/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/test-easy11.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 04:26:43,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 04:26:43,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 04:26:43,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 04:26:43,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 04:26:43,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 04:26:43,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 04:26:43,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 04:26:43,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 04:26:43,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 04:26:43,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 04:26:43,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 04:26:43,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 04:26:43,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 04:26:43,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 04:26:43,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 04:26:43,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 04:26:43,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 04:26:43,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 04:26:43,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 04:26:43,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 04:26:43,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 04:26:43,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 04:26:43,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 04:26:43,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 04:26:43,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 04:26:43,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 04:26:43,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 04:26:43,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 04:26:43,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 04:26:43,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 04:26:43,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 04:26:43,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 04:26:43,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 04:26:43,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 04:26:43,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 04:26:43,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 04:26:43,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 04:26:43,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 04:26:43,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 04:26:43,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 04:26:43,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 04:26:43,487 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 04:26:43,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 04:26:43,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 04:26:43,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 04:26:43,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 04:26:43,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 04:26:43,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 04:26:43,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 04:26:43,488 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 04:26:43,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 04:26:43,489 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 04:26:43,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 04:26:43,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 04:26:43,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 04:26:43,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 04:26:43,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 04:26:43,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 04:26:43,490 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 04:26:43,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 04:26:43,490 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 04:26:43,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 04:26:43,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 04:26:43,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 04:26:43,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 04:26:43,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 04:26:43,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 04:26:43,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 04:26:43,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 04:26:43,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 04:26:43,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 04:26:43,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 04:26:43,492 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 04:26:43,492 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 04:26:43,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 04:26:43,492 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 04:26:43,492 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 04:26:43,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-11-16 04:26:43,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 04:26:43,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 04:26:43,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 04:26:43,707 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 04:26:43,708 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 04:26:43,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy11.wvr.c [2022-11-16 04:26:43,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71ff650d6/0301c5b6ce274edbaac405d4fdbf3850/FLAGe1d98d2ad [2022-11-16 04:26:44,129 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 04:26:44,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy11.wvr.c [2022-11-16 04:26:44,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71ff650d6/0301c5b6ce274edbaac405d4fdbf3850/FLAGe1d98d2ad [2022-11-16 04:26:44,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71ff650d6/0301c5b6ce274edbaac405d4fdbf3850 [2022-11-16 04:26:44,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 04:26:44,148 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 04:26:44,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 04:26:44,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 04:26:44,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 04:26:44,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:26:44" (1/1) ... [2022-11-16 04:26:44,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4145d21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:26:44, skipping insertion in model container [2022-11-16 04:26:44,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:26:44" (1/1) ... [2022-11-16 04:26:44,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 04:26:44,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 04:26:44,342 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/test-easy11.wvr.c[2005,2018] [2022-11-16 04:26:44,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 04:26:44,354 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 04:26:44,377 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/test-easy11.wvr.c[2005,2018] [2022-11-16 04:26:44,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 04:26:44,392 INFO L208 MainTranslator]: Completed translation [2022-11-16 04:26:44,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:26:44 WrapperNode [2022-11-16 04:26:44,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 04:26:44,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 04:26:44,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 04:26:44,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 04:26:44,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:26:44" (1/1) ... [2022-11-16 04:26:44,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:26:44" (1/1) ... [2022-11-16 04:26:44,424 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2022-11-16 04:26:44,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 04:26:44,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 04:26:44,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 04:26:44,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 04:26:44,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:26:44" (1/1) ... [2022-11-16 04:26:44,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:26:44" (1/1) ... [2022-11-16 04:26:44,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:26:44" (1/1) ... [2022-11-16 04:26:44,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:26:44" (1/1) ... [2022-11-16 04:26:44,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:26:44" (1/1) ... [2022-11-16 04:26:44,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:26:44" (1/1) ... [2022-11-16 04:26:44,453 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:26:44" (1/1) ... [2022-11-16 04:26:44,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:26:44" (1/1) ... [2022-11-16 04:26:44,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 04:26:44,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 04:26:44,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 04:26:44,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 04:26:44,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:26:44" (1/1) ... [2022-11-16 04:26:44,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 04:26:44,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:26:44,488 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 04:26:44,508 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 04:26:44,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 04:26:44,534 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 04:26:44,534 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 04:26:44,534 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 04:26:44,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 04:26:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 04:26:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 04:26:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 04:26:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 04:26:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 04:26:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 04:26:44,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 04:26:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 04:26:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 04:26:44,540 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 04:26:44,639 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 04:26:44,641 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 04:26:44,833 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 04:26:44,838 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 04:26:44,839 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 04:26:44,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:26:44 BoogieIcfgContainer [2022-11-16 04:26:44,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 04:26:44,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 04:26:44,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 04:26:44,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 04:26:44,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:26:44" (1/3) ... [2022-11-16 04:26:44,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5d0912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:26:44, skipping insertion in model container [2022-11-16 04:26:44,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:26:44" (2/3) ... [2022-11-16 04:26:44,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5d0912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:26:44, skipping insertion in model container [2022-11-16 04:26:44,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:26:44" (3/3) ... [2022-11-16 04:26:44,848 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy11.wvr.c [2022-11-16 04:26:44,854 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 04:26:44,876 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 04:26:44,876 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 04:26:44,876 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 04:26:44,935 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 04:26:44,973 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 04:26:44,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 04:26:44,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:26:44,977 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 04:26:44,980 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 04:26:45,019 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 04:26:45,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 04:26:45,039 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;@8961cc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 04:26:45,040 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-16 04:26:45,219 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 04:26:45,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:26:45,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1610691695, now seen corresponding path program 1 times [2022-11-16 04:26:45,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:26:45,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105187506] [2022-11-16 04:26:45,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:26:45,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:26:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:26:45,414 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 04:26:45,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:26:45,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105187506] [2022-11-16 04:26:45,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105187506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 04:26:45,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 04:26:45,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 04:26:45,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843288557] [2022-11-16 04:26:45,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 04:26:45,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 04:26:45,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:26:45,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 04:26:45,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 04:26:45,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:45,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:26:45,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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 04:26:45,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:45,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:45,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 04:26:45,473 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 04:26:45,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:26:45,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1594622345, now seen corresponding path program 1 times [2022-11-16 04:26:45,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:26:45,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170742496] [2022-11-16 04:26:45,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:26:45,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:26:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:26:46,051 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 04:26:46,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:26:46,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170742496] [2022-11-16 04:26:46,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170742496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 04:26:46,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 04:26:46,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-16 04:26:46,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137175250] [2022-11-16 04:26:46,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 04:26:46,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-16 04:26:46,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:26:46,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-16 04:26:46,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-11-16 04:26:46,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:46,055 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:26:46,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 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 04:26:46,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:46,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:46,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:46,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 04:26:46,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 04:26:46,323 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 04:26:46,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:26:46,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1214157253, now seen corresponding path program 1 times [2022-11-16 04:26:46,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:26:46,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604114993] [2022-11-16 04:26:46,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:26:46,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:26:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:26:46,381 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 04:26:46,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:26:46,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604114993] [2022-11-16 04:26:46,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604114993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 04:26:46,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 04:26:46,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 04:26:46,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223168204] [2022-11-16 04:26:46,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 04:26:46,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 04:26:46,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:26:46,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 04:26:46,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 04:26:46,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:46,387 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:26:46,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 04:26:46,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:46,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 04:26:46,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:46,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 04:26:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:46,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 04:26:46,474 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 04:26:46,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:26:46,475 INFO L85 PathProgramCache]: Analyzing trace with hash 934658965, now seen corresponding path program 1 times [2022-11-16 04:26:46,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:26:46,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944018712] [2022-11-16 04:26:46,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:26:46,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:26:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:26:46,516 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 04:26:46,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:26:46,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944018712] [2022-11-16 04:26:46,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944018712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 04:26:46,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 04:26:46,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 04:26:46,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063033265] [2022-11-16 04:26:46,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 04:26:46,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 04:26:46,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:26:46,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 04:26:46,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 04:26:46,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:46,518 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:26:46,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 04:26:46,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:46,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 04:26:46,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:46,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 04:26:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:46,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 04:26:46,581 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 04:26:46,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:26:46,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1101179311, now seen corresponding path program 1 times [2022-11-16 04:26:46,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:26:46,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252897179] [2022-11-16 04:26:46,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:26:46,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:26:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:26:46,944 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 04:26:46,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:26:46,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252897179] [2022-11-16 04:26:46,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252897179] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:26:46,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831049938] [2022-11-16 04:26:46,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:26:46,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:26:46,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:26:46,949 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 04:26:46,990 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 04:26:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:26:47,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-16 04:26:47,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:26:47,500 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 04:26:47,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:26:48,189 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 04:26:48,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831049938] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:26:48,189 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:26:48,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 33 [2022-11-16 04:26:48,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789016861] [2022-11-16 04:26:48,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:26:48,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-16 04:26:48,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:26:48,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-16 04:26:48,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=907, Unknown=0, NotChecked=0, Total=1056 [2022-11-16 04:26:48,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:48,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:26:48,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.484848484848485) internal successors, (115), 33 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 04:26:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 04:26:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:48,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 04:26:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:49,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-16 04:26:49,252 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 04:26:49,448 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 04:26:49,448 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 04:26:49,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:26:49,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1105740429, now seen corresponding path program 2 times [2022-11-16 04:26:49,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:26:49,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377003838] [2022-11-16 04:26:49,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:26:49,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:26:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:26:49,537 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 04:26:49,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:26:49,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377003838] [2022-11-16 04:26:49,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377003838] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:26:49,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539821319] [2022-11-16 04:26:49,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 04:26:49,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:26:49,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:26:49,539 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 04:26:49,574 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 04:26:49,603 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 04:26:49,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:26:49,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 04:26:49,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:26:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 04:26:49,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:26:49,767 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:26:49,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539821319] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:26:49,767 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:26:49,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 14 [2022-11-16 04:26:49,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734705864] [2022-11-16 04:26:49,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:26:49,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-16 04:26:49,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:26:49,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 04:26:49,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-11-16 04:26:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:49,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:26:49,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.785714285714286) internal successors, (95), 14 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 04:26:49,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:49,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 04:26:49,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:49,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:49,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-11-16 04:26:49,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:50,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:50,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 04:26:50,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:50,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:50,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-16 04:26:50,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 04:26:50,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 04:26:50,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:26:50,575 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 04:26:50,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:26:50,576 INFO L85 PathProgramCache]: Analyzing trace with hash 826242141, now seen corresponding path program 3 times [2022-11-16 04:26:50,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:26:50,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490115948] [2022-11-16 04:26:50,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:26:50,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:26:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:26:50,653 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 04:26:50,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:26:50,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490115948] [2022-11-16 04:26:50,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490115948] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:26:50,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433277887] [2022-11-16 04:26:50,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 04:26:50,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:26:50,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:26:50,670 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 04:26:50,671 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 04:26:50,726 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-16 04:26:50,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:26:50,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-16 04:26:50,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:26:50,896 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 04:26:50,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:26:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:26:51,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433277887] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:26:51,097 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:26:51,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 12] total 27 [2022-11-16 04:26:51,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666359800] [2022-11-16 04:26:51,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:26:51,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-16 04:26:51,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:26:51,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-16 04:26:51,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2022-11-16 04:26:51,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:51,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:26:51,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.518518518518518) internal successors, (149), 27 states have internal predecessors, (149), 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 04:26:51,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:51,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 04:26:51,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:51,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:51,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-16 04:26:51,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 04:26:51,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:52,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 04:26:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-16 04:26:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 04:26:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-16 04:26:52,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 04:26:52,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:26:52,204 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 04:26:52,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 04:26:52,205 INFO L85 PathProgramCache]: Analyzing trace with hash -2037292263, now seen corresponding path program 4 times [2022-11-16 04:26:52,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 04:26:52,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845929974] [2022-11-16 04:26:52,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 04:26:52,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 04:26:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 04:26:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 04:26:52,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 04:26:52,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845929974] [2022-11-16 04:26:52,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845929974] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 04:26:52,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085302558] [2022-11-16 04:26:52,522 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-16 04:26:52,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:26:52,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 04:26:52,524 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 04:26:52,527 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 04:26:52,588 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-16 04:26:52,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 04:26:52,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-16 04:26:52,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 04:26:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 04:26:53,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 04:26:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 04:26:53,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085302558] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 04:26:53,616 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 04:26:53,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 19] total 43 [2022-11-16 04:26:53,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557655872] [2022-11-16 04:26:53,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 04:26:53,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-11-16 04:26:53,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 04:26:53,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-11-16 04:26:53,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1637, Unknown=0, NotChecked=0, Total=1806 [2022-11-16 04:26:53,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:53,620 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 04:26:53,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.511627906976744) internal successors, (151), 43 states have internal predecessors, (151), 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 04:26:53,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:53,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 04:26:53,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:53,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 04:26:53,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-11-16 04:26:53,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-16 04:26:53,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-11-16 04:26:53,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 04:26:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 04:26:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:26:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 04:26:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-11-16 04:26:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-16 04:26:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-16 04:26:56,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-16 04:26:56,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-16 04:26:56,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-16 04:26:56,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-16 04:26:56,604 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 04:26:56,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 04:26:56,805 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2022-11-16 04:26:56,807 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 04:26:56,807 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 04:26:56,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 04:26:56 BasicIcfg [2022-11-16 04:26:56,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 04:26:56,809 INFO L158 Benchmark]: Toolchain (without parser) took 12661.12ms. Allocated memory was 210.8MB in the beginning and 396.4MB in the end (delta: 185.6MB). Free memory was 151.7MB in the beginning and 274.4MB in the end (delta: -122.7MB). Peak memory consumption was 62.7MB. Max. memory is 8.0GB. [2022-11-16 04:26:56,812 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 210.8MB. Free memory is still 167.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 04:26:56,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.79ms. Allocated memory was 210.8MB in the beginning and 272.6MB in the end (delta: 61.9MB). Free memory was 151.6MB in the beginning and 240.5MB in the end (delta: -88.9MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. [2022-11-16 04:26:56,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.16ms. Allocated memory is still 272.6MB. Free memory was 240.5MB in the beginning and 239.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 04:26:56,812 INFO L158 Benchmark]: Boogie Preprocessor took 33.95ms. Allocated memory is still 272.6MB. Free memory was 239.1MB in the beginning and 237.7MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-16 04:26:56,813 INFO L158 Benchmark]: RCFGBuilder took 380.75ms. Allocated memory is still 272.6MB. Free memory was 237.7MB in the beginning and 225.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-11-16 04:26:56,813 INFO L158 Benchmark]: TraceAbstraction took 11966.25ms. Allocated memory was 272.6MB in the beginning and 396.4MB in the end (delta: 123.7MB). Free memory was 224.8MB in the beginning and 274.4MB in the end (delta: -49.7MB). Peak memory consumption was 74.1MB. Max. memory is 8.0GB. [2022-11-16 04:26:56,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 210.8MB. Free memory is still 167.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 241.79ms. Allocated memory was 210.8MB in the beginning and 272.6MB in the end (delta: 61.9MB). Free memory was 151.6MB in the beginning and 240.5MB in the end (delta: -88.9MB). Peak memory consumption was 7.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.16ms. Allocated memory is still 272.6MB. Free memory was 240.5MB in the beginning and 239.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.95ms. Allocated memory is still 272.6MB. Free memory was 239.1MB in the beginning and 237.7MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 380.75ms. Allocated memory is still 272.6MB. Free memory was 237.7MB in the beginning and 225.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 11966.25ms. Allocated memory was 272.6MB in the beginning and 396.4MB in the end (delta: 123.7MB). Free memory was 224.8MB in the beginning and 274.4MB in the end (delta: -49.7MB). Peak memory consumption was 74.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6181, independent: 4625, independent conditional: 3715, independent unconditional: 910, dependent: 1556, dependent conditional: 1550, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4631, independent: 4625, independent conditional: 3715, independent unconditional: 910, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4631, independent: 4625, independent conditional: 3715, independent unconditional: 910, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4631, independent: 4625, independent conditional: 0, independent unconditional: 4625, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4631, independent: 4625, independent conditional: 0, independent unconditional: 4625, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4631, independent: 4625, independent conditional: 0, independent unconditional: 4625, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 815, independent: 809, independent conditional: 0, independent unconditional: 809, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 815, independent: 807, independent conditional: 0, independent unconditional: 807, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4631, independent: 3816, independent conditional: 0, independent unconditional: 3816, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 815, unknown conditional: 0, unknown unconditional: 815] , Statistics on independence cache: Total cache size (in pairs): 815, Positive cache size: 809, Positive conditional cache size: 0, Positive unconditional cache size: 809, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, 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: 1550 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 321, Number of trivial persistent sets: 290, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 916, independent: 910, independent conditional: 0, independent unconditional: 910, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6181, independent: 4625, independent conditional: 3715, independent unconditional: 910, dependent: 1556, dependent conditional: 1550, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4631, independent: 4625, independent conditional: 3715, independent unconditional: 910, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4631, independent: 4625, independent conditional: 3715, independent unconditional: 910, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4631, independent: 4625, independent conditional: 0, independent unconditional: 4625, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4631, independent: 4625, independent conditional: 0, independent unconditional: 4625, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4631, independent: 4625, independent conditional: 0, independent unconditional: 4625, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 815, independent: 809, independent conditional: 0, independent unconditional: 809, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 815, independent: 807, independent conditional: 0, independent unconditional: 807, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4631, independent: 3816, independent conditional: 0, independent unconditional: 3816, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 815, unknown conditional: 0, unknown unconditional: 815] , Statistics on independence cache: Total cache size (in pairs): 815, Positive cache size: 809, Positive conditional cache size: 0, Positive unconditional cache size: 809, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, 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: 1550 - PositiveResult [Line: 79]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 104 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 11.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 6.1s, 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: 221, 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, 0.2s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 850 NumberOfCodeBlocks, 850 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1130 ConstructedInterpolants, 0 QuantifiedInterpolants, 5089 SizeOfPredicates, 37 NumberOfNonLiveVariables, 648 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 16 InterpolantComputations, 4 PerfectInterpolantSequences, 30/86 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 04:26:56,842 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 04:26:57,043 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...