/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -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-3774817-m [2024-04-04 13:21:31,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 13:21:31,737 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 13:21:31,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 13:21:31,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 13:21:31,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 13:21:31,765 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 13:21:31,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 13:21:31,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 13:21:31,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 13:21:31,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 13:21:31,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 13:21:31,770 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 13:21:31,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 13:21:31,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 13:21:31,772 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 13:21:31,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 13:21:31,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 13:21:31,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 13:21:31,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 13:21:31,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 13:21:31,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 13:21:31,774 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 13:21:31,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 13:21:31,775 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 13:21:31,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 13:21:31,775 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 13:21:31,775 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 13:21:31,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 13:21:31,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 13:21:31,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 13:21:31,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 13:21:31,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 13:21:31,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 13:21:31,778 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 13:21:31,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 13:21:31,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 13:21:31,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 13:21:31,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 13:21:31,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 13:21:32,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 13:21:32,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 13:21:32,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 13:21:32,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 13:21:32,032 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 13:21:32,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-04-04 13:21:33,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 13:21:33,230 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 13:21:33,231 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-04-04 13:21:33,237 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5035f2ca7/d81fce43fa774a329ea83d89cd8b41fe/FLAG53b02ec3b [2024-04-04 13:21:33,247 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5035f2ca7/d81fce43fa774a329ea83d89cd8b41fe [2024-04-04 13:21:33,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 13:21:33,251 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 13:21:33,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 13:21:33,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 13:21:33,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 13:21:33,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 01:21:33" (1/1) ... [2024-04-04 13:21:33,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6763cb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:21:33, skipping insertion in model container [2024-04-04 13:21:33,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 01:21:33" (1/1) ... [2024-04-04 13:21:33,278 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 13:21:33,416 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] [2024-04-04 13:21:33,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 13:21:33,436 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 13:21:33,468 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] [2024-04-04 13:21:33,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 13:21:33,482 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 13:21:33,482 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 13:21:33,488 INFO L206 MainTranslator]: Completed translation [2024-04-04 13:21:33,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:21:33 WrapperNode [2024-04-04 13:21:33,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 13:21:33,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 13:21:33,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 13:21:33,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 13:21:33,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:21:33" (1/1) ... [2024-04-04 13:21:33,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:21:33" (1/1) ... [2024-04-04 13:21:33,595 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 331 [2024-04-04 13:21:33,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 13:21:33,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 13:21:33,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 13:21:33,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 13:21:33,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:21:33" (1/1) ... [2024-04-04 13:21:33,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:21:33" (1/1) ... [2024-04-04 13:21:33,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:21:33" (1/1) ... [2024-04-04 13:21:33,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:21:33" (1/1) ... [2024-04-04 13:21:33,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:21:33" (1/1) ... [2024-04-04 13:21:33,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:21:33" (1/1) ... [2024-04-04 13:21:33,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:21:33" (1/1) ... [2024-04-04 13:21:33,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:21:33" (1/1) ... [2024-04-04 13:21:33,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 13:21:33,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 13:21:33,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 13:21:33,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 13:21:33,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:21:33" (1/1) ... [2024-04-04 13:21:33,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 13:21:33,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:21:33,694 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) [2024-04-04 13:21:33,697 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 [2024-04-04 13:21:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 13:21:33,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 13:21:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 13:21:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 13:21:33,739 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 13:21:33,739 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 13:21:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 13:21:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 13:21:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 13:21:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 13:21:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-04 13:21:33,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-04 13:21:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 13:21:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 13:21:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 13:21:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 13:21:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 13:21:33,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 13:21:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 13:21:33,744 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 13:21:33,858 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 13:21:33,859 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 13:21:34,184 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 13:21:34,336 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 13:21:34,336 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-04-04 13:21:34,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 01:21:34 BoogieIcfgContainer [2024-04-04 13:21:34,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 13:21:34,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 13:21:34,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 13:21:34,345 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 13:21:34,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 01:21:33" (1/3) ... [2024-04-04 13:21:34,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a28676d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 01:21:34, skipping insertion in model container [2024-04-04 13:21:34,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 01:21:33" (2/3) ... [2024-04-04 13:21:34,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a28676d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 01:21:34, skipping insertion in model container [2024-04-04 13:21:34,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 01:21:34" (3/3) ... [2024-04-04 13:21:34,348 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2024-04-04 13:21:34,353 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 13:21:34,360 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 13:21:34,361 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 13:21:34,361 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 13:21:34,433 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-04 13:21:34,478 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 13:21:34,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 13:21:34,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:21:34,480 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) [2024-04-04 13:21:34,489 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 [2024-04-04 13:21:34,521 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 13:21:34,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:21:34,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 13:21:34,547 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;@16fc8d3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 13:21:34,547 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-04 13:21:35,093 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)] === [2024-04-04 13:21:35,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:21:35,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1271362937, now seen corresponding path program 1 times [2024-04-04 13:21:35,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:21:35,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243852883] [2024-04-04 13:21:35,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:21:35,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:21:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:21:35,531 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-04-04 13:21:35,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:21:35,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243852883] [2024-04-04 13:21:35,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243852883] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 13:21:35,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 13:21:35,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 13:21:35,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629965045] [2024-04-04 13:21:35,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 13:21:35,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 13:21:35,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:21:35,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 13:21:35,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 13:21:35,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:35,930 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:21:35,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 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) [2024-04-04 13:21:35,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:36,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 13:21:36,134 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)] === [2024-04-04 13:21:36,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:21:36,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1579313041, now seen corresponding path program 1 times [2024-04-04 13:21:36,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:21:36,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440488755] [2024-04-04 13:21:36,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:21:36,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:21:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:21:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-04-04 13:21:36,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:21:36,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440488755] [2024-04-04 13:21:36,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440488755] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 13:21:36,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 13:21:36,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 13:21:36,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043046851] [2024-04-04 13:21:36,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 13:21:36,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 13:21:36,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:21:36,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 13:21:36,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-04 13:21:36,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:36,985 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:21:36,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.5) internal successors, (213), 6 states have internal predecessors, (213), 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) [2024-04-04 13:21:36,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:36,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:37,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:37,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:37,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 13:21:37,226 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)] === [2024-04-04 13:21:37,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:21:37,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1540839696, now seen corresponding path program 1 times [2024-04-04 13:21:37,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:21:37,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733065063] [2024-04-04 13:21:37,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:21:37,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:21:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:21:37,651 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-04-04 13:21:37,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:21:37,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733065063] [2024-04-04 13:21:37,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733065063] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 13:21:37,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 13:21:37,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 13:21:37,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948977567] [2024-04-04 13:21:37,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 13:21:37,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 13:21:37,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:21:37,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 13:21:37,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-04 13:21:37,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:37,779 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:21:37,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 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) [2024-04-04 13:21:37,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:37,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:37,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:38,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:38,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:38,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:38,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 13:21:38,014 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)] === [2024-04-04 13:21:38,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:21:38,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1110417179, now seen corresponding path program 1 times [2024-04-04 13:21:38,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:21:38,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533944513] [2024-04-04 13:21:38,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:21:38,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:21:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:21:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 62 proven. 78 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-04-04 13:21:38,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:21:38,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533944513] [2024-04-04 13:21:38,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533944513] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:21:38,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884356631] [2024-04-04 13:21:38,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:21:38,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:21:38,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:21:38,694 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) [2024-04-04 13:21:38,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 13:21:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:21:38,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 13:21:38,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:21:39,226 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 142 proven. 1 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-04-04 13:21:39,226 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:21:39,495 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 132 proven. 11 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-04-04 13:21:39,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884356631] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:21:39,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:21:39,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2024-04-04 13:21:39,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032347815] [2024-04-04 13:21:39,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:21:39,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-04 13:21:39,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:21:39,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-04 13:21:39,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2024-04-04 13:21:39,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:39,816 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:21:39,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 19.318181818181817) internal successors, (425), 22 states have internal predecessors, (425), 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) [2024-04-04 13:21:39,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:39,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:39,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:39,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:40,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:40,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:40,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:40,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:21:40,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 13:21:40,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:21:40,647 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)] === [2024-04-04 13:21:40,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:21:40,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1812279643, now seen corresponding path program 2 times [2024-04-04 13:21:40,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:21:40,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540283392] [2024-04-04 13:21:40,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:21:40,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:21:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:21:41,459 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 65 proven. 117 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 13:21:41,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:21:41,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540283392] [2024-04-04 13:21:41,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540283392] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:21:41,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784798878] [2024-04-04 13:21:41,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 13:21:41,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:21:41,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:21:41,478 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) [2024-04-04 13:21:41,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 13:21:41,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 13:21:41,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:21:41,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-04 13:21:41,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:21:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 301 proven. 10 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-04-04 13:21:42,140 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:21:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 53 proven. 258 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-04-04 13:21:42,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784798878] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:21:42,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:21:42,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14, 14] total 36 [2024-04-04 13:21:42,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487390136] [2024-04-04 13:21:42,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:21:42,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-04 13:21:42,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:21:42,912 INFO L85 PathProgramCache]: Analyzing trace with hash 875214585, now seen corresponding path program 1 times [2024-04-04 13:21:42,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:21:42,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:21:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:21:43,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:21:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:21:43,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-04 13:21:43,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1146, Unknown=0, NotChecked=0, Total=1332 [2024-04-04 13:21:43,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:43,457 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:21:43,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 16.77777777777778) internal successors, (604), 36 states have internal predecessors, (604), 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) [2024-04-04 13:21:43,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:43,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:43,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:43,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:21:43,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:44,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:44,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:44,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:44,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:21:44,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:21:44,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 13:21:44,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:21:44,679 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)] === [2024-04-04 13:21:44,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:21:44,679 INFO L85 PathProgramCache]: Analyzing trace with hash -417810899, now seen corresponding path program 3 times [2024-04-04 13:21:44,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:21:44,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950950095] [2024-04-04 13:21:44,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:21:44,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:21:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:21:45,754 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 92 proven. 320 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-04-04 13:21:45,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:21:45,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950950095] [2024-04-04 13:21:45,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950950095] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:21:45,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735444436] [2024-04-04 13:21:45,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 13:21:45,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:21:45,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:21:45,769 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) [2024-04-04 13:21:45,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 13:21:46,256 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-04 13:21:46,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:21:46,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-04 13:21:46,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:21:46,752 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 321 proven. 28 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-04-04 13:21:46,753 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:21:47,291 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 209 proven. 140 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-04-04 13:21:47,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735444436] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:21:47,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:21:47,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 15] total 46 [2024-04-04 13:21:47,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221796990] [2024-04-04 13:21:47,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:21:47,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-04-04 13:21:47,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:21:47,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-04-04 13:21:47,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1850, Unknown=0, NotChecked=0, Total=2070 [2024-04-04 13:21:47,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:47,501 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:21:47,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 11.847826086956522) internal successors, (545), 46 states have internal predecessors, (545), 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) [2024-04-04 13:21:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:21:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:21:47,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:48,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:48,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:48,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:48,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:21:48,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:21:48,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:21:48,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 13:21:49,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:21:49,036 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)] === [2024-04-04 13:21:49,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:21:49,037 INFO L85 PathProgramCache]: Analyzing trace with hash 26745271, now seen corresponding path program 4 times [2024-04-04 13:21:49,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:21:49,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300251311] [2024-04-04 13:21:49,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:21:49,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:21:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:21:50,105 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 112 proven. 357 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-04-04 13:21:50,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:21:50,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300251311] [2024-04-04 13:21:50,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300251311] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:21:50,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917408749] [2024-04-04 13:21:50,106 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 13:21:50,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:21:50,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:21:50,107 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) [2024-04-04 13:21:50,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 13:21:50,282 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 13:21:50,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:21:50,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-04 13:21:50,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:21:51,328 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 369 proven. 52 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-04-04 13:21:51,328 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:21:51,938 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 13:21:51,939 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 [2024-04-04 13:21:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 268 proven. 153 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2024-04-04 13:21:52,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917408749] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:21:52,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:21:52,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 18, 18] total 55 [2024-04-04 13:21:52,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144828223] [2024-04-04 13:21:52,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:21:52,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-04-04 13:21:52,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:21:52,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-04-04 13:21:52,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=2655, Unknown=0, NotChecked=0, Total=2970 [2024-04-04 13:21:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:52,585 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:21:52,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 11.309090909090909) internal successors, (622), 55 states have internal predecessors, (622), 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) [2024-04-04 13:21:52,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:52,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:52,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:52,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:21:52,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:21:52,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:21:52,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:21:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:21:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:21:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:21:54,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-04 13:21:54,603 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,SelfDestructingSolverStorable7 [2024-04-04 13:21:54,604 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)] === [2024-04-04 13:21:54,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:21:54,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1596361407, now seen corresponding path program 5 times [2024-04-04 13:21:54,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:21:54,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881108419] [2024-04-04 13:21:54,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:21:54,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:21:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:21:55,579 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 133 proven. 297 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-04-04 13:21:55,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:21:55,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881108419] [2024-04-04 13:21:55,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881108419] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:21:55,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981445107] [2024-04-04 13:21:55,580 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 13:21:55,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:21:55,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:21:55,586 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) [2024-04-04 13:21:55,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 13:21:56,029 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-04-04 13:21:56,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:21:56,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-04 13:21:56,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:21:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 290 proven. 301 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-04-04 13:21:56,909 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:21:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 198 proven. 393 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-04-04 13:21:57,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981445107] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:21:57,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:21:57,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 27, 27] total 70 [2024-04-04 13:21:57,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853267550] [2024-04-04 13:21:57,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:21:57,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-04-04 13:21:57,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:21:58,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1643559061, now seen corresponding path program 2 times [2024-04-04 13:21:58,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:21:58,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:21:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:21:58,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:21:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:21:58,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1553631485, now seen corresponding path program 1 times [2024-04-04 13:21:58,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:21:58,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:21:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:21:58,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:21:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:21:59,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-04-04 13:21:59,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=560, Invalid=4410, Unknown=0, NotChecked=0, Total=4970 [2024-04-04 13:21:59,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:59,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:21:59,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 9.814285714285715) internal successors, (687), 70 states have internal predecessors, (687), 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) [2024-04-04 13:21:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:21:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:21:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:21:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:21:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:21:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:21:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:01,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:22:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:22:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:22:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-04 13:22:01,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 13:22:01,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-04-04 13:22:01,438 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)] === [2024-04-04 13:22:01,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:22:01,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1289799883, now seen corresponding path program 6 times [2024-04-04 13:22:01,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:22:01,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008742733] [2024-04-04 13:22:01,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:01,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 151 proven. 338 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-04-04 13:22:02,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:22:02,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008742733] [2024-04-04 13:22:02,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008742733] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:22:02,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262291073] [2024-04-04 13:22:02,356 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 13:22:02,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:22:02,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:22:02,371 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) [2024-04-04 13:22:02,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 13:22:03,451 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-04-04 13:22:03,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:22:03,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 13:22:03,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:22:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 411 proven. 126 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-04-04 13:22:04,136 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:22:04,979 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 298 proven. 242 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 13:22:04,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262291073] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:22:04,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:22:04,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 25, 26] total 68 [2024-04-04 13:22:04,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785373393] [2024-04-04 13:22:04,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:22:04,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-04-04 13:22:04,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:22:05,219 INFO L85 PathProgramCache]: Analyzing trace with hash 577395079, now seen corresponding path program 2 times [2024-04-04 13:22:05,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:05,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:05,948 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-04-04 13:22:05,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:05,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:06,473 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-04-04 13:22:06,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-04-04 13:22:06,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=797, Invalid=4903, Unknown=0, NotChecked=0, Total=5700 [2024-04-04 13:22:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:06,564 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:22:06,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 9.044117647058824) internal successors, (615), 68 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) [2024-04-04 13:22:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:22:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:06,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:22:06,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:22:06,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-04 13:22:06,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:22:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:22:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:22:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-04 13:22:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:07,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 13:22:07,866 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,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2024-04-04 13:22:07,866 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)] === [2024-04-04 13:22:07,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:22:07,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1394595604, now seen corresponding path program 7 times [2024-04-04 13:22:07,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:22:07,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383972524] [2024-04-04 13:22:07,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:07,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:09,269 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 260 proven. 455 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2024-04-04 13:22:09,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:22:09,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383972524] [2024-04-04 13:22:09,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383972524] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:22:09,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345768763] [2024-04-04 13:22:09,270 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 13:22:09,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:22:09,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:22:09,271 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) [2024-04-04 13:22:09,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 13:22:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:09,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 13:22:09,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:22:10,564 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 429 proven. 297 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 13:22:10,564 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:22:11,625 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 324 proven. 402 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 13:22:11,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345768763] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:22:11,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:22:11,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 91 [2024-04-04 13:22:11,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144012390] [2024-04-04 13:22:11,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:22:11,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-04-04 13:22:11,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:22:11,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1652776877, now seen corresponding path program 3 times [2024-04-04 13:22:11,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:11,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:12,696 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2024-04-04 13:22:12,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:12,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:13,363 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-04-04 13:22:13,644 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 13:22:13,645 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 40 treesize of output 20 [2024-04-04 13:22:13,905 INFO L85 PathProgramCache]: Analyzing trace with hash -497324022, now seen corresponding path program 4 times [2024-04-04 13:22:13,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:13,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 1 proven. 302 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-04-04 13:22:14,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:14,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 1 proven. 302 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-04-04 13:22:15,975 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 13:22:15,976 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 40 treesize of output 20 [2024-04-04 13:22:16,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1858124956, now seen corresponding path program 5 times [2024-04-04 13:22:16,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:16,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:17,129 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 1 proven. 302 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-04-04 13:22:17,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:17,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:17,986 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 1 proven. 302 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-04-04 13:22:18,163 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 13:22:18,163 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 40 treesize of output 20 [2024-04-04 13:22:18,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1862942181, now seen corresponding path program 6 times [2024-04-04 13:22:18,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:18,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:19,284 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 1 proven. 302 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-04-04 13:22:19,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:19,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:20,110 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 1 proven. 302 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2024-04-04 13:22:20,282 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 13:22:20,282 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 40 treesize of output 20 [2024-04-04 13:22:20,539 INFO L85 PathProgramCache]: Analyzing trace with hash -713898360, now seen corresponding path program 1 times [2024-04-04 13:22:20,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:20,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 1 proven. 302 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 13:22:21,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:21,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:22,332 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 1 proven. 302 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 13:22:22,497 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 13:22:22,497 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 40 treesize of output 20 [2024-04-04 13:22:22,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1138471699, now seen corresponding path program 1 times [2024-04-04 13:22:22,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:22,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:23,585 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 1 proven. 302 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 13:22:23,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:23,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 1 proven. 302 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 13:22:24,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-04-04 13:22:24,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1287, Invalid=9633, Unknown=0, NotChecked=0, Total=10920 [2024-04-04 13:22:24,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:24,494 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:22:24,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 7.329670329670329) internal successors, (667), 91 states have internal predecessors, (667), 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) [2024-04-04 13:22:24,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:24,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:24,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:24,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:22:24,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:24,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:22:24,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:22:24,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-04 13:22:24,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:24,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:25,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:25,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:25,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:25,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:22:25,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:25,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:22:25,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:22:25,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-04 13:22:25,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:25,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 13:22:25,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 13:22:25,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable14,SelfDestructingSolverStorable25,SelfDestructingSolverStorable15,SelfDestructingSolverStorable26,SelfDestructingSolverStorable16,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-04 13:22:25,985 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)] === [2024-04-04 13:22:25,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:22:25,985 INFO L85 PathProgramCache]: Analyzing trace with hash -876031241, now seen corresponding path program 8 times [2024-04-04 13:22:25,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:22:25,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545042072] [2024-04-04 13:22:25,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:25,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 352 proven. 455 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-04-04 13:22:27,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:22:27,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545042072] [2024-04-04 13:22:27,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545042072] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:22:27,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068834862] [2024-04-04 13:22:27,243 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 13:22:27,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:22:27,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:22:27,245 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) [2024-04-04 13:22:27,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 13:22:27,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 13:22:27,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:22:27,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-04 13:22:27,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:22:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 422 proven. 232 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-04-04 13:22:28,746 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:22:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 326 proven. 328 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-04-04 13:22:29,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068834862] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:22:29,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:22:29,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 30, 30] total 91 [2024-04-04 13:22:29,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425438758] [2024-04-04 13:22:29,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:22:29,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-04-04 13:22:29,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:22:30,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-04-04 13:22:30,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=835, Invalid=7355, Unknown=0, NotChecked=0, Total=8190 [2024-04-04 13:22:30,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:30,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:22:30,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 8.68131868131868) internal successors, (790), 91 states have internal predecessors, (790), 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) [2024-04-04 13:22:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:22:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:22:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:22:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-04 13:22:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 13:22:30,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:22:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:22:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:22:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-04 13:22:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 13:22:32,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-04 13:22:32,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-04 13:22:32,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-04-04 13:22:32,368 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)] === [2024-04-04 13:22:32,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:22:32,369 INFO L85 PathProgramCache]: Analyzing trace with hash -688294271, now seen corresponding path program 9 times [2024-04-04 13:22:32,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:22:32,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008862083] [2024-04-04 13:22:32,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:32,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 365 proven. 357 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-04-04 13:22:33,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:22:33,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008862083] [2024-04-04 13:22:33,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008862083] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:22:33,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125324145] [2024-04-04 13:22:33,548 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 13:22:33,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:22:33,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:22:33,550 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) [2024-04-04 13:22:33,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-04 13:22:34,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-04 13:22:34,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:22:34,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-04 13:22:34,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:22:34,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 338 proven. 37 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2024-04-04 13:22:34,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:22:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 166 proven. 262 refuted. 0 times theorem prover too weak. 777 trivial. 0 not checked. [2024-04-04 13:22:35,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125324145] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:22:35,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:22:35,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 12, 19] total 60 [2024-04-04 13:22:35,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635261183] [2024-04-04 13:22:35,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:22:35,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-04 13:22:35,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:22:35,571 INFO L85 PathProgramCache]: Analyzing trace with hash -499856939, now seen corresponding path program 3 times [2024-04-04 13:22:35,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:35,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:22:35,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 13:22:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 13:22:36,021 INFO L85 PathProgramCache]: Analyzing trace with hash -393971645, now seen corresponding path program 7 times [2024-04-04 13:22:36,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:36,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:36,173 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2024-04-04 13:22:36,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:36,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:36,301 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2024-04-04 13:22:36,467 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 13:22:36,467 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 [2024-04-04 13:22:36,715 INFO L85 PathProgramCache]: Analyzing trace with hash -227097147, now seen corresponding path program 8 times [2024-04-04 13:22:36,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:36,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:37,348 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2024-04-04 13:22:37,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:37,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2024-04-04 13:22:37,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-04-04 13:22:37,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=4221, Unknown=0, NotChecked=0, Total=4692 [2024-04-04 13:22:37,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:37,997 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:22:37,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 12.081967213114755) internal successors, (737), 62 states have internal predecessors, (737), 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) [2024-04-04 13:22:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:22:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:22:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:22:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-04 13:22:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 13:22:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-04 13:22:37,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:22:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:22:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:22:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-04 13:22:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 13:22:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-04 13:22:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-04 13:22:40,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-04 13:22:40,504 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,SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable28 [2024-04-04 13:22:40,505 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)] === [2024-04-04 13:22:40,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:22:40,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1765050155, now seen corresponding path program 10 times [2024-04-04 13:22:40,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:22:40,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024763910] [2024-04-04 13:22:40,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:40,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:43,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5534 backedges. 898 proven. 2583 refuted. 0 times theorem prover too weak. 2053 trivial. 0 not checked. [2024-04-04 13:22:43,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:22:43,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024763910] [2024-04-04 13:22:43,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024763910] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:22:43,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448837763] [2024-04-04 13:22:43,348 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 13:22:43,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:22:43,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:22:43,349 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) [2024-04-04 13:22:43,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-04 13:22:43,788 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 13:22:43,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:22:43,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 40 conjunts are in the unsatisfiable core [2024-04-04 13:22:43,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:22:46,177 INFO L134 CoverageAnalysis]: Checked inductivity of 5534 backedges. 2652 proven. 370 refuted. 0 times theorem prover too weak. 2512 trivial. 0 not checked. [2024-04-04 13:22:46,177 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:22:47,347 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 13:22:47,347 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 [2024-04-04 13:22:48,418 INFO L134 CoverageAnalysis]: Checked inductivity of 5534 backedges. 564 proven. 2458 refuted. 0 times theorem prover too weak. 2512 trivial. 0 not checked. [2024-04-04 13:22:48,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448837763] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:22:48,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:22:48,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 36, 36] total 106 [2024-04-04 13:22:48,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225141850] [2024-04-04 13:22:48,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:22:48,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-04-04 13:22:48,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:22:49,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-04-04 13:22:49,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1151, Invalid=9979, Unknown=0, NotChecked=0, Total=11130 [2024-04-04 13:22:49,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:49,950 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:22:49,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 8.547169811320755) internal successors, (906), 106 states have internal predecessors, (906), 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) [2024-04-04 13:22:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:22:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:22:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:22:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-04 13:22:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 13:22:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-04 13:22:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-04 13:22:49,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:53,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:22:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:22:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:22:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:22:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:22:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-04 13:22:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:22:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 13:22:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-04 13:22:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-04 13:22:53,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-04 13:22:53,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-04 13:22:53,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:22:53,618 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)] === [2024-04-04 13:22:53,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:22:53,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1747001547, now seen corresponding path program 11 times [2024-04-04 13:22:53,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:22:53,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794356237] [2024-04-04 13:22:53,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:22:53,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:22:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:22:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 5704 backedges. 1107 proven. 2753 refuted. 0 times theorem prover too weak. 1844 trivial. 0 not checked. [2024-04-04 13:22:56,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:22:56,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794356237] [2024-04-04 13:22:56,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794356237] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:22:56,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040732856] [2024-04-04 13:22:56,746 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 13:22:56,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:22:56,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:22:56,747 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) [2024-04-04 13:22:56,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-04 13:23:05,131 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2024-04-04 13:23:05,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 13:23:05,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 2004 conjuncts, 57 conjunts are in the unsatisfiable core [2024-04-04 13:23:05,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 13:23:07,594 INFO L134 CoverageAnalysis]: Checked inductivity of 5704 backedges. 4606 proven. 451 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2024-04-04 13:23:07,594 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 13:23:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 5704 backedges. 3772 proven. 1301 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2024-04-04 13:23:09,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040732856] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 13:23:09,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 13:23:09,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 54, 55] total 147 [2024-04-04 13:23:09,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305812746] [2024-04-04 13:23:09,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 13:23:09,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2024-04-04 13:23:09,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:23:11,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2024-04-04 13:23:11,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3111, Invalid=18351, Unknown=0, NotChecked=0, Total=21462 [2024-04-04 13:23:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:23:11,957 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 13:23:11,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 9.755102040816327) internal successors, (1434), 147 states have internal predecessors, (1434), 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) [2024-04-04 13:23:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:23:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:23:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:23:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:23:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:23:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:23:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:23:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-04-04 13:23:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:23:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 13:23:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-04 13:23:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-04 13:23:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-04-04 13:23:11,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:23:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 13:23:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:23:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 13:23:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 13:23:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:23:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 13:23:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-04 13:23:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-04-04 13:23:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-04 13:23:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 13:23:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-04 13:23:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-04 13:23:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-04-04 13:23:17,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2024-04-04 13:23:17,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-04 13:23:18,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-04-04 13:23:18,188 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)] === [2024-04-04 13:23:18,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 13:23:18,189 INFO L85 PathProgramCache]: Analyzing trace with hash 497480436, now seen corresponding path program 12 times [2024-04-04 13:23:18,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 13:23:18,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330223877] [2024-04-04 13:23:18,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 13:23:18,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 13:23:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 13:23:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 7397 backedges. 4351 proven. 2298 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked. [2024-04-04 13:23:24,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 13:23:24,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330223877] [2024-04-04 13:23:24,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330223877] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 13:23:24,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824707484] [2024-04-04 13:23:24,557 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 13:23:24,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 13:23:24,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 13:23:24,559 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) [2024-04-04 13:23:24,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process Received shutdown request... [2024-04-04 13:35:48,771 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 [2024-04-04 13:35:48,804 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 [2024-04-04 13:35:48,804 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 13:35:49,784 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 0 [2024-04-04 13:35:49,811 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 [2024-04-04 13:35:50,008 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forcibly destroying the process [2024-04-04 13:35:50,030 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 13:35:50,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-04-04 13:35:50,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2024-04-04 13:35:50,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199270810] [2024-04-04 13:35:50,031 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-04-04 13:35:50,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-04-04 13:35:50,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 13:35:50,035 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-04-04 13:35:50,042 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forcibly destroying the process [2024-04-04 13:35:50,042 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,SelfDestructingSolverStorable36 [2024-04-04 13:35:50,042 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2024-04-04 13:35:50,044 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-04-04 13:35:50,044 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-04-04 13:35:50,044 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-04-04 13:35:50,044 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-04-04 13:35:50,047 INFO L445 BasicCegarLoop]: Path program histogram: [12, 8, 3, 1, 1, 1, 1, 1] [2024-04-04 13:35:50,050 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 13:35:50,050 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 13:35:50,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 01:35:50 BasicIcfg [2024-04-04 13:35:50,052 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 13:35:50,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 137 [2024-04-04 13:35:50,071 INFO L158 Benchmark]: Toolchain (without parser) took 856801.49ms. Allocated memory was 200.3MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 129.0MB in the beginning and 791.3MB in the end (delta: -662.3MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-04-04 13:35:50,071 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 13:35:50,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.48ms. Allocated memory is still 200.3MB. Free memory was 128.8MB in the beginning and 115.7MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-04-04 13:35:50,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.84ms. Allocated memory was 200.3MB in the beginning and 334.5MB in the end (delta: 134.2MB). Free memory was 115.7MB in the beginning and 300.4MB in the end (delta: -184.7MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. [2024-04-04 13:35:50,071 INFO L158 Benchmark]: Boogie Preprocessor took 47.06ms. Allocated memory is still 334.5MB. Free memory was 300.4MB in the beginning and 298.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 13:35:50,071 INFO L158 Benchmark]: RCFGBuilder took 694.93ms. Allocated memory is still 334.5MB. Free memory was 298.3MB in the beginning and 246.4MB in the end (delta: 51.9MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2024-04-04 13:35:50,072 INFO L158 Benchmark]: TraceAbstraction took 855709.43ms. Allocated memory was 334.5MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 245.4MB in the beginning and 791.3MB in the end (delta: -545.9MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-04-04 13:35:50,073 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 237.48ms. Allocated memory is still 200.3MB. Free memory was 128.8MB in the beginning and 115.7MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 105.84ms. Allocated memory was 200.3MB in the beginning and 334.5MB in the end (delta: 134.2MB). Free memory was 115.7MB in the beginning and 300.4MB in the end (delta: -184.7MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.06ms. Allocated memory is still 334.5MB. Free memory was 300.4MB in the beginning and 298.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 694.93ms. Allocated memory is still 334.5MB. Free memory was 298.3MB in the beginning and 246.4MB in the end (delta: 51.9MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. * TraceAbstraction took 855709.43ms. Allocated memory was 334.5MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 245.4MB in the beginning and 791.3MB in the end (delta: -545.9MB). 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: 419813, independent: 378458, independent conditional: 378458, independent unconditional: 0, dependent: 41355, dependent conditional: 41328, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 382540, independent: 378458, independent conditional: 378458, independent unconditional: 0, dependent: 4082, dependent conditional: 4082, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 382540, independent: 378458, independent conditional: 378458, independent unconditional: 0, dependent: 4082, dependent conditional: 4082, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 382540, independent: 378458, independent conditional: 378458, independent unconditional: 0, dependent: 4082, dependent conditional: 4082, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 390922, independent: 378458, independent conditional: 34515, independent unconditional: 343943, dependent: 12464, dependent conditional: 3884, dependent unconditional: 8580, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 390922, independent: 378458, independent conditional: 15374, independent unconditional: 363084, dependent: 12464, dependent conditional: 462, dependent unconditional: 12002, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 390922, independent: 378458, independent conditional: 15374, independent unconditional: 363084, dependent: 12464, dependent conditional: 462, dependent unconditional: 12002, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1245, independent: 1206, independent conditional: 98, independent unconditional: 1108, dependent: 39, dependent conditional: 27, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1245, independent: 1192, independent conditional: 0, independent unconditional: 1192, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 53, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 39, dependent conditional: 27, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 39, dependent conditional: 27, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, independent: 37, independent conditional: 20, independent unconditional: 17, dependent: 200, dependent conditional: 75, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 390922, independent: 377252, independent conditional: 15276, independent unconditional: 361976, dependent: 12425, dependent conditional: 435, dependent unconditional: 11990, unknown: 1245, unknown conditional: 125, unknown unconditional: 1120] , Statistics on independence cache: Total cache size (in pairs): 1245, Positive cache size: 1206, Positive conditional cache size: 98, Positive unconditional cache size: 1108, Negative cache size: 39, Negative conditional cache size: 27, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22563, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 390922, independent: 378458, independent conditional: 34515, independent unconditional: 343943, dependent: 12464, dependent conditional: 3884, dependent unconditional: 8580, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 390922, independent: 378458, independent conditional: 15374, independent unconditional: 363084, dependent: 12464, dependent conditional: 462, dependent unconditional: 12002, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 390922, independent: 378458, independent conditional: 15374, independent unconditional: 363084, dependent: 12464, dependent conditional: 462, dependent unconditional: 12002, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1245, independent: 1206, independent conditional: 98, independent unconditional: 1108, dependent: 39, dependent conditional: 27, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1245, independent: 1192, independent conditional: 0, independent unconditional: 1192, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 53, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 39, dependent conditional: 27, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 14, independent conditional: 12, independent unconditional: 2, dependent: 39, dependent conditional: 27, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, independent: 37, independent conditional: 20, independent unconditional: 17, dependent: 200, dependent conditional: 75, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 390922, independent: 377252, independent conditional: 15276, independent unconditional: 361976, dependent: 12425, dependent conditional: 435, dependent unconditional: 11990, unknown: 1245, unknown conditional: 125, unknown unconditional: 1120] , Statistics on independence cache: Total cache size (in pairs): 1245, Positive cache size: 1206, Positive conditional cache size: 98, Positive unconditional cache size: 1108, Negative cache size: 39, Negative conditional cache size: 27, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22563 ], Independence queries for same thread: 37273 - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 146]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 272 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 855.5s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 24.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 795, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 12.1s SatisfiabilityAnalysisTime, 44.1s InterpolantComputationTime, 11757 NumberOfCodeBlocks, 11356 NumberOfCodeBlocksAsserted, 79 NumberOfCheckSat, 16720 ConstructedInterpolants, 339 QuantifiedInterpolants, 70183 SizeOfPredicates, 231 NumberOfNonLiveVariables, 11668 ConjunctsInSsa, 299 ConjunctsInUnsatCore, 37 InterpolantComputations, 3 PerfectInterpolantSequences, 44988/63249 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown