/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 -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 00:12:55,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 00:12:55,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 00:12:55,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 00:12:55,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 00:12:55,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 00:12:55,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 00:12:55,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 00:12:55,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 00:12:55,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 00:12:55,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 00:12:55,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 00:12:55,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 00:12:55,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 00:12:55,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 00:12:55,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 00:12:55,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 00:12:55,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 00:12:55,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 00:12:55,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 00:12:55,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 00:12:55,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 00:12:55,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 00:12:55,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 00:12:55,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-09 00:12:55,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-09 00:12:55,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-09 00:12:55,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-09 00:12:55,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-09 00:12:55,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-09 00:12:55,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 00:12:55,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 00:12:55,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 00:12:55,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 00:12:55,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 00:12:55,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 00:12:55,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 00:12:55,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 00:12:55,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 00:12:55,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 00:12:55,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 00:12:55,785 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 [2022-02-09 00:12:55,806 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 00:12:55,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 00:12:55,807 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 00:12:55,807 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 00:12:55,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 00:12:55,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 00:12:55,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 00:12:55,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 00:12:55,808 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 00:12:55,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 00:12:55,808 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 00:12:55,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 00:12:55,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 00:12:55,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 00:12:55,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 00:12:55,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 00:12:55,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 00:12:55,809 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 00:12:55,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 00:12:55,809 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 00:12:55,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 00:12:55,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 00:12:55,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 00:12:55,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 00:12:55,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 00:12:55,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 00:12:55,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 00:12:55,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 00:12:55,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 00:12:55,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 00:12:55,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 00:12:55,810 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 00:12:55,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 00:12:55,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 00:12:55,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 00:12:56,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 00:12:56,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 00:12:56,005 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 00:12:56,005 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 00:12:56,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-02-09 00:12:56,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0f05db01/546ca13a16a14a59972907acc68457a9/FLAG61a188154 [2022-02-09 00:12:56,474 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 00:12:56,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-02-09 00:12:56,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0f05db01/546ca13a16a14a59972907acc68457a9/FLAG61a188154 [2022-02-09 00:12:56,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0f05db01/546ca13a16a14a59972907acc68457a9 [2022-02-09 00:12:56,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 00:12:56,496 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 00:12:56,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 00:12:56,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 00:12:56,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 00:12:56,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:12:56" (1/1) ... [2022-02-09 00:12:56,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88fa299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:56, skipping insertion in model container [2022-02-09 00:12:56,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:12:56" (1/1) ... [2022-02-09 00:12:56,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 00:12:56,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 00:12:56,760 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_unknown_1_pos.i[1103,1116] [2022-02-09 00:12:57,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 00:12:57,029 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 00:12:57,037 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_unknown_1_pos.i[1103,1116] [2022-02-09 00:12:57,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 00:12:57,121 INFO L208 MainTranslator]: Completed translation [2022-02-09 00:12:57,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:57 WrapperNode [2022-02-09 00:12:57,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 00:12:57,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 00:12:57,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 00:12:57,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 00:12:57,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:57" (1/1) ... [2022-02-09 00:12:57,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:57" (1/1) ... [2022-02-09 00:12:57,164 INFO L137 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-02-09 00:12:57,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 00:12:57,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 00:12:57,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 00:12:57,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 00:12:57,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:57" (1/1) ... [2022-02-09 00:12:57,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:57" (1/1) ... [2022-02-09 00:12:57,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:57" (1/1) ... [2022-02-09 00:12:57,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:57" (1/1) ... [2022-02-09 00:12:57,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:57" (1/1) ... [2022-02-09 00:12:57,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:57" (1/1) ... [2022-02-09 00:12:57,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:57" (1/1) ... [2022-02-09 00:12:57,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 00:12:57,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 00:12:57,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 00:12:57,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 00:12:57,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:57" (1/1) ... [2022-02-09 00:12:57,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 00:12:57,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 00:12:57,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 00:12:57,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 00:12:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-02-09 00:12:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-02-09 00:12:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-02-09 00:12:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-02-09 00:12:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-02-09 00:12:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 00:12:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 00:12:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 00:12:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 00:12:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 00:12:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 00:12:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 00:12:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 00:12:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 00:12:57,268 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 00:12:57,476 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 00:12:57,477 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 00:12:57,595 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 00:12:57,600 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 00:12:57,600 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 00:12:57,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:12:57 BoogieIcfgContainer [2022-02-09 00:12:57,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 00:12:57,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 00:12:57,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 00:12:57,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 00:12:57,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 12:12:56" (1/3) ... [2022-02-09 00:12:57,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b90489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:12:57, skipping insertion in model container [2022-02-09 00:12:57,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:57" (2/3) ... [2022-02-09 00:12:57,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b90489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:12:57, skipping insertion in model container [2022-02-09 00:12:57,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:12:57" (3/3) ... [2022-02-09 00:12:57,607 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-02-09 00:12:57,610 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 00:12:57,610 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 00:12:57,611 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 00:12:57,611 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 00:12:57,638 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,639 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,639 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,639 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,639 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,639 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,639 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,639 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,640 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,640 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,641 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,641 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,641 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,641 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,642 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,642 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,642 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,642 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,643 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,643 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,644 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,644 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,644 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,644 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,644 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,644 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,645 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,645 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,645 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,645 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,645 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,645 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,645 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,646 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,646 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,646 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,646 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,646 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,646 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,646 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,646 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,647 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,647 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,647 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,647 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,647 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,647 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,648 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,648 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,648 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,650 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,650 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,650 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,651 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,651 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,651 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,651 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,653 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,653 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,653 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,653 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,653 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,653 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,653 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:12:57,656 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-09 00:12:57,684 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 00:12:57,688 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 [2022-02-09 00:12:57,689 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 00:12:57,696 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 101 places, 95 transitions, 206 flow [2022-02-09 00:12:57,746 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 694 states, 693 states have (on average 2.3593073593073592) internal successors, (1635), 693 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:12:57,751 INFO L276 IsEmpty]: Start isEmpty. Operand has 694 states, 693 states have (on average 2.3593073593073592) internal successors, (1635), 693 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:12:57,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-02-09 00:12:57,761 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:12:57,761 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:12:57,762 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 00:12:57,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:12:57,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1499020934, now seen corresponding path program 1 times [2022-02-09 00:12:57,771 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:12:57,771 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015564698] [2022-02-09 00:12:57,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:12:57,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:12:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:12:58,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:12:58,200 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:12:58,200 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015564698] [2022-02-09 00:12:58,200 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015564698] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:12:58,201 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:12:58,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 00:12:58,202 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154993796] [2022-02-09 00:12:58,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:12:58,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 00:12:58,212 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:12:58,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 00:12:58,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 00:12:58,237 INFO L87 Difference]: Start difference. First operand has 694 states, 693 states have (on average 2.3593073593073592) internal successors, (1635), 693 states have internal predecessors, (1635), 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 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:12:58,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:12:58,331 INFO L93 Difference]: Finished difference Result 779 states and 1811 transitions. [2022-02-09 00:12:58,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 00:12:58,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-02-09 00:12:58,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:12:58,348 INFO L225 Difference]: With dead ends: 779 [2022-02-09 00:12:58,349 INFO L226 Difference]: Without dead ends: 487 [2022-02-09 00:12:58,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-09 00:12:58,353 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 63 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:12:58,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 311 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:12:58,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2022-02-09 00:12:58,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2022-02-09 00:12:58,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 486 states have (on average 2.265432098765432) internal successors, (1101), 486 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:12:58,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 1101 transitions. [2022-02-09 00:12:58,409 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 1101 transitions. Word has length 57 [2022-02-09 00:12:58,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:12:58,410 INFO L470 AbstractCegarLoop]: Abstraction has 487 states and 1101 transitions. [2022-02-09 00:12:58,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:12:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1101 transitions. [2022-02-09 00:12:58,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-02-09 00:12:58,417 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:12:58,417 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:12:58,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 00:12:58,418 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 00:12:58,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:12:58,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1684441592, now seen corresponding path program 1 times [2022-02-09 00:12:58,419 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:12:58,420 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512772764] [2022-02-09 00:12:58,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:12:58,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:12:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:12:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:12:58,546 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:12:58,546 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512772764] [2022-02-09 00:12:58,546 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512772764] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:12:58,546 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:12:58,546 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 00:12:58,547 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290215720] [2022-02-09 00:12:58,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:12:58,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 00:12:58,548 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:12:58,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 00:12:58,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-09 00:12:58,551 INFO L87 Difference]: Start difference. First operand 487 states and 1101 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:12:58,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:12:58,634 INFO L93 Difference]: Finished difference Result 240 states and 440 transitions. [2022-02-09 00:12:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 00:12:58,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 61 [2022-02-09 00:12:58,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:12:58,635 INFO L225 Difference]: With dead ends: 240 [2022-02-09 00:12:58,636 INFO L226 Difference]: Without dead ends: 168 [2022-02-09 00:12:58,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-02-09 00:12:58,637 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 98 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-09 00:12:58,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 399 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-09 00:12:58,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-02-09 00:12:58,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2022-02-09 00:12:58,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.7005988023952097) internal successors, (284), 167 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:12:58,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 284 transitions. [2022-02-09 00:12:58,649 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 284 transitions. Word has length 61 [2022-02-09 00:12:58,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:12:58,649 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 284 transitions. [2022-02-09 00:12:58,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 00:12:58,649 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 284 transitions. [2022-02-09 00:12:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-02-09 00:12:58,650 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:12:58,651 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-09 00:12:58,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 00:12:58,651 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 00:12:58,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:12:58,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1425925497, now seen corresponding path program 1 times [2022-02-09 00:12:58,652 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:12:58,652 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512045508] [2022-02-09 00:12:58,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:12:58,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:12:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 00:12:58,694 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 00:12:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 00:12:58,752 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 00:12:58,752 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 00:12:58,753 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-09 00:12:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 00:12:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 00:12:58,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-02-09 00:12:58,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 00:12:58,758 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-09 00:12:58,762 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 00:12:58,762 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 00:12:58,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 12:12:58 BasicIcfg [2022-02-09 00:12:58,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 00:12:58,811 INFO L158 Benchmark]: Toolchain (without parser) took 2314.65ms. Allocated memory was 172.0MB in the beginning and 265.3MB in the end (delta: 93.3MB). Free memory was 111.5MB in the beginning and 207.1MB in the end (delta: -95.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 00:12:58,811 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 172.0MB. Free memory was 130.2MB in the beginning and 130.1MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 00:12:58,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.33ms. Allocated memory was 172.0MB in the beginning and 265.3MB in the end (delta: 93.3MB). Free memory was 111.3MB in the beginning and 211.1MB in the end (delta: -99.7MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. [2022-02-09 00:12:58,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.20ms. Allocated memory is still 265.3MB. Free memory was 211.1MB in the beginning and 208.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-09 00:12:58,812 INFO L158 Benchmark]: Boogie Preprocessor took 31.29ms. Allocated memory is still 265.3MB. Free memory was 208.5MB in the beginning and 206.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 00:12:58,812 INFO L158 Benchmark]: RCFGBuilder took 404.20ms. Allocated memory is still 265.3MB. Free memory was 205.8MB in the beginning and 189.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-09 00:12:58,812 INFO L158 Benchmark]: TraceAbstraction took 1207.99ms. Allocated memory is still 265.3MB. Free memory was 188.5MB in the beginning and 207.1MB in the end (delta: -18.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 00:12:58,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 172.0MB. Free memory was 130.2MB in the beginning and 130.1MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 616.33ms. Allocated memory was 172.0MB in the beginning and 265.3MB in the end (delta: 93.3MB). Free memory was 111.3MB in the beginning and 211.1MB in the end (delta: -99.7MB). Peak memory consumption was 9.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.20ms. Allocated memory is still 265.3MB. Free memory was 211.1MB in the beginning and 208.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.29ms. Allocated memory is still 265.3MB. Free memory was 208.5MB in the beginning and 206.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 404.20ms. Allocated memory is still 265.3MB. Free memory was 205.8MB in the beginning and 189.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1207.99ms. Allocated memory is still 265.3MB. Free memory was 188.5MB in the beginning and 207.1MB in the end (delta: -18.6MB). There was no memory consumed. 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 - 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, 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}] [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=1, mut={4:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, ptr={0:0}, t1={7:0}, t2={6:0}] [L1365] CALL 2 __VERIFIER_assert(g == 0) [L19] COND TRUE 2 !(cond) VAL [\old(cond)=0, cond=0, cond={5:0}, g=1, mut={4:0}, ptr={0:0}, ptr={0:0}] [L19] 2 reach_error() VAL [\old(cond)=0, cond={5:0}, cond=0, g=1, mut={4:0}, ptr={0:0}, ptr={0:0}] - 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. - 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 127 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 710 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 530 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 194 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=694occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 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! [2022-02-09 00:12:58,840 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...