/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 18:52:05,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 18:52:05,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 18:52:05,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 18:52:05,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 18:52:05,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 18:52:05,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 18:52:05,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 18:52:05,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 18:52:05,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 18:52:05,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 18:52:05,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 18:52:05,538 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 18:52:05,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 18:52:05,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 18:52:05,540 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 18:52:05,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 18:52:05,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 18:52:05,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 18:52:05,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 18:52:05,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 18:52:05,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 18:52:05,542 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 18:52:05,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 18:52:05,542 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 18:52:05,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 18:52:05,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 18:52:05,543 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 18:52:05,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 18:52:05,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 18:52:05,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 18:52:05,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 18:52:05,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 18:52:05,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 18:52:05,546 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 18:52:05,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 18:52:05,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 18:52:05,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 18:52:05,546 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 18:52:05,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 18:52:05,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 18:52:05,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 18:52:05,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 18:52:05,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 18:52:05,863 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 18:52:05,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-05-07 18:52:07,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 18:52:07,277 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 18:52:07,278 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-05-07 18:52:07,287 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2c737dc7d/f977f7d4f549448aaa12b02b1f8f201f/FLAG743d2cd66 [2024-05-07 18:52:07,304 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2c737dc7d/f977f7d4f549448aaa12b02b1f8f201f [2024-05-07 18:52:07,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 18:52:07,309 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 18:52:07,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 18:52:07,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 18:52:07,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 18:52:07,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:52:07" (1/1) ... [2024-05-07 18:52:07,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551a145f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:52:07, skipping insertion in model container [2024-05-07 18:52:07,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:52:07" (1/1) ... [2024-05-07 18:52:07,352 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 18:52:07,539 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2024-05-07 18:52:07,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 18:52:07,560 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 18:52:07,584 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2024-05-07 18:52:07,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 18:52:07,595 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 18:52:07,595 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 18:52:07,601 INFO L206 MainTranslator]: Completed translation [2024-05-07 18:52:07,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:52:07 WrapperNode [2024-05-07 18:52:07,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 18:52:07,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 18:52:07,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 18:52:07,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 18:52:07,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:52:07" (1/1) ... [2024-05-07 18:52:07,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:52:07" (1/1) ... [2024-05-07 18:52:07,655 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 331 [2024-05-07 18:52:07,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 18:52:07,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 18:52:07,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 18:52:07,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 18:52:07,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:52:07" (1/1) ... [2024-05-07 18:52:07,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:52:07" (1/1) ... [2024-05-07 18:52:07,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:52:07" (1/1) ... [2024-05-07 18:52:07,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:52:07" (1/1) ... [2024-05-07 18:52:07,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:52:07" (1/1) ... [2024-05-07 18:52:07,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:52:07" (1/1) ... [2024-05-07 18:52:07,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:52:07" (1/1) ... [2024-05-07 18:52:07,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:52:07" (1/1) ... [2024-05-07 18:52:07,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 18:52:07,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 18:52:07,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 18:52:07,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 18:52:07,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:52:07" (1/1) ... [2024-05-07 18:52:07,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 18:52:07,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:52:07,735 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) [2024-05-07 18:52:07,762 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 [2024-05-07 18:52:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 18:52:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 18:52:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 18:52:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 18:52:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 18:52:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 18:52:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 18:52:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 18:52:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-07 18:52:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-07 18:52:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-07 18:52:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-07 18:52:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 18:52:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 18:52:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 18:52:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-07 18:52:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 18:52:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 18:52:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 18:52:07,795 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 18:52:07,973 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 18:52:07,975 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 18:52:08,459 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 18:52:08,645 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 18:52:08,645 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-05-07 18:52:08,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:52:08 BoogieIcfgContainer [2024-05-07 18:52:08,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 18:52:08,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 18:52:08,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 18:52:08,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 18:52:08,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 06:52:07" (1/3) ... [2024-05-07 18:52:08,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f734f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:52:08, skipping insertion in model container [2024-05-07 18:52:08,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:52:07" (2/3) ... [2024-05-07 18:52:08,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f734f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:52:08, skipping insertion in model container [2024-05-07 18:52:08,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:52:08" (3/3) ... [2024-05-07 18:52:08,655 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2024-05-07 18:52:08,663 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 18:52:08,670 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 18:52:08,670 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 18:52:08,670 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 18:52:08,750 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-07 18:52:08,806 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 18:52:08,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 18:52:08,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:52:08,809 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) [2024-05-07 18:52:08,821 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 [2024-05-07 18:52:08,847 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 18:52:08,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:52:08,859 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 18:52:08,865 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@621e33bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false [2024-05-07 18:52:08,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-07 18:52:09,789 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:52:09,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-05-07 18:52:12,779 INFO L85 PathProgramCache]: Analyzing trace with hash 2037729174, now seen corresponding path program 1 times [2024-05-07 18:52:12,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:12,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-07 18:52:13,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:13,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-07 18:52:13,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 18:52:13,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 18:52:13,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1360417051, now seen corresponding path program 1 times [2024-05-07 18:52:13,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:13,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-07 18:52:14,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:14,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-07 18:52:14,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 18:52:14,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-05-07 18:52:14,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1421433502, now seen corresponding path program 1 times [2024-05-07 18:52:14,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:14,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:14,669 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-07 18:52:14,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:14,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:14,850 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-07 18:52:14,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-07 18:52:14,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-05-07 18:52:15,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-05-07 18:52:15,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1271036407, now seen corresponding path program 2 times [2024-05-07 18:52:15,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:15,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:15,720 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-05-07 18:52:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:15,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:16,023 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-05-07 18:52:16,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 18:52:16,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-05-07 18:52:16,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-05-07 18:52:16,523 INFO L85 PathProgramCache]: Analyzing trace with hash -133720459, now seen corresponding path program 1 times [2024-05-07 18:52:16,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:16,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 23 proven. 20 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-07 18:52:17,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:17,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:17,738 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 23 proven. 20 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-07 18:52:17,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-05-07 18:52:18,020 INFO L85 PathProgramCache]: Analyzing trace with hash 278387654, now seen corresponding path program 2 times [2024-05-07 18:52:18,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:18,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:18,524 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 20 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-07 18:52:18,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:18,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 20 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-07 18:52:19,117 INFO L85 PathProgramCache]: Analyzing trace with hash 341896126, now seen corresponding path program 3 times [2024-05-07 18:52:19,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:19,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 23 proven. 20 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-07 18:52:19,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:19,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:20,031 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 23 proven. 20 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-07 18:52:20,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-05-07 18:52:20,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1812144633, now seen corresponding path program 4 times [2024-05-07 18:52:20,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:20,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:20,774 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 23 proven. 20 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-07 18:52:20,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:20,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 23 proven. 20 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-07 18:52:21,392 INFO L85 PathProgramCache]: Analyzing trace with hash 538197231, now seen corresponding path program 5 times [2024-05-07 18:52:21,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:21,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:21,783 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 20 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-07 18:52:21,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:21,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:22,204 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 23 proven. 20 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-07 18:52:22,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1327147708, now seen corresponding path program 6 times [2024-05-07 18:52:22,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:22,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:22,819 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 23 proven. 20 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-07 18:52:22,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:22,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 23 proven. 20 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-07 18:52:23,315 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:52:23,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:52:23,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1465094302, now seen corresponding path program 1 times [2024-05-07 18:52:23,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:52:23,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74840830] [2024-05-07 18:52:23,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:23,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 107 proven. 11 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-05-07 18:52:23,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:52:23,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74840830] [2024-05-07 18:52:23,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74840830] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:52:23,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96258749] [2024-05-07 18:52:23,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:23,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:52:23,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:52:23,832 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) [2024-05-07 18:52:23,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 18:52:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:24,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-07 18:52:24,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:52:24,381 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 118 proven. 1 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-05-07 18:52:24,381 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:52:24,713 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 107 proven. 12 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-05-07 18:52:24,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96258749] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:52:24,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:52:24,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2024-05-07 18:52:24,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679933977] [2024-05-07 18:52:24,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:52:24,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-07 18:52:24,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:52:24,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-07 18:52:24,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2024-05-07 18:52:24,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:52:24,728 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:52:24,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 19.227272727272727) internal successors, (423), 22 states have internal predecessors, (423), 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) [2024-05-07 18:52:24,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:52:25,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-05-07 18:52:25,624 INFO L85 PathProgramCache]: Analyzing trace with hash -865843572, now seen corresponding path program 1 times [2024-05-07 18:52:25,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:25,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:26,086 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 16 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-05-07 18:52:26,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:26,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:26,471 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 16 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-05-07 18:52:26,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1413753, now seen corresponding path program 7 times [2024-05-07 18:52:26,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:26,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 18 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-05-07 18:52:27,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:27,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 18 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-05-07 18:52:27,735 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 18:52:27,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2024-05-07 18:52:28,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1135441016, now seen corresponding path program 8 times [2024-05-07 18:52:28,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:28,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 18 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-05-07 18:52:28,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:28,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:28,998 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 18 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-05-07 18:52:29,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:52:29,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-07 18:52:29,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26 [2024-05-07 18:52:29,236 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:52:29,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:52:29,237 INFO L85 PathProgramCache]: Analyzing trace with hash 558384876, now seen corresponding path program 2 times [2024-05-07 18:52:29,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:52:29,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471959741] [2024-05-07 18:52:29,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:29,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 148 proven. 35 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-05-07 18:52:29,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:52:29,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471959741] [2024-05-07 18:52:29,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471959741] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:52:29,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284352075] [2024-05-07 18:52:29,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 18:52:29,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:52:29,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:52:29,766 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) [2024-05-07 18:52:29,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 18:52:30,068 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 18:52:30,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:52:30,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-07 18:52:30,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:52:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 161 proven. 10 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-07 18:52:30,510 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:52:30,936 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 127 proven. 44 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-07 18:52:30,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284352075] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:52:30,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:52:30,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2024-05-07 18:52:30,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821509664] [2024-05-07 18:52:30,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:52:30,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-07 18:52:30,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:52:30,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-07 18:52:30,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=808, Unknown=0, NotChecked=0, Total=930 [2024-05-07 18:52:30,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:52:30,940 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:52:30,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 15.709677419354838) internal successors, (487), 31 states have internal predecessors, (487), 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) [2024-05-07 18:52:30,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:52:30,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:52:31,974 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 18:52:31,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2024-05-07 18:52:32,246 INFO L85 PathProgramCache]: Analyzing trace with hash -972932549, now seen corresponding path program 9 times [2024-05-07 18:52:32,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:32,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 59 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-05-07 18:52:33,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:33,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:33,444 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 59 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-05-07 18:52:33,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-05-07 18:52:33,737 INFO L85 PathProgramCache]: Analyzing trace with hash 816086746, now seen corresponding path program 10 times [2024-05-07 18:52:33,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:33,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-07 18:52:34,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:34,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:34,659 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-07 18:52:34,775 INFO L85 PathProgramCache]: Analyzing trace with hash -471113769, now seen corresponding path program 11 times [2024-05-07 18:52:34,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:34,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:35,238 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-07 18:52:35,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:35,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:35,671 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-07 18:52:35,883 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 18:52:35,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2024-05-07 18:52:36,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1378169748, now seen corresponding path program 1 times [2024-05-07 18:52:36,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:36,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-07 18:52:36,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:36,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:37,096 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-07 18:52:37,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:52:37,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:52:37,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-07 18:52:37,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-05-07 18:52:37,334 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:52:37,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:52:37,335 INFO L85 PathProgramCache]: Analyzing trace with hash 2038830710, now seen corresponding path program 3 times [2024-05-07 18:52:37,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:52:37,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552648340] [2024-05-07 18:52:37,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:37,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:37,831 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 49 proven. 146 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-05-07 18:52:37,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:52:37,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552648340] [2024-05-07 18:52:37,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552648340] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:52:37,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543841798] [2024-05-07 18:52:37,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 18:52:37,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:52:37,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:52:37,833 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) [2024-05-07 18:52:37,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 18:52:38,296 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-05-07 18:52:38,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:52:38,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-07 18:52:38,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:52:38,904 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 154 proven. 52 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-05-07 18:52:38,904 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:52:39,404 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 56 proven. 125 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-07 18:52:39,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543841798] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:52:39,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:52:39,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21, 15] total 43 [2024-05-07 18:52:39,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754654304] [2024-05-07 18:52:39,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:52:39,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-07 18:52:39,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:52:39,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-07 18:52:39,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=1566, Unknown=0, NotChecked=0, Total=1806 [2024-05-07 18:52:39,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:52:39,407 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:52:39,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 9.744186046511627) internal successors, (419), 43 states have internal predecessors, (419), 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) [2024-05-07 18:52:39,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:52:39,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:52:39,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:52:40,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-05-07 18:52:40,436 INFO L85 PathProgramCache]: Analyzing trace with hash 65885942, now seen corresponding path program 12 times [2024-05-07 18:52:40,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:40,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-07 18:52:40,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:40,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-07 18:52:41,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2024-05-07 18:52:41,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1626811675, now seen corresponding path program 13 times [2024-05-07 18:52:41,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:41,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:42,115 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 3 proven. 75 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-05-07 18:52:42,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:42,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:42,499 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 3 proven. 75 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-05-07 18:52:42,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1108446508, now seen corresponding path program 14 times [2024-05-07 18:52:42,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:42,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:42,775 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-05-07 18:52:42,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:42,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-05-07 18:52:42,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-07 18:52:42,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1902, Unknown=0, NotChecked=0, Total=2070 [2024-05-07 18:52:44,031 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 18:52:44,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2024-05-07 18:52:44,243 INFO L85 PathProgramCache]: Analyzing trace with hash 806207092, now seen corresponding path program 1 times [2024-05-07 18:52:44,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:44,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 23 proven. 30 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-05-07 18:52:44,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:44,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:45,591 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 23 proven. 30 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-05-07 18:52:45,751 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 18:52:45,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2024-05-07 18:52:47,287 INFO L85 PathProgramCache]: Analyzing trace with hash -796152636, now seen corresponding path program 2 times [2024-05-07 18:52:47,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:47,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 23 proven. 30 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-05-07 18:52:47,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:47,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:48,378 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 23 proven. 30 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-05-07 18:52:48,673 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:52:48,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-05-07 18:52:50,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1311456723, now seen corresponding path program 3 times [2024-05-07 18:52:50,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:50,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 24 proven. 88 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-05-07 18:52:51,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:51,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:51,946 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 24 proven. 88 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-05-07 18:52:52,289 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:52:52,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-05-07 18:52:53,030 INFO L85 PathProgramCache]: Analyzing trace with hash -273111874, now seen corresponding path program 4 times [2024-05-07 18:52:53,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:53,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:53,574 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 12 proven. 38 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-05-07 18:52:53,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:52:53,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:52:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:52:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 12 proven. 38 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-05-07 18:52:54,521 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:52:54,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-05-07 18:53:13,117 WARN L293 SmtUtils]: Spent 16.08s on a formula simplification. DAG size of input: 33 DAG size of output: 28 (called from [L 210] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.abduction.Abducer.solveAbductionProblem) [2024-05-07 18:53:15,122 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_~q2~0.base_In_22 Int) (v_~q2~0.offset_In_22 Int)) (= (select (select |c_#memory_int| v_~q2~0.base_In_22) (+ (* c_~q2_front~0 4) v_~q2~0.offset_In_22)) 0)) (forall ((v_~q1_front~0_In_30 Int) (v_~q1~0.offset_In_6 Int) (v_~q1~0.base_In_6 Int)) (let ((.cse0 (select (select |c_#memory_int| v_~q1~0.base_In_6) (+ v_~q1~0.offset_In_6 (* v_~q1_front~0_In_30 4))))) (or (< v_~q1_front~0_In_30 0) (< 4294967295 .cse0) (< (+ 4294967295 .cse0) 0) (= .cse0 0))))) is different from false [2024-05-07 18:53:15,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1438815022, now seen corresponding path program 5 times [2024-05-07 18:53:15,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:53:15,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:53:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:53:15,789 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 18 proven. 88 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-05-07 18:53:15,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:53:15,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:53:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:53:16,377 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 18 proven. 88 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-05-07 18:53:16,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:53:16,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-05-07 18:53:19,287 INFO L85 PathProgramCache]: Analyzing trace with hash -343591184, now seen corresponding path program 6 times [2024-05-07 18:53:19,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:53:19,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:53:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:53:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 40 proven. 102 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-05-07 18:53:19,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:53:19,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:53:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:53:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 40 proven. 102 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-05-07 18:53:20,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:53:20,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-05-07 18:53:26,490 INFO L85 PathProgramCache]: Analyzing trace with hash -343591153, now seen corresponding path program 1 times [2024-05-07 18:53:26,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:53:26,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:53:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:53:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 40 proven. 102 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-05-07 18:53:26,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:53:26,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:53:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:53:27,404 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 40 proven. 102 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-05-07 18:53:27,690 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:53:27,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-05-07 18:53:47,279 INFO L85 PathProgramCache]: Analyzing trace with hash 94144012, now seen corresponding path program 7 times [2024-05-07 18:53:47,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:53:47,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:53:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:53:47,738 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-05-07 18:53:47,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:53:47,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:53:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:53:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-05-07 18:53:48,406 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:53:48,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-05-07 18:53:49,306 INFO L85 PathProgramCache]: Analyzing trace with hash 840350873, now seen corresponding path program 1 times [2024-05-07 18:53:49,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:53:49,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:53:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:53:49,644 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-07 18:53:49,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:53:49,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:53:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:53:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-07 18:53:50,331 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:53:50,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-05-07 18:54:00,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1950591372, now seen corresponding path program 8 times [2024-05-07 18:54:00,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:00,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:00,350 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-07 18:54:00,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:00,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:00,761 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-07 18:54:00,991 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 18:54:00,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2024-05-07 18:54:01,231 INFO L85 PathProgramCache]: Analyzing trace with hash 310432178, now seen corresponding path program 1 times [2024-05-07 18:54:01,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:01,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:01,600 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-05-07 18:54:01,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:01,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:01,955 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-05-07 18:54:02,210 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 18:54:02,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2024-05-07 18:54:02,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1142377586, now seen corresponding path program 2 times [2024-05-07 18:54:02,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:02,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-07 18:54:02,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:02,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:03,060 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-07 18:54:03,229 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 18:54:03,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2024-05-07 18:54:03,469 INFO L85 PathProgramCache]: Analyzing trace with hash -310160869, now seen corresponding path program 2 times [2024-05-07 18:54:03,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:03,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-07 18:54:03,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:03,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:04,235 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-07 18:54:04,440 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-07 18:54:04,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2024-05-07 18:54:05,210 INFO L85 PathProgramCache]: Analyzing trace with hash 379743901, now seen corresponding path program 9 times [2024-05-07 18:54:05,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:05,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 28 proven. 127 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-05-07 18:54:05,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:05,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:06,297 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 28 proven. 127 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-05-07 18:54:06,946 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-07 18:54:06,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 51 [2024-05-07 18:54:07,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1395681665, now seen corresponding path program 10 times [2024-05-07 18:54:07,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:07,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:08,301 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-07 18:54:08,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:08,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-07 18:54:09,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:54:09,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:54:09,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:54:09,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-07 18:54:09,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable50,SelfDestructingSolverStorable72,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable36,SelfDestructingSolverStorable58,SelfDestructingSolverStorable37,SelfDestructingSolverStorable59,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39,SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable40,SelfDestructingSolverStorable62,SelfDestructingSolverStorable41,SelfDestructingSolverStorable63,SelfDestructingSolverStorable42,SelfDestructingSolverStorable64,SelfDestructingSolverStorable43,SelfDestructingSolverStorable65,SelfDestructingSolverStorable44,SelfDestructingSolverStorable66,SelfDestructingSolverStorable45,SelfDestructingSolverStorable67,SelfDestructingSolverStorable46,SelfDestructingSolverStorable68,SelfDestructingSolverStorable47,SelfDestructingSolverStorable69,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-05-07 18:54:09,371 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:54:09,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:09,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1589392564, now seen corresponding path program 4 times [2024-05-07 18:54:09,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:09,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605165254] [2024-05-07 18:54:09,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:09,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 122 proven. 386 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2024-05-07 18:54:10,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:10,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605165254] [2024-05-07 18:54:10,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605165254] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:10,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604141399] [2024-05-07 18:54:10,323 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 18:54:10,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:10,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:10,324 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) [2024-05-07 18:54:10,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-07 18:54:10,814 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 18:54:10,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:54:10,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 25 conjunts are in the unsatisfiable core [2024-05-07 18:54:10,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 1174 proven. 27 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-05-07 18:54:12,769 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:16,500 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-07 18:54:16,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-05-07 18:54:16,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 520 proven. 681 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-05-07 18:54:16,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604141399] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:54:16,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:54:16,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21, 21] total 56 [2024-05-07 18:54:16,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418078723] [2024-05-07 18:54:16,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:54:16,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-05-07 18:54:16,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:16,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-05-07 18:54:16,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=2628, Unknown=0, NotChecked=0, Total=3080 [2024-05-07 18:54:16,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:16,990 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:16,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 14.071428571428571) internal successors, (788), 56 states have internal predecessors, (788), 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) [2024-05-07 18:54:16,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:54:16,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:54:16,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:54:16,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:19,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:54:19,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:54:19,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:54:19,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:54:19,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-07 18:54:19,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2024-05-07 18:54:19,926 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:54:19,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:19,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1986129235, now seen corresponding path program 5 times [2024-05-07 18:54:19,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:19,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060386875] [2024-05-07 18:54:19,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:19,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:21,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1527 backedges. 357 proven. 815 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2024-05-07 18:54:21,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:21,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060386875] [2024-05-07 18:54:21,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060386875] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:21,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343492431] [2024-05-07 18:54:21,107 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 18:54:21,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:21,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:21,108 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) [2024-05-07 18:54:21,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-07 18:54:21,881 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-05-07 18:54:21,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:54:21,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 33 conjunts are in the unsatisfiable core [2024-05-07 18:54:21,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:23,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1527 backedges. 1233 proven. 175 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-05-07 18:54:23,421 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1527 backedges. 1019 proven. 389 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-05-07 18:54:24,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343492431] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:54:24,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:54:24,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 33, 33] total 86 [2024-05-07 18:54:24,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924775026] [2024-05-07 18:54:24,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:54:24,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-05-07 18:54:24,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:24,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-05-07 18:54:24,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1388, Invalid=5922, Unknown=0, NotChecked=0, Total=7310 [2024-05-07 18:54:24,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:24,980 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:24,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 10.44186046511628) internal successors, (898), 86 states have internal predecessors, (898), 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) [2024-05-07 18:54:24,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:54:24,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:54:24,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:54:24,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:54:24,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:54:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:54:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:54:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:54:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:54:27,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-07 18:54:27,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:27,733 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:54:27,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:27,734 INFO L85 PathProgramCache]: Analyzing trace with hash 80488140, now seen corresponding path program 6 times [2024-05-07 18:54:27,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:27,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814850560] [2024-05-07 18:54:27,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:27,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:28,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2094 backedges. 150 proven. 535 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2024-05-07 18:54:28,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:28,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814850560] [2024-05-07 18:54:28,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814850560] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:28,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098500380] [2024-05-07 18:54:28,797 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 18:54:28,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:28,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:28,802 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) [2024-05-07 18:54:28,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-07 18:54:30,371 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-05-07 18:54:30,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:54:30,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 21 conjunts are in the unsatisfiable core [2024-05-07 18:54:30,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2094 backedges. 600 proven. 85 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2024-05-07 18:54:31,059 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:31,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2094 backedges. 125 proven. 560 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2024-05-07 18:54:31,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098500380] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:54:31,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:54:31,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 55 [2024-05-07 18:54:31,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948388435] [2024-05-07 18:54:31,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:54:31,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-05-07 18:54:31,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:31,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-05-07 18:54:31,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=2489, Unknown=0, NotChecked=0, Total=2970 [2024-05-07 18:54:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:31,781 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:31,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 8.909090909090908) internal successors, (490), 55 states have internal predecessors, (490), 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) [2024-05-07 18:54:31,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:54:31,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:54:31,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:54:31,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:54:31,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:54:31,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:33,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:54:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:54:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:54:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:54:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:54:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:54:33,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-07 18:54:33,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2024-05-07 18:54:33,472 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:54:33,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:33,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1437215529, now seen corresponding path program 7 times [2024-05-07 18:54:33,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:33,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690981749] [2024-05-07 18:54:33,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:33,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2135 backedges. 178 proven. 634 refuted. 0 times theorem prover too weak. 1323 trivial. 0 not checked. [2024-05-07 18:54:34,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:34,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690981749] [2024-05-07 18:54:34,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690981749] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:34,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200944110] [2024-05-07 18:54:34,618 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 18:54:34,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:34,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:34,621 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) [2024-05-07 18:54:34,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-07 18:54:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:35,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 1384 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-07 18:54:35,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2135 backedges. 976 proven. 126 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2024-05-07 18:54:35,979 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:36,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2135 backedges. 838 proven. 264 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2024-05-07 18:54:36,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200944110] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:54:36,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:54:36,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 64 [2024-05-07 18:54:36,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614421904] [2024-05-07 18:54:36,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:54:36,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-05-07 18:54:36,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:36,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-05-07 18:54:36,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=637, Invalid=3395, Unknown=0, NotChecked=0, Total=4032 [2024-05-07 18:54:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:36,802 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:36,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 9.25) internal successors, (592), 64 states have internal predecessors, (592), 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) [2024-05-07 18:54:36,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:54:36,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:54:36,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:54:36,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:54:36,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:54:36,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:54:36,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:54:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:54:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:54:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:54:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:54:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:54:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:54:38,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-07 18:54:38,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:38,678 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:54:38,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:38,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1723709470, now seen corresponding path program 8 times [2024-05-07 18:54:38,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:38,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135370091] [2024-05-07 18:54:38,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:38,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:40,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2184 backedges. 253 proven. 777 refuted. 0 times theorem prover too weak. 1154 trivial. 0 not checked. [2024-05-07 18:54:40,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:40,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135370091] [2024-05-07 18:54:40,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135370091] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:40,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273462546] [2024-05-07 18:54:40,039 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 18:54:40,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:40,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:40,041 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) [2024-05-07 18:54:40,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-07 18:54:40,600 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 18:54:40,600 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:54:40,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 1398 conjuncts, 27 conjunts are in the unsatisfiable core [2024-05-07 18:54:40,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:41,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2184 backedges. 1041 proven. 175 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-05-07 18:54:41,533 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:42,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2184 backedges. 880 proven. 336 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-05-07 18:54:42,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273462546] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:54:42,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:54:42,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 73 [2024-05-07 18:54:42,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975553418] [2024-05-07 18:54:42,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:54:42,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-05-07 18:54:42,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:42,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-05-07 18:54:42,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=815, Invalid=4441, Unknown=0, NotChecked=0, Total=5256 [2024-05-07 18:54:42,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:42,515 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:42,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 8.931506849315069) internal successors, (652), 73 states have internal predecessors, (652), 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) [2024-05-07 18:54:42,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:54:42,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:54:42,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:54:42,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:54:42,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:54:42,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:54:42,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:54:42,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:54:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:54:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:54:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:54:44,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:54:44,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:54:44,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:54:44,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:54:44,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-07 18:54:44,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:44,515 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:54:44,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:44,515 INFO L85 PathProgramCache]: Analyzing trace with hash -117669907, now seen corresponding path program 9 times [2024-05-07 18:54:44,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:44,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324826567] [2024-05-07 18:54:44,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:44,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 313 proven. 852 refuted. 0 times theorem prover too weak. 1076 trivial. 0 not checked. [2024-05-07 18:54:46,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:46,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324826567] [2024-05-07 18:54:46,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324826567] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:46,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013523199] [2024-05-07 18:54:46,007 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 18:54:46,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:46,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:46,008 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) [2024-05-07 18:54:46,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-07 18:54:47,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-05-07 18:54:47,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:54:47,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-07 18:54:47,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 1059 proven. 232 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-05-07 18:54:48,195 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 379 proven. 912 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-05-07 18:54:49,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013523199] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:54:49,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:54:49,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 32, 32] total 87 [2024-05-07 18:54:49,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826253252] [2024-05-07 18:54:49,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:54:49,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-05-07 18:54:49,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:54:49,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-05-07 18:54:49,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1251, Invalid=6231, Unknown=0, NotChecked=0, Total=7482 [2024-05-07 18:54:49,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:49,468 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:54:49,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 8.827586206896552) internal successors, (768), 87 states have internal predecessors, (768), 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) [2024-05-07 18:54:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:54:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:54:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:54:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:54:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:54:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:54:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:54:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:54:49,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:54:51,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:54:51,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:54:51,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:54:51,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:54:51,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:54:51,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:54:51,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:54:51,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:54:51,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:54:51,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-07 18:54:51,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2024-05-07 18:54:51,864 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:54:51,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:54:51,864 INFO L85 PathProgramCache]: Analyzing trace with hash 841729550, now seen corresponding path program 10 times [2024-05-07 18:54:51,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:54:51,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214930746] [2024-05-07 18:54:51,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:54:51,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:54:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:54:53,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2460 backedges. 606 proven. 993 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-05-07 18:54:53,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:54:53,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214930746] [2024-05-07 18:54:53,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214930746] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:54:53,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66225737] [2024-05-07 18:54:53,751 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 18:54:53,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:54:53,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:54:53,752 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) [2024-05-07 18:54:53,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-07 18:54:54,314 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 18:54:54,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:54:54,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 43 conjunts are in the unsatisfiable core [2024-05-07 18:54:54,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:54:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2460 backedges. 1216 proven. 451 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2024-05-07 18:54:57,009 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:54:58,859 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-07 18:54:58,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-05-07 18:55:00,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2460 backedges. 912 proven. 755 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2024-05-07 18:55:00,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66225737] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:55:00,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:55:00,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 109 [2024-05-07 18:55:00,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121526909] [2024-05-07 18:55:00,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:55:00,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2024-05-07 18:55:00,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:55:00,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2024-05-07 18:55:00,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1615, Invalid=10157, Unknown=0, NotChecked=0, Total=11772 [2024-05-07 18:55:00,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:00,038 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:55:00,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 8.137614678899082) internal successors, (887), 109 states have internal predecessors, (887), 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) [2024-05-07 18:55:00,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:55:00,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:55:00,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:55:00,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:55:00,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:55:00,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:55:00,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:55:00,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:55:00,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:55:00,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:55:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:55:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:55:02,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:55:02,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:55:02,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:55:02,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:55:02,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:55:02,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:55:02,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-07 18:55:02,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-07 18:55:03,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:03,030 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:55:03,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:55:03,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1018490343, now seen corresponding path program 11 times [2024-05-07 18:55:03,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:55:03,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177507340] [2024-05-07 18:55:03,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:03,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:55:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:05,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 707 proven. 1018 refuted. 0 times theorem prover too weak. 824 trivial. 0 not checked. [2024-05-07 18:55:05,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:55:05,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177507340] [2024-05-07 18:55:05,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177507340] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:55:05,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116921152] [2024-05-07 18:55:05,209 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 18:55:05,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:05,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:55:05,210 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) [2024-05-07 18:55:05,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-07 18:55:17,367 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-05-07 18:55:17,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:55:17,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 1468 conjuncts, 43 conjunts are in the unsatisfiable core [2024-05-07 18:55:17,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:55:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 1222 proven. 540 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-05-07 18:55:19,016 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:55:20,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 982 proven. 780 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-05-07 18:55:20,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116921152] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:55:20,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:55:20,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 42] total 118 [2024-05-07 18:55:20,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737780141] [2024-05-07 18:55:20,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:55:20,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2024-05-07 18:55:20,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:55:20,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2024-05-07 18:55:20,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1879, Invalid=11927, Unknown=0, NotChecked=0, Total=13806 [2024-05-07 18:55:20,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:20,955 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:55:20,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 7.932203389830509) internal successors, (936), 118 states have internal predecessors, (936), 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) [2024-05-07 18:55:20,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:55:20,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:55:20,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:55:20,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:55:20,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:55:20,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:55:20,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:55:20,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:55:20,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:55:20,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-07 18:55:20,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:23,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:55:23,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:55:23,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:55:23,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:55:23,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:55:23,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:55:23,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:55:23,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:55:23,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:55:23,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-07 18:55:23,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:55:23,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-07 18:55:23,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:23,798 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:55:23,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:55:23,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1968120612, now seen corresponding path program 12 times [2024-05-07 18:55:23,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:55:23,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623284813] [2024-05-07 18:55:23,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:23,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:55:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:26,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2646 backedges. 826 proven. 1027 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2024-05-07 18:55:26,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:55:26,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623284813] [2024-05-07 18:55:26,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623284813] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:55:26,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690793506] [2024-05-07 18:55:26,188 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 18:55:26,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:26,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:55:26,189 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) [2024-05-07 18:55:26,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-07 18:55:47,957 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-05-07 18:55:47,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:55:47,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-07 18:55:47,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:55:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2646 backedges. 213 proven. 397 refuted. 0 times theorem prover too weak. 2036 trivial. 0 not checked. [2024-05-07 18:55:48,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:55:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2646 backedges. 72 proven. 1178 refuted. 0 times theorem prover too weak. 1396 trivial. 0 not checked. [2024-05-07 18:55:49,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690793506] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:55:49,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:55:49,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 8, 31] total 80 [2024-05-07 18:55:49,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486434154] [2024-05-07 18:55:49,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:55:49,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-05-07 18:55:49,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:55:49,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-05-07 18:55:49,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=776, Invalid=5544, Unknown=0, NotChecked=0, Total=6320 [2024-05-07 18:55:49,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:49,937 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:55:49,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 10.1) internal successors, (808), 80 states have internal predecessors, (808), 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) [2024-05-07 18:55:49,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:55:49,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:55:49,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:55:49,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:55:49,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:55:49,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:55:49,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:55:49,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:55:49,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:55:49,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-07 18:55:49,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:55:49,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:55:54,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:55:54,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:55:54,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:55:54,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:55:54,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:55:54,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:55:54,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:55:54,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:55:54,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:55:54,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-07 18:55:54,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:55:54,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-07 18:55:54,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-07 18:55:54,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable81 [2024-05-07 18:55:54,446 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:55:54,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:55:54,446 INFO L85 PathProgramCache]: Analyzing trace with hash -225468629, now seen corresponding path program 13 times [2024-05-07 18:55:54,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:55:54,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205254871] [2024-05-07 18:55:54,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:55:54,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:55:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5177 backedges. 1271 proven. 2528 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2024-05-07 18:55:57,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:55:57,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205254871] [2024-05-07 18:55:57,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205254871] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:55:57,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804353966] [2024-05-07 18:55:57,778 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 18:55:57,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:55:57,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:55:57,781 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) [2024-05-07 18:55:57,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-07 18:55:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:55:58,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 1952 conjuncts, 48 conjunts are in the unsatisfiable core [2024-05-07 18:55:58,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:56:00,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5177 backedges. 3229 proven. 742 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2024-05-07 18:56:00,908 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:56:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 5177 backedges. 2957 proven. 1014 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2024-05-07 18:56:03,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804353966] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:56:03,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:56:03,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 136 [2024-05-07 18:56:03,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599102572] [2024-05-07 18:56:03,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:56:03,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2024-05-07 18:56:03,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:56:03,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2024-05-07 18:56:03,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2677, Invalid=15683, Unknown=0, NotChecked=0, Total=18360 [2024-05-07 18:56:03,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:56:03,521 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:56:03,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 7.977941176470588) internal successors, (1085), 136 states have internal predecessors, (1085), 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) [2024-05-07 18:56:03,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:56:03,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:56:03,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:56:03,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:56:03,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:56:03,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:56:03,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:56:03,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:56:03,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:56:03,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-07 18:56:03,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:56:03,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-07 18:56:03,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:56:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:56:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:56:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:56:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:56:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:56:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:56:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:56:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:56:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:56:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-07 18:56:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:56:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-07 18:56:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-07 18:56:07,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-07 18:56:07,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:56:07,840 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:56:07,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:56:07,841 INFO L85 PathProgramCache]: Analyzing trace with hash 299233036, now seen corresponding path program 14 times [2024-05-07 18:56:07,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:56:07,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490665580] [2024-05-07 18:56:07,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:56:07,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:56:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:56:11,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5290 backedges. 1426 proven. 2590 refuted. 0 times theorem prover too weak. 1274 trivial. 0 not checked. [2024-05-07 18:56:11,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:56:11,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490665580] [2024-05-07 18:56:11,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490665580] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:56:11,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988460211] [2024-05-07 18:56:11,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 18:56:11,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:56:11,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:56:11,420 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:56:11,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-07 18:56:12,193 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 18:56:12,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:56:12,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 1966 conjuncts, 48 conjunts are in the unsatisfiable core [2024-05-07 18:56:12,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:56:14,724 INFO L134 CoverageAnalysis]: Checked inductivity of 5290 backedges. 3262 proven. 742 refuted. 0 times theorem prover too weak. 1286 trivial. 0 not checked. [2024-05-07 18:56:14,724 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:56:17,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5290 backedges. 2798 proven. 1206 refuted. 0 times theorem prover too weak. 1286 trivial. 0 not checked. [2024-05-07 18:56:17,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988460211] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:56:17,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:56:17,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 48, 48] total 142 [2024-05-07 18:56:17,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535909495] [2024-05-07 18:56:17,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:56:17,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2024-05-07 18:56:17,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:56:17,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2024-05-07 18:56:17,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2043, Invalid=17979, Unknown=0, NotChecked=0, Total=20022 [2024-05-07 18:56:17,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:56:17,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:56:17,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 8.661971830985916) internal successors, (1230), 142 states have internal predecessors, (1230), 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) [2024-05-07 18:56:17,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:56:17,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:56:17,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:56:17,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:56:17,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:56:17,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:56:17,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:56:17,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:56:17,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:56:17,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-07 18:56:17,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:56:17,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-07 18:56:17,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-07 18:56:17,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:56:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:56:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:56:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:56:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:56:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:56:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:56:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:56:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:56:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:56:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-07 18:56:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:56:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-07 18:56:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-07 18:56:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-05-07 18:56:25,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-07 18:56:25,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:56:25,743 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:56:25,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:56:25,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1369321410, now seen corresponding path program 15 times [2024-05-07 18:56:25,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:56:25,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951459695] [2024-05-07 18:56:25,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:56:25,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:56:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:56:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5524 backedges. 1718 proven. 2570 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2024-05-07 18:56:29,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:56:29,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951459695] [2024-05-07 18:56:29,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951459695] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:56:29,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583166930] [2024-05-07 18:56:29,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 18:56:29,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:56:29,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:56:29,815 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:56:29,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-07 18:57:15,095 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2024-05-07 18:57:15,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:57:15,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 1647 conjuncts, 51 conjunts are in the unsatisfiable core [2024-05-07 18:57:15,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:57:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5524 backedges. 3133 proven. 855 refuted. 0 times theorem prover too weak. 1536 trivial. 0 not checked. [2024-05-07 18:57:18,088 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:57:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 5524 backedges. 1281 proven. 2707 refuted. 0 times theorem prover too weak. 1536 trivial. 0 not checked. [2024-05-07 18:57:21,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583166930] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:57:21,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:57:21,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 51, 51] total 151 [2024-05-07 18:57:21,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83577542] [2024-05-07 18:57:21,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:57:21,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2024-05-07 18:57:21,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:57:21,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2024-05-07 18:57:21,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2306, Invalid=20344, Unknown=0, NotChecked=0, Total=22650 [2024-05-07 18:57:21,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:57:21,105 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:57:21,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 8.251655629139073) internal successors, (1246), 151 states have internal predecessors, (1246), 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) [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-05-07 18:57:21,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:57:29,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:57:29,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:57:29,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:57:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:57:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:57:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:57:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:57:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:57:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:57:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-07 18:57:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:57:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-07 18:57:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-07 18:57:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-05-07 18:57:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-07 18:57:29,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-07 18:57:30,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2024-05-07 18:57:30,135 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:57:30,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:57:30,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1587509368, now seen corresponding path program 16 times [2024-05-07 18:57:30,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:57:30,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099896716] [2024-05-07 18:57:30,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:57:30,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:57:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:57:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 5774 backedges. 1890 proven. 2597 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2024-05-07 18:57:34,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:57:34,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099896716] [2024-05-07 18:57:34,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099896716] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:57:34,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205787800] [2024-05-07 18:57:34,307 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 18:57:34,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:57:34,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:57:34,309 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:57:34,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-07 18:57:35,039 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 18:57:35,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 18:57:35,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 61 conjunts are in the unsatisfiable core [2024-05-07 18:57:35,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 18:57:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5774 backedges. 3573 proven. 976 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-05-07 18:57:41,047 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 18:57:45,414 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-07 18:57:45,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-05-07 18:57:47,766 INFO L134 CoverageAnalysis]: Checked inductivity of 5774 backedges. 2602 proven. 1947 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-05-07 18:57:47,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205787800] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 18:57:47,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 18:57:47,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 167 [2024-05-07 18:57:47,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603590959] [2024-05-07 18:57:47,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 18:57:47,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 167 states [2024-05-07 18:57:47,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 18:57:47,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2024-05-07 18:57:47,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3053, Invalid=24669, Unknown=0, NotChecked=0, Total=27722 [2024-05-07 18:57:47,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:57:47,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 18:57:47,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 167 states, 167 states have (on average 8.784431137724551) internal successors, (1467), 167 states have internal predecessors, (1467), 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) [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-05-07 18:57:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 18:57:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 18:57:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 18:57:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 18:57:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:57:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 18:57:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 18:57:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-07 18:57:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-07 18:57:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 18:57:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-07 18:57:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 18:57:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-07 18:57:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-07 18:57:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-05-07 18:57:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-07 18:57:59,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2024-05-07 18:57:59,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-05-07 18:57:59,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:57:59,426 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 18:57:59,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 18:57:59,427 INFO L85 PathProgramCache]: Analyzing trace with hash 433949869, now seen corresponding path program 17 times [2024-05-07 18:57:59,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 18:57:59,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058777138] [2024-05-07 18:57:59,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 18:57:59,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 18:57:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 18:58:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6475 backedges. 2357 proven. 2710 refuted. 0 times theorem prover too weak. 1408 trivial. 0 not checked. [2024-05-07 18:58:04,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 18:58:04,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058777138] [2024-05-07 18:58:04,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058777138] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 18:58:04,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224927905] [2024-05-07 18:58:04,755 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 18:58:04,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 18:58:04,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 18:58:04,756 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 18:58:04,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-07 19:01:26,818 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2024-05-07 19:01:26,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 19:01:26,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 2092 conjuncts, 64 conjunts are in the unsatisfiable core [2024-05-07 19:01:26,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 19:01:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6475 backedges. 3122 proven. 1712 refuted. 0 times theorem prover too weak. 1641 trivial. 0 not checked. [2024-05-07 19:01:30,851 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 19:01:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6475 backedges. 2740 proven. 2094 refuted. 0 times theorem prover too weak. 1641 trivial. 0 not checked. [2024-05-07 19:01:35,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224927905] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 19:01:35,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 19:01:35,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 62, 62] total 186 [2024-05-07 19:01:35,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096243422] [2024-05-07 19:01:35,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 19:01:35,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 186 states [2024-05-07 19:01:35,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 19:01:35,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 186 interpolants. [2024-05-07 19:01:35,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3549, Invalid=30861, Unknown=0, NotChecked=0, Total=34410 [2024-05-07 19:01:35,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:01:35,285 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 19:01:35,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 186 states, 186 states have (on average 8.602150537634408) internal successors, (1600), 186 states have internal predecessors, (1600), 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) [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2024-05-07 19:01:35,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:01:47,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-07 19:01:47,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2024-05-07 19:01:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-05-07 19:01:47,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-05-07 19:01:47,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2024-05-07 19:01:47,837 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-07 19:01:47,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 19:01:47,837 INFO L85 PathProgramCache]: Analyzing trace with hash 531905061, now seen corresponding path program 18 times [2024-05-07 19:01:47,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 19:01:47,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826497640] [2024-05-07 19:01:47,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 19:01:47,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 19:01:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 19:01:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 7095 backedges. 2876 proven. 2427 refuted. 0 times theorem prover too weak. 1792 trivial. 0 not checked. [2024-05-07 19:01:53,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 19:01:53,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826497640] [2024-05-07 19:01:53,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826497640] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 19:01:53,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833227521] [2024-05-07 19:01:53,475 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 19:01:53,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 19:01:53,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 19:01:53,476 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 19:01:53,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process Received shutdown request... [2024-05-07 19:05:49,423 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 19:05:49,423 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 19:05:49,423 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-07 19:05:50,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-07 19:05:50,628 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forcibly destroying the process [2024-05-07 19:05:50,629 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-05-07 19:05:50,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-07 19:05:50,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-05-07 19:05:50,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2024-05-07 19:05:50,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105368219] [2024-05-07 19:05:50,651 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-05-07 19:05:50,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-05-07 19:05:50,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 19:05:50,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2024-05-07 19:05:50,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 137 [2024-05-07 19:05:50,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-05-07 19:05:50,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=788, Invalid=3904, Unknown=0, NotChecked=0, Total=4692 [2024-05-07 19:05:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:05:50,655 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 19:05:50,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 8.91304347826087) internal successors, (615), 69 states have internal predecessors, (615), 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) [2024-05-07 19:05:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-07 19:05:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 19:05:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 19:05:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 19:05:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-07 19:05:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-07 19:05:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-05-07 19:05:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-07 19:05:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-07 19:05:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-07 19:05:50,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-07 19:05:50,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-07 19:05:50,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-07 19:05:50,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-05-07 19:05:50,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-05-07 19:05:50,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2024-05-07 19:05:50,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-05-07 19:05:50,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 19:05:50,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2024-05-07 19:05:50,657 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-05-07 19:05:50,659 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-05-07 19:05:50,659 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-05-07 19:05:50,660 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-05-07 19:05:50,660 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-05-07 19:05:50,660 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-05-07 19:05:50,663 INFO L448 BasicCegarLoop]: Path program histogram: [18, 14, 10, 2, 2, 2, 1, 1, 1, 1, 1] [2024-05-07 19:05:50,666 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 19:05:50,666 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 19:05:50,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 07:05:50 BasicIcfg [2024-05-07 19:05:50,668 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 19:05:50,668 INFO L158 Benchmark]: Toolchain (without parser) took 823359.64ms. Allocated memory was 251.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 178.5MB in the beginning and 597.4MB in the end (delta: -418.9MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-05-07 19:05:50,668 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 251.7MB. Free memory is still 218.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 19:05:50,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.48ms. Allocated memory is still 251.7MB. Free memory was 178.3MB in the beginning and 165.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-07 19:05:50,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.73ms. Allocated memory is still 251.7MB. Free memory was 165.3MB in the beginning and 162.3MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-07 19:05:50,669 INFO L158 Benchmark]: Boogie Preprocessor took 38.20ms. Allocated memory is still 251.7MB. Free memory was 162.3MB in the beginning and 160.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 19:05:50,669 INFO L158 Benchmark]: RCFGBuilder took 950.50ms. Allocated memory is still 251.7MB. Free memory was 160.2MB in the beginning and 171.2MB in the end (delta: -11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-07 19:05:50,669 INFO L158 Benchmark]: TraceAbstraction took 822017.47ms. Allocated memory was 251.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 170.2MB in the beginning and 597.4MB in the end (delta: -427.2MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-05-07 19:05:50,671 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 251.7MB. Free memory is still 218.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 291.48ms. Allocated memory is still 251.7MB. Free memory was 178.3MB in the beginning and 165.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.73ms. Allocated memory is still 251.7MB. Free memory was 165.3MB in the beginning and 162.3MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.20ms. Allocated memory is still 251.7MB. Free memory was 162.3MB in the beginning and 160.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 950.50ms. Allocated memory is still 251.7MB. Free memory was 160.2MB in the beginning and 171.2MB in the end (delta: -11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 822017.47ms. Allocated memory was 251.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 170.2MB in the beginning and 597.4MB in the end (delta: -427.2MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2128202, independent: 2028517, independent conditional: 2017796, independent unconditional: 10721, dependent: 99685, dependent conditional: 99671, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2046762, independent: 2028517, independent conditional: 2017796, independent unconditional: 10721, dependent: 18245, dependent conditional: 18231, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2046762, independent: 2028517, independent conditional: 2017796, independent unconditional: 10721, dependent: 18245, dependent conditional: 18231, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2046762, independent: 2028517, independent conditional: 2017796, independent unconditional: 10721, dependent: 18245, dependent conditional: 18231, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2098287, independent: 2028517, independent conditional: 956042, independent unconditional: 1072475, dependent: 69770, dependent conditional: 45689, dependent unconditional: 24081, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2098287, independent: 2028517, independent conditional: 394568, independent unconditional: 1633949, dependent: 69770, dependent conditional: 32686, dependent unconditional: 37084, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2098287, independent: 2028517, independent conditional: 394568, independent unconditional: 1633949, dependent: 69770, dependent conditional: 32686, dependent unconditional: 37084, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1212, independent: 1160, independent conditional: 63, independent unconditional: 1097, dependent: 52, dependent conditional: 40, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1212, independent: 1146, independent conditional: 0, independent unconditional: 1146, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 52, dependent conditional: 40, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 52, dependent conditional: 40, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, independent: 60, independent conditional: 45, independent unconditional: 15, dependent: 292, dependent conditional: 158, dependent unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2098287, independent: 2027357, independent conditional: 394505, independent unconditional: 1632852, dependent: 69718, dependent conditional: 32646, dependent unconditional: 37072, unknown: 1212, unknown conditional: 103, unknown unconditional: 1109] , Statistics on independence cache: Total cache size (in pairs): 1212, Positive cache size: 1160, Positive conditional cache size: 63, Positive unconditional cache size: 1097, Negative cache size: 52, Negative conditional cache size: 40, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 574477, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2098287, independent: 2028517, independent conditional: 956042, independent unconditional: 1072475, dependent: 69770, dependent conditional: 45689, dependent unconditional: 24081, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2098287, independent: 2028517, independent conditional: 394568, independent unconditional: 1633949, dependent: 69770, dependent conditional: 32686, dependent unconditional: 37084, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2098287, independent: 2028517, independent conditional: 394568, independent unconditional: 1633949, dependent: 69770, dependent conditional: 32686, dependent unconditional: 37084, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1212, independent: 1160, independent conditional: 63, independent unconditional: 1097, dependent: 52, dependent conditional: 40, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1212, independent: 1146, independent conditional: 0, independent unconditional: 1146, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 66, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 52, dependent conditional: 40, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 52, dependent conditional: 40, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 352, independent: 60, independent conditional: 45, independent unconditional: 15, dependent: 292, dependent conditional: 158, dependent unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2098287, independent: 2027357, independent conditional: 394505, independent unconditional: 1632852, dependent: 69718, dependent conditional: 32646, dependent unconditional: 37072, unknown: 1212, unknown conditional: 103, unknown unconditional: 1109] , Statistics on independence cache: Total cache size (in pairs): 1212, Positive cache size: 1160, Positive conditional cache size: 63, Positive unconditional cache size: 1097, Negative cache size: 52, Negative conditional cache size: 40, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 574477 ], Independence queries for same thread: 81440 - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 146]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 272 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 821.8s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 18, EmptinessCheckTime: 181.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1282, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 284.8s SatisfiabilityAnalysisTime, 106.4s InterpolantComputationTime, 20027 NumberOfCodeBlocks, 19238 NumberOfCodeBlocksAsserted, 146 NumberOfCheckSat, 29564 ConstructedInterpolants, 1023 QuantifiedInterpolants, 142604 SizeOfPredicates, 454 NumberOfNonLiveVariables, 21925 ConjunctsInSsa, 607 ConjunctsInUnsatCore, 52 InterpolantComputations, 0 PerfectInterpolantSequences, 106616/151569 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 111.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 5, ConditionalCommutativityConditionCalculations: 41, ConditionalCommutativityTraceChecks: 35, ConditionalCommutativityImperfectProofs: 30 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown