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1057254702, now seen corresponding path program 1 times [2022-03-03 18:20:30,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:30,654 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827562474] [2022-03-03 18:20:30,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:30,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 18:20:30,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 18:20:30,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 18:20:30,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827562474] [2022-03-03 18:20:30,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827562474] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 18:20:30,696 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 18:20:30,696 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 18:20:30,696 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616337853] [2022-03-03 18:20:30,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 18:20:30,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 18:20:30,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 18:20:30,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 18:20:30,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:30,697 INFO L87 Difference]: Start difference. First operand 375 states and 680 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:30,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 18:20:30,726 INFO L93 Difference]: Finished difference Result 385 states and 698 transitions. [2022-03-03 18:20:30,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 18:20:30,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-03-03 18:20:30,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 18:20:30,728 INFO L225 Difference]: With dead ends: 385 [2022-03-03 18:20:30,728 INFO L226 Difference]: Without dead ends: 385 [2022-03-03 18:20:30,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 18:20:30,729 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 14 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 18:20:30,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 120 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 18:20:30,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-03-03 18:20:30,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 375. [2022-03-03 18:20:30,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 368 states have (on average 1.8451086956521738) internal successors, (679), 374 states have internal predecessors, (679), 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) [2022-03-03 18:20:30,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 679 transitions. [2022-03-03 18:20:30,736 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 679 transitions. Word has length 38 [2022-03-03 18:20:30,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 18:20:30,736 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 679 transitions. [2022-03-03 18:20:30,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 18:20:30,736 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 679 transitions. [2022-03-03 18:20:30,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-03-03 18:20:30,737 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 18:20:30,737 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 18:20:30,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 18:20:30,738 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-03-03 18:20:30,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 18:20:30,738 INFO L85 PathProgramCache]: Analyzing trace with hash -752044369, now seen corresponding path program 1 times [2022-03-03 18:20:30,738 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 18:20:30,738 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561423282] [2022-03-03 18:20:30,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 18:20:30,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 18:20:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:20:30,781 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-03 18:20:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 18:20:30,833 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-03 18:20:30,834 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-03 18:20:30,834 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-03-03 18:20:30,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-03-03 18:20:30,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-03-03 18:20:30,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-03-03 18:20:30,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 8 remaining) [2022-03-03 18:20:30,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-03-03 18:20:30,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-03-03 18:20:30,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-03-03 18:20:30,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-03 18:20:30,840 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-03 18:20:30,843 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 18:20:30,844 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 18:20:30,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 06:20:30 BasicIcfg [2022-03-03 18:20:30,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 18:20:30,877 INFO L158 Benchmark]: Toolchain (without parser) took 1828.44ms. Allocated memory was 190.8MB in the beginning and 278.9MB in the end (delta: 88.1MB). Free memory was 138.9MB in the beginning and 153.4MB in the end (delta: -14.5MB). Peak memory consumption was 72.7MB. Max. memory is 8.0GB. [2022-03-03 18:20:30,877 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 190.8MB. Free memory was 157.1MB in the beginning and 156.9MB in the end (delta: 136.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 18:20:30,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.19ms. Allocated memory was 190.8MB in the beginning and 278.9MB in the end (delta: 88.1MB). Free memory was 138.8MB in the beginning and 240.0MB in the end (delta: -101.2MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2022-03-03 18:20:30,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.99ms. Allocated memory is still 278.9MB. Free memory was 240.0MB in the beginning and 237.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 18:20:30,879 INFO L158 Benchmark]: Boogie Preprocessor took 28.81ms. Allocated memory is still 278.9MB. Free memory was 237.9MB in the beginning and 236.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-03 18:20:30,879 INFO L158 Benchmark]: RCFGBuilder took 346.28ms. Allocated memory is still 278.9MB. Free memory was 236.3MB in the beginning and 223.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-03 18:20:30,880 INFO L158 Benchmark]: TraceAbstraction took 929.26ms. Allocated memory is still 278.9MB. Free memory was 222.6MB in the beginning and 153.4MB in the end (delta: 69.2MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. [2022-03-03 18:20:30,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 190.8MB. Free memory was 157.1MB in the beginning and 156.9MB in the end (delta: 136.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 467.19ms. Allocated memory was 190.8MB in the beginning and 278.9MB in the end (delta: 88.1MB). Free memory was 138.8MB in the beginning and 240.0MB in the end (delta: -101.2MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.99ms. Allocated memory is still 278.9MB. Free memory was 240.0MB in the beginning and 237.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.81ms. Allocated memory is still 278.9MB. Free memory was 237.9MB in the beginning and 236.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 346.28ms. Allocated memory is still 278.9MB. Free memory was 236.3MB in the beginning and 223.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 929.26ms. Allocated memory is still 278.9MB. Free memory was 222.6MB in the beginning and 153.4MB in the end (delta: 69.2MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}, myglobal=0] [L927] 0 pthread_t id; VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L928] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L922] EXPR 1 myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L922] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] [L930] 0 myglobal+1 VAL [arg={0:0}, arg={0:0}, id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] [L922] 1 myglobal=myglobal+1 VAL [arg={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=1, myglobal=myglobal+1=25] Now there is a data race on ~myglobal~0 between C: myglobal+1 [930] and C: myglobal=myglobal+1 [922] - UnprovableResult [Line: 930]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 930]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 928]: 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: 922]: 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, 91 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 381 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 233 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=376occurred in iteration=1, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 82 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-03 18:20:30,927 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...