./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/fib_safe-10.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5dad65ad Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread/fib_safe-10.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d0c5b9355e30d5caa4f24695b56ab4fa8d9d282078ca8b4e24a8f9b8920e450 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-dev-5dad65a-m [2024-10-22 09:44:01,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-22 09:44:01,725 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-22 09:44:01,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-22 09:44:01,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-22 09:44:01,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-22 09:44:01,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-22 09:44:01,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-22 09:44:01,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-22 09:44:01,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-22 09:44:01,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-22 09:44:01,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-22 09:44:01,749 INFO L153 SettingsManager]: * Use SBE=true [2024-10-22 09:44:01,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-22 09:44:01,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-22 09:44:01,750 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-22 09:44:01,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-22 09:44:01,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-22 09:44:01,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-22 09:44:01,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-22 09:44:01,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-22 09:44:01,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-22 09:44:01,753 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-22 09:44:01,754 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-22 09:44:01,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-22 09:44:01,754 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-22 09:44:01,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-22 09:44:01,754 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-22 09:44:01,755 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-22 09:44:01,755 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-22 09:44:01,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-22 09:44:01,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-22 09:44:01,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-22 09:44:01,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-22 09:44:01,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-22 09:44:01,756 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-22 09:44:01,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-22 09:44:01,757 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-22 09:44:01,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-22 09:44:01,758 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-22 09:44:01,758 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-22 09:44:01,758 INFO L153 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d0c5b9355e30d5caa4f24695b56ab4fa8d9d282078ca8b4e24a8f9b8920e450 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2024-10-22 09:44:01,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-22 09:44:01,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-22 09:44:01,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-22 09:44:01,995 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-22 09:44:01,995 INFO L274 PluginConnector]: CDTParser initialized [2024-10-22 09:44:01,997 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_safe-10.i [2024-10-22 09:44:03,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-22 09:44:03,497 INFO L384 CDTParser]: Found 1 translation units. [2024-10-22 09:44:03,497 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-10.i [2024-10-22 09:44:03,514 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c4b81fc64/b41ffe7a65cf4fb9890ba14d71ea379e/FLAG17855f4b6 [2024-10-22 09:44:03,849 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c4b81fc64/b41ffe7a65cf4fb9890ba14d71ea379e [2024-10-22 09:44:03,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-22 09:44:03,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-22 09:44:03,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-22 09:44:03,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-22 09:44:03,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-22 09:44:03,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:44:03" (1/1) ... [2024-10-22 09:44:03,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@914cfa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:44:03, skipping insertion in model container [2024-10-22 09:44:03,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:44:03" (1/1) ... [2024-10-22 09:44:03,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-22 09:44:04,192 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-10.i[30241,30254] [2024-10-22 09:44:04,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 09:44:04,224 INFO L200 MainTranslator]: Completed pre-run [2024-10-22 09:44:04,256 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-10.i[30241,30254] [2024-10-22 09:44:04,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 09:44:04,298 INFO L204 MainTranslator]: Completed translation [2024-10-22 09:44:04,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:44:04 WrapperNode [2024-10-22 09:44:04,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-22 09:44:04,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-22 09:44:04,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-22 09:44:04,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-22 09:44:04,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:44:04" (1/1) ... [2024-10-22 09:44:04,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:44:04" (1/1) ... [2024-10-22 09:44:04,346 INFO L138 Inliner]: procedures = 164, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-10-22 09:44:04,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-22 09:44:04,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-22 09:44:04,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-22 09:44:04,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-22 09:44:04,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:44:04" (1/1) ... [2024-10-22 09:44:04,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:44:04" (1/1) ... [2024-10-22 09:44:04,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:44:04" (1/1) ... [2024-10-22 09:44:04,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:44:04" (1/1) ... [2024-10-22 09:44:04,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:44:04" (1/1) ... [2024-10-22 09:44:04,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:44:04" (1/1) ... [2024-10-22 09:44:04,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:44:04" (1/1) ... [2024-10-22 09:44:04,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:44:04" (1/1) ... [2024-10-22 09:44:04,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-22 09:44:04,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-22 09:44:04,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-22 09:44:04,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-22 09:44:04,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:44:04" (1/1) ... [2024-10-22 09:44:04,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-22 09:44:04,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:44:04,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-22 09:44:04,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-22 09:44:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-10-22 09:44:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-10-22 09:44:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-10-22 09:44:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-10-22 09:44:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-22 09:44:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-22 09:44:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-22 09:44:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-22 09:44:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-22 09:44:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-22 09:44:04,458 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-22 09:44:04,581 INFO L238 CfgBuilder]: Building ICFG [2024-10-22 09:44:04,583 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-22 09:44:04,719 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-22 09:44:04,719 INFO L287 CfgBuilder]: Performing block encoding [2024-10-22 09:44:04,820 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-22 09:44:04,821 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-22 09:44:04,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:44:04 BoogieIcfgContainer [2024-10-22 09:44:04,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-22 09:44:04,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-22 09:44:04,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-22 09:44:04,828 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-22 09:44:04,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:44:03" (1/3) ... [2024-10-22 09:44:04,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406455b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:44:04, skipping insertion in model container [2024-10-22 09:44:04,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:44:04" (2/3) ... [2024-10-22 09:44:04,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406455b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:44:04, skipping insertion in model container [2024-10-22 09:44:04,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:44:04" (3/3) ... [2024-10-22 09:44:04,831 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-10.i [2024-10-22 09:44:04,847 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-22 09:44:04,848 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-22 09:44:04,848 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-22 09:44:04,882 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-22 09:44:04,924 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-22 09:44:04,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-22 09:44:04,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:44:04,929 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-22 09:44:04,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-22 09:44:04,965 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-22 09:44:04,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-22 09:44:04,987 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@cf91453, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-22 09:44:04,988 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-22 09:44:05,492 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 09:44:05,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 09:44:05,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1703157173, now seen corresponding path program 1 times [2024-10-22 09:44:05,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 09:44:05,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017484783] [2024-10-22 09:44:05,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:44:05,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 09:44:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:44:05,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:05,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 09:44:05,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017484783] [2024-10-22 09:44:05,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017484783] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 09:44:05,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-22 09:44:05,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-22 09:44:05,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968809263] [2024-10-22 09:44:05,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 09:44:05,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-22 09:44:05,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 09:44:05,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-22 09:44:05,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-22 09:44:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:44:05,844 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 09:44:05,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-10-22 09:44:05,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:44:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:44:05,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-22 09:44:05,902 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 09:44:05,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 09:44:05,902 INFO L85 PathProgramCache]: Analyzing trace with hash 311074172, now seen corresponding path program 1 times [2024-10-22 09:44:05,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 09:44:05,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541686602] [2024-10-22 09:44:05,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:44:05,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 09:44:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:44:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:06,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 09:44:06,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541686602] [2024-10-22 09:44:06,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541686602] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 09:44:06,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061564424] [2024-10-22 09:44:06,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:44:06,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:44:06,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:44:06,033 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 09:44:06,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-22 09:44:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:44:06,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-22 09:44:06,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 09:44:06,139 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:06,139 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 09:44:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:06,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061564424] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 09:44:06,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 09:44:06,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-22 09:44:06,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468614719] [2024-10-22 09:44:06,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 09:44:06,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-22 09:44:06,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 09:44:06,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-22 09:44:06,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-22 09:44:06,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:44:06,176 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 09:44:06,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 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) [2024-10-22 09:44:06,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:44:06,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:44:06,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:44:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:44:06,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-22 09:44:06,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-22 09:44:06,449 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 09:44:06,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 09:44:06,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1499777035, now seen corresponding path program 2 times [2024-10-22 09:44:06,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 09:44:06,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089199048] [2024-10-22 09:44:06,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:44:06,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 09:44:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:44:06,622 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:06,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 09:44:06,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089199048] [2024-10-22 09:44:06,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089199048] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 09:44:06,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754423346] [2024-10-22 09:44:06,624 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 09:44:06,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:44:06,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:44:06,626 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 09:44:06,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-22 09:44:06,703 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 09:44:06,703 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 09:44:06,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-22 09:44:06,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 09:44:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:06,761 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 09:44:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:06,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754423346] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 09:44:06,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 09:44:06,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-22 09:44:06,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719720996] [2024-10-22 09:44:06,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 09:44:06,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-22 09:44:06,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 09:44:06,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-22 09:44:06,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-22 09:44:06,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:44:06,864 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 09:44:06,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 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) [2024-10-22 09:44:06,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:44:06,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:44:06,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:44:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:44:07,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:44:07,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:44:07,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-22 09:44:07,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:44:07,202 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 09:44:07,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 09:44:07,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1238457173, now seen corresponding path program 3 times [2024-10-22 09:44:07,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 09:44:07,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076858994] [2024-10-22 09:44:07,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:44:07,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 09:44:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:44:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:07,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 09:44:07,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076858994] [2024-10-22 09:44:07,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076858994] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 09:44:07,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415903316] [2024-10-22 09:44:07,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 09:44:07,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:44:07,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:44:07,556 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 09:44:07,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-22 09:44:07,647 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-22 09:44:07,648 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 09:44:07,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-22 09:44:07,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 09:44:07,869 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:07,869 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-22 09:44:07,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415903316] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 09:44:07,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-22 09:44:07,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 24 [2024-10-22 09:44:07,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535638452] [2024-10-22 09:44:07,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 09:44:07,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-22 09:44:07,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 09:44:07,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-22 09:44:07,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-10-22 09:44:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:44:07,872 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 09:44:07,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 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) [2024-10-22 09:44:07,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:44:07,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:44:07,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:44:07,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:44:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:44:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:44:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:44:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:44:08,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-22 09:44:08,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:44:08,253 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 09:44:08,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 09:44:08,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1075693685, now seen corresponding path program 1 times [2024-10-22 09:44:08,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 09:44:08,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950406609] [2024-10-22 09:44:08,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:44:08,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 09:44:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:44:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:08,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 09:44:08,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950406609] [2024-10-22 09:44:08,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950406609] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 09:44:08,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881051411] [2024-10-22 09:44:08,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:44:08,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:44:08,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:44:08,515 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 09:44:08,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-22 09:44:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:44:08,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-22 09:44:08,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 09:44:08,863 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 365 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:08,863 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-22 09:44:08,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881051411] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-22 09:44:08,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-22 09:44:08,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 24 [2024-10-22 09:44:08,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241064760] [2024-10-22 09:44:08,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-22 09:44:08,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-22 09:44:08,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 09:44:08,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-22 09:44:08,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-10-22 09:44:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:44:08,865 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 09:44:08,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 13 states have internal predecessors, (89), 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) [2024-10-22 09:44:08,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:44:08,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:44:08,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:44:08,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:44:08,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:44:09,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:44:09,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:44:09,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:44:09,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:44:09,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:44:09,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-22 09:44:09,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:44:09,252 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 09:44:09,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 09:44:09,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1976406389, now seen corresponding path program 1 times [2024-10-22 09:44:09,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 09:44:09,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931504923] [2024-10-22 09:44:09,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:44:09,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 09:44:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:44:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:09,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 09:44:09,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931504923] [2024-10-22 09:44:09,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931504923] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 09:44:09,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607392538] [2024-10-22 09:44:09,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:44:09,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:44:09,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:44:09,493 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 09:44:09,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-22 09:44:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:44:09,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-22 09:44:09,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 09:44:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:09,662 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 09:44:09,880 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:09,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607392538] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 09:44:09,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 09:44:09,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-10-22 09:44:09,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266769787] [2024-10-22 09:44:09,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 09:44:09,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-22 09:44:09,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 09:44:09,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-22 09:44:09,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-10-22 09:44:09,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:44:09,883 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 09:44:09,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.76) internal successors, (169), 25 states have internal predecessors, (169), 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) [2024-10-22 09:44:09,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:44:09,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:44:09,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:44:09,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:44:09,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:44:09,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:44:09,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:44:09,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:44:09,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:44:09,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:44:09,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:44:09,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:44:10,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-22 09:44:10,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:44:10,198 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 09:44:10,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 09:44:10,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1523370229, now seen corresponding path program 2 times [2024-10-22 09:44:10,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 09:44:10,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147332106] [2024-10-22 09:44:10,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:44:10,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 09:44:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:44:13,254 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:13,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 09:44:13,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147332106] [2024-10-22 09:44:13,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147332106] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 09:44:13,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965431895] [2024-10-22 09:44:13,256 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 09:44:13,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:44:13,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:44:13,258 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 09:44:13,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-22 09:44:13,357 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 09:44:13,357 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 09:44:13,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-10-22 09:44:13,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 09:44:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 66 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:16,286 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 09:44:20,204 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:20,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965431895] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 09:44:20,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 09:44:20,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2024-10-22 09:44:20,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938389934] [2024-10-22 09:44:20,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 09:44:20,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-10-22 09:44:20,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 09:44:20,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-10-22 09:44:20,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1892, Invalid=18988, Unknown=0, NotChecked=0, Total=20880 [2024-10-22 09:44:20,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:44:20,213 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 09:44:20,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 2.0344827586206895) internal successors, (295), 144 states have internal predecessors, (295), 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) [2024-10-22 09:44:20,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:44:20,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:44:20,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:44:20,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:44:20,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:44:20,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:44:20,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:44:51,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:44:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:44:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:44:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:44:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:44:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:44:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-10-22 09:44:51,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-22 09:44:52,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-22 09:44:52,171 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 09:44:52,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 09:44:52,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1810739531, now seen corresponding path program 3 times [2024-10-22 09:44:52,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 09:44:52,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493751975] [2024-10-22 09:44:52,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:44:52,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 09:44:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:44:54,720 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:54,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 09:44:54,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493751975] [2024-10-22 09:44:54,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493751975] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 09:44:54,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281241329] [2024-10-22 09:44:54,720 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 09:44:54,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:44:54,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:44:54,722 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 09:44:54,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-22 09:44:54,804 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-22 09:44:54,804 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 09:44:54,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-10-22 09:44:54,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 09:44:57,532 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 55 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:44:57,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 09:45:00,990 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:45:00,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281241329] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 09:45:00,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 09:45:00,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2024-10-22 09:45:00,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965444081] [2024-10-22 09:45:00,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 09:45:00,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-10-22 09:45:00,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 09:45:00,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-10-22 09:45:00,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1833, Invalid=19047, Unknown=0, NotChecked=0, Total=20880 [2024-10-22 09:45:00,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:45:00,996 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 09:45:00,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 2.0344827586206895) internal successors, (295), 144 states have internal predecessors, (295), 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) [2024-10-22 09:45:00,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:45:00,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:45:00,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:45:00,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:45:00,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:45:00,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:45:00,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-10-22 09:45:00,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:46:07,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:46:07,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:46:07,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:46:07,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:46:07,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:46:07,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:46:07,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2024-10-22 09:46:07,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2024-10-22 09:46:07,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-22 09:46:07,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:46:07,573 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 09:46:07,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 09:46:07,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1846341387, now seen corresponding path program 4 times [2024-10-22 09:46:07,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 09:46:07,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591395420] [2024-10-22 09:46:07,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:46:07,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 09:46:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:46:09,808 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:46:09,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 09:46:09,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591395420] [2024-10-22 09:46:09,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591395420] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 09:46:09,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521542767] [2024-10-22 09:46:09,809 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-22 09:46:09,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:46:09,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:46:09,811 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 09:46:09,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-22 09:46:09,900 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-22 09:46:09,900 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 09:46:09,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-10-22 09:46:09,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 09:46:12,496 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 66 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:46:12,497 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 09:46:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:46:15,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521542767] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 09:46:15,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 09:46:15,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2024-10-22 09:46:15,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71006805] [2024-10-22 09:46:15,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 09:46:15,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-10-22 09:46:15,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 09:46:15,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-10-22 09:46:15,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1862, Invalid=19018, Unknown=0, NotChecked=0, Total=20880 [2024-10-22 09:46:15,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:46:15,823 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 09:46:15,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 2.0344827586206895) internal successors, (295), 144 states have internal predecessors, (295), 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) [2024-10-22 09:46:15,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:46:15,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:46:15,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:46:15,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:46:15,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:46:15,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:46:15,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2024-10-22 09:46:15,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2024-10-22 09:46:15,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:47:08,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:47:08,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:47:08,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:47:08,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:47:08,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:47:08,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:47:08,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2024-10-22 09:47:08,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-10-22 09:47:08,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-10-22 09:47:08,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-22 09:47:08,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:47:08,315 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 09:47:08,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 09:47:08,315 INFO L85 PathProgramCache]: Analyzing trace with hash -924969589, now seen corresponding path program 5 times [2024-10-22 09:47:08,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 09:47:08,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602178484] [2024-10-22 09:47:08,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:47:08,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 09:47:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:47:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:47:10,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 09:47:10,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602178484] [2024-10-22 09:47:10,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602178484] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 09:47:10,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383678291] [2024-10-22 09:47:10,374 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-22 09:47:10,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:47:10,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:47:10,376 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 09:47:10,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-22 09:47:10,445 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-10-22 09:47:10,446 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 09:47:10,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-10-22 09:47:10,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 09:47:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 55 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:47:13,134 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 09:47:16,387 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:47:16,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383678291] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 09:47:16,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 09:47:16,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2024-10-22 09:47:16,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464360465] [2024-10-22 09:47:16,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 09:47:16,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-10-22 09:47:16,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 09:47:16,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-10-22 09:47:16,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1892, Invalid=18988, Unknown=0, NotChecked=0, Total=20880 [2024-10-22 09:47:16,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:47:16,392 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 09:47:16,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 2.0344827586206895) internal successors, (295), 144 states have internal predecessors, (295), 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) [2024-10-22 09:47:16,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:47:16,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:47:16,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:47:16,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:47:16,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:47:16,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:47:16,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2024-10-22 09:47:16,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-10-22 09:47:16,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-10-22 09:47:16,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:49:00,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:49:00,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:49:00,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:49:00,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:49:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:49:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:49:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-10-22 09:49:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2024-10-22 09:49:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2024-10-22 09:49:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-10-22 09:49:00,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-22 09:49:01,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-22 09:49:01,016 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 09:49:01,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 09:49:01,016 INFO L85 PathProgramCache]: Analyzing trace with hash 128904641, now seen corresponding path program 6 times [2024-10-22 09:49:01,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 09:49:01,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659491734] [2024-10-22 09:49:01,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:49:01,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 09:49:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:49:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:49:03,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 09:49:03,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659491734] [2024-10-22 09:49:03,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659491734] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 09:49:03,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366519212] [2024-10-22 09:49:03,061 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-22 09:49:03,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:49:03,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:49:03,063 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 09:49:03,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-22 09:49:03,135 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-10-22 09:49:03,135 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 09:49:03,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-10-22 09:49:03,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 09:49:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 55 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:49:05,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 09:49:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:49:09,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366519212] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 09:49:09,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 09:49:09,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2024-10-22 09:49:09,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086451962] [2024-10-22 09:49:09,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 09:49:09,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-10-22 09:49:09,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 09:49:09,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-10-22 09:49:09,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1845, Invalid=19035, Unknown=0, NotChecked=0, Total=20880 [2024-10-22 09:49:09,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:49:09,032 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 09:49:09,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 2.0344827586206895) internal successors, (295), 144 states have internal predecessors, (295), 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) [2024-10-22 09:49:09,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:49:09,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:49:09,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:49:09,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:49:09,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:49:09,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:49:09,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-10-22 09:49:09,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 210 states. [2024-10-22 09:49:09,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 262 states. [2024-10-22 09:49:09,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-10-22 09:49:09,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:52:50,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:52:50,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:52:50,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:52:50,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:52:50,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:52:50,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:52:50,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2024-10-22 09:52:50,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-10-22 09:52:50,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 380 states. [2024-10-22 09:52:50,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2024-10-22 09:52:50,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 275 states. [2024-10-22 09:52:50,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-22 09:52:50,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:52:50,954 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 09:52:50,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 09:52:50,954 INFO L85 PathProgramCache]: Analyzing trace with hash -42492021, now seen corresponding path program 7 times [2024-10-22 09:52:50,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 09:52:50,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813672548] [2024-10-22 09:52:50,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:52:50,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 09:52:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:52:52,851 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:52:52,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 09:52:52,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813672548] [2024-10-22 09:52:52,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813672548] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 09:52:52,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234797095] [2024-10-22 09:52:52,852 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-10-22 09:52:52,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:52:52,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:52:52,853 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 09:52:52,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-22 09:52:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:52:52,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-10-22 09:52:52,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 09:52:55,673 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 66 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:52:55,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 09:52:59,148 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:52:59,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234797095] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 09:52:59,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 09:52:59,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2024-10-22 09:52:59,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661085962] [2024-10-22 09:52:59,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 09:52:59,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-10-22 09:52:59,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 09:52:59,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-10-22 09:52:59,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1912, Invalid=18968, Unknown=0, NotChecked=0, Total=20880 [2024-10-22 09:52:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:52:59,151 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 09:52:59,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 2.0344827586206895) internal successors, (295), 144 states have internal predecessors, (295), 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) [2024-10-22 09:52:59,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:52:59,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:52:59,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:52:59,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:52:59,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:52:59,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:52:59,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 357 states. [2024-10-22 09:52:59,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-10-22 09:52:59,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 380 states. [2024-10-22 09:52:59,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2024-10-22 09:52:59,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 275 states. [2024-10-22 09:52:59,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:54:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:54:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:54:40,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:54:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:54:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:54:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:54:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 370 states. [2024-10-22 09:54:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 357 states. [2024-10-22 09:54:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 385 states. [2024-10-22 09:54:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 275 states. [2024-10-22 09:54:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 275 states. [2024-10-22 09:54:40,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 308 states. [2024-10-22 09:54:40,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-10-22 09:54:41,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-22 09:54:41,046 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 09:54:41,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 09:54:41,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1099268341, now seen corresponding path program 8 times [2024-10-22 09:54:41,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 09:54:41,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956729075] [2024-10-22 09:54:41,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:54:41,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 09:54:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:54:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:54:42,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 09:54:42,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956729075] [2024-10-22 09:54:42,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956729075] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 09:54:42,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206814268] [2024-10-22 09:54:42,910 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-22 09:54:42,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:54:42,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:54:42,912 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 09:54:42,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-22 09:54:42,986 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-22 09:54:42,986 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 09:54:42,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-10-22 09:54:42,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 09:54:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 66 proven. 477 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:54:45,544 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 09:54:48,836 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:54:48,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206814268] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 09:54:48,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 09:54:48,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2024-10-22 09:54:48,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043916335] [2024-10-22 09:54:48,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 09:54:48,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-10-22 09:54:48,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 09:54:48,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-10-22 09:54:48,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1881, Invalid=18999, Unknown=0, NotChecked=0, Total=20880 [2024-10-22 09:54:48,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:54:48,839 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 09:54:48,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 2.0344827586206895) internal successors, (295), 144 states have internal predecessors, (295), 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) [2024-10-22 09:54:48,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:54:48,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:54:48,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:54:48,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:54:48,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:54:48,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:54:48,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 370 states. [2024-10-22 09:54:48,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 357 states. [2024-10-22 09:54:48,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 385 states. [2024-10-22 09:54:48,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 275 states. [2024-10-22 09:54:48,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 275 states. [2024-10-22 09:54:48,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 308 states. [2024-10-22 09:54:48,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:56:53,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:56:53,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:56:53,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:56:53,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:56:53,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:56:53,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:56:53,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 386 states. [2024-10-22 09:56:53,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 365 states. [2024-10-22 09:56:53,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 393 states. [2024-10-22 09:56:53,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2024-10-22 09:56:53,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-10-22 09:56:53,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2024-10-22 09:56:53,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 319 states. [2024-10-22 09:56:53,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-22 09:56:53,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-22 09:56:53,523 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-22 09:56:53,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-22 09:56:53,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1052215873, now seen corresponding path program 9 times [2024-10-22 09:56:53,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-22 09:56:53,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87370043] [2024-10-22 09:56:53,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-22 09:56:53,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-22 09:56:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-22 09:56:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:56:55,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-22 09:56:55,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87370043] [2024-10-22 09:56:55,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87370043] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-22 09:56:55,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651038274] [2024-10-22 09:56:55,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-22 09:56:55,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-22 09:56:55,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-22 09:56:55,369 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-22 09:56:55,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-22 09:56:55,442 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-10-22 09:56:55,442 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-22 09:56:55,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-10-22 09:56:55,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-22 09:56:58,127 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 55 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:56:58,128 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-22 09:57:01,407 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 543 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-22 09:57:01,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651038274] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-22 09:57:01,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-22 09:57:01,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 144 [2024-10-22 09:57:01,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136305016] [2024-10-22 09:57:01,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-22 09:57:01,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2024-10-22 09:57:01,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-22 09:57:01,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2024-10-22 09:57:01,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1918, Invalid=18962, Unknown=0, NotChecked=0, Total=20880 [2024-10-22 09:57:01,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-22 09:57:01,412 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-22 09:57:01,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 2.0344827586206895) internal successors, (295), 144 states have internal predecessors, (295), 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) [2024-10-22 09:57:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-22 09:57:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-22 09:57:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-22 09:57:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:57:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-22 09:57:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-22 09:57:01,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 386 states. [2024-10-22 09:57:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 365 states. [2024-10-22 09:57:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 393 states. [2024-10-22 09:57:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2024-10-22 09:57:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2024-10-22 09:57:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2024-10-22 09:57:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 319 states. [2024-10-22 09:57:01,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15