./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread/queue_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a849f68 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread/queue_longest.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-26 06:24:09,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-26 06:24:09,166 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-10-26 06:24:09,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-26 06:24:09,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-26 06:24:09,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-26 06:24:09,206 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-26 06:24:09,207 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-26 06:24:09,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-26 06:24:09,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-26 06:24:09,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-26 06:24:09,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-26 06:24:09,209 INFO L153 SettingsManager]: * Use SBE=true [2024-10-26 06:24:09,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-26 06:24:09,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-26 06:24:09,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-26 06:24:09,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-26 06:24:09,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-26 06:24:09,211 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-26 06:24:09,212 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-26 06:24:09,212 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-26 06:24:09,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-26 06:24:09,213 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-26 06:24:09,214 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-26 06:24:09,217 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-26 06:24:09,217 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-26 06:24:09,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-26 06:24:09,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-26 06:24:09,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-26 06:24:09,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-26 06:24:09,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-26 06:24:09,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 06:24:09,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-26 06:24:09,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-26 06:24:09,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-26 06:24:09,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-26 06:24:09,222 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-26 06:24:09,222 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-26 06:24:09,222 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-26 06:24:09,223 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-26 06:24:09,223 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-26 06:24:09,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 [2024-10-26 06:24:09,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-26 06:24:09,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-26 06:24:09,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-26 06:24:09,536 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-26 06:24:09,538 INFO L274 PluginConnector]: CDTParser initialized [2024-10-26 06:24:09,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread/queue_longest.i [2024-10-26 06:24:11,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-26 06:24:11,389 INFO L384 CDTParser]: Found 1 translation units. [2024-10-26 06:24:11,390 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/queue_longest.i [2024-10-26 06:24:11,412 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e54cfd7e4/3074fa3175fc4a918121e91660d4a74b/FLAGa000cce54 [2024-10-26 06:24:11,429 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e54cfd7e4/3074fa3175fc4a918121e91660d4a74b [2024-10-26 06:24:11,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-26 06:24:11,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-26 06:24:11,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-26 06:24:11,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-26 06:24:11,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-26 06:24:11,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 06:24:11" (1/1) ... [2024-10-26 06:24:11,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a8a42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:24:11, skipping insertion in model container [2024-10-26 06:24:11,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 06:24:11" (1/1) ... [2024-10-26 06:24:11,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-26 06:24:12,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 06:24:12,173 INFO L200 MainTranslator]: Completed pre-run [2024-10-26 06:24:12,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 06:24:12,394 INFO L204 MainTranslator]: Completed translation [2024-10-26 06:24:12,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:24:12 WrapperNode [2024-10-26 06:24:12,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-26 06:24:12,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-26 06:24:12,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-26 06:24:12,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-26 06:24:12,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:24:12" (1/1) ... [2024-10-26 06:24:12,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:24:12" (1/1) ... [2024-10-26 06:24:12,617 INFO L138 Inliner]: procedures = 274, calls = 1659, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 1846 [2024-10-26 06:24:12,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-26 06:24:12,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-26 06:24:12,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-26 06:24:12,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-26 06:24:12,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:24:12" (1/1) ... [2024-10-26 06:24:12,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:24:12" (1/1) ... [2024-10-26 06:24:12,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:24:12" (1/1) ... [2024-10-26 06:24:12,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:24:12" (1/1) ... [2024-10-26 06:24:12,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:24:12" (1/1) ... [2024-10-26 06:24:12,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:24:12" (1/1) ... [2024-10-26 06:24:12,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:24:12" (1/1) ... [2024-10-26 06:24:12,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:24:12" (1/1) ... [2024-10-26 06:24:12,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-26 06:24:12,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-26 06:24:12,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-26 06:24:12,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-26 06:24:12,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:24:12" (1/1) ... [2024-10-26 06:24:12,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 06:24:12,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 06:24:12,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-26 06:24:12,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-26 06:24:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-10-26 06:24:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-10-26 06:24:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-10-26 06:24:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-10-26 06:24:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-26 06:24:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-26 06:24:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-26 06:24:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-26 06:24:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-26 06:24:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-26 06:24:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-26 06:24:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-26 06:24:12,852 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-26 06:24:13,036 INFO L238 CfgBuilder]: Building ICFG [2024-10-26 06:24:13,039 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-26 06:24:15,076 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-26 06:24:15,077 INFO L287 CfgBuilder]: Performing block encoding [2024-10-26 06:24:47,939 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-26 06:24:47,939 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-26 06:24:47,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:24:47 BoogieIcfgContainer [2024-10-26 06:24:47,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-26 06:24:47,942 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-26 06:24:47,942 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-26 06:24:47,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-26 06:24:47,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 06:24:11" (1/3) ... [2024-10-26 06:24:47,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db275d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 06:24:47, skipping insertion in model container [2024-10-26 06:24:47,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:24:12" (2/3) ... [2024-10-26 06:24:47,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db275d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 06:24:47, skipping insertion in model container [2024-10-26 06:24:47,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:24:47" (3/3) ... [2024-10-26 06:24:47,952 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2024-10-26 06:24:47,974 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-26 06:24:47,974 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2024-10-26 06:24:47,974 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-26 06:24:48,356 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-26 06:24:48,406 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 06:24:48,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-26 06:24:48,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 06:24:48,409 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-26 06:24:48,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-26 06:24:48,463 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-26 06:24:48,476 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ======== [2024-10-26 06:24:48,484 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@651db678, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 06:24:48,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2024-10-26 06:24:48,888 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:24:48,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:24:48,895 INFO L85 PathProgramCache]: Analyzing trace with hash 666827080, now seen corresponding path program 1 times [2024-10-26 06:24:48,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:24:48,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828160077] [2024-10-26 06:24:48,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:24:48,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:24:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:24:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:24:49,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:24:49,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828160077] [2024-10-26 06:24:49,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828160077] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:24:49,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:24:49,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 06:24:49,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896161749] [2024-10-26 06:24:49,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:24:49,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 06:24:49,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:24:49,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 06:24:49,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 06:24:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:24:49,667 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:24:49,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:24:49,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:24:49,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:49,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-26 06:24:49,924 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:24:49,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:24:49,925 INFO L85 PathProgramCache]: Analyzing trace with hash 666827081, now seen corresponding path program 1 times [2024-10-26 06:24:49,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:24:49,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897390852] [2024-10-26 06:24:49,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:24:49,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:24:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:24:54,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:24:54,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:24:54,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897390852] [2024-10-26 06:24:54,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897390852] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:24:54,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:24:54,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-26 06:24:54,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043696733] [2024-10-26 06:24:54,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:24:54,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-26 06:24:54,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:24:54,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-26 06:24:54,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-26 06:24:54,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:24:54,108 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:24:54,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:24:54,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:54,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:24:54,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:54,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:24:54,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-26 06:24:54,945 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err40ASSERT_VIOLATIONMEMORY_LEAK === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:24:54,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:24:54,946 INFO L85 PathProgramCache]: Analyzing trace with hash -52145603, now seen corresponding path program 1 times [2024-10-26 06:24:54,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:24:54,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858517720] [2024-10-26 06:24:54,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:24:54,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:24:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:24:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:24:55,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:24:55,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858517720] [2024-10-26 06:24:55,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858517720] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:24:55,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:24:55,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-26 06:24:55,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208187138] [2024-10-26 06:24:55,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:24:55,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 06:24:55,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:24:55,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 06:24:55,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 06:24:55,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:24:55,289 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:24:55,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:24:55,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:55,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:24:55,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:24:55,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:55,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:24:55,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:55,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-26 06:24:55,538 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:24:55,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:24:55,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1537482824, now seen corresponding path program 1 times [2024-10-26 06:24:55,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:24:55,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627530397] [2024-10-26 06:24:55,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:24:55,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:24:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:24:55,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:24:55,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:24:55,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627530397] [2024-10-26 06:24:55,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627530397] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:24:55,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:24:55,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-26 06:24:55,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665911224] [2024-10-26 06:24:55,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:24:55,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 06:24:55,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:24:55,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 06:24:55,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 06:24:55,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:24:55,926 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:24:55,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:24:55,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:55,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:24:55,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:55,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:24:56,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:56,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:24:56,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:56,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:56,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-26 06:24:56,156 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:24:56,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:24:56,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1537482823, now seen corresponding path program 1 times [2024-10-26 06:24:56,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:24:56,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442984451] [2024-10-26 06:24:56,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:24:56,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:24:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:24:56,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:24:56,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:24:56,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442984451] [2024-10-26 06:24:56,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442984451] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:24:56,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:24:56,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-26 06:24:56,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257544571] [2024-10-26 06:24:56,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:24:56,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 06:24:56,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:24:56,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 06:24:56,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 06:24:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:24:56,682 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:24:56,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:24:56,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:56,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:24:56,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:56,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:56,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:24:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:24:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:57,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:57,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-26 06:24:57,410 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:24:57,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:24:57,410 INFO L85 PathProgramCache]: Analyzing trace with hash -52112896, now seen corresponding path program 1 times [2024-10-26 06:24:57,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:24:57,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032879079] [2024-10-26 06:24:57,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:24:57,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:24:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:24:57,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:24:57,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:24:57,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032879079] [2024-10-26 06:24:57,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032879079] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:24:57,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:24:57,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 06:24:57,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778978070] [2024-10-26 06:24:57,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:24:57,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 06:24:57,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:24:57,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 06:24:57,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 06:24:57,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:24:57,678 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:24:57,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:24:57,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:57,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:24:57,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:57,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:57,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:57,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:24:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:24:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:58,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:58,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-26 06:24:58,224 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:24:58,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:24:58,225 INFO L85 PathProgramCache]: Analyzing trace with hash -52112895, now seen corresponding path program 1 times [2024-10-26 06:24:58,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:24:58,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842318713] [2024-10-26 06:24:58,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:24:58,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:24:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:24:58,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:24:58,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:24:58,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842318713] [2024-10-26 06:24:58,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842318713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:24:58,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:24:58,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-26 06:24:58,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806421587] [2024-10-26 06:24:58,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:24:58,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-26 06:24:58,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:24:58,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-26 06:24:58,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-26 06:24:58,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:24:58,968 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:24:58,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:24:58,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:58,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:24:58,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:58,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:58,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:58,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:58,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:24:59,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:24:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:24:59,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:24:59,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-26 06:24:59,512 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err40ASSERT_VIOLATIONMEMORY_LEAK === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:24:59,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:24:59,515 INFO L85 PathProgramCache]: Analyzing trace with hash -2118830185, now seen corresponding path program 1 times [2024-10-26 06:24:59,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:24:59,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801750878] [2024-10-26 06:24:59,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:24:59,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:24:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:01,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:25:01,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:25:01,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801750878] [2024-10-26 06:25:01,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801750878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:25:01,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:25:01,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-26 06:25:01,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815155665] [2024-10-26 06:25:01,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:25:01,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-26 06:25:01,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:25:01,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-26 06:25:01,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-26 06:25:01,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:01,736 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:25:01,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:25:01,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:01,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:01,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:01,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:01,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:01,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:02,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:02,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-26 06:25:02,225 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err40ASSERT_VIOLATIONMEMORY_LEAK === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:25:02,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:25:02,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1353576422, now seen corresponding path program 1 times [2024-10-26 06:25:02,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:25:02,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150914968] [2024-10-26 06:25:02,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:25:02,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:25:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:06,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:25:06,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:25:06,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150914968] [2024-10-26 06:25:06,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150914968] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:25:06,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:25:06,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-26 06:25:06,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378830352] [2024-10-26 06:25:06,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:25:06,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-26 06:25:06,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:25:06,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-26 06:25:06,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-10-26 06:25:06,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:06,672 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:25:06,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 13 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:25:06,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:06,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:06,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:06,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:06,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:06,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:06,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:06,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:06,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:07,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:07,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:07,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:07,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:07,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:07,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-26 06:25:07,864 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:25:07,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:25:07,865 INFO L85 PathProgramCache]: Analyzing trace with hash 813978858, now seen corresponding path program 1 times [2024-10-26 06:25:07,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:25:07,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925771053] [2024-10-26 06:25:07,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:25:07,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:25:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:25:11,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:25:11,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925771053] [2024-10-26 06:25:11,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925771053] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:25:11,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:25:11,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-26 06:25:11,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860100241] [2024-10-26 06:25:11,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:25:11,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-26 06:25:11,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:25:11,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-26 06:25:11,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-10-26 06:25:11,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:11,504 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:25:11,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:25:11,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:11,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:12,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:12,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:12,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-26 06:25:12,499 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err39REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:25:12,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:25:12,500 INFO L85 PathProgramCache]: Analyzing trace with hash -697319103, now seen corresponding path program 1 times [2024-10-26 06:25:12,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:25:12,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511922854] [2024-10-26 06:25:12,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:25:12,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:25:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:13,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:25:13,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:25:13,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511922854] [2024-10-26 06:25:13,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511922854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:25:13,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:25:13,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 06:25:13,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556043404] [2024-10-26 06:25:13,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:25:13,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-26 06:25:13,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:25:13,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-26 06:25:13,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-26 06:25:13,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:13,055 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:25:13,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:25:13,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:13,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:13,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:13,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:13,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:25:13,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-26 06:25:13,310 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err39REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:25:13,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:25:13,310 INFO L85 PathProgramCache]: Analyzing trace with hash -640521734, now seen corresponding path program 1 times [2024-10-26 06:25:13,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:25:13,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944054828] [2024-10-26 06:25:13,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:25:13,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:25:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:25:13,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:25:13,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944054828] [2024-10-26 06:25:13,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944054828] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:25:13,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:25:13,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-26 06:25:13,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682038373] [2024-10-26 06:25:13,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:25:13,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 06:25:13,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:25:13,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 06:25:13,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 06:25:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:13,523 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:25:13,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:25:13,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:13,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:25:13,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:14,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:14,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:25:14,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:14,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-26 06:25:14,774 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:25:14,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:25:14,775 INFO L85 PathProgramCache]: Analyzing trace with hash 906530042, now seen corresponding path program 1 times [2024-10-26 06:25:14,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:25:14,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210563681] [2024-10-26 06:25:14,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:25:14,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:25:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:15,244 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-26 06:25:15,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:25:15,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210563681] [2024-10-26 06:25:15,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210563681] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:25:15,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:25:15,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-26 06:25:15,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806250277] [2024-10-26 06:25:15,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:25:15,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 06:25:15,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:25:15,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 06:25:15,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 06:25:15,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:15,248 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:25:15,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:25:15,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:15,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:15,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:15,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:15,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:15,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:25:15,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:15,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:25:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-26 06:25:15,506 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting t1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:25:15,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:25:15,506 INFO L85 PathProgramCache]: Analyzing trace with hash -2055730591, now seen corresponding path program 1 times [2024-10-26 06:25:15,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:25:15,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701442533] [2024-10-26 06:25:15,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:25:15,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:25:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:15,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:25:15,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:25:15,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701442533] [2024-10-26 06:25:15,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701442533] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:25:15,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:25:15,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 06:25:15,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088297737] [2024-10-26 06:25:15,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:25:15,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 06:25:15,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:25:15,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 06:25:15,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 06:25:15,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:15,847 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:25:15,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:25:15,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:15,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:15,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:15,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:15,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:15,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:25:15,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:15,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:16,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:16,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:16,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:16,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:16,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:16,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:16,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:16,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:16,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:16,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:16,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:25:16,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:16,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:16,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:16,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-26 06:25:16,123 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:25:16,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:25:16,124 INFO L85 PathProgramCache]: Analyzing trace with hash -761115681, now seen corresponding path program 1 times [2024-10-26 06:25:16,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:25:16,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704620346] [2024-10-26 06:25:16,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:25:16,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:25:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:25:18,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:25:18,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704620346] [2024-10-26 06:25:18,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704620346] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 06:25:18,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920713633] [2024-10-26 06:25:18,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:25:18,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 06:25:18,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 06:25:19,006 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 06:25:19,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-26 06:25:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:19,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 3700 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-10-26 06:25:19,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 06:25:19,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2024-10-26 06:25:19,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:25:19,966 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 [2024-10-26 06:25:20,136 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 23 treesize of output 11 [2024-10-26 06:25:20,176 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 23 treesize of output 11 [2024-10-26 06:25:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:25:20,278 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 06:25:22,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:25:22,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 26 treesize of output 27 [2024-10-26 06:25:22,883 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:25:22,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2024-10-26 06:25:22,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 7 [2024-10-26 06:25:22,902 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:25:22,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 29 treesize of output 30 [2024-10-26 06:25:22,906 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:25:22,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:25:22,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-10-26 06:25:23,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:25:23,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920713633] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 06:25:23,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 06:25:23,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 22 [2024-10-26 06:25:23,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964931563] [2024-10-26 06:25:23,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 06:25:23,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-26 06:25:23,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:25:23,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-26 06:25:23,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=460, Unknown=7, NotChecked=0, Total=552 [2024-10-26 06:25:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:23,243 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:25:23,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 9.0) internal successors, (207), 23 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:25:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:23,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:23,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:23,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:25:23,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:23,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:23,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:23,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:25:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:25,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:25,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-26 06:25:26,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-26 06:25:26,084 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err39REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:25:26,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:25:26,085 INFO L85 PathProgramCache]: Analyzing trace with hash -716112724, now seen corresponding path program 1 times [2024-10-26 06:25:26,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:25:26,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638157191] [2024-10-26 06:25:26,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:25:26,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:25:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:25:26,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:25:26,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638157191] [2024-10-26 06:25:26,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638157191] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 06:25:26,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492753549] [2024-10-26 06:25:26,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:25:26,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 06:25:26,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 06:25:26,694 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 06:25:26,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-26 06:25:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:27,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 3744 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-26 06:25:27,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 06:25:27,847 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:25:27,847 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 06:25:28,197 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 06:25:28,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492753549] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 06:25:28,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 06:25:28,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 10 [2024-10-26 06:25:28,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352244666] [2024-10-26 06:25:28,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 06:25:28,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-26 06:25:28,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:25:28,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-26 06:25:28,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-10-26 06:25:28,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:28,200 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:25:28,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 20.727272727272727) internal successors, (228), 11 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:25:28,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:28,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:28,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:28,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:28,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:28,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:28,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:28,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:28,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:28,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:28,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:25:28,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:28,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:28,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:28,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:28,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:25:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:29,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:29,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:29,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-26 06:25:29,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-26 06:25:29,409 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:25:29,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:25:29,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1631260845, now seen corresponding path program 1 times [2024-10-26 06:25:29,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:25:29,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756477440] [2024-10-26 06:25:29,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:25:29,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:25:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 46 proven. 22 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-26 06:25:33,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:25:33,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756477440] [2024-10-26 06:25:33,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756477440] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 06:25:33,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305991771] [2024-10-26 06:25:33,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:25:33,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 06:25:33,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 06:25:33,828 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 06:25:33,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-26 06:25:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:34,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 3930 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-10-26 06:25:34,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 06:25:34,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 1 [2024-10-26 06:25:34,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:25:34,651 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 18 treesize of output 13 [2024-10-26 06:25:34,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:25:34,825 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 29 treesize of output 13 [2024-10-26 06:25:34,912 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:25:34,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 32 treesize of output 25 [2024-10-26 06:25:35,099 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:25:35,117 INFO L349 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2024-10-26 06:25:35,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 28 [2024-10-26 06:25:35,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:25:35,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:25:35,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2024-10-26 06:25:35,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:25:35,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 16 [2024-10-26 06:25:35,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:25:35,310 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 18 treesize of output 13 [2024-10-26 06:25:35,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 29 treesize of output 13 [2024-10-26 06:25:35,448 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 46 proven. 22 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-26 06:25:35,448 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 06:25:37,243 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:25:37,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 109 treesize of output 79 [2024-10-26 06:25:37,259 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:25:37,260 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 133 treesize of output 133 [2024-10-26 06:25:37,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 38 treesize of output 34 [2024-10-26 06:25:37,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2024-10-26 06:25:37,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 [2024-10-26 06:25:37,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:25:37,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 52 [2024-10-26 06:25:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-26 06:25:37,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305991771] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 06:25:37,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 06:25:37,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 18] total 44 [2024-10-26 06:25:37,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704648037] [2024-10-26 06:25:37,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 06:25:37,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-10-26 06:25:37,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:25:37,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-10-26 06:25:37,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=343, Invalid=1601, Unknown=36, NotChecked=0, Total=1980 [2024-10-26 06:25:37,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:37,522 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:25:37,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 6.511111111111111) internal successors, (293), 44 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:25:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:37,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:25:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:37,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:25:41,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:25:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:25:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:25:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:25:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:25:41,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:25:41,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-26 06:25:41,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-26 06:25:41,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-26 06:25:41,981 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:25:41,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:25:41,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1133487978, now seen corresponding path program 1 times [2024-10-26 06:25:41,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:25:41,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580487247] [2024-10-26 06:25:41,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:25:41,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:25:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 48 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-26 06:25:49,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:25:49,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580487247] [2024-10-26 06:25:49,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580487247] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 06:25:49,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591120016] [2024-10-26 06:25:49,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:25:49,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 06:25:49,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 06:25:49,418 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 06:25:49,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-26 06:25:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:25:50,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 3937 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-10-26 06:25:50,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 06:25:50,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 1 [2024-10-26 06:25:50,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:25:50,415 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 18 treesize of output 13 [2024-10-26 06:25:50,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:25:50,727 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 29 treesize of output 13 [2024-10-26 06:25:50,770 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 29 treesize of output 13 [2024-10-26 06:25:50,963 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:25:50,976 INFO L349 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2024-10-26 06:25:50,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 16 [2024-10-26 06:25:51,070 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 42 treesize of output 20 [2024-10-26 06:25:51,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 44 treesize of output 22 [2024-10-26 06:25:51,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:25:51,272 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 31 treesize of output 24 [2024-10-26 06:25:51,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:25:51,481 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 42 treesize of output 20 [2024-10-26 06:25:51,537 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 42 treesize of output 20 [2024-10-26 06:25:51,651 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 32 treesize of output 14 [2024-10-26 06:25:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-26 06:25:51,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 06:25:56,246 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_~#queue~0.offset| 3204))) (and (forall ((v_ArrVal_781 (Array Int Int))) (<= 0 (+ |c_~#queue~0.offset| (* 4 (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_781) |c_~#queue~0.base|) .cse0))))) (forall ((v_ArrVal_781 (Array Int Int))) (<= (+ |c_~#queue~0.offset| (* 4 (select (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_781) |c_~#queue~0.base|) .cse0)) 4) (select |c_#length| |c_~#queue~0.base|))))) is different from false [2024-10-26 06:25:56,266 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ 3204 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) (+ 1 |c_t1Thread1of1ForFork0_enqueue_#t~post41#1|)))) (.cse1 (+ |c_~#queue~0.offset| 3204))) (and (forall ((v_ArrVal_781 (Array Int Int))) (<= (+ (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_781) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (forall ((v_ArrVal_781 (Array Int Int))) (<= 0 (+ (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_781) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset|))))) is different from false [2024-10-26 06:25:56,280 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse3 (+ 3204 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1))))) (.cse1 (+ |c_~#queue~0.offset| 3204))) (and (forall ((v_ArrVal_781 (Array Int Int))) (<= 0 (+ (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_781) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset|))) (forall ((v_ArrVal_781 (Array Int Int))) (<= (+ (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_781) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))))) is different from false [2024-10-26 06:25:58,331 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse2 (+ 3204 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (let ((.cse1 (+ 3208 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse3 (+ (select .cse0 .cse2) 1)) (.cse4 (+ |c_~#queue~0.offset| 3204))) (and (forall ((v_ArrVal_781 (Array Int Int)) (v_ArrVal_777 Int)) (<= (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse0 .cse1 v_ArrVal_777) .cse2 .cse3)) |c_~#stored_elements~0.base| v_ArrVal_781) |c_~#queue~0.base|) .cse4) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (forall ((v_ArrVal_781 (Array Int Int)) (v_ArrVal_777 Int)) (<= 0 (+ (* (select (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse0 .cse1 v_ArrVal_777) .cse2 .cse3)) |c_~#stored_elements~0.base| v_ArrVal_781) |c_~#queue~0.base|) .cse4) 4) |c_~#queue~0.offset|)))))) is different from false [2024-10-26 06:26:11,057 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (+ 3208 |c_~#queue~0.offset|)) (.cse1 (+ 3200 |c_~#queue~0.offset|)) (.cse4 (+ |c_~#queue~0.offset| 3204))) (and (forall ((v_ArrVal_774 Int) (v_ArrVal_771 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_59| Int) (|t2Thread1of1ForFork1_dequeue_#t~post45#1| Int)) (let ((.cse2 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_59|) |c_~#queue~0.offset|)) (.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_771) |c_~#queue~0.base|))) (or (forall ((v_ArrVal_775 Int) (v_ArrVal_781 (Array Int Int)) (v_ArrVal_777 Int)) (<= (+ |c_~#queue~0.offset| (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (store (store (store (store .cse0 .cse1 v_ArrVal_774) .cse2 v_ArrVal_775) .cse3 v_ArrVal_777) .cse4 (+ (select (store (store (store .cse0 .cse3 (+ (- 1) |t2Thread1of1ForFork1_dequeue_#t~post45#1|)) .cse1 v_ArrVal_774) .cse2 v_ArrVal_775) .cse4) 1))) |c_~#stored_elements~0.base| v_ArrVal_781) |c_~#queue~0.base|) .cse4) 4) 4) (select |c_#length| |c_~#queue~0.base|))) (< .cse2 0) (< (select .cse0 .cse4) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_59|)))) (forall ((v_ArrVal_774 Int) (v_ArrVal_771 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_59| Int) (|t2Thread1of1ForFork1_dequeue_#t~post45#1| Int)) (let ((.cse5 (+ (* 4 |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_59|) |c_~#queue~0.offset|)) (.cse6 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_771) |c_~#queue~0.base|))) (or (< .cse5 0) (forall ((v_ArrVal_775 Int) (v_ArrVal_781 (Array Int Int)) (v_ArrVal_777 Int)) (<= 0 (+ |c_~#queue~0.offset| (* (select (select (store (store |c_#memory_int| |c_~#queue~0.base| (store (store (store (store .cse6 .cse1 v_ArrVal_774) .cse5 v_ArrVal_775) .cse3 v_ArrVal_777) .cse4 (+ (select (store (store (store .cse6 .cse3 (+ (- 1) |t2Thread1of1ForFork1_dequeue_#t~post45#1|)) .cse1 v_ArrVal_774) .cse5 v_ArrVal_775) .cse4) 1))) |c_~#stored_elements~0.base| v_ArrVal_781) |c_~#queue~0.base|) .cse4) 4)))) (< (select .cse6 .cse4) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_59|)))))) is different from false [2024-10-26 06:26:11,129 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:26:11,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 276 treesize of output 207 [2024-10-26 06:26:11,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:26:11,152 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 273 treesize of output 271 [2024-10-26 06:26:11,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 178 treesize of output 174 [2024-10-26 06:26:11,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 174 treesize of output 170 [2024-10-26 06:26:11,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 170 treesize of output 166 [2024-10-26 06:26:11,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 166 treesize of output 162 [2024-10-26 06:26:11,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 [2024-10-26 06:26:11,290 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:26:11,290 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 109 treesize of output 97 [2024-10-26 06:26:11,938 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 55 refuted. 6 times theorem prover too weak. 12 trivial. 6 not checked. [2024-10-26 06:26:11,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591120016] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 06:26:11,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 06:26:11,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 13, 18] total 52 [2024-10-26 06:26:11,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472288798] [2024-10-26 06:26:11,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 06:26:11,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-10-26 06:26:11,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:26:11,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-10-26 06:26:11,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=2039, Unknown=11, NotChecked=480, Total=2756 [2024-10-26 06:26:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:26:11,943 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:26:11,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.7924528301886795) internal successors, (307), 52 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:26:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:26:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:11,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:26:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:26:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-26 06:26:11,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:26:21,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:21,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-26 06:26:21,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-26 06:26:21,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-26 06:26:22,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-26 06:26:22,047 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t1Err22REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:26:22,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:26:22,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1245303986, now seen corresponding path program 1 times [2024-10-26 06:26:22,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:26:22,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110518585] [2024-10-26 06:26:22,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:26:22,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:26:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:26:22,578 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-10-26 06:26:22,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:26:22,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110518585] [2024-10-26 06:26:22,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110518585] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 06:26:22,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886111928] [2024-10-26 06:26:22,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:26:22,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 06:26:22,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 06:26:22,580 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 06:26:22,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-26 06:26:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:26:23,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 4311 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-26 06:26:23,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 06:26:23,904 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-10-26 06:26:23,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 06:26:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-10-26 06:26:24,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886111928] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 06:26:24,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 06:26:24,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 2, 2] total 6 [2024-10-26 06:26:24,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776326271] [2024-10-26 06:26:24,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 06:26:24,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-26 06:26:24,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:26:24,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-26 06:26:24,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-26 06:26:24,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:26:24,178 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:26:24,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 21.428571428571427) internal successors, (150), 7 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:26:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:26:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:26:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:26:24,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-10-26 06:26:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-26 06:26:24,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:26:30,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:26:30,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:26:30,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:26:30,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-26 06:26:30,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 06:26:30,467 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting t1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:26:30,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:26:30,467 INFO L85 PathProgramCache]: Analyzing trace with hash -431058281, now seen corresponding path program 2 times [2024-10-26 06:26:30,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:26:30,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014639635] [2024-10-26 06:26:30,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:26:30,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:26:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:26:30,992 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-10-26 06:26:30,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:26:30,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014639635] [2024-10-26 06:26:30,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014639635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:26:30,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:26:30,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-26 06:26:30,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420294620] [2024-10-26 06:26:30,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:26:30,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 06:26:30,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:26:30,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 06:26:30,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 06:26:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:26:30,996 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:26:30,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:26:30,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:30,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:26:30,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:30,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:26:30,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:30,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:26:30,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:30,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:30,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:30,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:26:30,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:26:30,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:26:30,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:26:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:31,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:26:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:26:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:26:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:31,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:26:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:26:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:26:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:31,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-26 06:26:31,457 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:26:31,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:26:31,458 INFO L85 PathProgramCache]: Analyzing trace with hash 875363216, now seen corresponding path program 3 times [2024-10-26 06:26:31,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:26:31,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726461737] [2024-10-26 06:26:31,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:26:31,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:26:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:26:37,445 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 162 proven. 81 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-26 06:26:37,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:26:37,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726461737] [2024-10-26 06:26:37,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726461737] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 06:26:37,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366831169] [2024-10-26 06:26:37,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-26 06:26:37,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 06:26:37,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 06:26:37,447 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 06:26:37,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-26 06:26:42,118 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-26 06:26:42,118 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 06:26:42,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 3876 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-10-26 06:26:42,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 06:26:43,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2024-10-26 06:26:43,762 INFO L349 Elim1Store]: treesize reduction 36, result has 39.0 percent of original size [2024-10-26 06:26:43,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 44 [2024-10-26 06:26:43,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2024-10-26 06:26:43,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-10-26 06:26:44,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:26:44,045 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 24 treesize of output 17 [2024-10-26 06:26:44,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2024-10-26 06:26:44,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-10-26 06:26:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 66 proven. 91 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-10-26 06:26:44,565 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 06:26:45,320 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 3200 |c_~#queue~0.offset|)) (.cse2 (+ |c_~#queue~0.offset| 3204)) (.cse3 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ 3204 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) (+ 1 |c_t1Thread1of1ForFork0_enqueue_#t~post41#1|))))) (and (forall ((v_ArrVal_1391 (Array Int Int))) (let ((.cse0 (select (store .cse3 |c_~#stored_elements~0.base| v_ArrVal_1391) |c_~#queue~0.base|))) (or (not (= 800 (select .cse0 .cse1))) (< (+ 3 (* (select .cse0 .cse2) 4) |c_~#queue~0.offset|) (select |c_#length| |c_~#queue~0.base|))))) (forall ((v_ArrVal_1391 (Array Int Int))) (let ((.cse4 (select (store .cse3 |c_~#stored_elements~0.base| v_ArrVal_1391) |c_~#queue~0.base|))) (or (not (= 800 (select .cse4 .cse1))) (< 0 (+ (* (select .cse4 .cse2) 4) |c_~#queue~0.offset| 1))))))) is different from false [2024-10-26 06:26:45,351 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 3200 |c_~#queue~0.offset|)) (.cse2 (+ |c_~#queue~0.offset| 3204)) (.cse3 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse5 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse6 (+ 3204 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (store .cse5 .cse6 (+ (select .cse5 .cse6) 1)))))) (and (forall ((v_ArrVal_1391 (Array Int Int))) (let ((.cse0 (select (store .cse3 |c_~#stored_elements~0.base| v_ArrVal_1391) |c_~#queue~0.base|))) (or (not (= (select .cse0 .cse1) 800)) (< (+ (* 4 (select .cse0 .cse2)) 3 |c_~#queue~0.offset|) (select |c_#length| |c_~#queue~0.base|))))) (forall ((v_ArrVal_1391 (Array Int Int))) (let ((.cse4 (select (store .cse3 |c_~#stored_elements~0.base| v_ArrVal_1391) |c_~#queue~0.base|))) (or (not (= (select .cse4 .cse1) 800)) (< 0 (+ (* 4 (select .cse4 .cse2)) |c_~#queue~0.offset| 1))))))) is different from false [2024-10-26 06:26:45,431 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse5 (+ 3204 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (let ((.cse2 (+ 3200 |c_~#queue~0.offset|)) (.cse1 (+ |c_~#queue~0.offset| 3204)) (.cse4 (+ 3208 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse6 (+ (select .cse3 .cse5) 1))) (and (forall ((v_ArrVal_1387 Int) (v_ArrVal_1391 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse3 .cse4 v_ArrVal_1387) .cse5 .cse6)) |c_~#stored_elements~0.base| v_ArrVal_1391) |c_~#queue~0.base|))) (or (< (+ 3 (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) (select |c_#length| |c_~#queue~0.base|)) (not (= 800 (select .cse0 .cse2)))))) (forall ((v_ArrVal_1387 Int) (v_ArrVal_1391 (Array Int Int))) (let ((.cse7 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse3 .cse4 v_ArrVal_1387) .cse5 .cse6)) |c_~#stored_elements~0.base| v_ArrVal_1391) |c_~#queue~0.base|))) (or (not (= 800 (select .cse7 .cse2))) (< 0 (+ (* (select .cse7 .cse1) 4) |c_~#queue~0.offset| 1)))))))) is different from false [2024-10-26 06:26:45,493 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 3200 |c_~#queue~0.offset|)) (.cse1 (+ |c_~#queue~0.offset| 3204)) (.cse4 (+ 3208 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse5 (+ 3204 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse6 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse7 (+ (* |c_t1Thread1of1ForFork0_enqueue_#t~mem36#1| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (and (forall ((v_ArrVal_1385 Int) (v_ArrVal_1387 Int) (v_ArrVal_1391 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse3 (store .cse6 .cse7 v_ArrVal_1385))) (store (store .cse3 .cse4 v_ArrVal_1387) .cse5 (+ (select .cse3 .cse5) 1)))) |c_~#stored_elements~0.base| v_ArrVal_1391) |c_~#queue~0.base|))) (or (< (+ (* (select .cse0 .cse1) 4) 3 |c_~#queue~0.offset|) (select |c_#length| |c_~#queue~0.base|)) (not (= (select .cse0 .cse2) 800))))) (forall ((v_ArrVal_1385 Int) (v_ArrVal_1387 Int) (v_ArrVal_1391 (Array Int Int))) (let ((.cse8 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse9 (store .cse6 .cse7 v_ArrVal_1385))) (store (store .cse9 .cse4 v_ArrVal_1387) .cse5 (+ (select .cse9 .cse5) 1)))) |c_~#stored_elements~0.base| v_ArrVal_1391) |c_~#queue~0.base|))) (or (not (= (select .cse8 .cse2) 800)) (< 0 (+ (* (select .cse8 .cse1) 4) |c_~#queue~0.offset| 1))))))) is different from false [2024-10-26 06:26:45,546 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse5 (+ 3204 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (let ((.cse1 (+ 3200 |c_~#queue~0.offset|)) (.cse2 (+ |c_~#queue~0.offset| 3204)) (.cse4 (+ 3208 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|)) (.cse7 (+ |c_t1Thread1of1ForFork0_enqueue_~q#1.offset| (* (select .cse6 .cse5) 4)))) (and (forall ((v_ArrVal_1385 Int) (v_ArrVal_1387 Int) (v_ArrVal_1391 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse3 (store .cse6 .cse7 v_ArrVal_1385))) (store (store .cse3 .cse4 v_ArrVal_1387) .cse5 (+ (select .cse3 .cse5) 1)))) |c_~#stored_elements~0.base| v_ArrVal_1391) |c_~#queue~0.base|))) (or (not (= (select .cse0 .cse1) 800)) (< (+ (* (select .cse0 .cse2) 4) 3 |c_~#queue~0.offset|) (select |c_#length| |c_~#queue~0.base|))))) (forall ((v_ArrVal_1385 Int) (v_ArrVal_1387 Int) (v_ArrVal_1391 (Array Int Int))) (let ((.cse8 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (let ((.cse9 (store .cse6 .cse7 v_ArrVal_1385))) (store (store .cse9 .cse4 v_ArrVal_1387) .cse5 (+ (select .cse9 .cse5) 1)))) |c_~#stored_elements~0.base| v_ArrVal_1391) |c_~#queue~0.base|))) (or (not (= (select .cse8 .cse1) 800)) (< 0 (+ (* (select .cse8 .cse2) 4) |c_~#queue~0.offset| 1)))))))) is different from false [2024-10-26 06:26:45,585 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| |c_~#queue~0.base|)) (.cse2 (+ |c_~#queue~0.offset| 3204))) (let ((.cse1 (+ 3200 |c_~#queue~0.offset|)) (.cse4 (+ 3208 |c_~#queue~0.offset|)) (.cse6 (+ (* (select .cse5 .cse2) 4) |c_~#queue~0.offset|))) (and (forall ((v_ArrVal_1385 Int) (v_ArrVal_1387 Int) (v_ArrVal_1391 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse3 (store .cse5 .cse6 v_ArrVal_1385))) (store (store .cse3 .cse4 v_ArrVal_1387) .cse2 (+ (select .cse3 .cse2) 1)))) |c_~#stored_elements~0.base| v_ArrVal_1391) |c_~#queue~0.base|))) (or (not (= 800 (select .cse0 .cse1))) (< (+ 3 (* (select .cse0 .cse2) 4) |c_~#queue~0.offset|) (select |c_#length| |c_~#queue~0.base|))))) (forall ((v_ArrVal_1385 Int) (v_ArrVal_1387 Int) (v_ArrVal_1391 (Array Int Int))) (let ((.cse7 (select (store (store |c_#memory_int| |c_~#queue~0.base| (let ((.cse8 (store .cse5 .cse6 v_ArrVal_1385))) (store (store .cse8 .cse4 v_ArrVal_1387) .cse2 (+ (select .cse8 .cse2) 1)))) |c_~#stored_elements~0.base| v_ArrVal_1391) |c_~#queue~0.base|))) (or (not (= 800 (select .cse7 .cse1))) (< 0 (+ (* (select .cse7 .cse2) 4) |c_~#queue~0.offset| 1)))))))) is different from false [2024-10-26 06:26:46,411 INFO L349 Elim1Store]: treesize reduction 355, result has 44.4 percent of original size [2024-10-26 06:26:46,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 512 treesize of output 552 [2024-10-26 06:26:46,536 INFO L349 Elim1Store]: treesize reduction 37, result has 17.8 percent of original size [2024-10-26 06:26:46,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 251 treesize of output 245 [2024-10-26 06:26:46,604 INFO L349 Elim1Store]: treesize reduction 40, result has 16.7 percent of original size [2024-10-26 06:26:46,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 356 treesize of output 340 [2024-10-26 06:26:46,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 138 [2024-10-26 06:26:46,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 4 [2024-10-26 06:26:46,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 4 [2024-10-26 06:26:47,034 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:26:47,034 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 85 treesize of output 83 [2024-10-26 06:26:47,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:26:47,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 123 treesize of output 137 [2024-10-26 06:26:47,335 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-10-26 06:26:47,336 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 57 treesize of output 57 [2024-10-26 06:26:47,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 4 [2024-10-26 06:26:47,391 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:26:47,400 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:26:47,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2024-10-26 06:26:47,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 4 [2024-10-26 06:26:47,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 4 [2024-10-26 06:26:47,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:26:47,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:26:47,453 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 11 treesize of output 9 [2024-10-26 06:26:47,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:26:47,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:26:47,480 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 11 treesize of output 9 [2024-10-26 06:26:47,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:26:47,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:26:47,501 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 11 treesize of output 9 [2024-10-26 06:26:47,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:26:47,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 241 treesize of output 207 [2024-10-26 06:26:47,935 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:26:47,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 111 treesize of output 109 [2024-10-26 06:26:48,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:26:48,141 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:26:48,142 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:26:48,353 INFO L349 Elim1Store]: treesize reduction 162, result has 54.4 percent of original size [2024-10-26 06:26:48,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 486 treesize of output 436 [2024-10-26 06:26:48,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:26:48,382 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:26:48,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:26:48,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:26:48,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 153 [2024-10-26 06:26:48,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:26:48,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:26:48,427 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 87 [2024-10-26 06:26:48,459 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:26:48,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 130 treesize of output 139 [2024-10-26 06:26:48,471 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:26:48,472 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:26:48,482 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:26:48,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 190 treesize of output 144 [2024-10-26 06:26:48,507 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:26:48,507 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 71 treesize of output 69 [2024-10-26 06:26:48,519 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:26:48,520 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:26:48,534 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:26:48,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 134 treesize of output 124 [2024-10-26 06:26:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 115 trivial. 57 not checked. [2024-10-26 06:26:49,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366831169] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 06:26:49,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 06:26:49,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 17] total 52 [2024-10-26 06:26:49,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679769732] [2024-10-26 06:26:49,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 06:26:49,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-10-26 06:26:49,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:26:49,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-10-26 06:26:49,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=1911, Unknown=13, NotChecked=570, Total=2756 [2024-10-26 06:26:49,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:26:49,700 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:26:49,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 7.622641509433962) internal successors, (404), 52 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:26:49,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:49,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:49,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:49,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:49,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:26:49,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:49,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:26:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:26:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:26:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:26:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:26:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:26:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:26:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:26:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:26:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:26:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-10-26 06:26:59,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-26 06:26:59,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-26 06:26:59,682 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting t1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:26:59,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:26:59,683 INFO L85 PathProgramCache]: Analyzing trace with hash 51475053, now seen corresponding path program 4 times [2024-10-26 06:26:59,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:26:59,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482969150] [2024-10-26 06:26:59,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:26:59,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:27:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:27:08,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 595 proven. 126 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-10-26 06:27:08,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:27:08,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482969150] [2024-10-26 06:27:08,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482969150] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 06:27:08,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428888275] [2024-10-26 06:27:08,719 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-26 06:27:08,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 06:27:08,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 06:27:08,720 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 06:27:08,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-26 06:27:10,676 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-26 06:27:10,676 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 06:27:10,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 5091 conjuncts, 112 conjuncts are in the unsatisfiable core [2024-10-26 06:27:10,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 06:27:11,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 19 treesize of output 1 [2024-10-26 06:27:11,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:27:11,336 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 18 treesize of output 13 [2024-10-26 06:27:11,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:27:11,442 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 29 treesize of output 13 [2024-10-26 06:27:11,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 22 [2024-10-26 06:27:11,649 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:27:11,670 INFO L349 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2024-10-26 06:27:11,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 28 [2024-10-26 06:27:11,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:27:11,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:27:11,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2024-10-26 06:27:11,814 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:27:11,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 27 [2024-10-26 06:27:11,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:27:11,856 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 27 treesize of output 20 [2024-10-26 06:27:12,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:27:12,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:27:12,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2024-10-26 06:27:12,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:27:12,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 32 treesize of output 25 [2024-10-26 06:27:12,287 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:27:12,307 INFO L349 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2024-10-26 06:27:12,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 28 [2024-10-26 06:27:12,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:27:12,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:27:12,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2024-10-26 06:27:12,418 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:27:12,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 38 treesize of output 16 [2024-10-26 06:27:12,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:27:12,456 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 18 treesize of output 13 [2024-10-26 06:27:12,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:27:12,549 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 29 treesize of output 13 [2024-10-26 06:27:12,558 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 9 treesize of output 3 [2024-10-26 06:27:12,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 721 proven. 112 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2024-10-26 06:27:12,581 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 06:27:14,893 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1787 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_115| Int) (v_ArrVal_1791 Int) (v_ArrVal_1797 (Array Int Int)) (v_ArrVal_1793 Int) (v_ArrVal_1784 Int) (v_ArrVal_1795 Int) (v_ArrVal_1786 Int)) (let ((.cse4 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse5 (+ 3204 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse4 (+ 3208 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_1784) .cse5 v_ArrVal_1786)))) (let ((.cse1 (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_1787) |c_~#queue~0.base|)) (.cse3 (+ |c_~#queue~0.offset| 3204))) (or (not (= 800 (let ((.cse2 (+ 3200 |c_~#queue~0.offset|))) (select (select (store (store .cse0 |c_~#queue~0.base| (store (store (store (store .cse1 .cse2 (+ 1 (select .cse1 .cse2))) (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_115| 4) |c_~#queue~0.offset|) v_ArrVal_1791) (+ 3208 |c_~#queue~0.offset|) v_ArrVal_1793) .cse3 v_ArrVal_1795)) |c_~#stored_elements~0.base| v_ArrVal_1797) |c_~#queue~0.base|) .cse2)))) (< (select .cse1 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_115|) (< (+ (select .cse4 .cse5) 1) v_ArrVal_1786)))))) is different from false [2024-10-26 06:27:14,942 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1781 Int) (v_ArrVal_1787 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_115| Int) (v_ArrVal_1791 Int) (v_ArrVal_1797 (Array Int Int)) (v_ArrVal_1793 Int) (v_ArrVal_1784 Int) (v_ArrVal_1795 Int) (v_ArrVal_1786 Int)) (let ((.cse0 (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ (* |c_t1Thread1of1ForFork0_enqueue_#t~mem36#1| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_1781)) (.cse1 (+ 3204 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (let ((.cse4 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse0 (+ 3208 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_1784) .cse1 v_ArrVal_1786)))) (let ((.cse2 (select (store .cse4 |c_~#stored_elements~0.base| v_ArrVal_1787) |c_~#queue~0.base|)) (.cse3 (+ |c_~#queue~0.offset| 3204))) (or (< (+ (select .cse0 .cse1) 1) v_ArrVal_1786) (< (select .cse2 .cse3) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_115|) (not (= 800 (let ((.cse5 (+ 3200 |c_~#queue~0.offset|))) (select (select (store (store .cse4 |c_~#queue~0.base| (store (store (store (store .cse2 .cse5 (+ (select .cse2 .cse5) 1)) (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_115| 4) |c_~#queue~0.offset|) v_ArrVal_1791) (+ 3208 |c_~#queue~0.offset|) v_ArrVal_1793) .cse3 v_ArrVal_1795)) |c_~#stored_elements~0.base| v_ArrVal_1797) |c_~#queue~0.base|) .cse5))))))))) is different from false [2024-10-26 06:27:14,972 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_118| Int)) (let ((.cse6 (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|)) (.cse5 (+ 3204 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|))) (or (forall ((v_ArrVal_1781 Int) (v_ArrVal_1787 (Array Int Int)) (|v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_115| Int) (v_ArrVal_1791 Int) (v_ArrVal_1797 (Array Int Int)) (v_ArrVal_1793 Int) (v_ArrVal_1784 Int) (v_ArrVal_1795 Int) (v_ArrVal_1786 Int)) (let ((.cse4 (store .cse6 (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_118| 4) |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_1781))) (let ((.cse2 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (store .cse4 (+ 3208 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) v_ArrVal_1784) .cse5 v_ArrVal_1786)))) (let ((.cse0 (select (store .cse2 |c_~#stored_elements~0.base| v_ArrVal_1787) |c_~#queue~0.base|)) (.cse1 (+ |c_~#queue~0.offset| 3204))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_115|) (not (= 800 (let ((.cse3 (+ 3200 |c_~#queue~0.offset|))) (select (select (store (store .cse2 |c_~#queue~0.base| (store (store (store (store .cse0 .cse3 (+ (select .cse0 .cse3) 1)) (+ (* |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_115| 4) |c_~#queue~0.offset|) v_ArrVal_1791) (+ 3208 |c_~#queue~0.offset|) v_ArrVal_1793) .cse1 v_ArrVal_1795)) |c_~#stored_elements~0.base| v_ArrVal_1797) |c_~#queue~0.base|) .cse3)))) (< (+ (select .cse4 .cse5) 1) v_ArrVal_1786)))))) (< (select .cse6 .cse5) |v_t1Thread1of1ForFork0_enqueue_#t~mem36#1_118|)))) is different from false [2024-10-26 06:27:42,185 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:27:42,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 292 treesize of output 212 [2024-10-26 06:27:42,250 INFO L349 Elim1Store]: treesize reduction 32, result has 60.0 percent of original size [2024-10-26 06:27:42,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 397 treesize of output 357 [2024-10-26 06:27:42,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 [2024-10-26 06:27:42,285 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:27:42,286 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 195 treesize of output 185 [2024-10-26 06:27:42,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 40 [2024-10-26 06:27:42,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 9 [2024-10-26 06:27:42,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 [2024-10-26 06:27:42,364 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:27:42,365 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 41 treesize of output 41 [2024-10-26 06:27:42,397 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:27:42,399 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-26 06:27:42,409 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:27:42,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 130 treesize of output 112 [2024-10-26 06:27:42,418 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:27:42,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:27:42,424 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:27:42,424 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:27:42,425 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:27:42,427 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-26 06:27:42,452 INFO L349 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2024-10-26 06:27:42,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 1 [2024-10-26 06:27:54,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 668 proven. 116 refuted. 29 times theorem prover too weak. 207 trivial. 20 not checked. [2024-10-26 06:27:54,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428888275] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 06:27:54,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 06:27:54,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 27] total 66 [2024-10-26 06:27:54,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091420190] [2024-10-26 06:27:54,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 06:27:54,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-10-26 06:27:54,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:27:54,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-10-26 06:27:54,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=494, Invalid=3464, Unknown=86, NotChecked=378, Total=4422 [2024-10-26 06:27:54,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:27:54,883 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:27:54,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 7.522388059701493) internal successors, (504), 66 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:27:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:27:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:27:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:27:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:27:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:27:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:27:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:27:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:27:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:27:54,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:27:54,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:27:54,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:27:54,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:27:54,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:27:54,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:27:54,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:27:54,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:27:54,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:27:54,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:27:54,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:27:54,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-10-26 06:27:54,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:28:36,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:28:36,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:28:36,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:28:36,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:28:36,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:28:36,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:28:36,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-10-26 06:28:36,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-10-26 06:28:36,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-26 06:28:37,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 06:28:37,004 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting t1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:28:37,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:28:37,004 INFO L85 PathProgramCache]: Analyzing trace with hash 270840848, now seen corresponding path program 5 times [2024-10-26 06:28:37,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:28:37,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895434174] [2024-10-26 06:28:37,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:28:37,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:28:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:28:46,837 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 336 proven. 73 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-10-26 06:28:46,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:28:46,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895434174] [2024-10-26 06:28:46,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895434174] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 06:28:46,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173541674] [2024-10-26 06:28:46,838 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-26 06:28:46,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 06:28:46,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 06:28:46,839 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 06:28:46,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-26 06:28:54,962 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-10-26 06:28:54,963 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-26 06:28:54,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 4725 conjuncts, 138 conjuncts are in the unsatisfiable core [2024-10-26 06:28:55,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 06:28:55,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:55,051 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 [2024-10-26 06:28:55,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:55,064 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 [2024-10-26 06:28:55,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:55,080 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 [2024-10-26 06:28:55,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:55,234 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 [2024-10-26 06:28:55,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:55,269 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 [2024-10-26 06:28:55,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:55,345 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 [2024-10-26 06:28:55,384 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 23 treesize of output 11 [2024-10-26 06:28:55,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:55,609 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 [2024-10-26 06:28:55,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:55,636 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 [2024-10-26 06:28:55,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:55,694 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 [2024-10-26 06:28:55,720 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 23 treesize of output 11 [2024-10-26 06:28:56,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:56,223 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 [2024-10-26 06:28:56,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:56,299 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 [2024-10-26 06:28:56,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:56,513 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 [2024-10-26 06:28:56,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:56,550 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 [2024-10-26 06:28:56,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:56,619 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 [2024-10-26 06:28:56,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:56,657 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 31 treesize of output 11 [2024-10-26 06:28:56,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:56,960 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 [2024-10-26 06:28:57,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:57,028 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 [2024-10-26 06:28:57,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:57,258 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 [2024-10-26 06:28:57,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:57,309 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 [2024-10-26 06:28:57,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:57,356 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 23 treesize of output 11 [2024-10-26 06:28:57,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:57,397 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 31 treesize of output 11 [2024-10-26 06:28:57,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:57,795 INFO L349 Elim1Store]: treesize reduction 25, result has 30.6 percent of original size [2024-10-26 06:28:57,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 37 [2024-10-26 06:28:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:28:58,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-10-26 06:28:58,310 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 376 proven. 108 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-10-26 06:28:58,310 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 06:28:59,257 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:28:59,258 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 72 [2024-10-26 06:28:59,425 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_~#queue~0.base| v_arrayElimArr_16))) (let ((.cse1 (store (select .cse0 |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4 (* |c_t1Thread1of1ForFork0_~i~0#1| 4)) v_ArrVal_2124))) (or (not (= 800 (select (select (store .cse0 |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)))) (= (select (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ (* 4 |c_t2Thread1of1ForFork1_~i~1#1|) |c_~#stored_elements~0.offset| 4)) 0))))) is different from false [2024-10-26 06:28:59,508 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2119 (Array Int Int)) (v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_t2Thread1of1ForFork1_dequeue_~q#1.base| v_ArrVal_2119))) (let ((.cse0 (store .cse2 |c_~#queue~0.base| v_arrayElimArr_16))) (let ((.cse1 (store (select .cse0 |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4 (* |c_t1Thread1of1ForFork0_~i~0#1| 4)) v_ArrVal_2124))) (or (not (= (select (select (store .cse0 |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)) 800)) (= (select (select (store (store .cse2 |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ (* 4 |c_t2Thread1of1ForFork1_~i~1#1|) |c_~#stored_elements~0.offset| 4)) 0)))))) is different from false [2024-10-26 06:28:59,612 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_~#queue~0.base| v_arrayElimArr_16))) (let ((.cse0 (store (select .cse1 |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4 (* |c_t1Thread1of1ForFork0_~i~0#1| 4)) v_ArrVal_2124))) (or (= (select (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ (* 4 |c_t2Thread1of1ForFork1_~i~1#1|) |c_~#stored_elements~0.offset| 8)) 0) (not (= 800 (select (select (store .cse1 |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)))))))) is different from false [2024-10-26 06:28:59,638 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_~i~0#1_81| Int)) (or (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |c_t1Thread1of1ForFork0_~i~0#1| 1)) (forall ((v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_~#queue~0.base| v_arrayElimArr_16))) (let ((.cse1 (store (select .cse0 |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (not (= 800 (select (select (store .cse0 |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)))) (= (select (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ (* 4 |c_t2Thread1of1ForFork1_~i~1#1|) |c_~#stored_elements~0.offset| 8)) 0))))))) is different from false [2024-10-26 06:28:59,668 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int)) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4 (* |c_t1Thread1of1ForFork0_~i~0#1| 4)) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (not (= 800 (select (select (store (store |c_#memory_int| |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)))) (= (select (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ (* 4 |c_t2Thread1of1ForFork1_~i~1#1|) |c_~#stored_elements~0.offset| 8)) 0) (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |c_t1Thread1of1ForFork0_~i~0#1| 1))))) is different from false [2024-10-26 06:28:59,702 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int)) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| v_ArrVal_2115))) (let ((.cse1 (store (select (store (store .cse0 |c_~#stored_elements~0.base| (store (select .cse0 |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4 (* |c_t1Thread1of1ForFork0_~i~0#1| 4)) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (= (select (select (store (store .cse0 |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ (* 4 |c_t2Thread1of1ForFork1_~i~1#1|) |c_~#stored_elements~0.offset| 8)) 0) (not (= 800 (select (select (store (store .cse0 |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)))) (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |c_t1Thread1of1ForFork0_~i~0#1| 1)))))) is different from false [2024-10-26 06:28:59,836 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int)) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select (store |c_#memory_int| |c_~#queue~0.base| v_ArrVal_2115) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4 (* |c_t1Thread1of1ForFork0_~i~0#1| 4)) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (= 0 (select (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ (* 4 |c_t2Thread1of1ForFork1_~i~1#1|) |c_~#stored_elements~0.offset| 8))) (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |c_t1Thread1of1ForFork0_~i~0#1| 1)) (not (= (select (select (store (store |c_#memory_int| |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)) 800))))) is different from false [2024-10-26 06:28:59,996 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int)) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (v_ArrVal_2112 (Array Int Int)) (v_ArrVal_2117 Int)) (let ((.cse0 (store |c_#memory_int| |c_t2Thread1of1ForFork1_dequeue_~q#1.base| v_ArrVal_2112))) (let ((.cse1 (store (select (store (store .cse0 |c_~#stored_elements~0.base| (store (select (store .cse0 |c_~#queue~0.base| v_ArrVal_2115) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4 (* |c_t1Thread1of1ForFork0_~i~0#1| 4)) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |c_t1Thread1of1ForFork0_~i~0#1| 1)) (not (= (select (select (store (store .cse0 |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)) 800)) (= (select (select (store (store .cse0 |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ (* 4 |c_t2Thread1of1ForFork1_~i~1#1|) |c_~#stored_elements~0.offset| 8)) 0))))) is different from false [2024-10-26 06:29:00,172 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int)) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select (store |c_#memory_int| |c_~#queue~0.base| v_ArrVal_2115) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4 (* |c_t1Thread1of1ForFork0_~i~0#1| 4)) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (= (select (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 8)) 0) (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |c_t1Thread1of1ForFork0_~i~0#1| 1)) (not (= (select (select (store (store |c_#memory_int| |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)) 800))))) is different from false [2024-10-26 06:29:00,279 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork0_~i~0#1_82| Int)) (or (forall ((v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int)) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select (store |c_#memory_int| |c_~#queue~0.base| v_ArrVal_2115) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_82| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |v_t1Thread1of1ForFork0_~i~0#1_82| 1)) (= (select (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 8)) 0) (not (= (select (select (store (store |c_#memory_int| |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)) 800))))) (< |v_t1Thread1of1ForFork0_~i~0#1_82| (+ |c_t1Thread1of1ForFork0_~i~0#1| 1)))) is different from false [2024-10-26 06:29:00,431 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int)) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (|v_t1Thread1of1ForFork0_~i~0#1_82| Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select (store |c_#memory_int| |c_~#queue~0.base| v_ArrVal_2115) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_82| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (< |v_t1Thread1of1ForFork0_~i~0#1_82| (+ 2 |c_t1Thread1of1ForFork0_~i~0#1|)) (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |v_t1Thread1of1ForFork0_~i~0#1_82| 1)) (= (select (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 8)) 0) (not (= (select (select (store (store |c_#memory_int| |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)) 800))))) is different from false [2024-10-26 06:29:00,588 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int)) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (|v_t1Thread1of1ForFork0_~i~0#1_82| Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select (store |c_#memory_int| |c_~#queue~0.base| v_ArrVal_2115) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_82| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (< |v_t1Thread1of1ForFork0_~i~0#1_82| (+ |c_t1Thread1of1ForFork0_~i~0#1| 3)) (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |v_t1Thread1of1ForFork0_~i~0#1_82| 1)) (= (select (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 8)) 0) (not (= (select (select (store (store |c_#memory_int| |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)) 800))))) is different from false [2024-10-26 06:29:00,640 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2110 Int) (v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int)) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (|v_t1Thread1of1ForFork0_~i~0#1_82| Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4 (* |c_t1Thread1of1ForFork0_~i~0#1| 4)) v_ArrVal_2110)) |c_~#queue~0.base| v_ArrVal_2115) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_82| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (not (= 800 (select (select (store (store |c_#memory_int| |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)))) (< |v_t1Thread1of1ForFork0_~i~0#1_82| (+ |c_t1Thread1of1ForFork0_~i~0#1| 3)) (= (select (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 8)) 0) (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |v_t1Thread1of1ForFork0_~i~0#1_82| 1))))) is different from false [2024-10-26 06:29:00,694 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2108 (Array Int Int)) (v_ArrVal_2110 Int) (v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int)) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (|v_t1Thread1of1ForFork0_~i~0#1_82| Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| v_ArrVal_2108))) (let ((.cse1 (store (select (store (store .cse0 |c_~#stored_elements~0.base| (store (select (store (store .cse0 |c_~#stored_elements~0.base| (store (select .cse0 |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4 (* |c_t1Thread1of1ForFork0_~i~0#1| 4)) v_ArrVal_2110)) |c_~#queue~0.base| v_ArrVal_2115) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_82| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (< |v_t1Thread1of1ForFork0_~i~0#1_82| (+ |c_t1Thread1of1ForFork0_~i~0#1| 3)) (= (select (select (store (store .cse0 |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 8)) 0) (not (= 800 (select (select (store (store .cse0 |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)))) (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |v_t1Thread1of1ForFork0_~i~0#1_82| 1)))))) is different from false [2024-10-26 06:29:00,887 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2108 (Array Int Int)) (v_ArrVal_2110 Int) (v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int)) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (|v_t1Thread1of1ForFork0_~i~0#1_82| Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select (store |c_#memory_int| |c_~#queue~0.base| v_ArrVal_2108) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4 (* |c_t1Thread1of1ForFork0_~i~0#1| 4)) v_ArrVal_2110)) |c_~#queue~0.base| v_ArrVal_2115) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_82| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (not (= (select (select (store (store |c_#memory_int| |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)) 800)) (= (select (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 8)) 0) (< |v_t1Thread1of1ForFork0_~i~0#1_82| (+ |c_t1Thread1of1ForFork0_~i~0#1| 3)) (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |v_t1Thread1of1ForFork0_~i~0#1_82| 1))))) is different from false [2024-10-26 06:29:01,012 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2108 (Array Int Int)) (v_ArrVal_2110 Int) (v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int)) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (|v_t1Thread1of1ForFork0_~i~0#1_82| Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select (store |c_#memory_int| |c_~#queue~0.base| v_ArrVal_2108) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4) v_ArrVal_2110)) |c_~#queue~0.base| v_ArrVal_2115) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_82| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (= (select (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 8)) 0) (not (= 800 (select (select (store (store |c_#memory_int| |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)))) (< |v_t1Thread1of1ForFork0_~i~0#1_82| 3) (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |v_t1Thread1of1ForFork0_~i~0#1_82| 1))))) is different from false [2024-10-26 06:29:01,148 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2108 (Array Int Int)) (v_ArrVal_2110 Int) (v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int)) (|t1Thread1of1ForFork0_~value~0#1| Int) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (|v_t1Thread1of1ForFork0_~i~0#1_82| Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| (store (select |c_#memory_int| |c_~#stored_elements~0.base|) |c_~#stored_elements~0.offset| |t1Thread1of1ForFork0_~value~0#1|)) |c_~#queue~0.base| v_ArrVal_2108) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4) v_ArrVal_2110)) |c_~#queue~0.base| v_ArrVal_2115) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_82| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (= (select (select (store (store |c_#memory_int| |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 8)) 0) (not (= (select (select (store (store |c_#memory_int| |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse0) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)) 800)) (< |v_t1Thread1of1ForFork0_~i~0#1_82| 3) (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |v_t1Thread1of1ForFork0_~i~0#1_82| 1))))) is different from false [2024-10-26 06:29:01,265 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2108 (Array Int Int)) (v_ArrVal_2110 Int) (v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2104 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_ArrVal_2124 Int) (v_arrayElimArr_16 (Array Int Int)) (|t1Thread1of1ForFork0_~value~0#1| Int) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (|v_t1Thread1of1ForFork0_~i~0#1_82| Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| v_ArrVal_2104))) (let ((.cse1 (store (select (store (store .cse0 |c_~#stored_elements~0.base| (store (select (store (store .cse0 |c_~#stored_elements~0.base| (store (select (store (store .cse0 |c_~#stored_elements~0.base| (store (select .cse0 |c_~#stored_elements~0.base|) |c_~#stored_elements~0.offset| |t1Thread1of1ForFork0_~value~0#1|)) |c_~#queue~0.base| v_ArrVal_2108) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4) v_ArrVal_2110)) |c_~#queue~0.base| v_ArrVal_2115) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_82| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (= (select (select (store (store .cse0 |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 8)) 0) (< |v_t1Thread1of1ForFork0_~i~0#1_82| 3) (not (= 800 (select (select (store (store .cse0 |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)))) (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |v_t1Thread1of1ForFork0_~i~0#1_82| 1)))))) is different from false [2024-10-26 06:29:01,492 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2108 (Array Int Int)) (v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2104 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_arrayElimArr_16 (Array Int Int)) (|t1Thread1of1ForFork0_~value~0#1| Int) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (|v_t1Thread1of1ForFork0_~i~0#1_82| Int) (|v_t1Thread1of1ForFork0_enqueue_~q#1.base_194| Int) (v_ArrVal_2110 Int) (v_ArrVal_2124 Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store |c_#memory_int| |v_t1Thread1of1ForFork0_enqueue_~q#1.base_194| v_ArrVal_2104))) (let ((.cse1 (store (select (store (store .cse0 |c_~#stored_elements~0.base| (store (select (store (store .cse0 |c_~#stored_elements~0.base| (store (select (store (store .cse0 |c_~#stored_elements~0.base| (store (select .cse0 |c_~#stored_elements~0.base|) |c_~#stored_elements~0.offset| |t1Thread1of1ForFork0_~value~0#1|)) |c_~#queue~0.base| v_ArrVal_2108) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4) v_ArrVal_2110)) |c_~#queue~0.base| v_ArrVal_2115) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_82| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (not (= (select (select (store (store .cse0 |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)) 800)) (= (select (select (store (store .cse0 |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 8)) 0) (< |v_t1Thread1of1ForFork0_~i~0#1_82| 3) (< |v_t1Thread1of1ForFork0_enqueue_~q#1.base_194| |c_~#queue~0.base|) (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |v_t1Thread1of1ForFork0_~i~0#1_82| 1)))))) is different from false [2024-10-26 06:29:01,867 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2108 (Array Int Int)) (v_ArrVal_2127 (Array Int Int)) (v_ArrVal_2104 (Array Int Int)) (v_ArrVal_2115 (Array Int Int)) (v_arrayElimArr_16 (Array Int Int)) (|t1Thread1of1ForFork0_~value~0#1| Int) (|v_t1Thread1of1ForFork0_~i~0#1_81| Int) (v_ArrVal_2101 (Array Int Int)) (|v_t1Thread1of1ForFork0_~i~0#1_82| Int) (|v_t1Thread1of1ForFork0_enqueue_~q#1.base_194| Int) (v_ArrVal_2110 Int) (v_ArrVal_2124 Int) (v_ArrVal_2117 Int)) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_init_~q#1.base| v_ArrVal_2101) |v_t1Thread1of1ForFork0_enqueue_~q#1.base_194| v_ArrVal_2104))) (let ((.cse1 (store (select (store (store .cse0 |c_~#stored_elements~0.base| (store (select (store (store .cse0 |c_~#stored_elements~0.base| (store (select (store (store .cse0 |c_~#stored_elements~0.base| (store (select .cse0 |c_~#stored_elements~0.base|) |c_~#stored_elements~0.offset| |t1Thread1of1ForFork0_~value~0#1|)) |c_~#queue~0.base| v_ArrVal_2108) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 4) v_ArrVal_2110)) |c_~#queue~0.base| v_ArrVal_2115) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_82| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2117)) |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base|) (+ (* |v_t1Thread1of1ForFork0_~i~0#1_81| 4) |c_~#stored_elements~0.offset| 4) v_ArrVal_2124))) (or (= (select (select (store (store .cse0 |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base| v_ArrVal_2127) |c_~#stored_elements~0.base|) (+ |c_~#stored_elements~0.offset| 8)) 0) (< |v_t1Thread1of1ForFork0_~i~0#1_82| 3) (not (= (select (select (store (store .cse0 |c_~#queue~0.base| v_arrayElimArr_16) |c_~#stored_elements~0.base| .cse1) |c_~#queue~0.base|) (+ 3200 |c_~#queue~0.offset|)) 800)) (< |v_t1Thread1of1ForFork0_enqueue_~q#1.base_194| |c_~#queue~0.base|) (< |v_t1Thread1of1ForFork0_~i~0#1_81| (+ |v_t1Thread1of1ForFork0_~i~0#1_82| 1)))))) is different from false [2024-10-26 06:29:01,941 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 135 not checked. [2024-10-26 06:29:01,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173541674] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 06:29:01,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 06:29:01,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 27, 34] total 85 [2024-10-26 06:29:01,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97542921] [2024-10-26 06:29:01,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 06:29:01,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-10-26 06:29:01,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:29:01,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-10-26 06:29:01,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=367, Invalid=3947, Unknown=56, NotChecked=2940, Total=7310 [2024-10-26 06:29:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:29:01,946 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:29:01,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 5.023255813953488) internal successors, (432), 85 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:29:01,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:01,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:29:01,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:01,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:01,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:01,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:01,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:29:01,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-10-26 06:29:01,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:29:11,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-26 06:29:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:29:11,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:11,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-10-26 06:29:11,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-10-26 06:29:11,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-26 06:29:11,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-26 06:29:12,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 06:29:12,105 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting t1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:29:12,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:29:12,105 INFO L85 PathProgramCache]: Analyzing trace with hash 290181265, now seen corresponding path program 1 times [2024-10-26 06:29:12,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:29:12,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325434919] [2024-10-26 06:29:12,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:29:12,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:29:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:29:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-26 06:29:12,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:29:12,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325434919] [2024-10-26 06:29:12,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325434919] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 06:29:12,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 06:29:12,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-26 06:29:12,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154756685] [2024-10-26 06:29:12,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 06:29:12,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 06:29:12,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 06:29:12,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 06:29:12,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 06:29:12,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:29:12,280 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 06:29:12,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-26 06:29:12,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:12,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:29:12,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:12,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:12,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:12,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:12,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:29:12,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:29:12,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:29:12,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:29:12,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:29:12,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:29:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:29:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:29:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-10-26 06:29:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:29:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-10-26 06:29:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-10-26 06:29:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-10-26 06:29:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 06:29:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:29:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:18,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-10-26 06:29:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-10-26 06:29:18,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-10-26 06:29:18,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 06:29:18,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-26 06:29:18,877 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting t1Err25REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 38 more)] === [2024-10-26 06:29:18,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 06:29:18,877 INFO L85 PathProgramCache]: Analyzing trace with hash 103455728, now seen corresponding path program 1 times [2024-10-26 06:29:18,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 06:29:18,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260760510] [2024-10-26 06:29:18,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:29:18,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 06:29:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:29:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-26 06:29:29,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 06:29:29,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260760510] [2024-10-26 06:29:29,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260760510] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 06:29:29,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206252790] [2024-10-26 06:29:29,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 06:29:29,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 06:29:29,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 06:29:29,905 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 06:29:29,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-26 06:29:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 06:29:30,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 4148 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-10-26 06:29:30,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 06:29:31,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 26 treesize of output 14 [2024-10-26 06:29:31,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:29:31,104 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 17 treesize of output 12 [2024-10-26 06:29:31,395 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 24 treesize of output 12 [2024-10-26 06:29:31,448 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 24 treesize of output 12 [2024-10-26 06:29:31,666 INFO L349 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2024-10-26 06:29:31,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 30 [2024-10-26 06:29:31,692 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 24 treesize of output 12 [2024-10-26 06:29:31,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 34 treesize of output 18 [2024-10-26 06:29:31,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:29:31,992 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 25 treesize of output 18 [2024-10-26 06:29:32,198 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 32 treesize of output 16 [2024-10-26 06:29:32,253 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 32 treesize of output 16 [2024-10-26 06:29:32,512 INFO L349 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2024-10-26 06:29:32,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 40 [2024-10-26 06:29:32,628 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 46 treesize of output 22 [2024-10-26 06:29:32,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 56 treesize of output 28 [2024-10-26 06:29:33,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:29:33,068 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 47 treesize of output 34 [2024-10-26 06:29:33,416 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 54 treesize of output 26 [2024-10-26 06:29:33,499 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 54 treesize of output 26 [2024-10-26 06:29:33,699 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 46 treesize of output 22 [2024-10-26 06:29:33,777 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 81 proven. 69 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-26 06:29:33,777 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 06:29:40,538 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (store |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork0_enqueue_~q#1.base|) (+ 3204 |c_t1Thread1of1ForFork0_enqueue_~q#1.offset|) (+ 1 |c_t1Thread1of1ForFork0_enqueue_#t~post41#1|)))) (.cse1 (+ |c_~#queue~0.offset| 3204))) (and (forall ((v_ArrVal_2436 (Array Int Int))) (<= (+ (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_2436) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset| 4) (select |c_#length| |c_~#queue~0.base|))) (forall ((v_ArrVal_2436 (Array Int Int))) (<= 0 (+ (* (select (select (store .cse0 |c_~#stored_elements~0.base| v_ArrVal_2436) |c_~#queue~0.base|) .cse1) 4) |c_~#queue~0.offset|))))) is different from false [2024-10-26 06:30:40,245 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:30:40,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 3139 treesize of output 1669 [2024-10-26 06:30:40,488 INFO L349 Elim1Store]: treesize reduction 349, result has 50.1 percent of original size [2024-10-26 06:30:40,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 1868 treesize of output 1816 [2024-10-26 06:30:40,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 386 treesize of output 362 [2024-10-26 06:30:40,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 355 treesize of output 343 [2024-10-26 06:30:40,631 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:30:40,631 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 427 treesize of output 419 [2024-10-26 06:30:40,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 314 treesize of output 294 [2024-10-26 06:30:40,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 283 treesize of output 263 [2024-10-26 06:30:40,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 258 treesize of output 254 [2024-10-26 06:30:40,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 243 treesize of output 239 [2024-10-26 06:30:40,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 4 [2024-10-26 06:30:40,856 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:30:40,856 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 20 treesize of output 20 [2024-10-26 06:30:41,032 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-26 06:30:41,099 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-26 06:30:41,151 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-26 06:30:41,195 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-26 06:30:41,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 224 treesize of output 204 [2024-10-26 06:30:41,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 188 treesize of output 168 [2024-10-26 06:30:41,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 149 treesize of output 141 [2024-10-26 06:30:41,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 136 treesize of output 132 [2024-10-26 06:30:41,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 119 treesize of output 107 [2024-10-26 06:30:41,322 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-10-26 06:30:41,323 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 147 treesize of output 1 [2024-10-26 06:30:41,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 224 treesize of output 204 [2024-10-26 06:30:41,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 188 treesize of output 168 [2024-10-26 06:30:41,412 INFO L349 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2024-10-26 06:30:41,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 223 treesize of output 1 [2024-10-26 06:30:41,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 303 treesize of output 283 [2024-10-26 06:30:41,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 268 treesize of output 248 [2024-10-26 06:30:41,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 235 treesize of output 215 [2024-10-26 06:30:41,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 210 treesize of output 206 [2024-10-26 06:30:41,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 199 treesize of output 187 [2024-10-26 06:30:41,504 INFO L349 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2024-10-26 06:30:41,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 254 treesize of output 1 [2024-10-26 06:30:41,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 385 treesize of output 361 [2024-10-26 06:30:41,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 340 treesize of output 320 [2024-10-26 06:30:41,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 304 treesize of output 284 [2024-10-26 06:30:41,589 INFO L349 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2024-10-26 06:30:41,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 1 [2024-10-26 06:30:41,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 224 treesize of output 204 [2024-10-26 06:30:41,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 188 treesize of output 168 [2024-10-26 06:30:41,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 156 treesize of output 144 [2024-10-26 06:30:41,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 139 treesize of output 135 [2024-10-26 06:30:41,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 122 treesize of output 110 [2024-10-26 06:30:41,721 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-10-26 06:30:41,721 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 156 treesize of output 1 [2024-10-26 06:30:41,793 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-26 06:30:41,889 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-26 06:30:41,911 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-26 06:30:41,932 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-26 06:30:41,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 240 treesize of output 228 [2024-10-26 06:30:41,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 220 treesize of output 208 [2024-10-26 06:30:41,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 200 treesize of output 180 [2024-10-26 06:30:42,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 172 treesize of output 152 [2024-10-26 06:30:42,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 165 treesize of output 161 [2024-10-26 06:30:42,085 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-10-26 06:30:42,086 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 272 treesize of output 1 [2024-10-26 06:30:42,203 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-26 06:30:42,232 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-26 06:30:42,258 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-26 06:30:42,330 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-26 06:30:42,360 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-26 06:30:42,492 INFO L349 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2024-10-26 06:30:42,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 1521 treesize of output 1471 [2024-10-26 06:30:42,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 991 treesize of output 967 [2024-10-26 06:30:42,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 956 treesize of output 936 [2024-10-26 06:30:42,606 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 06:30:42,606 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 1429 treesize of output 1377 [2024-10-26 06:30:42,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 896 treesize of output 876 [2024-10-26 06:30:42,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 869 treesize of output 857 [2024-10-26 06:30:42,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 852 treesize of output 848 [2024-10-26 06:30:42,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 848 treesize of output 844 [2024-10-26 06:30:42,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 [2024-10-26 06:31:21,157 WARN L286 SmtUtils]: Spent 38.06s on a formula simplification. DAG size of input: 566 DAG size of output: 188 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-10-26 06:31:21,158 INFO L349 Elim1Store]: treesize reduction 3203, result has 15.7 percent of original size [2024-10-26 06:31:21,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 14 new quantified variables, introduced 57 case distinctions, treesize of input 1221 treesize of output 3245 [2024-10-26 06:31:21,778 INFO L224 Elim1Store]: Index analysis took 118 ms [2024-10-26 06:31:21,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-26 06:31:43,139 WARN L286 SmtUtils]: Spent 21.33s on a formula simplification. DAG size of input: 611 DAG size of output: 47 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-10-26 06:31:43,139 INFO L349 Elim1Store]: treesize reduction 4459, result has 1.6 percent of original size [2024-10-26 06:31:43,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 71 case distinctions, treesize of input 1286553 treesize of output 807606 Killed by 15