/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 --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/bigshot_s2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 04:51:50,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 04:51:50,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 04:51:50,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 04:51:50,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 04:51:50,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 04:51:50,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 04:51:50,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 04:51:50,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 04:51:50,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 04:51:50,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 04:51:50,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 04:51:50,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 04:51:50,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 04:51:50,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 04:51:50,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 04:51:50,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 04:51:50,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 04:51:50,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 04:51:50,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 04:51:50,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 04:51:50,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 04:51:50,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 04:51:50,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 04:51:50,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 04:51:50,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 04:51:50,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 04:51:50,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 04:51:50,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 04:51:50,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 04:51:50,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 04:51:50,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 04:51:50,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 04:51:50,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 04:51:50,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 04:51:50,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 04:51:50,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 04:51:50,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 04:51:50,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 04:51:50,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 04:51:50,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 04:51:50,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 04:51:50,759 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 04:51:50,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 04:51:50,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 04:51:50,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 04:51:50,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 04:51:50,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 04:51:50,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 04:51:50,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 04:51:50,777 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 04:51:50,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 04:51:50,777 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 04:51:50,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 04:51:50,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 04:51:50,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 04:51:50,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 04:51:50,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 04:51:50,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 04:51:50,778 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 04:51:50,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 04:51:50,778 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 04:51:50,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 04:51:50,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 04:51:50,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 04:51:50,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 04:51:50,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 04:51:50,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 04:51:50,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 04:51:50,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 04:51:50,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 04:51:50,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 04:51:50,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 04:51:50,779 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 04:51:50,779 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 04:51:50,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 04:51:50,779 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 04:51:50,779 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 04:51:50,780 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2022-11-16 04:51:50,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 04:51:50,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 04:51:50,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 04:51:50,984 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 04:51:50,999 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 04:51:51,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_s2.i [2022-11-16 04:51:51,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e38a22ffe/1781294381fa4cc18913cbf7b4b735a0/FLAG1f9c070ab [2022-11-16 04:51:51,526 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 04:51:51,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s2.i [2022-11-16 04:51:51,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e38a22ffe/1781294381fa4cc18913cbf7b4b735a0/FLAG1f9c070ab [2022-11-16 04:51:51,888 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e38a22ffe/1781294381fa4cc18913cbf7b4b735a0 [2022-11-16 04:51:51,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 04:51:51,890 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 04:51:51,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 04:51:51,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 04:51:51,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 04:51:51,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:51:51" (1/1) ... [2022-11-16 04:51:51,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea12789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:51:51, skipping insertion in model container [2022-11-16 04:51:51,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:51:51" (1/1) ... [2022-11-16 04:51:51,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 04:51:51,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 04:51:52,464 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s2.i[55203,55216] [2022-11-16 04:51:52,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 04:51:52,494 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 04:51:52,569 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s2.i[55203,55216] [2022-11-16 04:51:52,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 04:51:52,653 INFO L208 MainTranslator]: Completed translation [2022-11-16 04:51:52,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:51:52 WrapperNode [2022-11-16 04:51:52,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 04:51:52,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 04:51:52,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 04:51:52,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 04:51:52,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:51:52" (1/1) ... [2022-11-16 04:51:52,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:51:52" (1/1) ... [2022-11-16 04:51:52,724 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-11-16 04:51:52,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 04:51:52,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 04:51:52,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 04:51:52,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 04:51:52,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:51:52" (1/1) ... [2022-11-16 04:51:52,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:51:52" (1/1) ... [2022-11-16 04:51:52,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:51:52" (1/1) ... [2022-11-16 04:51:52,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:51:52" (1/1) ... [2022-11-16 04:51:52,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:51:52" (1/1) ... [2022-11-16 04:51:52,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:51:52" (1/1) ... [2022-11-16 04:51:52,747 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:51:52" (1/1) ... [2022-11-16 04:51:52,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:51:52" (1/1) ... [2022-11-16 04:51:52,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 04:51:52,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 04:51:52,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 04:51:52,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 04:51:52,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:51:52" (1/1) ... [2022-11-16 04:51:52,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 04:51:52,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:51:52,782 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 04:51:52,788 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 04:51:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 04:51:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 04:51:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 04:51:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 04:51:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 04:51:52,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 04:51:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 04:51:52,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 04:51:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 04:51:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 04:51:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 04:51:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 04:51:52,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 04:51:52,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 04:51:52,808 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 04:51:52,986 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 04:51:52,988 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 04:51:53,113 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 04:51:53,117 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 04:51:53,117 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 04:51:53,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:51:53 BoogieIcfgContainer [2022-11-16 04:51:53,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 04:51:53,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 04:51:53,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 04:51:53,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 04:51:53,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:51:51" (1/3) ... [2022-11-16 04:51:53,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bfc9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:51:53, skipping insertion in model container [2022-11-16 04:51:53,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:51:52" (2/3) ... [2022-11-16 04:51:53,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bfc9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:51:53, skipping insertion in model container [2022-11-16 04:51:53,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:51:53" (3/3) ... [2022-11-16 04:51:53,127 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2022-11-16 04:51:53,132 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 04:51:53,137 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 04:51:53,137 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 04:51:53,137 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 04:51:53,187 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 04:51:53,227 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 04:51:53,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 04:51:53,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:51:53,257 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 04:51:53,291 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 04:51:53,320 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 04:51:53,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2022-11-16 04:51:53,341 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;@2e9dd631, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 04:51:53,341 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 04:51:53,458 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 04:51:53,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:51:53,461 INFO L85 PathProgramCache]: Analyzing trace with hash 709450974, now seen corresponding path program 1 times [2022-11-16 04:51:53,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:51:53,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690806071] [2022-11-16 04:51:53,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:51:53,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:51:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:51:54,394 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 04:51:54,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:51:54,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690806071] [2022-11-16 04:51:54,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690806071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 04:51:54,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 04:51:54,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 04:51:54,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505550966] [2022-11-16 04:51:54,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 04:51:54,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 04:51:54,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:51:54,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 04:51:54,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-16 04:51:54,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:51:54,418 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:51:54,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 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 04:51:54,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:51:54,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 04:51:54,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 04:51:54,638 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 04:51:54,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:51:54,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1689185662, now seen corresponding path program 1 times [2022-11-16 04:51:54,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:51:54,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325460191] [2022-11-16 04:51:54,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:51:54,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:51:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:51:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:51:55,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:51:55,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325460191] [2022-11-16 04:51:55,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325460191] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:51:55,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147058823] [2022-11-16 04:51:55,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:51:55,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:51:55,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:51:55,224 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 04:51:55,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 04:51:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:51:55,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-16 04:51:55,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:51:55,484 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 04:51:55,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-16 04:51:55,513 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 04:51:55,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-16 04:51:55,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:51:55,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:51:55,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 04:51:55,958 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-16 04:51:55,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2022-11-16 04:51:56,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:51:56,058 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:51:56,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2022-11-16 04:51:56,121 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:51:56,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2022-11-16 04:51:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:51:56,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:51:57,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:51:57,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147058823] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:51:57,141 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:51:57,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19, 17] total 42 [2022-11-16 04:51:57,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935956728] [2022-11-16 04:51:57,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:51:57,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-11-16 04:51:57,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:51:57,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-11-16 04:51:57,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1578, Unknown=0, NotChecked=0, Total=1722 [2022-11-16 04:51:57,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:51:57,159 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:51:57,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.761904761904762) internal successors, (200), 42 states have internal predecessors, (200), 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 04:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 04:51:57,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:51:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 04:51:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 04:51:58,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-16 04:51:58,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-16 04:51:58,367 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 04:51:58,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:51:58,368 INFO L85 PathProgramCache]: Analyzing trace with hash 148318154, now seen corresponding path program 2 times [2022-11-16 04:51:58,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:51:58,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832940222] [2022-11-16 04:51:58,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:51:58,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:51:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:51:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:51:59,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:51:59,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832940222] [2022-11-16 04:51:59,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832940222] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:51:59,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696584539] [2022-11-16 04:51:59,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 04:51:59,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:51:59,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:51:59,070 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 04:51:59,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 04:51:59,192 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 04:51:59,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:51:59,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-16 04:51:59,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:51:59,241 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 04:51:59,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-16 04:51:59,283 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 04:51:59,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-16 04:51:59,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:51:59,394 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 04:51:59,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-16 04:51:59,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:51:59,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:51:59,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:51:59,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:51:59,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-16 04:51:59,802 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:51:59,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:51:59,870 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_90 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_90) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1)))) is different from false [2022-11-16 04:52:00,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 230 [2022-11-16 04:52:00,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 210 [2022-11-16 04:52:00,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 102 [2022-11-16 04:52:00,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 198 [2022-11-16 04:52:00,935 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2022-11-16 04:52:00,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696584539] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:52:00,936 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:52:00,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 45 [2022-11-16 04:52:00,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853412665] [2022-11-16 04:52:00,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:52:00,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-16 04:52:00,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:52:00,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-16 04:52:00,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1701, Unknown=22, NotChecked=84, Total=1980 [2022-11-16 04:52:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:52:00,938 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:52:00,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.4222222222222225) internal successors, (199), 45 states have internal predecessors, (199), 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 04:52:00,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 04:52:00,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 04:52:00,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:52:01,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 04:52:01,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 04:52:01,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 04:52:01,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 04:52:01,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:52:01,836 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 04:52:01,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:52:01,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1763211410, now seen corresponding path program 3 times [2022-11-16 04:52:01,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:52:01,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377836266] [2022-11-16 04:52:01,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:52:01,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:52:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:52:02,512 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:52:02,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:52:02,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377836266] [2022-11-16 04:52:02,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377836266] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:52:02,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570940043] [2022-11-16 04:52:02,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 04:52:02,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:52:02,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:52:02,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 04:52:02,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 04:52:02,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-16 04:52:02,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:52:02,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-16 04:52:02,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:52:02,761 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 04:52:02,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-16 04:52:02,819 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 04:52:02,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-16 04:52:02,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:52:03,027 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-11-16 04:52:03,029 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-11-16 04:52:03,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:52:03,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:52:03,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:52:03,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:52:03,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:52:03,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-16 04:52:03,666 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:52:03,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:52:03,731 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_138 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_138) |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1)))) is different from false [2022-11-16 04:52:04,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 974 treesize of output 938 [2022-11-16 04:52:04,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 934 treesize of output 902 [2022-11-16 04:52:04,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 902 treesize of output 886 [2022-11-16 04:52:04,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 886 treesize of output 822 [2022-11-16 04:52:05,448 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 8 not checked. [2022-11-16 04:52:05,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570940043] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:52:05,449 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:52:05,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20, 18] total 50 [2022-11-16 04:52:05,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434806668] [2022-11-16 04:52:05,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:52:05,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-11-16 04:52:05,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:52:05,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-11-16 04:52:05,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=2105, Unknown=47, NotChecked=94, Total=2450 [2022-11-16 04:52:05,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:52:05,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:52:05,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.4) internal successors, (220), 50 states have internal predecessors, (220), 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 04:52:05,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 04:52:05,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 04:52:05,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 04:52:05,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:52:06,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 04:52:06,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 04:52:06,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 04:52:06,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 04:52:06,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-16 04:52:06,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:52:06,883 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 04:52:06,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:52:06,883 INFO L85 PathProgramCache]: Analyzing trace with hash -524847854, now seen corresponding path program 4 times [2022-11-16 04:52:06,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:52:06,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986911625] [2022-11-16 04:52:06,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:52:06,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:52:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:52:07,639 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:52:07,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:52:07,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986911625] [2022-11-16 04:52:07,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986911625] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:52:07,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538805252] [2022-11-16 04:52:07,640 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 04:52:07,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:52:07,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:52:07,641 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 04:52:07,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 04:52:07,728 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 04:52:07,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:52:07,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 04:52:07,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:52:07,809 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 04:52:07,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-16 04:52:07,836 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 04:52:07,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-16 04:52:07,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:52:07,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:52:08,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 04:52:08,140 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-16 04:52:08,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2022-11-16 04:52:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:52:08,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 04:52:08,231 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:52:08,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2022-11-16 04:52:08,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:52:08,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:52:08,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 04:52:08,305 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:52:08,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 04:52:08,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:52:08,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:52:08,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 04:52:08,374 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:52:08,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 04:52:08,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:52:08,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:52:08,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 04:52:08,452 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:52:08,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 04:52:08,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:52:08,524 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:52:08,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 04:52:08,588 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:52:08,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2022-11-16 04:52:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 18 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:52:08,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:53:15,392 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_48| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_47| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_46| Int) (v_ArrVal_188 Int) (v_ArrVal_197 Int) (v_ArrVal_194 Int) (v_ArrVal_192 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_45| Int) (v_ArrVal_190 Int)) (or (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_47| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_46|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_48| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_47|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_46| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_45|)) (not (<= (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_48|)) (= 66 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| (store (store (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base|) (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1|) v_ArrVal_188) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_48| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_190) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_47| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_192) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_46| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_194) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_45| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_197)) c_~v~0.base) c_~v~0.offset)))) is different from false [2022-11-16 04:55:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 26 proven. 13 refuted. 6 times theorem prover too weak. 0 trivial. 10 not checked. [2022-11-16 04:55:04,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538805252] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:55:04,240 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:55:04,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 23, 25] total 57 [2022-11-16 04:55:04,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736631480] [2022-11-16 04:55:04,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:55:04,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-11-16 04:55:04,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:55:04,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-11-16 04:55:04,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=2737, Unknown=65, NotChecked=108, Total=3192 [2022-11-16 04:55:04,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:55:04,243 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:55:04,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 4.350877192982456) internal successors, (248), 57 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 04:55:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 04:55:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 04:55:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 04:55:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-16 04:55:04,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:55:06,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 04:55:06,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 04:55:06,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 04:55:06,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 04:55:06,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 04:55:06,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 04:55:06,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:55:06,980 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 04:55:06,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:55:06,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1070539378, now seen corresponding path program 5 times [2022-11-16 04:55:06,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:55:06,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677695345] [2022-11-16 04:55:06,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:55:06,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:55:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:55:07,739 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:55:07,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:55:07,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677695345] [2022-11-16 04:55:07,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677695345] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:55:07,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022898858] [2022-11-16 04:55:07,740 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-16 04:55:07,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:55:07,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:55:07,741 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 04:55:07,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 04:55:07,844 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-11-16 04:55:07,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:55:07,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-16 04:55:07,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:55:07,902 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-16 04:55:07,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-16 04:55:07,929 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 04:55:07,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-16 04:55:07,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:55:08,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 04:55:08,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 04:55:08,250 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-16 04:55:08,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2022-11-16 04:55:08,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:55:08,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 04:55:08,364 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:55:08,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2022-11-16 04:55:08,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:55:08,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:55:08,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 04:55:08,444 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:55:08,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 04:55:08,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:55:08,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:55:08,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 04:55:08,543 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:55:08,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 04:55:08,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:55:08,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:55:08,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 04:55:08,620 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:55:08,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 04:55:08,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:55:08,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:55:08,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 04:55:08,698 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:55:08,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 04:55:08,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 04:55:08,772 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:55:08,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 30 [2022-11-16 04:55:08,841 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-16 04:55:08,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2022-11-16 04:55:08,916 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 32 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:55:08,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:56:09,677 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62| Int)) (or (forall ((v_ArrVal_257 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_59| Int) (v_ArrVal_256 Int) (v_ArrVal_261 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_60| Int) (v_ArrVal_259 Int)) (or (= 66 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| (store (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base|) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_256) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_257) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_60| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_259) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_59| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_261)) c_~v~0.base) c_~v~0.offset)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_60| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_59|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_60|)))) (not (<= (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62|)))) is different from false [2022-11-16 04:56:39,162 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_63| Int)) (or (forall ((v_ArrVal_257 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_59| Int) (v_ArrVal_256 Int) (v_ArrVal_253 Int) (v_ArrVal_261 Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61| Int) (|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_60| Int) (v_ArrVal_259 Int)) (or (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_60| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_59|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_63| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62|)) (= 66 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base| (store (store (store (store (store (select |c_#memory_int| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.base|) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_63| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_253) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_256) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_257) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_60| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_259) (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_59| |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest#1.offset|) v_ArrVal_261)) c_~v~0.base) c_~v~0.offset)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_62| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61|)) (not (<= (+ |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_61| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_60|)))) (not (<= (+ |c_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1| 1) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset13#1_63|)))) is different from false [2022-11-16 05:00:12,920 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 20 proven. 16 refuted. 22 times theorem prover too weak. 0 trivial. 20 not checked. [2022-11-16 05:00:12,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022898858] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 05:00:12,920 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 05:00:12,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 24, 27] total 62 [2022-11-16 05:00:12,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124072587] [2022-11-16 05:00:12,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 05:00:12,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-11-16 05:00:12,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 05:00:12,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-11-16 05:00:12,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=3120, Unknown=123, NotChecked=234, Total=3782 [2022-11-16 05:00:12,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 05:00:12,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 05:00:12,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 4.193548387096774) internal successors, (260), 62 states have internal predecessors, (260), 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 05:00:12,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 05:00:12,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 05:00:12,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 05:00:12,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-16 05:00:12,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 05:00:12,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 05:00:16,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 05:00:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 05:00:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 05:00:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 05:00:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 05:00:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-16 05:00:16,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 05:00:16,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 05:00:16,624 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 05:00:16,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 05:00:16,624 INFO L85 PathProgramCache]: Analyzing trace with hash 846409917, now seen corresponding path program 1 times [2022-11-16 05:00:16,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 05:00:16,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274630239] [2022-11-16 05:00:16,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 05:00:16,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 05:00:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 05:00:16,680 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 05:00:16,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 05:00:16,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274630239] [2022-11-16 05:00:16,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274630239] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 05:00:16,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 05:00:16,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 05:00:16,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710771559] [2022-11-16 05:00:16,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 05:00:16,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 05:00:16,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 05:00:16,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 05:00:16,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 05:00:16,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 05:00:16,683 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 05:00:16,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 05:00:16,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-16 05:00:16,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-11-16 05:00:16,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-11-16 05:00:16,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-16 05:00:16,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-11-16 05:00:16,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-11-16 05:00:16,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 05:00:16,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 05:00:16,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 05:00:16,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 05:00:16,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 05:00:16,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-16 05:00:16,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-16 05:00:16,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 05:00:16,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 05:00:16,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 05:00:16,776 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2022-11-16 05:00:16,776 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2022-11-16 05:00:16,779 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 05:00:16,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 05:00:16,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 05:00:16,803 INFO L229 MonitoredProcess]: Starting monitored process 8 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 05:00:16,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2022-11-16 05:00:16,810 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 05:00:16,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-11-16 05:00:16,811 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;@2e9dd631, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 05:00:16,811 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 05:00:16,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-11-16 05:00:16,853 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-16 05:00:16,854 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-11-16 05:00:16,857 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 05:00:16,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 05:00:16,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 05:00:16,860 INFO L229 MonitoredProcess]: Starting monitored process 9 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 05:00:16,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2022-11-16 05:00:16,865 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 05:00:16,865 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-11-16 05:00:16,865 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;@2e9dd631, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 05:00:16,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 05:00:16,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-11-16 05:00:16,868 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-16 05:00:16,868 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/3) [2022-11-16 05:00:16,869 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 05:00:16,869 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 05:00:16,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 05:00:16 BasicIcfg [2022-11-16 05:00:16,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 05:00:16,872 INFO L158 Benchmark]: Toolchain (without parser) took 504981.37ms. Allocated memory was 165.7MB in the beginning and 492.8MB in the end (delta: 327.2MB). Free memory was 109.4MB in the beginning and 364.3MB in the end (delta: -254.9MB). Peak memory consumption was 71.8MB. Max. memory is 8.0GB. [2022-11-16 05:00:16,872 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 165.7MB. Free memory was 127.9MB in the beginning and 127.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 05:00:16,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.04ms. Allocated memory is still 165.7MB. Free memory was 109.2MB in the beginning and 120.6MB in the end (delta: -11.4MB). Peak memory consumption was 15.8MB. Max. memory is 8.0GB. [2022-11-16 05:00:16,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.96ms. Allocated memory is still 165.7MB. Free memory was 120.6MB in the beginning and 118.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 05:00:16,872 INFO L158 Benchmark]: Boogie Preprocessor took 24.81ms. Allocated memory is still 165.7MB. Free memory was 118.2MB in the beginning and 116.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 05:00:16,872 INFO L158 Benchmark]: RCFGBuilder took 368.91ms. Allocated memory is still 165.7MB. Free memory was 116.4MB in the beginning and 102.5MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-11-16 05:00:16,873 INFO L158 Benchmark]: TraceAbstraction took 503751.45ms. Allocated memory was 165.7MB in the beginning and 492.8MB in the end (delta: 327.2MB). Free memory was 101.8MB in the beginning and 364.3MB in the end (delta: -262.5MB). Peak memory consumption was 65.5MB. Max. memory is 8.0GB. [2022-11-16 05:00:16,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 165.7MB. Free memory was 127.9MB in the beginning and 127.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 770.04ms. Allocated memory is still 165.7MB. Free memory was 109.2MB in the beginning and 120.6MB in the end (delta: -11.4MB). Peak memory consumption was 15.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.96ms. Allocated memory is still 165.7MB. Free memory was 120.6MB in the beginning and 118.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.81ms. Allocated memory is still 165.7MB. Free memory was 118.2MB in the beginning and 116.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 368.91ms. Allocated memory is still 165.7MB. Free memory was 116.4MB in the beginning and 102.5MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 503751.45ms. Allocated memory was 165.7MB in the beginning and 492.8MB in the end (delta: 327.2MB). Free memory was 101.8MB in the beginning and 364.3MB in the end (delta: -262.5MB). Peak memory consumption was 65.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1318, independent: 1032, independent conditional: 510, independent unconditional: 522, dependent: 286, dependent conditional: 278, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1057, independent: 1032, independent conditional: 510, independent unconditional: 522, dependent: 25, dependent conditional: 17, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1057, independent: 1032, independent conditional: 510, independent unconditional: 522, dependent: 25, dependent conditional: 17, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1156, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 124, dependent conditional: 99, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1156, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 124, dependent conditional: 79, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1156, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 124, dependent conditional: 79, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 549, independent: 510, independent conditional: 0, independent unconditional: 510, dependent: 39, dependent conditional: 31, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 549, independent: 509, independent conditional: 0, independent unconditional: 509, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 39, dependent conditional: 31, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 39, dependent conditional: 31, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 124, dependent conditional: 92, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1156, independent: 522, independent conditional: 0, independent unconditional: 522, dependent: 85, dependent conditional: 48, dependent unconditional: 37, unknown: 549, unknown conditional: 31, unknown unconditional: 518] , Statistics on independence cache: Total cache size (in pairs): 549, Positive cache size: 510, Positive conditional cache size: 0, Positive unconditional cache size: 510, Negative cache size: 39, Negative conditional cache size: 31, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20, Maximal queried relation: 7, Independence queries for same thread: 261 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 119, Number of trivial persistent sets: 105, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 530, independent: 522, independent conditional: 0, independent unconditional: 522, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1318, independent: 1032, independent conditional: 510, independent unconditional: 522, dependent: 286, dependent conditional: 278, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1057, independent: 1032, independent conditional: 510, independent unconditional: 522, dependent: 25, dependent conditional: 17, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1057, independent: 1032, independent conditional: 510, independent unconditional: 522, dependent: 25, dependent conditional: 17, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1156, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 124, dependent conditional: 99, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1156, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 124, dependent conditional: 79, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1156, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 124, dependent conditional: 79, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 549, independent: 510, independent conditional: 0, independent unconditional: 510, dependent: 39, dependent conditional: 31, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 549, independent: 509, independent conditional: 0, independent unconditional: 509, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 39, dependent conditional: 31, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 40, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 39, dependent conditional: 31, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 124, dependent conditional: 92, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1156, independent: 522, independent conditional: 0, independent unconditional: 522, dependent: 85, dependent conditional: 48, dependent unconditional: 37, unknown: 549, unknown conditional: 31, unknown unconditional: 518] , Statistics on independence cache: Total cache size (in pairs): 549, Positive cache size: 510, Positive conditional cache size: 0, Positive unconditional cache size: 510, Negative cache size: 39, Negative conditional cache size: 31, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20, Maximal queried relation: 7, Independence queries for same thread: 261 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 238, independent: 235, independent conditional: 8, independent unconditional: 227, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 238, independent: 235, independent conditional: 8, independent unconditional: 227, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 238, independent: 235, independent conditional: 8, independent unconditional: 227, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 238, independent: 235, independent conditional: 0, independent unconditional: 235, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 238, independent: 235, independent conditional: 0, independent unconditional: 235, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 238, independent: 235, independent conditional: 0, independent unconditional: 235, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 230, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 230, independent: 226, independent conditional: 0, independent unconditional: 226, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 238, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 230, unknown conditional: 0, unknown unconditional: 230] , Statistics on independence cache: Total cache size (in pairs): 230, Positive cache size: 227, Positive conditional cache size: 0, Positive unconditional cache size: 227, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 46, Number of trivial persistent sets: 41, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 230, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 238, independent: 235, independent conditional: 8, independent unconditional: 227, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 238, independent: 235, independent conditional: 8, independent unconditional: 227, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 238, independent: 235, independent conditional: 8, independent unconditional: 227, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 238, independent: 235, independent conditional: 0, independent unconditional: 235, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 238, independent: 235, independent conditional: 0, independent unconditional: 235, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 238, independent: 235, independent conditional: 0, independent unconditional: 235, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 230, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 230, independent: 226, independent conditional: 0, independent unconditional: 226, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 238, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 230, unknown conditional: 0, unknown unconditional: 230] , Statistics on independence cache: Total cache size (in pairs): 230, Positive cache size: 227, Positive conditional cache size: 0, Positive unconditional cache size: 227, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 28, Number of trivial persistent sets: 28, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - PositiveResult [Line: 1107]: 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 error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 114 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 503.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 9.4s, 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: 146, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 492.0s InterpolantComputationTime, 992 NumberOfCodeBlocks, 992 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1406 ConstructedInterpolants, 238 QuantifiedInterpolants, 23099 SizeOfPredicates, 73 NumberOfNonLiveVariables, 1201 ConjunctsInSsa, 236 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 96/579 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 thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 114 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 114 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 05:00:16,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 05:00:17,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 05:00:17,324 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 05:00:17,606 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...