/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 03:06:39,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 03:06:39,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 03:06:39,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 03:06:39,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 03:06:39,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 03:06:39,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 03:06:39,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 03:06:39,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 03:06:39,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 03:06:39,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 03:06:39,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 03:06:39,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 03:06:39,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 03:06:39,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 03:06:39,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 03:06:39,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 03:06:39,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 03:06:39,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 03:06:39,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 03:06:39,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 03:06:39,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 03:06:39,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 03:06:39,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 03:06:39,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 03:06:39,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 03:06:39,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 03:06:39,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 03:06:39,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 03:06:39,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 03:06:39,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 03:06:39,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 03:06:39,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 03:06:39,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 03:06:39,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 03:06:39,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 03:06:39,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 03:06:39,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 03:06:39,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 03:06:39,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 03:06:39,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 03:06:39,542 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 03:06:39,565 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 03:06:39,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 03:06:39,565 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 03:06:39,565 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 03:06:39,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 03:06:39,566 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 03:06:39,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 03:06:39,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 03:06:39,566 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 03:06:39,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 03:06:39,567 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 03:06:39,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 03:06:39,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 03:06:39,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 03:06:39,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 03:06:39,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 03:06:39,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 03:06:39,568 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 03:06:39,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 03:06:39,568 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 03:06:39,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 03:06:39,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 03:06:39,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 03:06:39,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 03:06:39,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 03:06:39,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:06:39,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 03:06:39,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 03:06:39,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 03:06:39,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 03:06:39,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 03:06:39,570 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 03:06:39,570 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 03:06:39,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 03:06:39,570 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 03:06:39,570 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 03:06:39,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-11-16 03:06:39,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 03:06:39,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 03:06:39,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 03:06:39,755 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 03:06:39,755 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 03:06:39,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2022-11-16 03:06:39,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8610f9a17/f555a4a083ff40578abc2555f47cadee/FLAG9f58e6696 [2022-11-16 03:06:40,246 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 03:06:40,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2022-11-16 03:06:40,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8610f9a17/f555a4a083ff40578abc2555f47cadee/FLAG9f58e6696 [2022-11-16 03:06:40,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8610f9a17/f555a4a083ff40578abc2555f47cadee [2022-11-16 03:06:40,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 03:06:40,615 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 03:06:40,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 03:06:40,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 03:06:40,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 03:06:40,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:06:40" (1/1) ... [2022-11-16 03:06:40,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d5fb32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:40, skipping insertion in model container [2022-11-16 03:06:40,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:06:40" (1/1) ... [2022-11-16 03:06:40,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 03:06:40,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 03:06:40,780 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c[2309,2322] [2022-11-16 03:06:40,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:06:40,787 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 03:06:40,801 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c[2309,2322] [2022-11-16 03:06:40,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:06:40,813 INFO L208 MainTranslator]: Completed translation [2022-11-16 03:06:40,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:40 WrapperNode [2022-11-16 03:06:40,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 03:06:40,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 03:06:40,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 03:06:40,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 03:06:40,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:40" (1/1) ... [2022-11-16 03:06:40,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:40" (1/1) ... [2022-11-16 03:06:40,846 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-11-16 03:06:40,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 03:06:40,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 03:06:40,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 03:06:40,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 03:06:40,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:40" (1/1) ... [2022-11-16 03:06:40,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:40" (1/1) ... [2022-11-16 03:06:40,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:40" (1/1) ... [2022-11-16 03:06:40,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:40" (1/1) ... [2022-11-16 03:06:40,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:40" (1/1) ... [2022-11-16 03:06:40,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:40" (1/1) ... [2022-11-16 03:06:40,873 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:40" (1/1) ... [2022-11-16 03:06:40,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:40" (1/1) ... [2022-11-16 03:06:40,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 03:06:40,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 03:06:40,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 03:06:40,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 03:06:40,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:40" (1/1) ... [2022-11-16 03:06:40,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:06:40,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:06:40,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 03:06:40,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 03:06:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 03:06:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 03:06:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 03:06:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 03:06:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 03:06:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 03:06:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 03:06:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-16 03:06:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-16 03:06:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 03:06:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 03:06:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 03:06:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 03:06:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 03:06:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 03:06:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 03:06:40,941 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 03:06:41,001 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 03:06:41,002 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 03:06:41,232 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 03:06:41,237 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 03:06:41,237 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 03:06:41,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:06:41 BoogieIcfgContainer [2022-11-16 03:06:41,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 03:06:41,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 03:06:41,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 03:06:41,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 03:06:41,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:06:40" (1/3) ... [2022-11-16 03:06:41,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac61745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:06:41, skipping insertion in model container [2022-11-16 03:06:41,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:06:40" (2/3) ... [2022-11-16 03:06:41,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac61745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:06:41, skipping insertion in model container [2022-11-16 03:06:41,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:06:41" (3/3) ... [2022-11-16 03:06:41,244 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x4.wvr.c [2022-11-16 03:06:41,249 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 03:06:41,254 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 03:06:41,254 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 03:06:41,254 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 03:06:41,356 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-16 03:06:41,397 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:06:41,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 03:06:41,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:06:41,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-16 03:06:41,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-16 03:06:41,446 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 03:06:41,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 03:06:41,471 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;@44ce3472, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:06:41,471 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-16 03:06:41,662 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:06:41,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:41,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1917470600, now seen corresponding path program 1 times [2022-11-16 03:06:41,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:41,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56255454] [2022-11-16 03:06:41,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:41,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:41,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:41,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:41,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56255454] [2022-11-16 03:06:41,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56255454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:41,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:41,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 03:06:41,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963081995] [2022-11-16 03:06:41,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:41,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 03:06:41,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:41,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 03:06:41,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 03:06:41,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:41,900 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:41,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 03:06:41,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:41,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:41,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 03:06:41,945 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:06:41,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:41,946 INFO L85 PathProgramCache]: Analyzing trace with hash 840494594, now seen corresponding path program 1 times [2022-11-16 03:06:41,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:41,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900569509] [2022-11-16 03:06:41,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:41,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:42,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:42,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:42,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900569509] [2022-11-16 03:06:42,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900569509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:42,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:42,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 03:06:42,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259221692] [2022-11-16 03:06:42,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:42,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 03:06:42,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:42,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 03:06:42,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-16 03:06:42,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:42,632 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:42,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 03:06:42,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:42,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:42,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:42,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:06:42,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 03:06:42,847 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:06:42,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:42,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1688527279, now seen corresponding path program 1 times [2022-11-16 03:06:42,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:42,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129546657] [2022-11-16 03:06:42,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:42,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:43,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:43,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:43,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129546657] [2022-11-16 03:06:43,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129546657] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:43,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:43,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 03:06:43,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764068488] [2022-11-16 03:06:43,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:43,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 03:06:43,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:43,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 03:06:43,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 03:06:43,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:43,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:43,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 03:06:43,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:43,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:06:43,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:43,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:43,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:06:43,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:43,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 03:06:43,339 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:06:43,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:43,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1013068330, now seen corresponding path program 1 times [2022-11-16 03:06:43,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:43,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471466960] [2022-11-16 03:06:43,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:43,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:43,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:43,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:43,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471466960] [2022-11-16 03:06:43,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471466960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:06:43,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:06:43,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 03:06:43,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348065677] [2022-11-16 03:06:43,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:06:43,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 03:06:43,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:06:43,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 03:06:43,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 03:06:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:43,671 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:06:43,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 03:06:43,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:43,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:06:43,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:43,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:43,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:06:43,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:06:43,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:43,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:06:43,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 03:06:43,813 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:06:43,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:06:43,813 INFO L85 PathProgramCache]: Analyzing trace with hash 924220521, now seen corresponding path program 1 times [2022-11-16 03:06:43,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:06:43,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293091163] [2022-11-16 03:06:43,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:43,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:06:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:06:46,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:06:46,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293091163] [2022-11-16 03:06:46,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293091163] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:06:46,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462989046] [2022-11-16 03:06:46,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:06:46,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:06:46,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:06:46,264 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 03:06:46,302 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 03:06:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:06:46,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-16 03:06:46,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 03:08:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:08:24,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 03:09:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:09:20,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462989046] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 03:09:20,109 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 03:09:20,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2022-11-16 03:09:20,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962448871] [2022-11-16 03:09:20,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 03:09:20,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-16 03:09:20,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:09:20,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-16 03:09:20,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=854, Unknown=49, NotChecked=0, Total=1056 [2022-11-16 03:09:20,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:09:20,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:09:20,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.484848484848484) internal successors, (214), 33 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 03:09:20,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:09:20,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:09:20,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:09:20,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:09:20,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:09:34,821 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse5 (- c_~x3~0))) (let ((.cse0 (mod c_~x1~0 4294967296)) (.cse3 (* 4 c_~x4~0)) (.cse12 (= (+ c_~x1~0 (* (div c_~x2~0 4294967296) 4294967296)) (+ (* 4294967296 (div c_~x1~0 4294967296)) c_~x2~0))) (.cse2 (* 4294967296 (div c_~n~0 4294967296))) (.cse4 (* (- 4) c_~x4~0)) (.cse1 (mod (div .cse5 (- 4)) 4294967296))) (and (< 0 .cse0) (= .cse1 (mod c_~x4~0 4294967296)) (= .cse0 (mod c_~x2~0 4294967296)) (<= (+ c_~x3~0 .cse2) (+ .cse3 (* (div (+ .cse4 (- 2) c_~x3~0 c_~n~0) 4294967296) 4294967296))) (= (mod (div .cse5 (- 2)) 2) 0) (< 0 .cse1) (let ((.cse8 (mod c_~x4~0 1073741824))) (let ((.cse6 (* (div .cse8 1073741824) 4294967296)) (.cse7 (+ (mod c_~x3~0 4294967296) 1))) (or (< (+ .cse6 (* 4 (mod c_~x3~0 1073741824))) .cse7) (< (+ (* .cse8 4) .cse6) .cse7) (let ((.cse11 (* c_~x3~0 4))) (let ((.cse10 (* (div .cse3 4294967296) 4294967296)) (.cse9 (+ .cse3 (* 4294967296 (div .cse11 4294967296))))) (and (< .cse9 (+ .cse10 .cse11 1)) .cse12 (<= (+ .cse10 .cse11) .cse9))))))) .cse12 (let ((.cse14 (* 1073741824 (div c_~x3~0 4294967296))) (.cse13 (div (+ .cse4 c_~x3~0) 4294967296))) (or (<= (+ c_~x3~0 1073741825 .cse2) (+ (* 3 c_~x4~0) (* .cse13 3221225472) c_~n~0 .cse14)) (<= (+ 1 .cse14) (+ (* 1073741824 .cse13) c_~x4~0)))) (= (mod c_~x3~0 2) 0) (< .cse1 (mod c_~n~0 4294967296))))) is different from false [2022-11-16 03:09:36,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:09:51,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:09:53,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:09:55,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:09:57,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:09:59,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:10:01,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:10:03,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:10:06,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:10:39,139 WARN L233 SmtUtils]: Spent 17.60s on a formula simplification. DAG size of input: 82 DAG size of output: 40 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 03:10:41,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:10:44,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:10:48,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:10:50,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:11:20,239 WARN L233 SmtUtils]: Spent 17.94s on a formula simplification. DAG size of input: 69 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 03:11:22,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:11:24,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:11:26,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:11:58,678 WARN L233 SmtUtils]: Spent 9.86s on a formula simplification. DAG size of input: 64 DAG size of output: 48 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 03:12:00,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:12:03,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:12:05,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:12:07,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:12:52,792 WARN L233 SmtUtils]: Spent 13.01s on a formula simplification. DAG size of input: 61 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 03:12:54,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:13:11,936 WARN L233 SmtUtils]: Spent 10.54s on a formula simplification. DAG size of input: 83 DAG size of output: 58 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 03:13:14,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:13:22,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:13:25,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:13:49,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:13:51,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:13:53,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:13:55,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:13:57,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:00,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:02,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:04,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:07,463 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse7 (- c_~x3~0)) (.cse13 (mod c_~x1~0 4294967296))) (let ((.cse0 (< 0 .cse13)) (.cse1 (= .cse13 (mod c_~x2~0 4294967296))) (.cse5 (mod c_~x3~0 4294967296)) (.cse6 (mod c_~x4~0 4294967296)) (.cse4 (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) (.cse9 (- c_~x4~0)) (.cse12 (mod (div .cse7 (- 4)) 4294967296)) (.cse8 (mod c_~n~0 4294967296))) (and .cse0 (let ((.cse2 (= .cse5 .cse6)) (.cse3 (< 0 .cse5))) (or (and .cse0 (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse1 .cse2 .cse3) (and (or (not .cse1) (not .cse2) (not .cse3) (not .cse0)) .cse4))) .cse1 (= (mod (div .cse7 (- 2)) 2) 0) (not (< .cse5 .cse8)) (= (mod (div .cse9 (- 2)) 2) 0) (or (< .cse6 .cse8) (let ((.cse11 (* (div c_~x4~0 4294967296) 4294967296)) (.cse10 (+ (* 4294967296 (div c_~x3~0 4294967296)) c_~x4~0))) (and (< .cse10 (+ c_~x3~0 .cse11 1)) (= (+ c_~x1~0 (* (div c_~x2~0 4294967296) 4294967296)) (+ (* 4294967296 (div c_~x1~0 4294967296)) c_~x2~0)) (<= (+ c_~x3~0 .cse11) .cse10)))) .cse4 (= (mod c_~x4~0 2) 0) (= (mod c_~x3~0 2) 0) (= .cse12 (mod (div .cse9 (- 4)) 4294967296)) (< .cse12 .cse8)))) is different from false [2022-11-16 03:14:09,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:11,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:13,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:15,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:17,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:19,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:22,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:24,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:26,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:29,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:31,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:32,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:35,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:37,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:40,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:42,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:44,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:46,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:48,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:50,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:52,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:54,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:14:58,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:15:01,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:15:03,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:15:15,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 03:15:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:15:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:15:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:15:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:15:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-16 03:15:15,712 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 03:15:15,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:15:15,906 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-16 03:15:15,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:15:15,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1509532298, now seen corresponding path program 2 times [2022-11-16 03:15:15,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:15:15,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647475826] [2022-11-16 03:15:15,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:15:15,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:15:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:15:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:15:16,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:15:16,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647475826] [2022-11-16 03:15:16,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647475826] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 03:15:16,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676282226] [2022-11-16 03:15:16,292 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 03:15:16,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 03:15:16,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:15:16,308 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 03:15:16,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process Received shutdown request... [2022-11-16 03:21:23,584 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 03:21:23,598 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 03:21:23,598 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 03:21:24,602 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 [2022-11-16 03:21:24,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-16 03:21:24,800 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forcibly destroying the process [2022-11-16 03:21:24,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 137 [2022-11-16 03:21:24,811 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 03:21:24,812 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-16 03:21:24,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-11-16 03:21:24,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453960186] [2022-11-16 03:21:24,812 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-16 03:21:24,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 03:21:24,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:21:24,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 03:21:24,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-16 03:21:24,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:24,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:21:24,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 10 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 03:21:24,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:24,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 03:21:24,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:21:24,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 03:21:24,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-16 03:21:24,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:21:24,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 03:21:24,815 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-11-16 03:21:24,817 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-11-16 03:21:24,817 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2022-11-16 03:21:24,817 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-11-16 03:21:24,817 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-11-16 03:21:24,817 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-11-16 03:21:24,820 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-11-16 03:21:24,822 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 03:21:24,822 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 03:21:24,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 03:21:24 BasicIcfg [2022-11-16 03:21:24,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 03:21:24,824 INFO L158 Benchmark]: Toolchain (without parser) took 884208.89ms. Allocated memory was 185.6MB in the beginning and 355.5MB in the end (delta: 169.9MB). Free memory was 130.5MB in the beginning and 200.1MB in the end (delta: -69.6MB). Peak memory consumption was 100.8MB. Max. memory is 8.0GB. [2022-11-16 03:21:24,824 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 03:21:24,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.93ms. Allocated memory is still 185.6MB. Free memory was 130.4MB in the beginning and 155.8MB in the end (delta: -25.4MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2022-11-16 03:21:24,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.05ms. Allocated memory is still 185.6MB. Free memory was 155.8MB in the beginning and 154.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 03:21:24,824 INFO L158 Benchmark]: Boogie Preprocessor took 27.95ms. Allocated memory is still 185.6MB. Free memory was 153.8MB in the beginning and 152.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-16 03:21:24,825 INFO L158 Benchmark]: RCFGBuilder took 363.11ms. Allocated memory is still 185.6MB. Free memory was 152.5MB in the beginning and 137.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-11-16 03:21:24,825 INFO L158 Benchmark]: TraceAbstraction took 883583.38ms. Allocated memory was 185.6MB in the beginning and 355.5MB in the end (delta: 169.9MB). Free memory was 137.0MB in the beginning and 200.1MB in the end (delta: -63.1MB). Peak memory consumption was 107.6MB. Max. memory is 8.0GB. [2022-11-16 03:21:24,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 196.93ms. Allocated memory is still 185.6MB. Free memory was 130.4MB in the beginning and 155.8MB in the end (delta: -25.4MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.05ms. Allocated memory is still 185.6MB. Free memory was 155.8MB in the beginning and 154.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.95ms. Allocated memory is still 185.6MB. Free memory was 153.8MB in the beginning and 152.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 363.11ms. Allocated memory is still 185.6MB. Free memory was 152.5MB in the beginning and 137.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 883583.38ms. Allocated memory was 185.6MB in the beginning and 355.5MB in the end (delta: 169.9MB). Free memory was 137.0MB in the beginning and 200.1MB in the end (delta: -63.1MB). Peak memory consumption was 107.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9627, independent: 7905, independent conditional: 5415, independent unconditional: 2490, dependent: 1722, dependent conditional: 1712, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7915, independent: 7905, independent conditional: 5415, independent unconditional: 2490, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7915, independent: 7905, independent conditional: 5415, independent unconditional: 2490, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7915, independent: 7905, independent conditional: 0, independent unconditional: 7905, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7915, independent: 7905, independent conditional: 0, independent unconditional: 7905, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7915, independent: 7905, independent conditional: 0, independent unconditional: 7905, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2460, independent: 2450, independent conditional: 0, independent unconditional: 2450, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2460, independent: 2450, independent conditional: 0, independent unconditional: 2450, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7915, independent: 5455, independent conditional: 0, independent unconditional: 5455, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2460, unknown conditional: 0, unknown unconditional: 2460] , Statistics on independence cache: Total cache size (in pairs): 2460, Positive cache size: 2450, Positive conditional cache size: 0, Positive unconditional cache size: 2450, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, 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: 1712 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 125, Number of trivial persistent sets: 106, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2500, independent: 2490, independent conditional: 0, independent unconditional: 2490, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9627, independent: 7905, independent conditional: 5415, independent unconditional: 2490, dependent: 1722, dependent conditional: 1712, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7915, independent: 7905, independent conditional: 5415, independent unconditional: 2490, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7915, independent: 7905, independent conditional: 5415, independent unconditional: 2490, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7915, independent: 7905, independent conditional: 0, independent unconditional: 7905, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7915, independent: 7905, independent conditional: 0, independent unconditional: 7905, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7915, independent: 7905, independent conditional: 0, independent unconditional: 7905, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2460, independent: 2450, independent conditional: 0, independent unconditional: 2450, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2460, independent: 2450, independent conditional: 0, independent unconditional: 2450, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7915, independent: 5455, independent conditional: 0, independent unconditional: 5455, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2460, unknown conditional: 0, unknown unconditional: 2460] , Statistics on independence cache: Total cache size (in pairs): 2460, Positive cache size: 2450, Positive conditional cache size: 0, Positive unconditional cache size: 2450, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, 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: 1712 - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 148 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 883.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 356.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 157.4s InterpolantComputationTime, 673 NumberOfCodeBlocks, 673 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 763 ConstructedInterpolants, 0 QuantifiedInterpolants, 18404 SizeOfPredicates, 13 NumberOfNonLiveVariables, 258 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 6/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown