/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 16:36:01,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 16:36:01,861 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 16:36:01,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 16:36:01,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 16:36:01,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 16:36:01,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 16:36:01,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 16:36:01,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 16:36:01,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 16:36:01,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 16:36:01,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 16:36:01,895 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 16:36:01,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 16:36:01,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 16:36:01,897 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 16:36:01,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 16:36:01,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 16:36:01,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 16:36:01,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 16:36:01,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 16:36:01,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 16:36:01,899 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 16:36:01,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 16:36:01,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 16:36:01,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 16:36:01,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 16:36:01,900 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 16:36:01,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 16:36:01,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 16:36:01,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 16:36:01,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 16:36:01,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 16:36:01,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 16:36:01,902 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 16:36:01,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 16:36:01,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 16:36:01,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 16:36:01,902 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 16:36:01,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-04 16:36:02,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 16:36:02,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 16:36:02,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 16:36:02,164 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 16:36:02,164 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 16:36:02,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c [2024-04-04 16:36:03,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 16:36:03,598 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 16:36:03,598 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c [2024-04-04 16:36:03,609 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/37c34b9a6/245ec90770994d40b2e6e129e08418c8/FLAGdab299df9 [2024-04-04 16:36:03,623 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/37c34b9a6/245ec90770994d40b2e6e129e08418c8 [2024-04-04 16:36:03,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 16:36:03,627 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 16:36:03,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 16:36:03,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 16:36:03,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 16:36:03,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 04:36:03" (1/1) ... [2024-04-04 16:36:03,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7405508e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:36:03, skipping insertion in model container [2024-04-04 16:36:03,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 04:36:03" (1/1) ... [2024-04-04 16:36:03,661 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 16:36:03,839 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-dec.wvr.c[3271,3284] [2024-04-04 16:36:03,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 16:36:03,859 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 16:36:03,904 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-dec.wvr.c[3271,3284] [2024-04-04 16:36:03,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 16:36:03,912 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 16:36:03,912 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 16:36:03,920 INFO L206 MainTranslator]: Completed translation [2024-04-04 16:36:03,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:36:03 WrapperNode [2024-04-04 16:36:03,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 16:36:03,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 16:36:03,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 16:36:03,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 16:36:03,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:36:03" (1/1) ... [2024-04-04 16:36:03,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:36:03" (1/1) ... [2024-04-04 16:36:03,954 INFO L138 Inliner]: procedures = 27, calls = 75, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 178 [2024-04-04 16:36:03,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 16:36:03,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 16:36:03,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 16:36:03,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 16:36:03,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:36:03" (1/1) ... [2024-04-04 16:36:03,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:36:03" (1/1) ... [2024-04-04 16:36:03,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:36:03" (1/1) ... [2024-04-04 16:36:04,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:36:03" (1/1) ... [2024-04-04 16:36:04,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:36:03" (1/1) ... [2024-04-04 16:36:04,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:36:03" (1/1) ... [2024-04-04 16:36:04,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:36:03" (1/1) ... [2024-04-04 16:36:04,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:36:03" (1/1) ... [2024-04-04 16:36:04,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 16:36:04,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 16:36:04,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 16:36:04,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 16:36:04,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:36:03" (1/1) ... [2024-04-04 16:36:04,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 16:36:04,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 16:36:04,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 16:36:04,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 16:36:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 16:36:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 16:36:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 16:36:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 16:36:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 16:36:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 16:36:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 16:36:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 16:36:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 16:36:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 16:36:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-04 16:36:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-04 16:36:04,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 16:36:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-04-04 16:36:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-04-04 16:36:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 16:36:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 16:36:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 16:36:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 16:36:04,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 16:36:04,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 16:36:04,107 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 16:36:04,186 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 16:36:04,188 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 16:36:04,424 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 16:36:04,493 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 16:36:04,493 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-04-04 16:36:04,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 04:36:04 BoogieIcfgContainer [2024-04-04 16:36:04,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 16:36:04,497 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 16:36:04,497 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 16:36:04,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 16:36:04,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 04:36:03" (1/3) ... [2024-04-04 16:36:04,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3698571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 04:36:04, skipping insertion in model container [2024-04-04 16:36:04,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 04:36:03" (2/3) ... [2024-04-04 16:36:04,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3698571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 04:36:04, skipping insertion in model container [2024-04-04 16:36:04,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 04:36:04" (3/3) ... [2024-04-04 16:36:04,501 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2024-04-04 16:36:04,506 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 16:36:04,513 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 16:36:04,513 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 16:36:04,513 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 16:36:04,570 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-04-04 16:36:04,604 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 16:36:04,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 16:36:04,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 16:36:04,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 16:36:04,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 16:36:04,656 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 16:36:04,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 16:36:04,666 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 16:36:04,671 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;@750df189, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 16:36:04,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-04 16:36:09,253 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 55 treesize of output 47 [2024-04-04 16:36:09,263 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 16:36:09,264 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 52 treesize of output 32 [2024-04-04 16:36:09,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1653010273, now seen corresponding path program 1 times [2024-04-04 16:36:09,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:09,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:09,666 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-04 16:36:09,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:09,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-04 16:36:09,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 16:36:09,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 16:36:10,622 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 44 treesize of output 38 [2024-04-04 16:36:10,629 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 16:36:10,629 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 43 treesize of output 29 [2024-04-04 16:36:11,312 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 [2024-04-04 16:36:11,324 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 16:36:11,324 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 [2024-04-04 16:36:11,351 INFO L85 PathProgramCache]: Analyzing trace with hash -647371329, now seen corresponding path program 1 times [2024-04-04 16:36:11,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:11,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:11,716 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 16:36:11,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:11,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:11,826 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 16:36:11,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 16:36:11,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-04-04 16:36:13,429 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 [2024-04-04 16:36:13,435 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 16:36:13,435 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 [2024-04-04 16:36:15,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1954674413, now seen corresponding path program 1 times [2024-04-04 16:36:15,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:15,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 16:36:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:15,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:16,032 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 16:36:16,108 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 61 treesize of output 51 [2024-04-04 16:36:16,113 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 16:36:16,114 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 46 treesize of output 26 [2024-04-04 16:36:16,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1720368802, now seen corresponding path program 2 times [2024-04-04 16:36:16,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:16,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-04 16:36:16,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:16,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:16,549 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-04 16:36:16,653 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:36:16,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-04-04 16:36:18,736 INFO L85 PathProgramCache]: Analyzing trace with hash -2084935167, now seen corresponding path program 1 times [2024-04-04 16:36:18,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:18,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-04 16:36:18,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:18,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-04 16:36:19,177 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:36:19,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 36 [2024-04-04 16:36:21,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1998482317, now seen corresponding path program 2 times [2024-04-04 16:36:21,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:21,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:21,478 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-04 16:36:21,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:21,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:21,667 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-04 16:36:22,070 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 72 treesize of output 60 [2024-04-04 16:36:22,075 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 16:36:22,075 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 55 treesize of output 29 [2024-04-04 16:36:24,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1873874990, now seen corresponding path program 3 times [2024-04-04 16:36:24,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:24,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 16:36:24,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:24,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 16:36:24,851 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 3 more)] === [2024-04-04 16:36:24,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 16:36:24,853 INFO L85 PathProgramCache]: Analyzing trace with hash -159439195, now seen corresponding path program 1 times [2024-04-04 16:36:24,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 16:36:24,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515157259] [2024-04-04 16:36:24,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:24,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-04-04 16:36:25,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 16:36:25,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515157259] [2024-04-04 16:36:25,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515157259] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 16:36:25,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688617736] [2024-04-04 16:36:25,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:25,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 16:36:25,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 16:36:25,255 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 16:36:25,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 16:36:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:25,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 16:36:25,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 16:36:25,713 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 145 proven. 1 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-04-04 16:36:25,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 16:36:25,937 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 145 proven. 1 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-04-04 16:36:25,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688617736] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 16:36:25,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 16:36:25,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-04 16:36:25,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996294305] [2024-04-04 16:36:25,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 16:36:25,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-04 16:36:25,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 16:36:26,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-04 16:36:26,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-04-04 16:36:26,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:36:26,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 16:36:26,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.083333333333334) internal successors, (314), 24 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 16:36:26,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:36:27,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 16:36:27,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 16:36:28,023 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,SelfDestructingSolverStorable14 [2024-04-04 16:36:28,024 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 3 more)] === [2024-04-04 16:36:28,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 16:36:28,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1543240338, now seen corresponding path program 2 times [2024-04-04 16:36:28,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 16:36:28,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342459430] [2024-04-04 16:36:28,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:28,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 237 proven. 15 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-04-04 16:36:28,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 16:36:28,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342459430] [2024-04-04 16:36:28,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342459430] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 16:36:28,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655834214] [2024-04-04 16:36:28,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 16:36:28,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 16:36:28,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 16:36:28,441 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 16:36:28,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 16:36:28,620 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-04-04 16:36:28,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 16:36:28,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 16:36:28,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 16:36:28,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 16:36:28,846 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 [2024-04-04 16:36:28,870 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 [2024-04-04 16:36:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-04-04 16:36:29,156 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 16:36:29,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655834214] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 16:36:29,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 16:36:29,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 28 [2024-04-04 16:36:29,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246210517] [2024-04-04 16:36:29,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 16:36:29,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-04 16:36:29,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 16:36:29,355 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 [2024-04-04 16:36:29,359 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 16:36:29,359 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 [2024-04-04 16:36:29,417 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:36:29,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 36 [2024-04-04 16:36:31,526 INFO L85 PathProgramCache]: Analyzing trace with hash -847352528, now seen corresponding path program 1 times [2024-04-04 16:36:31,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:31,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:31,881 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 16:36:31,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:31,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 16:36:32,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-04 16:36:32,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=744, Unknown=0, NotChecked=0, Total=812 [2024-04-04 16:36:32,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:36:32,148 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 16:36:32,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 15 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 16:36:32,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 16:36:32,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 16:36:34,781 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:36:34,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-04-04 16:36:37,121 INFO L85 PathProgramCache]: Analyzing trace with hash -770522221, now seen corresponding path program 1 times [2024-04-04 16:36:37,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:37,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-04 16:36:37,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:37,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:37,810 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-04 16:36:38,209 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:36:38,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-04-04 16:36:40,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1599381727, now seen corresponding path program 1 times [2024-04-04 16:36:40,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:40,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 16:36:40,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 16:36:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 16:36:41,264 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:36:41,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 36 [2024-04-04 16:36:43,576 INFO L85 PathProgramCache]: Analyzing trace with hash -2027394174, now seen corresponding path program 1 times [2024-04-04 16:36:43,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:43,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:43,857 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 16:36:43,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:43,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 16:36:44,705 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:36:44,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 36 [2024-04-04 16:36:47,117 INFO L85 PathProgramCache]: Analyzing trace with hash 267632507, now seen corresponding path program 1 times [2024-04-04 16:36:47,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:47,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:47,313 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 16:36:47,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:47,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:47,621 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 16:36:47,745 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:36:47,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-04-04 16:36:50,143 INFO L85 PathProgramCache]: Analyzing trace with hash 544500538, now seen corresponding path program 2 times [2024-04-04 16:36:50,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:50,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:50,332 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-04 16:36:50,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:36:50,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:36:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:36:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-04 16:37:26,987 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:37:26,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-04-04 16:37:29,248 INFO L85 PathProgramCache]: Analyzing trace with hash -941276534, now seen corresponding path program 1 times [2024-04-04 16:37:29,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:37:29,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:37:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:37:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-04 16:37:29,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:37:29,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:37:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:37:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-04 16:37:30,458 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:37:30,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-04-04 16:37:32,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1019755018, now seen corresponding path program 1 times [2024-04-04 16:37:32,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:37:32,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:37:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 16:37:32,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 16:37:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 16:37:33,540 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:37:33,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 36 [2024-04-04 16:37:35,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1013891349, now seen corresponding path program 1 times [2024-04-04 16:37:35,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:37:35,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:37:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:37:35,936 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 16:37:35,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:37:35,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:37:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:37:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 16:37:37,449 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:37:37,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 36 [2024-04-04 16:37:39,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1529728846, now seen corresponding path program 1 times [2024-04-04 16:37:39,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:37:39,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:37:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:37:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 16:37:39,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:37:39,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:37:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:37:40,083 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 16:37:40,191 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:37:40,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-04-04 16:37:42,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1293714723, now seen corresponding path program 2 times [2024-04-04 16:37:42,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:37:42,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:37:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:37:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-04 16:37:42,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:37:42,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:37:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:37:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-04 16:37:53,785 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:37:53,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1311 treesize of output 1083 [2024-04-04 16:37:56,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1972083760, now seen corresponding path program 1 times [2024-04-04 16:37:56,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:37:56,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:37:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 16:37:56,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 16:37:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 16:37:56,276 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:37:56,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1377 treesize of output 1149 [2024-04-04 16:37:58,592 INFO L85 PathProgramCache]: Analyzing trace with hash -237706060, now seen corresponding path program 1 times [2024-04-04 16:37:58,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:37:58,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:37:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 16:37:58,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 16:37:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 16:37:59,007 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 102 treesize of output 70 [2024-04-04 16:37:59,022 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 92 treesize of output 68 [2024-04-04 16:38:01,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1526321461, now seen corresponding path program 1 times [2024-04-04 16:38:01,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:38:01,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:38:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:38:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 16:38:01,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:38:01,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:38:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:38:01,848 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 16:38:02,087 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:38:02,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2549 treesize of output 2097 [2024-04-04 16:38:04,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1294314837, now seen corresponding path program 1 times [2024-04-04 16:38:04,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:38:04,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:38:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:38:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 16:38:04,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:38:04,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:38:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:38:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 16:38:05,189 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 92 treesize of output 68 [2024-04-04 16:38:05,208 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 102 treesize of output 70 [2024-04-04 16:38:07,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1534628790, now seen corresponding path program 2 times [2024-04-04 16:38:07,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:38:07,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:38:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:38:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 16:38:07,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:38:07,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:38:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:38:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 16:38:08,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 68 [2024-04-04 16:38:08,247 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 102 treesize of output 70 [2024-04-04 16:38:10,741 INFO L85 PathProgramCache]: Analyzing trace with hash -290962803, now seen corresponding path program 1 times [2024-04-04 16:38:10,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:38:10,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:38:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:38:10,857 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 16:38:10,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:38:10,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:38:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:38:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 16:38:13,335 INFO L349 Elim1Store]: treesize reduction 11, result has 26.7 percent of original size [2024-04-04 16:38:13,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 658 treesize of output 542 [2024-04-04 16:38:15,804 INFO L85 PathProgramCache]: Analyzing trace with hash -424067717, now seen corresponding path program 1 times [2024-04-04 16:38:15,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:38:15,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:38:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:38:16,122 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-04 16:38:16,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 16:38:16,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 16:38:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 16:38:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.