./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread/stack_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/stack_longer-1.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 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-13 07:24:08,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 07:24:08,689 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-13 07:24:08,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 07:24:08,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 07:24:08,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 07:24:08,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 07:24:08,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 07:24:08,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 07:24:08,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 07:24:08,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 07:24:08,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 07:24:08,742 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 07:24:08,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 07:24:08,743 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 07:24:08,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 07:24:08,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 07:24:08,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 07:24:08,747 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 07:24:08,747 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 07:24:08,747 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 07:24:08,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 07:24:08,752 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 07:24:08,753 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 07:24:08,753 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 07:24:08,753 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 07:24:08,753 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 07:24:08,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 07:24:08,754 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 07:24:08,754 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 07:24:08,755 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 07:24:08,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 07:24:08,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 07:24:08,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 07:24:08,758 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 07:24:08,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 07:24:08,758 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 07:24:08,759 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-13 07:24:08,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 07:24:08,759 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 07:24:08,759 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 07:24:08,760 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 [2024-11-13 07:24:09,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 07:24:09,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 07:24:09,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 07:24:09,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 07:24:09,044 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 07:24:09,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread/stack_longer-1.i [2024-11-13 07:24:10,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 07:24:10,818 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 07:24:10,820 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/stack_longer-1.i [2024-11-13 07:24:10,850 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2ded3420f/7bd7cc86db3644f9bd7bbc1a5d00cb7a/FLAG0f5419f8a [2024-11-13 07:24:10,869 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2ded3420f/7bd7cc86db3644f9bd7bbc1a5d00cb7a [2024-11-13 07:24:10,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 07:24:10,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 07:24:10,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 07:24:10,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 07:24:10,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 07:24:10,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:24:10" (1/1) ... [2024-11-13 07:24:10,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ffbdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:24:10, skipping insertion in model container [2024-11-13 07:24:10,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 07:24:10" (1/1) ... [2024-11-13 07:24:10,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 07:24:11,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 07:24:11,482 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 07:24:11,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 07:24:11,652 INFO L204 MainTranslator]: Completed translation [2024-11-13 07:24:11,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:24:11 WrapperNode [2024-11-13 07:24:11,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 07:24:11,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 07:24:11,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 07:24:11,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 07:24:11,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:24:11" (1/1) ... [2024-11-13 07:24:11,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:24:11" (1/1) ... [2024-11-13 07:24:11,762 INFO L138 Inliner]: procedures = 277, calls = 432, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 556 [2024-11-13 07:24:11,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 07:24:11,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 07:24:11,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 07:24:11,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 07:24:11,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:24:11" (1/1) ... [2024-11-13 07:24:11,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:24:11" (1/1) ... [2024-11-13 07:24:11,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:24:11" (1/1) ... [2024-11-13 07:24:11,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:24:11" (1/1) ... [2024-11-13 07:24:11,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:24:11" (1/1) ... [2024-11-13 07:24:11,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:24:11" (1/1) ... [2024-11-13 07:24:11,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:24:11" (1/1) ... [2024-11-13 07:24:11,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:24:11" (1/1) ... [2024-11-13 07:24:11,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 07:24:11,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 07:24:11,857 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 07:24:11,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 07:24:11,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:24:11" (1/1) ... [2024-11-13 07:24:11,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 07:24:11,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 07:24:11,891 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) [2024-11-13 07:24:11,898 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 [2024-11-13 07:24:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-13 07:24:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-13 07:24:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-13 07:24:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-13 07:24:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 07:24:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 07:24:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 07:24:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 07:24:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 07:24:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 07:24:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 07:24:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 07:24:11,951 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 07:24:12,083 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 07:24:12,086 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 07:24:12,883 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 07:24:12,884 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 07:24:17,940 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 07:24:17,941 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 07:24:17,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 07:24:17 BoogieIcfgContainer [2024-11-13 07:24:17,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 07:24:17,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 07:24:17,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 07:24:17,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 07:24:17,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 07:24:10" (1/3) ... [2024-11-13 07:24:17,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19112d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 07:24:17, skipping insertion in model container [2024-11-13 07:24:17,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 07:24:11" (2/3) ... [2024-11-13 07:24:17,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19112d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 07:24:17, skipping insertion in model container [2024-11-13 07:24:17,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 07:24:17" (3/3) ... [2024-11-13 07:24:17,956 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2024-11-13 07:24:17,979 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 07:24:17,979 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-13 07:24:17,979 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 07:24:18,057 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 07:24:18,111 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 07:24:18,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-13 07:24:18,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 07:24:18,114 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) [2024-11-13 07:24:18,115 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 [2024-11-13 07:24:18,147 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 07:24:18,160 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork1 ======== [2024-11-13 07:24:18,168 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;@ad91023, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 07:24:18,168 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-13 07:24:18,489 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 07:24:18,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 07:24:18,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1377655452, now seen corresponding path program 1 times [2024-11-13 07:24:18,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 07:24:18,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786243767] [2024-11-13 07:24:18,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 07:24:18,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 07:24:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 07:24:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:19,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 07:24:19,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786243767] [2024-11-13 07:24:19,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786243767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 07:24:19,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 07:24:19,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 07:24:19,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371789294] [2024-11-13 07:24:19,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 07:24:19,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 07:24:19,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 07:24:19,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 07:24:19,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 07:24:19,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:19,181 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 07:24:19,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-13 07:24:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:19,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 07:24:19,325 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 07:24:19,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 07:24:19,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1377655453, now seen corresponding path program 1 times [2024-11-13 07:24:19,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 07:24:19,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899658910] [2024-11-13 07:24:19,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 07:24:19,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 07:24:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 07:24:20,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:20,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 07:24:20,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899658910] [2024-11-13 07:24:20,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899658910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 07:24:20,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 07:24:20,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 07:24:20,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301548299] [2024-11-13 07:24:20,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 07:24:20,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 07:24:20,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 07:24:20,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 07:24:20,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 07:24:20,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:20,190 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 07:24:20,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-13 07:24:20,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:20,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:20,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:20,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:20,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 07:24:20,443 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err2ASSERT_VIOLATIONMEMORY_LEAK === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 07:24:20,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 07:24:20,444 INFO L85 PathProgramCache]: Analyzing trace with hash -86512350, now seen corresponding path program 1 times [2024-11-13 07:24:20,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 07:24:20,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645107323] [2024-11-13 07:24:20,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 07:24:20,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 07:24:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 07:24:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:20,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 07:24:20,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645107323] [2024-11-13 07:24:20,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645107323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 07:24:20,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 07:24:20,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 07:24:20,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17982160] [2024-11-13 07:24:20,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 07:24:20,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 07:24:20,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 07:24:20,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 07:24:20,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 07:24:20,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:20,658 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 07:24:20,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2024-11-13 07:24:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:20,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:20,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:20,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:20,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:20,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 07:24:20,872 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 07:24:20,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 07:24:20,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1690161877, now seen corresponding path program 1 times [2024-11-13 07:24:20,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 07:24:20,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83007071] [2024-11-13 07:24:20,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 07:24:20,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 07:24:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 07:24:21,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:21,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 07:24:21,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83007071] [2024-11-13 07:24:21,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83007071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 07:24:21,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774539693] [2024-11-13 07:24:21,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 07:24:21,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 07:24:21,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 07:24:21,501 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) [2024-11-13 07:24:21,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 07:24:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 07:24:21,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 07:24:21,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 07:24:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:21,974 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 07:24:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:22,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774539693] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 07:24:22,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 07:24:22,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 12 [2024-11-13 07:24:22,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074781532] [2024-11-13 07:24:22,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 07:24:22,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 07:24:22,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 07:24:22,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 07:24:22,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-13 07:24:22,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:22,144 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 07:24:22,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 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) [2024-11-13 07:24:22,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:22,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:22,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:22,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:22,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 07:24:22,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 07:24:22,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 07:24:22,934 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 07:24:22,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 07:24:22,935 INFO L85 PathProgramCache]: Analyzing trace with hash -675031171, now seen corresponding path program 2 times [2024-11-13 07:24:22,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 07:24:22,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995920625] [2024-11-13 07:24:22,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 07:24:22,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 07:24:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 07:24:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:23,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 07:24:23,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995920625] [2024-11-13 07:24:23,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995920625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 07:24:23,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333927808] [2024-11-13 07:24:23,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 07:24:23,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 07:24:23,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 07:24:23,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 07:24:23,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 07:24:23,820 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 07:24:23,820 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 07:24:23,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 07:24:23,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 07:24:24,301 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:24,301 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 07:24:24,687 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:24,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333927808] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 07:24:24,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 07:24:24,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 21 [2024-11-13 07:24:24,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018606195] [2024-11-13 07:24:24,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 07:24:24,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-13 07:24:24,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 07:24:24,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-13 07:24:24,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2024-11-13 07:24:24,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:24,693 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 07:24:24,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.545454545454546) internal successors, (144), 22 states have internal predecessors, (144), 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) [2024-11-13 07:24:24,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:24,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:24,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:24,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 07:24:24,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:25,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:25,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:25,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:25,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 07:24:25,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 07:24:25,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 07:24:26,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 07:24:26,179 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 07:24:26,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 07:24:26,180 INFO L85 PathProgramCache]: Analyzing trace with hash 31956685, now seen corresponding path program 3 times [2024-11-13 07:24:26,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 07:24:26,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500176610] [2024-11-13 07:24:26,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 07:24:26,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 07:24:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 07:24:27,297 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:27,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 07:24:27,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500176610] [2024-11-13 07:24:27,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500176610] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 07:24:27,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786351420] [2024-11-13 07:24:27,298 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 07:24:27,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 07:24:27,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 07:24:27,302 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) [2024-11-13 07:24:27,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 07:24:27,633 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-13 07:24:27,633 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 07:24:27,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 07:24:27,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 07:24:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 93 proven. 20 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2024-11-13 07:24:28,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 07:24:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2024-11-13 07:24:30,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786351420] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 07:24:30,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 07:24:30,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 6, 6] total 25 [2024-11-13 07:24:30,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979964074] [2024-11-13 07:24:30,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 07:24:30,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-13 07:24:30,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 07:24:30,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-13 07:24:30,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=611, Unknown=0, NotChecked=0, Total=702 [2024-11-13 07:24:30,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:30,610 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 07:24:30,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.153846153846154) internal successors, (160), 26 states have internal predecessors, (160), 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) [2024-11-13 07:24:30,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:30,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:30,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:30,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 07:24:30,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 07:24:30,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:33,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:33,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 07:24:33,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 07:24:33,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 07:24:33,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 07:24:33,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 07:24:33,420 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err2ASSERT_VIOLATIONMEMORY_LEAK === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 07:24:33,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 07:24:33,420 INFO L85 PathProgramCache]: Analyzing trace with hash 172733804, now seen corresponding path program 1 times [2024-11-13 07:24:33,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 07:24:33,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453831518] [2024-11-13 07:24:33,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 07:24:33,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 07:24:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 07:24:33,788 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2024-11-13 07:24:33,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 07:24:33,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453831518] [2024-11-13 07:24:33,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453831518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 07:24:33,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 07:24:33,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 07:24:33,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25468952] [2024-11-13 07:24:33,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 07:24:33,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 07:24:33,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 07:24:33,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 07:24:33,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 07:24:33,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:33,791 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 07:24:33,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-11-13 07:24:33,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:33,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:33,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:33,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 07:24:33,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 07:24:33,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 07:24:33,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:33,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:33,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:33,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:33,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 07:24:33,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 07:24:33,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 07:24:33,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 07:24:33,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 07:24:33,880 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err2ASSERT_VIOLATIONMEMORY_LEAK === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 07:24:33,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 07:24:33,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1907723667, now seen corresponding path program 1 times [2024-11-13 07:24:33,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 07:24:33,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722057256] [2024-11-13 07:24:33,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 07:24:33,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 07:24:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 07:24:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 22 proven. 594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:34,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 07:24:34,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722057256] [2024-11-13 07:24:34,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722057256] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 07:24:34,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491443943] [2024-11-13 07:24:34,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 07:24:34,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 07:24:34,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 07:24:34,418 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) [2024-11-13 07:24:34,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 07:24:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 07:24:34,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 1522 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 07:24:34,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 07:24:34,986 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 22 proven. 594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:34,987 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 07:24:35,321 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 22 proven. 594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:35,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491443943] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 07:24:35,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 07:24:35,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 26 [2024-11-13 07:24:35,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728910677] [2024-11-13 07:24:35,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 07:24:35,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-13 07:24:35,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 07:24:35,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-13 07:24:35,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2024-11-13 07:24:35,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:35,326 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 07:24:35,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.11111111111111) internal successors, (246), 26 states have internal predecessors, (246), 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) [2024-11-13 07:24:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 07:24:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 07:24:35,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 07:24:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 07:24:35,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 07:24:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 07:24:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 07:24:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 07:24:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 07:24:35,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 07:24:35,938 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,SelfDestructingSolverStorable7 [2024-11-13 07:24:35,938 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err2ASSERT_VIOLATIONMEMORY_LEAK === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 07:24:35,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 07:24:35,939 INFO L85 PathProgramCache]: Analyzing trace with hash -741592645, now seen corresponding path program 2 times [2024-11-13 07:24:35,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 07:24:35,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973458405] [2024-11-13 07:24:35,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 07:24:35,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 07:24:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 07:24:37,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2904 backedges. 48 proven. 2856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:37,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 07:24:37,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973458405] [2024-11-13 07:24:37,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973458405] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 07:24:37,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324208802] [2024-11-13 07:24:37,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 07:24:37,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 07:24:37,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 07:24:37,616 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) [2024-11-13 07:24:37,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 07:24:38,039 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 07:24:38,039 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 07:24:38,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 2250 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 07:24:38,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 07:24:38,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2904 backedges. 48 proven. 2856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:38,349 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 07:24:39,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2904 backedges. 48 proven. 2856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:39,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324208802] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 07:24:39,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 07:24:39,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 52 [2024-11-13 07:24:39,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951904688] [2024-11-13 07:24:39,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 07:24:39,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-13 07:24:39,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 07:24:39,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-13 07:24:39,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2024-11-13 07:24:39,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:39,333 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 07:24:39,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 9.547169811320755) internal successors, (506), 52 states have internal predecessors, (506), 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) [2024-11-13 07:24:39,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:39,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:39,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:39,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 07:24:39,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 07:24:39,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 07:24:39,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 07:24:39,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-13 07:24:39,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:24:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:24:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:24:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 07:24:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 07:24:40,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 07:24:40,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 07:24:40,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 07:24:40,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-13 07:24:40,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 07:24:40,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 07:24:40,456 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err2ASSERT_VIOLATIONMEMORY_LEAK === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 07:24:40,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 07:24:40,456 INFO L85 PathProgramCache]: Analyzing trace with hash 486751243, now seen corresponding path program 3 times [2024-11-13 07:24:40,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 07:24:40,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422183056] [2024-11-13 07:24:40,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 07:24:40,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 07:24:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 07:24:45,906 INFO L134 CoverageAnalysis]: Checked inductivity of 12550 backedges. 100 proven. 12450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:24:45,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 07:24:45,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422183056] [2024-11-13 07:24:45,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422183056] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 07:24:45,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732461654] [2024-11-13 07:24:45,907 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 07:24:45,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 07:24:45,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 07:24:45,909 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) [2024-11-13 07:24:45,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 07:27:53,131 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 51 check-sat command(s) [2024-11-13 07:27:53,132 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 07:27:53,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 3706 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-13 07:27:53,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 07:27:53,700 INFO L134 CoverageAnalysis]: Checked inductivity of 12550 backedges. 100 proven. 12450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:27:53,700 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 07:27:56,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12550 backedges. 100 proven. 12450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:27:56,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732461654] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 07:27:56,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 07:27:56,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52, 52] total 104 [2024-11-13 07:27:56,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145959532] [2024-11-13 07:27:56,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 07:27:56,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2024-11-13 07:27:56,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 07:27:56,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2024-11-13 07:27:56,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2024-11-13 07:27:56,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:27:56,815 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 07:27:56,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 9.771428571428572) internal successors, (1026), 104 states have internal predecessors, (1026), 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) [2024-11-13 07:27:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:27:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:27:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:27:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-13 07:27:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-13 07:27:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 07:27:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 07:27:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-11-13 07:27:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-11-13 07:27:56,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 07:27:59,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:27:59,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 07:27:59,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 07:27:59,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 07:27:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 07:27:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 07:27:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 07:27:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 07:27:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-13 07:27:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-11-13 07:27:59,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 07:28:00,072 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,SelfDestructingSolverStorable9 [2024-11-13 07:28:00,073 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err2ASSERT_VIOLATIONMEMORY_LEAK === [t1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, t1Err2ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 07:28:00,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 07:28:00,073 INFO L85 PathProgramCache]: Analyzing trace with hash 389961899, now seen corresponding path program 4 times [2024-11-13 07:28:00,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 07:28:00,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068518931] [2024-11-13 07:28:00,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 07:28:00,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 07:28:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 07:28:14,531 INFO L134 CoverageAnalysis]: Checked inductivity of 52122 backedges. 204 proven. 51918 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 07:28:14,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 07:28:14,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068518931] [2024-11-13 07:28:14,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068518931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 07:28:14,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133754414] [2024-11-13 07:28:14,532 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 07:28:14,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 07:28:14,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 07:28:14,534 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) [2024-11-13 07:28:14,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process Killed by 15