/usr/bin/java -Xmx16000000000 -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-PN-NoLbe-Before.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 05:46:59,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 05:46:59,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 05:46:59,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 05:46:59,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 05:46:59,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 05:46:59,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 05:46:59,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 05:46:59,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 05:46:59,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 05:46:59,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 05:46:59,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 05:46:59,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 05:46:59,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 05:46:59,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 05:46:59,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 05:46:59,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 05:46:59,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 05:46:59,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 05:46:59,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 05:46:59,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 05:46:59,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 05:46:59,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 05:46:59,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 05:46:59,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 05:46:59,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 05:46:59,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 05:46:59,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 05:46:59,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 05:46:59,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 05:46:59,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 05:46:59,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 05:46:59,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 05:46:59,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 05:46:59,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 05:46:59,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 05:46:59,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 05:46:59,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 05:46:59,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 05:46:59,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 05:46:59,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 05:46:59,574 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-PN-NoLbe-Before.epf [2022-01-19 05:46:59,586 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 05:46:59,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 05:46:59,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 05:46:59,587 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 05:46:59,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 05:46:59,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 05:46:59,588 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 05:46:59,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 05:46:59,588 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 05:46:59,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 05:46:59,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 05:46:59,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 05:46:59,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 05:46:59,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 05:46:59,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 05:46:59,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 05:46:59,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 05:46:59,589 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 05:46:59,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 05:46:59,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 05:46:59,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 05:46:59,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 05:46:59,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 05:46:59,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 05:46:59,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 05:46:59,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 05:46:59,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 05:46:59,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 05:46:59,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 05:46:59,590 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 05:46:59,591 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 05:46:59,591 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=BEFORE [2022-01-19 05:46:59,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 05:46:59,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 05:46:59,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 05:46:59,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 05:46:59,759 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 05:46:59,759 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 05:46:59,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-01-19 05:46:59,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0db7f40a8/df0c2390b9c2471ba93bd8bb883d1b9e/FLAG737af549e [2022-01-19 05:47:00,203 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 05:47:00,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-01-19 05:47:00,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0db7f40a8/df0c2390b9c2471ba93bd8bb883d1b9e/FLAG737af549e [2022-01-19 05:47:00,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0db7f40a8/df0c2390b9c2471ba93bd8bb883d1b9e [2022-01-19 05:47:00,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 05:47:00,247 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 05:47:00,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 05:47:00,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 05:47:00,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 05:47:00,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 05:47:00" (1/1) ... [2022-01-19 05:47:00,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5535f988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 05:47:00, skipping insertion in model container [2022-01-19 05:47:00,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 05:47:00" (1/1) ... [2022-01-19 05:47:00,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 05:47:00,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 05:47:00,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i[1094,1107] [2022-01-19 05:47:00,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 05:47:00,632 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 05:47:00,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i[1094,1107] [2022-01-19 05:47:00,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 05:47:00,737 INFO L208 MainTranslator]: Completed translation [2022-01-19 05:47:00,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 05:47:00 WrapperNode [2022-01-19 05:47:00,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 05:47:00,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 05:47:00,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 05:47:00,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 05:47:00,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 05:47:00" (1/1) ... [2022-01-19 05:47:00,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 05:47:00" (1/1) ... [2022-01-19 05:47:00,801 INFO L137 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2022-01-19 05:47:00,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 05:47:00,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 05:47:00,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 05:47:00,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 05:47:00,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 05:47:00" (1/1) ... [2022-01-19 05:47:00,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 05:47:00" (1/1) ... [2022-01-19 05:47:00,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 05:47:00" (1/1) ... [2022-01-19 05:47:00,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 05:47:00" (1/1) ... [2022-01-19 05:47:00,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 05:47:00" (1/1) ... [2022-01-19 05:47:00,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 05:47:00" (1/1) ... [2022-01-19 05:47:00,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 05:47:00" (1/1) ... [2022-01-19 05:47:00,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 05:47:00,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 05:47:00,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 05:47:00,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 05:47:00,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 05:47:00" (1/1) ... [2022-01-19 05:47:00,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 05:47:00,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 05:47:00,878 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) [2022-01-19 05:47:00,879 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 [2022-01-19 05:47:00,909 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-01-19 05:47:00,909 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-01-19 05:47:00,909 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-01-19 05:47:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-01-19 05:47:00,910 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-01-19 05:47:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 05:47:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 05:47:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 05:47:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 05:47:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-19 05:47:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 05:47:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 05:47:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 05:47:00,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 05:47:00,911 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 05:47:01,092 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 05:47:01,093 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 05:47:01,243 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 05:47:01,248 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 05:47:01,248 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 05:47:01,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 05:47:01 BoogieIcfgContainer [2022-01-19 05:47:01,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 05:47:01,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 05:47:01,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 05:47:01,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 05:47:01,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 05:47:00" (1/3) ... [2022-01-19 05:47:01,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a68c09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 05:47:01, skipping insertion in model container [2022-01-19 05:47:01,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 05:47:00" (2/3) ... [2022-01-19 05:47:01,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a68c09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 05:47:01, skipping insertion in model container [2022-01-19 05:47:01,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 05:47:01" (3/3) ... [2022-01-19 05:47:01,257 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2022-01-19 05:47:01,264 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 05:47:01,264 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 05:47:01,264 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 05:47:01,293 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,293 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,293 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,293 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,294 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,294 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,294 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,294 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,294 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,294 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,294 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,294 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,295 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,295 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,295 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,295 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,295 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,295 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,295 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,296 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,296 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,296 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,296 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,296 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,296 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,296 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,296 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,296 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,297 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,297 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,297 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,297 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,297 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,297 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,297 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,298 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,298 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,298 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,298 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,298 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,298 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,298 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,298 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,298 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,299 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,299 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,299 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,299 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,299 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,299 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,301 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,302 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,302 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,302 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,302 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,303 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,304 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,304 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,304 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,304 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,304 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,304 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,304 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,304 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 05:47:01,306 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-19 05:47:01,336 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 05:47:01,341 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=false, mAutomataTypeConcurrency=PETRI_NET, 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 [2022-01-19 05:47:01,341 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-19 05:47:01,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 95 transitions, 206 flow [2022-01-19 05:47:01,378 INFO L129 PetriNetUnfolder]: 1/93 cut-off events. [2022-01-19 05:47:01,378 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-19 05:47:01,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 93 events. 1/93 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2022-01-19 05:47:01,380 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 95 transitions, 206 flow [2022-01-19 05:47:01,383 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 71 transitions, 148 flow [2022-01-19 05:47:01,394 INFO L129 PetriNetUnfolder]: 0/68 cut-off events. [2022-01-19 05:47:01,394 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-19 05:47:01,394 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 05:47:01,395 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 05:47:01,395 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-19 05:47:01,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 05:47:01,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1366006769, now seen corresponding path program 1 times [2022-01-19 05:47:01,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 05:47:01,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117747483] [2022-01-19 05:47:01,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 05:47:01,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 05:47:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 05:47:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 05:47:01,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 05:47:01,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117747483] [2022-01-19 05:47:01,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117747483] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 05:47:01,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 05:47:01,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-19 05:47:01,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148610707] [2022-01-19 05:47:01,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 05:47:01,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-19 05:47:01,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 05:47:01,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-19 05:47:01,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-19 05:47:01,784 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 95 [2022-01-19 05:47:01,787 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 71 transitions, 148 flow. Second operand has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 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) [2022-01-19 05:47:01,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 05:47:01,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 95 [2022-01-19 05:47:01,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 05:47:01,883 INFO L129 PetriNetUnfolder]: 6/114 cut-off events. [2022-01-19 05:47:01,883 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-01-19 05:47:01,884 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 114 events. 6/114 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 222 event pairs, 0 based on Foata normal form. 4/118 useless extension candidates. Maximal degree in co-relation 112. Up to 10 conditions per place. [2022-01-19 05:47:01,885 INFO L132 encePairwiseOnDemand]: 90/95 looper letters, 8 selfloop transitions, 2 changer transitions 10/82 dead transitions. [2022-01-19 05:47:01,885 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 82 transitions, 219 flow [2022-01-19 05:47:01,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 05:47:01,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 05:47:01,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 582 transitions. [2022-01-19 05:47:01,903 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8751879699248121 [2022-01-19 05:47:01,904 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 582 transitions. [2022-01-19 05:47:01,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 582 transitions. [2022-01-19 05:47:01,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 05:47:01,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 582 transitions. [2022-01-19 05:47:01,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 83.14285714285714) internal successors, (582), 7 states have internal predecessors, (582), 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) [2022-01-19 05:47:01,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 95.0) internal successors, (760), 8 states have internal predecessors, (760), 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) [2022-01-19 05:47:01,932 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 95.0) internal successors, (760), 8 states have internal predecessors, (760), 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) [2022-01-19 05:47:01,934 INFO L186 Difference]: Start difference. First operand has 78 places, 71 transitions, 148 flow. Second operand 7 states and 582 transitions. [2022-01-19 05:47:01,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 82 transitions, 219 flow [2022-01-19 05:47:01,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 82 transitions, 214 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-01-19 05:47:01,943 INFO L242 Difference]: Finished difference. Result has 87 places, 71 transitions, 162 flow [2022-01-19 05:47:01,944 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=162, PETRI_PLACES=87, PETRI_TRANSITIONS=71} [2022-01-19 05:47:01,947 INFO L334 CegarLoopForPetriNet]: 78 programPoint places, 9 predicate places. [2022-01-19 05:47:01,947 INFO L470 AbstractCegarLoop]: Abstraction has has 87 places, 71 transitions, 162 flow [2022-01-19 05:47:01,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 81.4) internal successors, (407), 5 states have internal predecessors, (407), 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) [2022-01-19 05:47:01,948 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 05:47:01,949 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 05:47:01,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 05:47:01,950 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-19 05:47:01,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 05:47:01,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1416224719, now seen corresponding path program 1 times [2022-01-19 05:47:01,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 05:47:01,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240028932] [2022-01-19 05:47:01,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 05:47:01,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 05:47:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 05:47:02,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 05:47:02,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 05:47:02,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240028932] [2022-01-19 05:47:02,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240028932] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 05:47:02,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 05:47:02,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 05:47:02,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386468342] [2022-01-19 05:47:02,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 05:47:02,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 05:47:02,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 05:47:02,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 05:47:02,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 05:47:02,107 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 95 [2022-01-19 05:47:02,108 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 71 transitions, 162 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2022-01-19 05:47:02,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 05:47:02,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 95 [2022-01-19 05:47:02,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 05:47:02,145 INFO L129 PetriNetUnfolder]: 3/88 cut-off events. [2022-01-19 05:47:02,146 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 05:47:02,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 88 events. 3/88 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 87 event pairs, 1 based on Foata normal form. 4/90 useless extension candidates. Maximal degree in co-relation 123. Up to 13 conditions per place. [2022-01-19 05:47:02,147 INFO L132 encePairwiseOnDemand]: 90/95 looper letters, 9 selfloop transitions, 5 changer transitions 0/72 dead transitions. [2022-01-19 05:47:02,147 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 72 transitions, 194 flow [2022-01-19 05:47:02,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 05:47:02,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 05:47:02,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2022-01-19 05:47:02,149 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8701754385964913 [2022-01-19 05:47:02,149 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 248 transitions. [2022-01-19 05:47:02,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 248 transitions. [2022-01-19 05:47:02,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 05:47:02,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 248 transitions. [2022-01-19 05:47:02,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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) [2022-01-19 05:47:02,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 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) [2022-01-19 05:47:02,150 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 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) [2022-01-19 05:47:02,151 INFO L186 Difference]: Start difference. First operand has 87 places, 71 transitions, 162 flow. Second operand 3 states and 248 transitions. [2022-01-19 05:47:02,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 72 transitions, 194 flow [2022-01-19 05:47:02,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 72 transitions, 184 flow, removed 4 selfloop flow, removed 5 redundant places. [2022-01-19 05:47:02,154 INFO L242 Difference]: Finished difference. Result has 80 places, 71 transitions, 162 flow [2022-01-19 05:47:02,154 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=80, PETRI_TRANSITIONS=71} [2022-01-19 05:47:02,155 INFO L334 CegarLoopForPetriNet]: 78 programPoint places, 2 predicate places. [2022-01-19 05:47:02,155 INFO L470 AbstractCegarLoop]: Abstraction has has 80 places, 71 transitions, 162 flow [2022-01-19 05:47:02,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2022-01-19 05:47:02,155 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 05:47:02,155 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 05:47:02,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 05:47:02,155 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-19 05:47:02,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 05:47:02,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1264517384, now seen corresponding path program 1 times [2022-01-19 05:47:02,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 05:47:02,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955867727] [2022-01-19 05:47:02,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 05:47:02,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 05:47:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 05:47:02,193 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-19 05:47:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 05:47:02,239 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-19 05:47:02,239 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-19 05:47:02,240 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-19 05:47:02,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-19 05:47:02,242 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-19 05:47:02,243 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-01-19 05:47:02,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 05:47:02,246 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-19 05:47:02,249 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 05:47:02,249 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 05:47:02,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 05:47:02 BasicIcfg [2022-01-19 05:47:02,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 05:47:02,309 INFO L158 Benchmark]: Toolchain (without parser) took 2062.34ms. Allocated memory was 423.6MB in the beginning and 585.1MB in the end (delta: 161.5MB). Free memory was 364.4MB in the beginning and 395.0MB in the end (delta: -30.7MB). Peak memory consumption was 130.6MB. Max. memory is 16.0GB. [2022-01-19 05:47:02,309 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 423.6MB. Free memory is still 383.8MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 05:47:02,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.17ms. Allocated memory was 423.6MB in the beginning and 585.1MB in the end (delta: 161.5MB). Free memory was 364.3MB in the beginning and 529.3MB in the end (delta: -165.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.0GB. [2022-01-19 05:47:02,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.92ms. Allocated memory is still 585.1MB. Free memory was 529.3MB in the beginning and 526.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2022-01-19 05:47:02,310 INFO L158 Benchmark]: Boogie Preprocessor took 48.94ms. Allocated memory is still 585.1MB. Free memory was 526.1MB in the beginning and 524.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 05:47:02,311 INFO L158 Benchmark]: RCFGBuilder took 397.63ms. Allocated memory is still 585.1MB. Free memory was 523.0MB in the beginning and 503.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2022-01-19 05:47:02,311 INFO L158 Benchmark]: TraceAbstraction took 1058.09ms. Allocated memory is still 585.1MB. Free memory was 502.0MB in the beginning and 395.0MB in the end (delta: 107.0MB). Peak memory consumption was 107.0MB. Max. memory is 16.0GB. [2022-01-19 05:47:02,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 423.6MB. Free memory is still 383.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 488.17ms. Allocated memory was 423.6MB in the beginning and 585.1MB in the end (delta: 161.5MB). Free memory was 364.3MB in the beginning and 529.3MB in the end (delta: -165.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 62.92ms. Allocated memory is still 585.1MB. Free memory was 529.3MB in the beginning and 526.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 48.94ms. Allocated memory is still 585.1MB. Free memory was 526.1MB in the beginning and 524.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 397.63ms. Allocated memory is still 585.1MB. Free memory was 523.0MB in the beginning and 503.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * TraceAbstraction took 1058.09ms. Allocated memory is still 585.1MB. Free memory was 502.0MB in the beginning and 395.0MB in the end (delta: 107.0MB). Peak memory consumption was 107.0MB. Max. memory is 16.0GB. * 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; VAL [g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={4:0}] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={5:0}, g=0, mut={4:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}, t2={6:0}] [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, t1={7:0}, t2={6:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={7:0}, t2={6:0}] [L1356] 1 g = 1 VAL [cond={5:0}, g=1, mut={4:0}, ptr={0:0}, ptr={0:0}, ptr={0:0}, ptr={0:0}] [L1366] 2 g = 0 VAL [cond={5:0}, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] [L1358] CALL 1 __VERIFIER_assert(g == 1) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, cond={5:0}, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond={5:0}, cond=0, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] - UnprovableResult [Line: 1377]: 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: 1375]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 127 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.9s, OverallIterations: 3, 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, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 17 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=1, InterpolantAutomatonStates: 10, 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, 0.3s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-01-19 05:47:02,344 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...