/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 03:06:28,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 03:06:28,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 03:06:28,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 03:06:28,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 03:06:28,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 03:06:28,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 03:06:28,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 03:06:28,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 03:06:28,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 03:06:28,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 03:06:28,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 03:06:28,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 03:06:28,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 03:06:28,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 03:06:28,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 03:06:28,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 03:06:28,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 03:06:28,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 03:06:28,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 03:06:28,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 03:06:28,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 03:06:28,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 03:06:28,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 03:06:28,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 03:06:28,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 03:06:28,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 03:06:28,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 03:06:28,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 03:06:28,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 03:06:28,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 03:06:28,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 03:06:28,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 03:06:28,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 03:06:28,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 03:06:28,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 03:06:28,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 03:06:28,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 03:06:28,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 03:06:28,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 03:06:28,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 03:06:28,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 03:06:28,892 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 03:06:28,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 03:06:28,893 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 03:06:28,893 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 03:06:28,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 03:06:28,894 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 03:06:28,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 03:06:28,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 03:06:28,894 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 03:06:28,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 03:06:28,895 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 03:06:28,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 03:06:28,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 03:06:28,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 03:06:28,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 03:06:28,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 03:06:28,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 03:06:28,896 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 03:06:28,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 03:06:28,896 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 03:06:28,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 03:06:28,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 03:06:28,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 03:06:28,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 03:06:28,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 03:06:28,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:06:28,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 03:06:28,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 03:06:28,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 03:06:28,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 03:06:28,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 03:06:28,897 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 03:06:28,898 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 03:06:28,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 03:06:28,898 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 03:06:28,898 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 03:06:28,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-11-16 03:06:29,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 03:06:29,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 03:06:29,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 03:06:29,146 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 03:06:29,147 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 03:06:29,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2022-11-16 03:06:29,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c0b3cad/24c8def63c1441e5af0d38c01dbfae0c/FLAG1b853c18a [2022-11-16 03:06:29,677 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 03:06:29,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2022-11-16 03:06:29,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c0b3cad/24c8def63c1441e5af0d38c01dbfae0c/FLAG1b853c18a [2022-11-16 03:06:29,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45c0b3cad/24c8def63c1441e5af0d38c01dbfae0c [2022-11-16 03:06:29,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 03:06:29,705 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 03:06:29,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 03:06:29,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 03:06:29,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 03:06:29,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:06:29" (1/1) ... [2022-11-16 03:06:29,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7254ddd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:29, skipping insertion in model container [2022-11-16 03:06:29,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:06:29" (1/1) ... [2022-11-16 03:06:29,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 03:06:29,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 03:06:29,885 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i[1092,1105] [2022-11-16 03:06:29,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:06:30,012 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 03:06:30,026 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i[1092,1105] [2022-11-16 03:06:30,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:06:30,089 INFO L208 MainTranslator]: Completed translation [2022-11-16 03:06:30,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:30 WrapperNode [2022-11-16 03:06:30,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 03:06:30,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 03:06:30,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 03:06:30,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 03:06:30,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:30" (1/1) ... [2022-11-16 03:06:30,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:30" (1/1) ... [2022-11-16 03:06:30,156 INFO L138 Inliner]: procedures = 165, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 129 [2022-11-16 03:06:30,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 03:06:30,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 03:06:30,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 03:06:30,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 03:06:30,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:30" (1/1) ... [2022-11-16 03:06:30,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:30" (1/1) ... [2022-11-16 03:06:30,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:30" (1/1) ... [2022-11-16 03:06:30,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:30" (1/1) ... [2022-11-16 03:06:30,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:30" (1/1) ... [2022-11-16 03:06:30,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:30" (1/1) ... [2022-11-16 03:06:30,192 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:30" (1/1) ... [2022-11-16 03:06:30,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:30" (1/1) ... [2022-11-16 03:06:30,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 03:06:30,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 03:06:30,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 03:06:30,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 03:06:30,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:30" (1/1) ... [2022-11-16 03:06:30,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:06:30,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:06:30,249 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) [2022-11-16 03:06:30,271 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 [2022-11-16 03:06:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-11-16 03:06:30,291 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-11-16 03:06:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 03:06:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 03:06:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 03:06:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 03:06:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2022-11-16 03:06:30,291 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2022-11-16 03:06:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 03:06:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 03:06:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 03:06:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 03:06:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 03:06:30,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 03:06:30,294 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 03:06:30,443 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 03:06:30,445 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 03:06:30,710 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 03:06:30,718 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 03:06:30,718 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 03:06:30,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:06:30 BoogieIcfgContainer [2022-11-16 03:06:30,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 03:06:30,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 03:06:30,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 03:06:30,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 03:06:30,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:06:29" (1/3) ... [2022-11-16 03:06:30,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d86b8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:06:30, skipping insertion in model container [2022-11-16 03:06:30,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:30" (2/3) ... [2022-11-16 03:06:30,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d86b8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:06:30, skipping insertion in model container [2022-11-16 03:06:30,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:06:30" (3/3) ... [2022-11-16 03:06:30,732 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2022-11-16 03:06:30,740 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 03:06:30,748 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 03:06:30,749 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-16 03:06:30,749 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 03:06:30,833 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 03:06:30,888 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:06:30,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 03:06:30,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:06:30,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-16 03:06:30,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-16 03:06:30,932 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 03:06:30,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t3_funThread1of1ForFork0 ======== [2022-11-16 03:06:30,950 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3f15d744, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:06:30,950 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 03:06:31,383 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 03:06:31,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:31,390 INFO L85 PathProgramCache]: Analyzing trace with hash 574249808, now seen corresponding path program 1 times [2022-11-16 03:06:31,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:31,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240936905] [2022-11-16 03:06:31,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:31,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:32,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:32,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:32,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240936905] [2022-11-16 03:06:32,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240936905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:32,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:32,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:06:32,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135944941] [2022-11-16 03:06:32,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:32,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:06:32,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:32,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:06:32,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:06:32,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:32,105 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:32,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 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) [2022-11-16 03:06:32,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:32,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 03:06:32,292 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 03:06:32,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:32,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1825157714, now seen corresponding path program 1 times [2022-11-16 03:06:32,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:32,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748390314] [2022-11-16 03:06:32,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:32,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:32,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:32,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:32,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748390314] [2022-11-16 03:06:32,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748390314] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:32,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:32,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:06:32,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525130851] [2022-11-16 03:06:32,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:32,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:06:32,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:32,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:06:32,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:06:32,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:32,703 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:32,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 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) [2022-11-16 03:06:32,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:32,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:36,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:36,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:36,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 03:06:36,136 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 03:06:36,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:36,137 INFO L85 PathProgramCache]: Analyzing trace with hash 342320375, now seen corresponding path program 1 times [2022-11-16 03:06:36,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:36,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512597395] [2022-11-16 03:06:36,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:36,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:36,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:36,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:36,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512597395] [2022-11-16 03:06:36,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512597395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:36,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:36,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 03:06:36,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402253728] [2022-11-16 03:06:36,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:36,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 03:06:36,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:36,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 03:06:36,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 03:06:36,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:36,260 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:36,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2022-11-16 03:06:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:37,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:37,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:37,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:37,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 03:06:37,368 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 03:06:37,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:37,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1803703064, now seen corresponding path program 1 times [2022-11-16 03:06:37,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:37,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556438876] [2022-11-16 03:06:37,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:37,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:37,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:37,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:37,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556438876] [2022-11-16 03:06:37,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556438876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:37,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:37,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 03:06:37,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297326016] [2022-11-16 03:06:37,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:37,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 03:06:37,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:37,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 03:06:37,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 03:06:37,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:37,659 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:37,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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) [2022-11-16 03:06:37,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:37,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:37,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:37,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:06:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:38,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 03:06:38,877 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 03:06:38,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:38,878 INFO L85 PathProgramCache]: Analyzing trace with hash -50865159, now seen corresponding path program 1 times [2022-11-16 03:06:38,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:38,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627683904] [2022-11-16 03:06:38,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:38,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:39,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:39,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627683904] [2022-11-16 03:06:39,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627683904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:39,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:39,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:06:39,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126957292] [2022-11-16 03:06:39,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:39,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:06:39,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:39,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:06:39,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:06:39,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:39,038 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:39,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 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) [2022-11-16 03:06:39,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:06:39,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:39,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:39,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:39,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:39,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:06:39,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:39,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:39,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:39,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:06:39,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 03:06:39,931 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 03:06:39,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:39,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1265219561, now seen corresponding path program 1 times [2022-11-16 03:06:39,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:39,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590632129] [2022-11-16 03:06:39,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:39,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:40,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:40,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:40,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590632129] [2022-11-16 03:06:40,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590632129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:40,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:40,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:06:40,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469765706] [2022-11-16 03:06:40,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:40,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:06:40,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:40,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:06:40,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:06:40,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:40,123 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:40,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 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) [2022-11-16 03:06:40,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:06:40,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:40,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:40,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:40,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:06:40,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:43,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:06:43,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:43,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:43,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:43,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 03:06:43,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:06:43,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t3_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 03:06:43,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 03:06:43,412 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-16 03:06:43,414 INFO L307 ceAbstractionStarter]: Result for error location t3_funThread1of1ForFork0 was SAFE (1/3) [2022-11-16 03:06:43,418 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:06:43,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 03:06:43,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:06:43,423 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-16 03:06:43,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-16 03:06:43,429 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 03:06:43,430 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 03:06:43,430 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3f15d744, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:06:43,431 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-16 03:06:43,576 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:06:43,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:43,576 INFO L85 PathProgramCache]: Analyzing trace with hash -870332568, now seen corresponding path program 1 times [2022-11-16 03:06:43,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:43,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221954096] [2022-11-16 03:06:43,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:43,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:43,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:43,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221954096] [2022-11-16 03:06:43,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221954096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:43,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:43,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:06:43,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658121795] [2022-11-16 03:06:43,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:43,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:06:43,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:43,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:06:43,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:06:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:43,776 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:43,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 8 states have internal predecessors, (125), 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) [2022-11-16 03:06:43,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:43,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:43,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 03:06:43,867 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:06:43,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:43,867 INFO L85 PathProgramCache]: Analyzing trace with hash -757252794, now seen corresponding path program 1 times [2022-11-16 03:06:43,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:43,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547141142] [2022-11-16 03:06:43,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:43,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:44,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:44,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:44,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547141142] [2022-11-16 03:06:44,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547141142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:44,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:44,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:06:44,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693220071] [2022-11-16 03:06:44,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:44,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:06:44,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:44,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:06:44,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:06:44,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:44,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:44,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 8 states have internal predecessors, (127), 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) [2022-11-16 03:06:44,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:44,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:44,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:44,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 03:06:44,266 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:06:44,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:44,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1555415928, now seen corresponding path program 1 times [2022-11-16 03:06:44,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:44,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901588788] [2022-11-16 03:06:44,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:44,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:44,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:44,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901588788] [2022-11-16 03:06:44,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901588788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:44,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:44,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:06:44,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332834416] [2022-11-16 03:06:44,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:44,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:06:44,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:44,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:06:44,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:06:44,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:44,535 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:44,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 8 states have internal predecessors, (129), 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) [2022-11-16 03:06:44,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:44,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:44,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:49,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:49,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:06:49,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:06:49,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 03:06:49,124 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:06:49,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:49,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1072122332, now seen corresponding path program 2 times [2022-11-16 03:06:49,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:49,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078918902] [2022-11-16 03:06:49,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:49,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:49,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:49,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:49,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078918902] [2022-11-16 03:06:49,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078918902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:49,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:49,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 03:06:49,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353262264] [2022-11-16 03:06:49,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:49,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 03:06:49,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:49,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 03:06:49,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 03:06:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:49,226 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:49,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2022-11-16 03:06:49,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:49,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:06:49,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:06:49,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:06:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 03:06:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:51,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 03:06:51,299 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:06:51,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:51,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1273593552, now seen corresponding path program 1 times [2022-11-16 03:06:51,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:51,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411224958] [2022-11-16 03:06:51,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:51,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:51,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:51,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411224958] [2022-11-16 03:06:51,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411224958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:51,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:51,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 03:06:51,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333128255] [2022-11-16 03:06:51,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:51,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 03:06:51,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:51,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 03:06:51,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 03:06:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:51,617 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:51,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2022-11-16 03:06:51,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:51,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:06:51,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 03:06:51,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:51,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:06:53,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 03:06:53,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:53,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:53,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:53,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 03:06:53,939 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:06:53,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:53,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1625920431, now seen corresponding path program 1 times [2022-11-16 03:06:53,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:53,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530185720] [2022-11-16 03:06:53,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:53,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:54,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:54,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:54,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530185720] [2022-11-16 03:06:54,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530185720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:54,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:54,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:06:54,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235229050] [2022-11-16 03:06:54,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:54,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:06:54,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:54,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:06:54,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:06:54,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:54,071 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:54,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 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) [2022-11-16 03:06:54,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:06:54,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 03:06:54,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:54,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:54,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:54,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:56,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:06:56,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 03:06:56,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:56,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:56,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:06:56,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 03:06:56,243 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:06:56,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:56,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1027716113, now seen corresponding path program 1 times [2022-11-16 03:06:56,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:56,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530597772] [2022-11-16 03:06:56,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:56,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:56,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:56,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530597772] [2022-11-16 03:06:56,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530597772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:56,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:56,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:06:56,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269048573] [2022-11-16 03:06:56,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:56,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:06:56,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:56,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:06:56,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:06:56,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:56,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:56,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 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) [2022-11-16 03:06:56,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:06:56,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 03:06:56,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:56,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:56,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:56,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:06:56,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:58,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:06:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:06:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:58,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 03:06:58,229 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:06:58,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:58,229 INFO L85 PathProgramCache]: Analyzing trace with hash 522339569, now seen corresponding path program 1 times [2022-11-16 03:06:58,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:58,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42665553] [2022-11-16 03:06:58,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:58,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:58,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:58,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:58,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42665553] [2022-11-16 03:06:58,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42665553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:58,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:58,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:06:58,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357734930] [2022-11-16 03:06:58,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:58,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:06:58,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:58,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:06:58,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:06:58,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:58,412 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:58,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-11-16 03:06:58,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:06:58,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:58,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:58,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:06:58,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:06:58,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:06:58,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:06:58,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:07:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:07:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:07:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:07:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:07:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:07:02,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 03:07:02,147 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:07:02,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:07:02,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1180780856, now seen corresponding path program 2 times [2022-11-16 03:07:02,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:07:02,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130755497] [2022-11-16 03:07:02,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:07:02,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:07:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:07:02,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:07:02,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:07:02,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130755497] [2022-11-16 03:07:02,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130755497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:07:02,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:07:02,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 03:07:02,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364486905] [2022-11-16 03:07:02,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:07:02,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 03:07:02,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:07:02,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 03:07:02,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 03:07:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:02,432 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:07:02,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 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) [2022-11-16 03:07:02,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:07:02,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:02,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:02,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:07:02,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:07:02,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:07:02,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:07:02,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:07:02,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:11,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 03:07:11,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:11,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:11,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:07:11,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:07:11,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:07:11,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:07:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:07:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:07:11,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-11-16 03:07:11,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-11-16 03:07:11,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-11-16 03:07:11,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-11-16 03:07:11,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-11-16 03:07:11,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 03:07:11,062 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1] [2022-11-16 03:07:11,062 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE (2/3) [2022-11-16 03:07:11,065 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:07:11,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 03:07:11,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:07:11,107 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-16 03:07:11,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-11-16 03:07:11,114 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 03:07:11,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork2 ======== [2022-11-16 03:07:11,115 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3f15d744, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:07:11,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 03:07:11,231 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 03:07:11,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:07:11,232 INFO L85 PathProgramCache]: Analyzing trace with hash 816630730, now seen corresponding path program 1 times [2022-11-16 03:07:11,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:07:11,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499989760] [2022-11-16 03:07:11,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:07:11,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:07:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:07:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:07:11,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:07:11,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499989760] [2022-11-16 03:07:11,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499989760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:07:11,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:07:11,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:07:11,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784093425] [2022-11-16 03:07:11,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:07:11,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:07:11,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:07:11,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:07:11,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:07:11,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:11,365 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:07:11,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 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) [2022-11-16 03:07:11,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:12,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:12,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 03:07:12,535 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 03:07:12,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:07:12,535 INFO L85 PathProgramCache]: Analyzing trace with hash 652388717, now seen corresponding path program 1 times [2022-11-16 03:07:12,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:07:12,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005704124] [2022-11-16 03:07:12,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:07:12,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:07:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:07:12,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:07:12,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:07:12,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005704124] [2022-11-16 03:07:12,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005704124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:07:12,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:07:12,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 03:07:12,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519295867] [2022-11-16 03:07:12,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:07:12,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 03:07:12,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:07:12,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 03:07:12,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 03:07:12,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:12,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:07:12,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2022-11-16 03:07:12,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:12,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:07:13,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 03:07:13,038 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 03:07:13,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:07:13,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1161578073, now seen corresponding path program 2 times [2022-11-16 03:07:13,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:07:13,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331905170] [2022-11-16 03:07:13,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:07:13,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:07:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:07:13,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:07:13,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:07:13,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331905170] [2022-11-16 03:07:13,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331905170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:07:13,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:07:13,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 03:07:13,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766468696] [2022-11-16 03:07:13,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:07:13,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 03:07:13,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:07:13,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 03:07:13,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 03:07:13,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:13,205 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:07:13,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 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) [2022-11-16 03:07:13,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:13,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:07:13,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:13,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:13,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:07:13,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:07:13,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 03:07:13,400 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 03:07:13,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:07:13,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1270571555, now seen corresponding path program 1 times [2022-11-16 03:07:13,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:07:13,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130721541] [2022-11-16 03:07:13,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:07:13,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:07:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:07:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:07:13,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:07:13,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130721541] [2022-11-16 03:07:13,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130721541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:07:13,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:07:13,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:07:13,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079831806] [2022-11-16 03:07:13,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:07:13,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:07:13,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:07:13,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:07:13,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:07:13,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:13,494 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:07:13,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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) [2022-11-16 03:07:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:07:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:07:13,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:07:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:07:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:07:13,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 03:07:13,927 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 03:07:13,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:07:13,927 INFO L85 PathProgramCache]: Analyzing trace with hash -2018528981, now seen corresponding path program 1 times [2022-11-16 03:07:13,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:07:13,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241380735] [2022-11-16 03:07:13,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:07:13,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:07:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:07:14,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:07:14,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:07:14,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241380735] [2022-11-16 03:07:14,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241380735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:07:14,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:07:14,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 03:07:14,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198118775] [2022-11-16 03:07:14,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:07:14,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 03:07:14,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:07:14,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 03:07:14,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 03:07:14,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:14,126 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:07:14,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 8 states have internal predecessors, (103), 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) [2022-11-16 03:07:14,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:14,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:07:14,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:07:14,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:07:14,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:14,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:14,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:07:14,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:07:14,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:07:14,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:07:14,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 03:07:14,466 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 03:07:14,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:07:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash 121965421, now seen corresponding path program 1 times [2022-11-16 03:07:14,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:07:14,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875226017] [2022-11-16 03:07:14,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:07:14,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:07:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:07:14,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:07:14,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:07:14,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875226017] [2022-11-16 03:07:14,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875226017] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:07:14,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:07:14,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 03:07:14,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778246781] [2022-11-16 03:07:14,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:07:14,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 03:07:14,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:07:14,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 03:07:14,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 03:07:14,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:14,621 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:07:14,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 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) [2022-11-16 03:07:14,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:14,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:07:14,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:07:14,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:07:14,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:07:14,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:07:15,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 03:07:15,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 03:07:15,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:07:15,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 03:07:15,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 03:07:15,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 03:07:15,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 03:07:15,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 03:07:15,230 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-11-16 03:07:15,230 INFO L307 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork2 was SAFE (3/3) [2022-11-16 03:07:15,231 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 03:07:15,231 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 03:07:15,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 03:07:15 BasicIcfg [2022-11-16 03:07:15,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 03:07:15,235 INFO L158 Benchmark]: Toolchain (without parser) took 45529.67ms. Allocated memory was 259.0MB in the beginning and 7.2GB in the end (delta: 6.9GB). Free memory was 231.6MB in the beginning and 5.8GB in the end (delta: -5.6GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-11-16 03:07:15,235 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 03:07:15,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.54ms. Allocated memory is still 259.0MB. Free memory was 231.5MB in the beginning and 219.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-11-16 03:07:15,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.57ms. Allocated memory is still 259.0MB. Free memory was 219.9MB in the beginning and 217.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-16 03:07:15,236 INFO L158 Benchmark]: Boogie Preprocessor took 49.72ms. Allocated memory is still 259.0MB. Free memory was 217.3MB in the beginning and 215.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 03:07:15,236 INFO L158 Benchmark]: RCFGBuilder took 512.60ms. Allocated memory is still 259.0MB. Free memory was 215.6MB in the beginning and 197.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-11-16 03:07:15,236 INFO L158 Benchmark]: TraceAbstraction took 44512.52ms. Allocated memory was 259.0MB in the beginning and 7.2GB in the end (delta: 6.9GB). Free memory was 197.4MB in the beginning and 5.8GB in the end (delta: -5.6GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-11-16 03:07:15,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 383.54ms. Allocated memory is still 259.0MB. Free memory was 231.5MB in the beginning and 219.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.57ms. Allocated memory is still 259.0MB. Free memory was 219.9MB in the beginning and 217.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.72ms. Allocated memory is still 259.0MB. Free memory was 217.3MB in the beginning and 215.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 512.60ms. Allocated memory is still 259.0MB. Free memory was 215.6MB in the beginning and 197.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 44512.52ms. Allocated memory was 259.0MB in the beginning and 7.2GB in the end (delta: 6.9GB). Free memory was 197.4MB in the beginning and 5.8GB in the end (delta: -5.6GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 517381, independent: 504022, independent conditional: 495613, independent unconditional: 8409, dependent: 13359, dependent conditional: 13254, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 512507, independent: 504022, independent conditional: 495613, independent unconditional: 8409, dependent: 8485, dependent conditional: 8380, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 512507, independent: 504022, independent conditional: 495613, independent unconditional: 8409, dependent: 8485, dependent conditional: 8380, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 545183, independent: 504022, independent conditional: 5219, independent unconditional: 498803, dependent: 41161, dependent conditional: 27457, dependent unconditional: 13704, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 545183, independent: 504022, independent conditional: 5219, independent unconditional: 498803, dependent: 41161, dependent conditional: 5656, dependent unconditional: 35505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 545183, independent: 504022, independent conditional: 5219, independent unconditional: 498803, dependent: 41161, dependent conditional: 5656, dependent unconditional: 35505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8637, independent: 8456, independent conditional: 47, independent unconditional: 8409, dependent: 181, dependent conditional: 76, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8637, independent: 8321, independent conditional: 0, independent unconditional: 8321, dependent: 316, dependent conditional: 0, dependent unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 316, independent: 135, independent conditional: 47, independent unconditional: 88, dependent: 181, dependent conditional: 76, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 316, independent: 135, independent conditional: 47, independent unconditional: 88, dependent: 181, dependent conditional: 76, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 695, independent: 345, independent conditional: 87, independent unconditional: 257, dependent: 350, dependent conditional: 129, dependent unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 545183, independent: 495566, independent conditional: 5172, independent unconditional: 490394, dependent: 40980, dependent conditional: 5580, dependent unconditional: 35400, unknown: 8637, unknown conditional: 123, unknown unconditional: 8514] , Statistics on independence cache: Total cache size (in pairs): 8637, Positive cache size: 8456, Positive conditional cache size: 47, Positive unconditional cache size: 8409, Negative cache size: 181, Negative conditional cache size: 76, Negative unconditional cache size: 105, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21801, Maximal queried relation: 6, Independence queries for same thread: 4874 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.9s, Number of persistent set computation: 35478, Number of trivial persistent sets: 18428, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8514, independent: 8409, independent conditional: 0, independent unconditional: 8409, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 517381, independent: 504022, independent conditional: 495613, independent unconditional: 8409, dependent: 13359, dependent conditional: 13254, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 512507, independent: 504022, independent conditional: 495613, independent unconditional: 8409, dependent: 8485, dependent conditional: 8380, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 512507, independent: 504022, independent conditional: 495613, independent unconditional: 8409, dependent: 8485, dependent conditional: 8380, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 545183, independent: 504022, independent conditional: 5219, independent unconditional: 498803, dependent: 41161, dependent conditional: 27457, dependent unconditional: 13704, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 545183, independent: 504022, independent conditional: 5219, independent unconditional: 498803, dependent: 41161, dependent conditional: 5656, dependent unconditional: 35505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 545183, independent: 504022, independent conditional: 5219, independent unconditional: 498803, dependent: 41161, dependent conditional: 5656, dependent unconditional: 35505, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8637, independent: 8456, independent conditional: 47, independent unconditional: 8409, dependent: 181, dependent conditional: 76, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8637, independent: 8321, independent conditional: 0, independent unconditional: 8321, dependent: 316, dependent conditional: 0, dependent unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 316, independent: 135, independent conditional: 47, independent unconditional: 88, dependent: 181, dependent conditional: 76, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 316, independent: 135, independent conditional: 47, independent unconditional: 88, dependent: 181, dependent conditional: 76, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 695, independent: 345, independent conditional: 87, independent unconditional: 257, dependent: 350, dependent conditional: 129, dependent unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 545183, independent: 495566, independent conditional: 5172, independent unconditional: 490394, dependent: 40980, dependent conditional: 5580, dependent unconditional: 35400, unknown: 8637, unknown conditional: 123, unknown unconditional: 8514] , Statistics on independence cache: Total cache size (in pairs): 8637, Positive cache size: 8456, Positive conditional cache size: 47, Positive unconditional cache size: 8409, Negative cache size: 181, Negative conditional cache size: 76, Negative unconditional cache size: 105, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 21801, Maximal queried relation: 6, Independence queries for same thread: 4874 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2222171, independent: 2184360, independent conditional: 2175459, independent unconditional: 8901, dependent: 37811, dependent conditional: 37705, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2196401, independent: 2184360, independent conditional: 2175459, independent unconditional: 8901, dependent: 12041, dependent conditional: 11935, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2196401, independent: 2184360, independent conditional: 2175459, independent unconditional: 8901, dependent: 12041, dependent conditional: 11935, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2264833, independent: 2184360, independent conditional: 12465, independent unconditional: 2171895, dependent: 80473, dependent conditional: 55967, dependent unconditional: 24506, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2264833, independent: 2184360, independent conditional: 12465, independent unconditional: 2171895, dependent: 80473, dependent conditional: 10639, dependent unconditional: 69834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2264833, independent: 2184360, independent conditional: 12465, independent unconditional: 2171895, dependent: 80473, dependent conditional: 10639, dependent unconditional: 69834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9153, independent: 8971, independent conditional: 70, independent unconditional: 8901, dependent: 182, dependent conditional: 76, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9153, independent: 8814, independent conditional: 0, independent unconditional: 8814, dependent: 339, dependent conditional: 0, dependent unconditional: 339, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 339, independent: 157, independent conditional: 70, independent unconditional: 87, dependent: 182, dependent conditional: 76, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 339, independent: 157, independent conditional: 70, independent unconditional: 87, dependent: 182, dependent conditional: 76, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 500, independent: 231, independent conditional: 100, independent unconditional: 131, dependent: 269, dependent conditional: 126, dependent unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2264833, independent: 2175389, independent conditional: 12395, independent unconditional: 2162994, dependent: 80291, dependent conditional: 10563, dependent unconditional: 69728, unknown: 9153, unknown conditional: 146, unknown unconditional: 9007] , Statistics on independence cache: Total cache size (in pairs): 9153, Positive cache size: 8971, Positive conditional cache size: 70, Positive unconditional cache size: 8901, Negative cache size: 182, Negative conditional cache size: 76, Negative unconditional cache size: 106, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45328, Maximal queried relation: 9, Independence queries for same thread: 25770 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 3.3s, Number of persistent set computation: 134460, Number of trivial persistent sets: 134460, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9007, independent: 8901, independent conditional: 0, independent unconditional: 8901, dependent: 106, dependent conditional: 0, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2222171, independent: 2184360, independent conditional: 2175459, independent unconditional: 8901, dependent: 37811, dependent conditional: 37705, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2196401, independent: 2184360, independent conditional: 2175459, independent unconditional: 8901, dependent: 12041, dependent conditional: 11935, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2196401, independent: 2184360, independent conditional: 2175459, independent unconditional: 8901, dependent: 12041, dependent conditional: 11935, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2264833, independent: 2184360, independent conditional: 12465, independent unconditional: 2171895, dependent: 80473, dependent conditional: 55967, dependent unconditional: 24506, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2264833, independent: 2184360, independent conditional: 12465, independent unconditional: 2171895, dependent: 80473, dependent conditional: 10639, dependent unconditional: 69834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2264833, independent: 2184360, independent conditional: 12465, independent unconditional: 2171895, dependent: 80473, dependent conditional: 10639, dependent unconditional: 69834, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9153, independent: 8971, independent conditional: 70, independent unconditional: 8901, dependent: 182, dependent conditional: 76, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9153, independent: 8814, independent conditional: 0, independent unconditional: 8814, dependent: 339, dependent conditional: 0, dependent unconditional: 339, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 339, independent: 157, independent conditional: 70, independent unconditional: 87, dependent: 182, dependent conditional: 76, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 339, independent: 157, independent conditional: 70, independent unconditional: 87, dependent: 182, dependent conditional: 76, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 500, independent: 231, independent conditional: 100, independent unconditional: 131, dependent: 269, dependent conditional: 126, dependent unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2264833, independent: 2175389, independent conditional: 12395, independent unconditional: 2162994, dependent: 80291, dependent conditional: 10563, dependent unconditional: 69728, unknown: 9153, unknown conditional: 146, unknown unconditional: 9007] , Statistics on independence cache: Total cache size (in pairs): 9153, Positive cache size: 8971, Positive conditional cache size: 70, Positive unconditional cache size: 8901, Negative cache size: 182, Negative conditional cache size: 76, Negative unconditional cache size: 106, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 45328, Maximal queried relation: 9, Independence queries for same thread: 25770 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 218273, independent: 210766, independent conditional: 202712, independent unconditional: 8054, dependent: 7507, dependent conditional: 7401, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 216396, independent: 210766, independent conditional: 202712, independent unconditional: 8054, dependent: 5630, dependent conditional: 5524, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 216396, independent: 210766, independent conditional: 202712, independent unconditional: 8054, dependent: 5630, dependent conditional: 5524, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 229056, independent: 210766, independent conditional: 2579, independent unconditional: 208187, dependent: 18290, dependent conditional: 10081, dependent unconditional: 8209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 229056, independent: 210766, independent conditional: 2579, independent unconditional: 208187, dependent: 18290, dependent conditional: 2982, dependent unconditional: 15308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 229056, independent: 210766, independent conditional: 2579, independent unconditional: 208187, dependent: 18290, dependent conditional: 2982, dependent unconditional: 15308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8302, independent: 8120, independent conditional: 66, independent unconditional: 8054, dependent: 182, dependent conditional: 76, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8302, independent: 7966, independent conditional: 0, independent unconditional: 7966, dependent: 336, dependent conditional: 0, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 336, independent: 154, independent conditional: 66, independent unconditional: 88, dependent: 182, dependent conditional: 76, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 336, independent: 154, independent conditional: 66, independent unconditional: 88, dependent: 182, dependent conditional: 76, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 417, independent: 205, independent conditional: 91, independent unconditional: 114, dependent: 212, dependent conditional: 85, dependent unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 229056, independent: 202646, independent conditional: 2513, independent unconditional: 200133, dependent: 18108, dependent conditional: 2906, dependent unconditional: 15202, unknown: 8302, unknown conditional: 142, unknown unconditional: 8160] , Statistics on independence cache: Total cache size (in pairs): 8302, Positive cache size: 8120, Positive conditional cache size: 66, Positive unconditional cache size: 8054, Negative cache size: 182, Negative conditional cache size: 76, Negative unconditional cache size: 106, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7099, Maximal queried relation: 5, Independence queries for same thread: 1877 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.7s, Number of persistent set computation: 16156, Number of trivial persistent sets: 8151, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8160, independent: 8054, independent conditional: 0, independent unconditional: 8054, dependent: 106, dependent conditional: 0, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 218273, independent: 210766, independent conditional: 202712, independent unconditional: 8054, dependent: 7507, dependent conditional: 7401, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 216396, independent: 210766, independent conditional: 202712, independent unconditional: 8054, dependent: 5630, dependent conditional: 5524, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 216396, independent: 210766, independent conditional: 202712, independent unconditional: 8054, dependent: 5630, dependent conditional: 5524, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 229056, independent: 210766, independent conditional: 2579, independent unconditional: 208187, dependent: 18290, dependent conditional: 10081, dependent unconditional: 8209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 229056, independent: 210766, independent conditional: 2579, independent unconditional: 208187, dependent: 18290, dependent conditional: 2982, dependent unconditional: 15308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 229056, independent: 210766, independent conditional: 2579, independent unconditional: 208187, dependent: 18290, dependent conditional: 2982, dependent unconditional: 15308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8302, independent: 8120, independent conditional: 66, independent unconditional: 8054, dependent: 182, dependent conditional: 76, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8302, independent: 7966, independent conditional: 0, independent unconditional: 7966, dependent: 336, dependent conditional: 0, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 336, independent: 154, independent conditional: 66, independent unconditional: 88, dependent: 182, dependent conditional: 76, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 336, independent: 154, independent conditional: 66, independent unconditional: 88, dependent: 182, dependent conditional: 76, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 417, independent: 205, independent conditional: 91, independent unconditional: 114, dependent: 212, dependent conditional: 85, dependent unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 229056, independent: 202646, independent conditional: 2513, independent unconditional: 200133, dependent: 18108, dependent conditional: 2906, dependent unconditional: 15202, unknown: 8302, unknown conditional: 142, unknown unconditional: 8160] , Statistics on independence cache: Total cache size (in pairs): 8302, Positive cache size: 8120, Positive conditional cache size: 66, Positive unconditional cache size: 8054, Negative cache size: 182, Negative conditional cache size: 76, Negative unconditional cache size: 106, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7099, Maximal queried relation: 5, Independence queries for same thread: 1877 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t3_funThread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 237 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 12.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 10.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 60, 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, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 634 NumberOfCodeBlocks, 634 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 628 ConstructedInterpolants, 0 QuantifiedInterpolants, 2197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 237 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 27.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 25.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 92, 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, 1.7s InterpolantComputationTime, 1096 NumberOfCodeBlocks, 1096 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1087 ConstructedInterpolants, 0 QuantifiedInterpolants, 4023 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2_funThread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 237 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 3.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, 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, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 578 NumberOfCodeBlocks, 578 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 572 ConstructedInterpolants, 0 QuantifiedInterpolants, 1908 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 03:07:15,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2022-11-16 03:07:15,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 03:07:15,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 03:07:15,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...