/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-min-max-inc.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 14:28:36,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 14:28:36,538 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 14:28:36,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 14:28:36,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 14:28:36,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 14:28:36,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 14:28:36,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 14:28:36,567 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 14:28:36,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 14:28:36,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 14:28:36,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 14:28:36,570 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 14:28:36,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 14:28:36,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 14:28:36,572 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 14:28:36,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 14:28:36,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 14:28:36,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 14:28:36,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 14:28:36,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 14:28:36,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 14:28:36,573 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 14:28:36,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 14:28:36,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 14:28:36,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 14:28:36,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 14:28:36,574 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 14:28:36,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 14:28:36,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 14:28:36,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 14:28:36,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 14:28:36,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 14:28:36,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 14:28:36,576 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 14:28:36,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 14:28:36,576 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 14:28:36,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 14:28:36,577 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 14:28:36,577 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-05-05 14:28:36,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 14:28:36,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 14:28:36,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 14:28:36,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 14:28:36,826 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 14:28:36,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c [2024-05-05 14:28:37,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 14:28:37,948 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 14:28:37,949 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c [2024-05-05 14:28:37,954 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/edfd2a88c/e95ed5359c174fc8b2bf0adf568a9145/FLAG6e1f8aeca [2024-05-05 14:28:37,964 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/edfd2a88c/e95ed5359c174fc8b2bf0adf568a9145 [2024-05-05 14:28:37,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 14:28:37,966 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 14:28:37,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 14:28:37,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 14:28:37,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 14:28:37,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 02:28:37" (1/1) ... [2024-05-05 14:28:37,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2bec9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:28:37, skipping insertion in model container [2024-05-05 14:28:37,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 02:28:37" (1/1) ... [2024-05-05 14:28:37,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 14:28:38,117 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-min-max-inc.wvr.c[3018,3031] [2024-05-05 14:28:38,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 14:28:38,129 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 14:28:38,146 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-min-max-inc.wvr.c[3018,3031] [2024-05-05 14:28:38,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 14:28:38,153 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 14:28:38,153 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 14:28:38,158 INFO L206 MainTranslator]: Completed translation [2024-05-05 14:28:38,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:28:38 WrapperNode [2024-05-05 14:28:38,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 14:28:38,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 14:28:38,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 14:28:38,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 14:28:38,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:28:38" (1/1) ... [2024-05-05 14:28:38,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:28:38" (1/1) ... [2024-05-05 14:28:38,203 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-05-05 14:28:38,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 14:28:38,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 14:28:38,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 14:28:38,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 14:28:38,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:28:38" (1/1) ... [2024-05-05 14:28:38,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:28:38" (1/1) ... [2024-05-05 14:28:38,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:28:38" (1/1) ... [2024-05-05 14:28:38,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:28:38" (1/1) ... [2024-05-05 14:28:38,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:28:38" (1/1) ... [2024-05-05 14:28:38,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:28:38" (1/1) ... [2024-05-05 14:28:38,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:28:38" (1/1) ... [2024-05-05 14:28:38,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:28:38" (1/1) ... [2024-05-05 14:28:38,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 14:28:38,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 14:28:38,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 14:28:38,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 14:28:38,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:28:38" (1/1) ... [2024-05-05 14:28:38,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 14:28:38,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 14:28:38,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-05 14:28:38,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-05 14:28:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 14:28:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 14:28:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 14:28:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 14:28:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-05 14:28:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-05 14:28:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-05 14:28:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-05 14:28:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-05 14:28:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-05 14:28:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-05 14:28:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-05 14:28:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 14:28:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 14:28:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 14:28:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-05 14:28:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 14:28:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 14:28:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 14:28:38,328 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 14:28:38,453 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 14:28:38,455 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 14:28:38,654 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 14:28:38,789 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 14:28:38,789 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-05 14:28:38,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 02:28:38 BoogieIcfgContainer [2024-05-05 14:28:38,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 14:28:38,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 14:28:38,793 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 14:28:38,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 14:28:38,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 02:28:37" (1/3) ... [2024-05-05 14:28:38,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f3b545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 02:28:38, skipping insertion in model container [2024-05-05 14:28:38,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:28:38" (2/3) ... [2024-05-05 14:28:38,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f3b545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 02:28:38, skipping insertion in model container [2024-05-05 14:28:38,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 02:28:38" (3/3) ... [2024-05-05 14:28:38,797 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc.wvr.c [2024-05-05 14:28:38,803 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 14:28:38,811 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 14:28:38,811 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 14:28:38,811 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 14:28:38,858 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-05 14:28:38,894 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 14:28:38,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 14:28:38,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 14:28:38,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 14:28:38,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-05 14:28:38,943 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 14:28:38,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 14:28:38,954 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 14:28:38,961 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;@628f1e01, 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, mConComCheckerConditionCriterion=false [2024-05-05 14:28:38,961 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-05 14:28:39,306 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 14:28:39,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 14:28:39,310 INFO L85 PathProgramCache]: Analyzing trace with hash -884110150, now seen corresponding path program 1 times [2024-05-05 14:28:39,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 14:28:39,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869454760] [2024-05-05 14:28:39,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:39,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:28:39,631 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-05-05 14:28:39,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 14:28:39,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869454760] [2024-05-05 14:28:39,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869454760] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 14:28:39,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 14:28:39,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 14:28:39,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567245985] [2024-05-05 14:28:39,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 14:28:39,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 14:28:39,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 14:28:39,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 14:28:39,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 14:28:39,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:39,743 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 14:28:39,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 70.5) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 14:28:39,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:39,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:39,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 14:28:39,828 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 14:28:39,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 14:28:39,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1846802511, now seen corresponding path program 1 times [2024-05-05 14:28:39,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 14:28:39,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316162837] [2024-05-05 14:28:39,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:39,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:28:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-05-05 14:28:40,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 14:28:40,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316162837] [2024-05-05 14:28:40,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316162837] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 14:28:40,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 14:28:40,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-05 14:28:40,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381576842] [2024-05-05 14:28:40,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 14:28:40,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-05 14:28:40,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 14:28:40,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-05 14:28:40,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-05 14:28:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:40,363 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 14:28:40,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 14:28:40,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:40,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:40,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:40,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 14:28:40,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 14:28:40,537 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 14:28:40,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 14:28:40,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1283961915, now seen corresponding path program 1 times [2024-05-05 14:28:40,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 14:28:40,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043332147] [2024-05-05 14:28:40,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:40,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:28:40,868 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-05-05 14:28:40,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 14:28:40,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043332147] [2024-05-05 14:28:40,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043332147] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 14:28:40,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504399601] [2024-05-05 14:28:40,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:40,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 14:28:40,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 14:28:40,936 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 14:28:40,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 14:28:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:28:41,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-05 14:28:41,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 14:28:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-05-05 14:28:41,383 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 14:28:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-05-05 14:28:41,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504399601] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 14:28:41,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 14:28:41,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-05-05 14:28:41,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606678045] [2024-05-05 14:28:41,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 14:28:41,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-05 14:28:41,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 14:28:41,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-05 14:28:41,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-05-05 14:28:41,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:41,708 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 14:28:41,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.25) internal successors, (270), 24 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 14:28:41,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:41,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 14:28:41,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:42,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 14:28:42,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 14:28:42,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-05 14:28:42,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-05 14:28:42,258 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 14:28:42,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 14:28:42,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1272527833, now seen corresponding path program 2 times [2024-05-05 14:28:42,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 14:28:42,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699372868] [2024-05-05 14:28:42,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:42,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:28:42,576 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 58 proven. 15 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-05-05 14:28:42,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 14:28:42,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699372868] [2024-05-05 14:28:42,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699372868] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 14:28:42,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239625060] [2024-05-05 14:28:42,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 14:28:42,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 14:28:42,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 14:28:42,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 14:28:42,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 14:28:42,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-05-05 14:28:42,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 14:28:42,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 33 conjunts are in the unsatisfiable core [2024-05-05 14:28:42,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 14:28:42,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-05-05 14:28:42,759 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-05-05 14:28:42,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-05-05 14:28:42,791 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-05-05 14:28:42,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2024-05-05 14:28:42,936 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 14:28:42,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 15 treesize of output 15 [2024-05-05 14:28:43,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-05-05 14:28:43,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-05 14:28:43,218 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-05-05 14:28:43,219 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 14:28:43,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239625060] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 14:28:43,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 14:28:43,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [15] total 30 [2024-05-05 14:28:43,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757723489] [2024-05-05 14:28:43,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 14:28:43,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-05 14:28:43,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 14:28:43,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 73 [2024-05-05 14:28:43,338 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 14:28:43,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 73 treesize of output 41 [2024-05-05 14:28:43,379 INFO L85 PathProgramCache]: Analyzing trace with hash -2000312289, now seen corresponding path program 1 times [2024-05-05 14:28:43,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:43,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 14:28:43,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 14:28:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 14:28:43,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2024-05-05 14:28:43,659 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 14:28:43,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 64 treesize of output 38 [2024-05-05 14:28:46,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1121051060, now seen corresponding path program 1 times [2024-05-05 14:28:46,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:46,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:28:47,071 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 14:28:47,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:47,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:28:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 14:28:47,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2024-05-05 14:28:47,455 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 14:28:47,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 64 treesize of output 38 [2024-05-05 14:28:47,740 INFO L85 PathProgramCache]: Analyzing trace with hash 348250444, now seen corresponding path program 2 times [2024-05-05 14:28:47,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:47,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:28:48,403 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 14:28:48,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:48,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:28:48,824 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 14:28:48,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-05 14:28:48,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2610, Unknown=0, NotChecked=0, Total=2756 [2024-05-05 14:28:48,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:48,828 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 14:28:48,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.529411764705882) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 14:28:48,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:48,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 14:28:48,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 14:28:48,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:53,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 14:28:53,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 14:28:53,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-05 14:28:53,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-05 14:28:53,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 14:28:53,601 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 14:28:53,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 14:28:53,602 INFO L85 PathProgramCache]: Analyzing trace with hash -985301737, now seen corresponding path program 3 times [2024-05-05 14:28:53,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 14:28:53,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888985308] [2024-05-05 14:28:53,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:53,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:28:53,909 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 58 proven. 15 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-05-05 14:28:53,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 14:28:53,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888985308] [2024-05-05 14:28:53,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888985308] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 14:28:53,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906433879] [2024-05-05 14:28:53,910 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 14:28:53,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 14:28:53,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 14:28:53,925 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 14:28:53,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-05 14:28:54,041 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-05-05 14:28:54,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 14:28:54,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-05 14:28:54,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 14:28:54,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-05-05 14:28:54,071 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-05-05 14:28:54,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-05-05 14:28:54,102 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-05-05 14:28:54,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2024-05-05 14:28:54,301 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 14:28:54,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 15 treesize of output 15 [2024-05-05 14:28:54,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-05-05 14:28:54,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-05 14:28:54,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-05-05 14:28:54,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-05 14:28:54,740 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-05-05 14:28:54,740 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 14:28:54,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906433879] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 14:28:54,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 14:28:54,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [15] total 32 [2024-05-05 14:28:54,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958847761] [2024-05-05 14:28:54,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 14:28:54,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-05 14:28:54,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 14:28:54,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 88 [2024-05-05 14:28:54,965 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 14:28:54,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 93 treesize of output 55 [2024-05-05 14:28:55,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1402917469, now seen corresponding path program 2 times [2024-05-05 14:28:55,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:55,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 14:28:55,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 14:28:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 14:28:55,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 73 [2024-05-05 14:28:55,229 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 14:28:55,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 73 treesize of output 41 [2024-05-05 14:28:55,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1583081291, now seen corresponding path program 1 times [2024-05-05 14:28:55,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:55,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:28:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 14:28:55,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:55,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:28:55,566 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 14:28:55,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2024-05-05 14:28:55,661 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 14:28:55,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 64 treesize of output 38 [2024-05-05 14:28:58,451 INFO L85 PathProgramCache]: Analyzing trace with hash 720291022, now seen corresponding path program 3 times [2024-05-05 14:28:58,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:58,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:28:59,024 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 14:28:59,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:28:59,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:28:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:28:59,330 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 14:28:59,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-05 14:28:59,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=2046, Unknown=0, NotChecked=0, Total=2162 [2024-05-05 14:28:59,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:59,333 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 14:28:59,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.631578947368421) internal successors, (145), 19 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 14:28:59,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:28:59,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 14:28:59,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 14:28:59,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-05 14:28:59,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:29:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:29:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 14:29:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 14:29:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-05 14:29:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-05 14:29:02,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-05 14:29:03,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-05 14:29:03,015 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 14:29:03,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 14:29:03,016 INFO L85 PathProgramCache]: Analyzing trace with hash -536145224, now seen corresponding path program 4 times [2024-05-05 14:29:03,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 14:29:03,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615304071] [2024-05-05 14:29:03,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:29:03,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:29:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:29:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 46 proven. 17 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-05 14:29:03,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 14:29:03,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615304071] [2024-05-05 14:29:03,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615304071] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 14:29:03,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761008709] [2024-05-05 14:29:03,202 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 14:29:03,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 14:29:03,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 14:29:03,203 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 14:29:03,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-05 14:29:03,321 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 14:29:03,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 14:29:03,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-05 14:29:03,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 14:29:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 57 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-05 14:29:03,640 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 14:29:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 57 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-05 14:29:03,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761008709] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 14:29:03,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 14:29:03,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 36 [2024-05-05 14:29:03,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899102698] [2024-05-05 14:29:03,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 14:29:03,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-05-05 14:29:03,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 14:29:04,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-05-05 14:29:04,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1093, Unknown=0, NotChecked=0, Total=1260 [2024-05-05 14:29:04,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:29:04,006 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 14:29:04,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 10.13888888888889) internal successors, (365), 36 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 14:29:04,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:29:04,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 14:29:04,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 14:29:04,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-05 14:29:04,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-05 14:29:04,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:29:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:29:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 14:29:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 14:29:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-05 14:29:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-05 14:29:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-05 14:29:08,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-05 14:29:08,987 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,SelfDestructingSolverStorable15 [2024-05-05 14:29:08,987 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 14:29:08,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 14:29:08,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1146515239, now seen corresponding path program 5 times [2024-05-05 14:29:08,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 14:29:08,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847461283] [2024-05-05 14:29:08,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:29:08,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:29:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:29:09,297 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 29 proven. 72 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 14:29:09,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 14:29:09,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847461283] [2024-05-05 14:29:09,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847461283] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 14:29:09,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311062709] [2024-05-05 14:29:09,298 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 14:29:09,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 14:29:09,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 14:29:09,314 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 14:29:09,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-05 14:29:09,533 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-05-05 14:29:09,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 14:29:09,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-05 14:29:09,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 14:29:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 35 proven. 40 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-05 14:29:09,860 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 14:29:10,023 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 20 proven. 18 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-05-05 14:29:10,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311062709] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 14:29:10,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 14:29:10,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 8] total 34 [2024-05-05 14:29:10,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748931425] [2024-05-05 14:29:10,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 14:29:10,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-05-05 14:29:10,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 14:29:10,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-05-05 14:29:10,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-05-05 14:29:10,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1945467406, now seen corresponding path program 1 times [2024-05-05 14:29:10,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:29:10,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:29:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:29:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-05 14:29:10,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:29:10,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:29:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:29:10,558 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-05 14:29:10,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-05-05 14:29:10,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1138, Unknown=0, NotChecked=0, Total=1260 [2024-05-05 14:29:10,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:29:10,609 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 14:29:10,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 12.485714285714286) internal successors, (437), 36 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 14:29:10,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:29:10,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 14:29:10,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 14:29:10,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-05 14:29:10,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-05 14:29:10,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-05 14:29:10,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:29:31,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:29:31,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 14:29:31,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 14:29:31,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-05 14:29:31,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-05 14:29:31,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-05 14:29:31,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-05-05 14:29:31,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-05 14:29:31,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-05 14:29:31,536 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 14:29:31,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 14:29:31,536 INFO L85 PathProgramCache]: Analyzing trace with hash -677451755, now seen corresponding path program 6 times [2024-05-05 14:29:31,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 14:29:31,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093713938] [2024-05-05 14:29:31,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:29:31,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:29:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:29:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 184 proven. 36 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-05-05 14:29:32,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 14:29:32,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093713938] [2024-05-05 14:29:32,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093713938] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 14:29:32,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335150112] [2024-05-05 14:29:32,210 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 14:29:32,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 14:29:32,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 14:29:32,211 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 14:29:32,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-05 14:29:32,356 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-05-05 14:29:32,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 14:29:32,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-05 14:29:32,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 14:29:32,661 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-05-05 14:29:32,661 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 14:29:32,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335150112] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 14:29:32,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 14:29:32,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 25 [2024-05-05 14:29:32,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884081429] [2024-05-05 14:29:32,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 14:29:32,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-05 14:29:32,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 14:29:32,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2024-05-05 14:29:32,858 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 14:29:32,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 64 treesize of output 38 [2024-05-05 14:29:34,912 INFO L85 PathProgramCache]: Analyzing trace with hash 750474927, now seen corresponding path program 2 times [2024-05-05 14:29:34,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:29:34,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:29:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:29:35,207 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 85 proven. 84 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-05 14:29:35,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:29:35,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:29:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:29:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 85 proven. 84 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-05 14:29:35,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-05 14:29:35,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=968, Unknown=0, NotChecked=0, Total=1056 [2024-05-05 14:29:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:29:35,559 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 14:29:35,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 8 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 14:29:35,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:29:35,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 14:29:35,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 14:29:35,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-05 14:29:35,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-05 14:29:35,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-05 14:29:35,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-05-05 14:29:35,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.