./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f68d39859f114df07f2619f37e3285dcdf00194e62a42552d2c67e537c13685 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:46:58,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:46:58,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-13 12:46:58,544 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:46:58,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:46:58,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:46:58,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:46:58,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:46:58,583 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:46:58,583 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:46:58,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:46:58,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:46:58,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:46:58,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:46:58,585 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:46:58,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:46:58,586 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:46:58,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:46:58,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:46:58,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:46:58,587 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 12:46:58,587 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 12:46:58,587 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 12:46:58,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:46:58,588 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 12:46:58,588 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:46:58,588 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:46:58,588 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:46:58,588 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:46:58,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:46:58,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:46:58,589 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:46:58,589 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:46:58,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:46:58,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:46:58,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:46:58,589 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:46:58,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:46:58,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:46:58,590 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:46:58,591 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:46:58,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:46:58,591 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer 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 -> 3f68d39859f114df07f2619f37e3285dcdf00194e62a42552d2c67e537c13685 [2024-11-13 12:46:58,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:46:58,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:46:58,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:46:58,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:46:58,958 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:46:58,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/locks/test_locks_5.c Unable to find full path for "g++" [2024-11-13 12:47:01,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:47:01,251 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:47:01,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/sv-benchmarks/c/locks/test_locks_5.c [2024-11-13 12:47:01,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/data/92ebcffe1/8e8a58952d9c4630974b9fd25c0afe64/FLAG3233ad002 [2024-11-13 12:47:01,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/data/92ebcffe1/8e8a58952d9c4630974b9fd25c0afe64 [2024-11-13 12:47:01,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:47:01,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:47:01,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:47:01,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:47:01,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:47:01,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:47:01" (1/1) ... [2024-11-13 12:47:01,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ff9cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01, skipping insertion in model container [2024-11-13 12:47:01,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:47:01" (1/1) ... [2024-11-13 12:47:01,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:47:01,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:47:01,506 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:47:01,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:47:01,540 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:47:01,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01 WrapperNode [2024-11-13 12:47:01,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:47:01,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:47:01,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:47:01,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:47:01,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01" (1/1) ... [2024-11-13 12:47:01,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01" (1/1) ... [2024-11-13 12:47:01,577 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2024-11-13 12:47:01,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:47:01,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:47:01,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:47:01,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:47:01,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01" (1/1) ... [2024-11-13 12:47:01,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01" (1/1) ... [2024-11-13 12:47:01,588 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01" (1/1) ... [2024-11-13 12:47:01,601 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 12:47:01,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01" (1/1) ... [2024-11-13 12:47:01,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01" (1/1) ... [2024-11-13 12:47:01,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01" (1/1) ... [2024-11-13 12:47:01,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01" (1/1) ... [2024-11-13 12:47:01,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01" (1/1) ... [2024-11-13 12:47:01,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01" (1/1) ... [2024-11-13 12:47:01,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:47:01,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:47:01,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:47:01,622 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:47:01,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01" (1/1) ... [2024-11-13 12:47:01,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:47:01,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:47:01,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:47:01,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:47:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:47:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:47:01,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:47:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:47:01,759 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:47:01,762 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:47:01,949 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 12:47:01,949 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:47:01,961 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:47:01,962 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:47:01,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:47:01 BoogieIcfgContainer [2024-11-13 12:47:01,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:47:01,967 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:47:01,967 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:47:01,971 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:47:01,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:47:01" (1/3) ... [2024-11-13 12:47:01,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4508ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:47:01, skipping insertion in model container [2024-11-13 12:47:01,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:47:01" (2/3) ... [2024-11-13 12:47:01,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4508ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:47:01, skipping insertion in model container [2024-11-13 12:47:01,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:47:01" (3/3) ... [2024-11-13 12:47:01,974 INFO L112 eAbstractionObserver]: Analyzing ICFG test_locks_5.c [2024-11-13 12:47:01,990 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:47:01,991 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG test_locks_5.c that has 1 procedures, 28 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-13 12:47:02,031 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:47:02,052 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=PETRI_NET, 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;@205d993a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:47:02,052 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-13 12:47:02,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 25 states have (on average 1.8) internal successors, (45), 27 states have internal predecessors, (45), 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 12:47:02,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 12:47:02,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:02,069 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 12:47:02,069 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:02,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:02,077 INFO L85 PathProgramCache]: Analyzing trace with hash 28790091, now seen corresponding path program 1 times [2024-11-13 12:47:02,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:02,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176342332] [2024-11-13 12:47:02,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:02,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:02,244 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 12:47:02,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:02,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176342332] [2024-11-13 12:47:02,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176342332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:02,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:02,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:47:02,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618369492] [2024-11-13 12:47:02,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:02,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 12:47:02,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:02,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 12:47:02,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:47:02,303 INFO L87 Difference]: Start difference. First operand has 28 states, 25 states have (on average 1.8) internal successors, (45), 27 states have internal predecessors, (45), 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) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 12:47:02,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:02,321 INFO L93 Difference]: Finished difference Result 27 states and 41 transitions. [2024-11-13 12:47:02,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:47:02,323 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5 [2024-11-13 12:47:02,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:02,334 INFO L225 Difference]: With dead ends: 27 [2024-11-13 12:47:02,334 INFO L226 Difference]: Without dead ends: 25 [2024-11-13 12:47:02,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:47:02,342 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:02,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:02,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-13 12:47:02,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-13 12:47:02,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 24 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 12:47:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 39 transitions. [2024-11-13 12:47:02,392 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 39 transitions. Word has length 5 [2024-11-13 12:47:02,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:02,393 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 39 transitions. [2024-11-13 12:47:02,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 12:47:02,393 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-11-13 12:47:02,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 12:47:02,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:02,395 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 12:47:02,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:47:02,397 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:02,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:02,398 INFO L85 PathProgramCache]: Analyzing trace with hash 889664462, now seen corresponding path program 1 times [2024-11-13 12:47:02,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:02,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258275585] [2024-11-13 12:47:02,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:02,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:02,481 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 12:47:02,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:02,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258275585] [2024-11-13 12:47:02,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258275585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:02,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:02,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:47:02,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756951227] [2024-11-13 12:47:02,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:02,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:02,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:02,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:02,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:02,484 INFO L87 Difference]: Start difference. First operand 25 states and 39 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 12:47:02,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:02,492 INFO L93 Difference]: Finished difference Result 24 states and 38 transitions. [2024-11-13 12:47:02,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:02,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2024-11-13 12:47:02,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:02,493 INFO L225 Difference]: With dead ends: 24 [2024-11-13 12:47:02,493 INFO L226 Difference]: Without dead ends: 22 [2024-11-13 12:47:02,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:02,494 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:02,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:02,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-13 12:47:02,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-13 12:47:02,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 21 states have internal predecessors, (36), 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 12:47:02,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 36 transitions. [2024-11-13 12:47:02,498 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 36 transitions. Word has length 6 [2024-11-13 12:47:02,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:02,499 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 36 transitions. [2024-11-13 12:47:02,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 12:47:02,499 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2024-11-13 12:47:02,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 12:47:02,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:02,499 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:47:02,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:47:02,500 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:02,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:02,500 INFO L85 PathProgramCache]: Analyzing trace with hash 419826652, now seen corresponding path program 1 times [2024-11-13 12:47:02,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:02,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146461287] [2024-11-13 12:47:02,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:02,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:02,609 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 12:47:02,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:02,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146461287] [2024-11-13 12:47:02,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146461287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:02,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:02,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:47:02,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710677294] [2024-11-13 12:47:02,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:02,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:02,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:02,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:02,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:02,612 INFO L87 Difference]: Start difference. First operand 22 states and 36 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 12:47:02,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:02,646 INFO L93 Difference]: Finished difference Result 41 states and 67 transitions. [2024-11-13 12:47:02,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:02,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) Word has length 13 [2024-11-13 12:47:02,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:02,647 INFO L225 Difference]: With dead ends: 41 [2024-11-13 12:47:02,648 INFO L226 Difference]: Without dead ends: 41 [2024-11-13 12:47:02,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:02,649 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 24 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:02,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 70 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:02,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-13 12:47:02,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 28. [2024-11-13 12:47:02,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.7407407407407407) internal successors, (47), 27 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) [2024-11-13 12:47:02,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 47 transitions. [2024-11-13 12:47:02,658 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 47 transitions. Word has length 13 [2024-11-13 12:47:02,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:02,660 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 47 transitions. [2024-11-13 12:47:02,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 12:47:02,660 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2024-11-13 12:47:02,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 12:47:02,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:02,661 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:47:02,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:47:02,662 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:02,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:02,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1099885022, now seen corresponding path program 1 times [2024-11-13 12:47:02,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:02,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413029582] [2024-11-13 12:47:02,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:02,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:02,756 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 12:47:02,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:02,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413029582] [2024-11-13 12:47:02,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413029582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:02,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:02,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:47:02,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356243156] [2024-11-13 12:47:02,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:02,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:02,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:02,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:02,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:02,758 INFO L87 Difference]: Start difference. First operand 28 states and 47 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 12:47:02,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:02,795 INFO L93 Difference]: Finished difference Result 41 states and 65 transitions. [2024-11-13 12:47:02,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:02,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) Word has length 13 [2024-11-13 12:47:02,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:02,796 INFO L225 Difference]: With dead ends: 41 [2024-11-13 12:47:02,797 INFO L226 Difference]: Without dead ends: 41 [2024-11-13 12:47:02,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:02,798 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 24 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:02,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 75 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:02,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-13 12:47:02,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2024-11-13 12:47:02,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 37 states have internal predecessors, (63), 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 12:47:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 63 transitions. [2024-11-13 12:47:02,806 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 63 transitions. Word has length 13 [2024-11-13 12:47:02,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:02,807 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 63 transitions. [2024-11-13 12:47:02,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 12:47:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2024-11-13 12:47:02,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 12:47:02,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:02,808 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:47:02,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 12:47:02,809 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:02,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:02,810 INFO L85 PathProgramCache]: Analyzing trace with hash 136385091, now seen corresponding path program 1 times [2024-11-13 12:47:02,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:02,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901525708] [2024-11-13 12:47:02,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:02,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:02,910 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 12:47:02,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:02,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901525708] [2024-11-13 12:47:02,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901525708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:02,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:02,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:47:02,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958331508] [2024-11-13 12:47:02,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:02,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:02,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:02,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:02,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:02,912 INFO L87 Difference]: Start difference. First operand 38 states and 63 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) 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) [2024-11-13 12:47:02,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:02,930 INFO L93 Difference]: Finished difference Result 44 states and 67 transitions. [2024-11-13 12:47:02,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:02,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) 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) Word has length 14 [2024-11-13 12:47:02,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:02,931 INFO L225 Difference]: With dead ends: 44 [2024-11-13 12:47:02,932 INFO L226 Difference]: Without dead ends: 44 [2024-11-13 12:47:02,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:02,935 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 26 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:02,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 83 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:02,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-13 12:47:02,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2024-11-13 12:47:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.625) internal successors, (65), 40 states have internal predecessors, (65), 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 12:47:02,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 65 transitions. [2024-11-13 12:47:02,944 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 65 transitions. Word has length 14 [2024-11-13 12:47:02,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:02,945 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 65 transitions. [2024-11-13 12:47:02,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) 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) [2024-11-13 12:47:02,945 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2024-11-13 12:47:02,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 12:47:02,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:02,945 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:47:02,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 12:47:02,946 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:02,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:02,946 INFO L85 PathProgramCache]: Analyzing trace with hash -256641919, now seen corresponding path program 1 times [2024-11-13 12:47:02,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:02,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637975490] [2024-11-13 12:47:02,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:02,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:03,026 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 12:47:03,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:03,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637975490] [2024-11-13 12:47:03,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637975490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:03,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:03,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:47:03,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486068315] [2024-11-13 12:47:03,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:03,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:03,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:03,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:03,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,029 INFO L87 Difference]: Start difference. First operand 41 states and 65 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) 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) [2024-11-13 12:47:03,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:03,050 INFO L93 Difference]: Finished difference Result 73 states and 116 transitions. [2024-11-13 12:47:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:03,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) 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) Word has length 14 [2024-11-13 12:47:03,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:03,052 INFO L225 Difference]: With dead ends: 73 [2024-11-13 12:47:03,054 INFO L226 Difference]: Without dead ends: 73 [2024-11-13 12:47:03,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,055 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 21 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:03,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 68 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:03,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-13 12:47:03,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 54. [2024-11-13 12:47:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.6226415094339623) internal successors, (86), 53 states have internal predecessors, (86), 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 12:47:03,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 86 transitions. [2024-11-13 12:47:03,068 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 86 transitions. Word has length 14 [2024-11-13 12:47:03,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:03,069 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 86 transitions. [2024-11-13 12:47:03,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) 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) [2024-11-13 12:47:03,069 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 86 transitions. [2024-11-13 12:47:03,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 12:47:03,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:03,072 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:47:03,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 12:47:03,072 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:03,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:03,073 INFO L85 PathProgramCache]: Analyzing trace with hash 423416451, now seen corresponding path program 1 times [2024-11-13 12:47:03,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:03,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519289642] [2024-11-13 12:47:03,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:03,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:03,128 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 12:47:03,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:03,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519289642] [2024-11-13 12:47:03,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519289642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:03,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:03,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:47:03,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134946859] [2024-11-13 12:47:03,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:03,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:03,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:03,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:03,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,131 INFO L87 Difference]: Start difference. First operand 54 states and 86 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) 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) [2024-11-13 12:47:03,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:03,150 INFO L93 Difference]: Finished difference Result 75 states and 114 transitions. [2024-11-13 12:47:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:03,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) 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) Word has length 14 [2024-11-13 12:47:03,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:03,151 INFO L225 Difference]: With dead ends: 75 [2024-11-13 12:47:03,151 INFO L226 Difference]: Without dead ends: 75 [2024-11-13 12:47:03,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,152 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 23 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:03,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 76 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:03,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-13 12:47:03,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 72. [2024-11-13 12:47:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.5774647887323943) internal successors, (112), 71 states have internal predecessors, (112), 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 12:47:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 112 transitions. [2024-11-13 12:47:03,159 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 112 transitions. Word has length 14 [2024-11-13 12:47:03,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:03,159 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 112 transitions. [2024-11-13 12:47:03,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) 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) [2024-11-13 12:47:03,160 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2024-11-13 12:47:03,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 12:47:03,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:03,160 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:47:03,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 12:47:03,161 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:03,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:03,161 INFO L85 PathProgramCache]: Analyzing trace with hash 640706441, now seen corresponding path program 1 times [2024-11-13 12:47:03,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:03,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139235578] [2024-11-13 12:47:03,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:03,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:03,203 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 12:47:03,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:03,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139235578] [2024-11-13 12:47:03,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139235578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:03,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:03,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:47:03,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627331378] [2024-11-13 12:47:03,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:03,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:03,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:03,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:03,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,206 INFO L87 Difference]: Start difference. First operand 72 states and 112 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 12:47:03,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:03,223 INFO L93 Difference]: Finished difference Result 77 states and 114 transitions. [2024-11-13 12:47:03,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:03,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) Word has length 15 [2024-11-13 12:47:03,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:03,225 INFO L225 Difference]: With dead ends: 77 [2024-11-13 12:47:03,225 INFO L226 Difference]: Without dead ends: 77 [2024-11-13 12:47:03,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,226 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 25 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:03,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 79 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:03,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-13 12:47:03,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2024-11-13 12:47:03,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.5342465753424657) internal successors, (112), 73 states have internal predecessors, (112), 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 12:47:03,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 112 transitions. [2024-11-13 12:47:03,233 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 112 transitions. Word has length 15 [2024-11-13 12:47:03,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:03,233 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 112 transitions. [2024-11-13 12:47:03,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 12:47:03,233 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2024-11-13 12:47:03,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 12:47:03,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:03,234 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:47:03,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 12:47:03,234 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:03,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:03,235 INFO L85 PathProgramCache]: Analyzing trace with hash 247679431, now seen corresponding path program 1 times [2024-11-13 12:47:03,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:03,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271494885] [2024-11-13 12:47:03,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:03,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:03,267 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 12:47:03,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:03,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271494885] [2024-11-13 12:47:03,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271494885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:03,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:03,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:47:03,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806024079] [2024-11-13 12:47:03,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:03,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:03,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:03,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:03,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,270 INFO L87 Difference]: Start difference. First operand 74 states and 112 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 12:47:03,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:03,285 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2024-11-13 12:47:03,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:03,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) Word has length 15 [2024-11-13 12:47:03,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:03,287 INFO L225 Difference]: With dead ends: 137 [2024-11-13 12:47:03,287 INFO L226 Difference]: Without dead ends: 137 [2024-11-13 12:47:03,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,288 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 23 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:03,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 70 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:03,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-13 12:47:03,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134. [2024-11-13 12:47:03,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.4736842105263157) internal successors, (196), 133 states have internal predecessors, (196), 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 12:47:03,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 196 transitions. [2024-11-13 12:47:03,296 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 196 transitions. Word has length 15 [2024-11-13 12:47:03,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:03,297 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 196 transitions. [2024-11-13 12:47:03,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 12:47:03,297 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 196 transitions. [2024-11-13 12:47:03,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 12:47:03,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:03,298 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:47:03,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 12:47:03,299 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:03,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:03,299 INFO L85 PathProgramCache]: Analyzing trace with hash -432378939, now seen corresponding path program 1 times [2024-11-13 12:47:03,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:03,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633085304] [2024-11-13 12:47:03,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:03,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:03,328 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 12:47:03,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:03,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633085304] [2024-11-13 12:47:03,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633085304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:03,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:03,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:47:03,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756710471] [2024-11-13 12:47:03,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:03,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:03,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:03,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:03,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,330 INFO L87 Difference]: Start difference. First operand 134 states and 196 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 12:47:03,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:03,341 INFO L93 Difference]: Finished difference Result 161 states and 234 transitions. [2024-11-13 12:47:03,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:03,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) Word has length 15 [2024-11-13 12:47:03,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:03,343 INFO L225 Difference]: With dead ends: 161 [2024-11-13 12:47:03,343 INFO L226 Difference]: Without dead ends: 161 [2024-11-13 12:47:03,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,343 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 18 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:03,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 83 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:03,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-13 12:47:03,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 134. [2024-11-13 12:47:03,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.443609022556391) internal successors, (192), 133 states have internal predecessors, (192), 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 12:47:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2024-11-13 12:47:03,351 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 192 transitions. Word has length 15 [2024-11-13 12:47:03,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:03,352 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 192 transitions. [2024-11-13 12:47:03,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 12:47:03,352 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2024-11-13 12:47:03,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 12:47:03,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:03,353 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:47:03,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 12:47:03,354 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:03,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:03,354 INFO L85 PathProgramCache]: Analyzing trace with hash -905190322, now seen corresponding path program 1 times [2024-11-13 12:47:03,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:03,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055252223] [2024-11-13 12:47:03,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:03,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:03,383 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 12:47:03,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:03,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055252223] [2024-11-13 12:47:03,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055252223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:03,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:03,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:47:03,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984131057] [2024-11-13 12:47:03,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:03,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:03,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:03,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:03,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,385 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 12:47:03,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:03,399 INFO L93 Difference]: Finished difference Result 229 states and 322 transitions. [2024-11-13 12:47:03,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:03,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) Word has length 16 [2024-11-13 12:47:03,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:03,401 INFO L225 Difference]: With dead ends: 229 [2024-11-13 12:47:03,401 INFO L226 Difference]: Without dead ends: 229 [2024-11-13 12:47:03,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,402 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 15 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:03,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 64 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:03,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-13 12:47:03,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 194. [2024-11-13 12:47:03,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 193 states have (on average 1.4093264248704662) internal successors, (272), 193 states have internal predecessors, (272), 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 12:47:03,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 272 transitions. [2024-11-13 12:47:03,412 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 272 transitions. Word has length 16 [2024-11-13 12:47:03,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:03,413 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 272 transitions. [2024-11-13 12:47:03,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 12:47:03,413 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 272 transitions. [2024-11-13 12:47:03,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 12:47:03,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:03,414 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:47:03,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 12:47:03,414 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:03,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:03,415 INFO L85 PathProgramCache]: Analyzing trace with hash -225131952, now seen corresponding path program 1 times [2024-11-13 12:47:03,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:03,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142646522] [2024-11-13 12:47:03,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:03,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:03,456 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 12:47:03,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:03,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142646522] [2024-11-13 12:47:03,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142646522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:03,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:03,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:47:03,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499821998] [2024-11-13 12:47:03,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:03,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:03,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:03,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:03,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,458 INFO L87 Difference]: Start difference. First operand 194 states and 272 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 12:47:03,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:03,479 INFO L93 Difference]: Finished difference Result 253 states and 334 transitions. [2024-11-13 12:47:03,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:03,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) Word has length 16 [2024-11-13 12:47:03,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:03,482 INFO L225 Difference]: With dead ends: 253 [2024-11-13 12:47:03,482 INFO L226 Difference]: Without dead ends: 253 [2024-11-13 12:47:03,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,483 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 21 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:03,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 78 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:03,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-13 12:47:03,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 250. [2024-11-13 12:47:03,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 249 states have (on average 1.3333333333333333) internal successors, (332), 249 states have internal predecessors, (332), 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 12:47:03,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 332 transitions. [2024-11-13 12:47:03,496 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 332 transitions. Word has length 16 [2024-11-13 12:47:03,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:03,496 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 332 transitions. [2024-11-13 12:47:03,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 12:47:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 332 transitions. [2024-11-13 12:47:03,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 12:47:03,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:03,498 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:47:03,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 12:47:03,498 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:03,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:03,499 INFO L85 PathProgramCache]: Analyzing trace with hash 2010563570, now seen corresponding path program 1 times [2024-11-13 12:47:03,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:03,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196317442] [2024-11-13 12:47:03,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:03,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:03,524 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 12:47:03,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:03,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196317442] [2024-11-13 12:47:03,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196317442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:03,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:03,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:47:03,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373096184] [2024-11-13 12:47:03,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:03,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:03,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:03,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:03,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,527 INFO L87 Difference]: Start difference. First operand 250 states and 332 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 12:47:03,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:03,554 INFO L93 Difference]: Finished difference Result 265 states and 342 transitions. [2024-11-13 12:47:03,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:03,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) Word has length 17 [2024-11-13 12:47:03,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:03,556 INFO L225 Difference]: With dead ends: 265 [2024-11-13 12:47:03,556 INFO L226 Difference]: Without dead ends: 265 [2024-11-13 12:47:03,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,557 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 23 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:03,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 71 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:03,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-13 12:47:03,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 262. [2024-11-13 12:47:03,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 261 states have (on average 1.3026819923371646) internal successors, (340), 261 states have internal predecessors, (340), 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 12:47:03,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 340 transitions. [2024-11-13 12:47:03,568 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 340 transitions. Word has length 17 [2024-11-13 12:47:03,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:03,568 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 340 transitions. [2024-11-13 12:47:03,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 12:47:03,568 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 340 transitions. [2024-11-13 12:47:03,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 12:47:03,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:03,570 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:47:03,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 12:47:03,570 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:03,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:03,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1617536560, now seen corresponding path program 1 times [2024-11-13 12:47:03,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:03,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788567782] [2024-11-13 12:47:03,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:03,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:03,596 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 12:47:03,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:03,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788567782] [2024-11-13 12:47:03,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788567782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:03,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:03,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:47:03,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80841389] [2024-11-13 12:47:03,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:03,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:03,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:03,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:03,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,598 INFO L87 Difference]: Start difference. First operand 262 states and 340 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 12:47:03,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:03,612 INFO L93 Difference]: Finished difference Result 422 states and 524 transitions. [2024-11-13 12:47:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:03,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) Word has length 17 [2024-11-13 12:47:03,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:03,615 INFO L225 Difference]: With dead ends: 422 [2024-11-13 12:47:03,615 INFO L226 Difference]: Without dead ends: 422 [2024-11-13 12:47:03,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,616 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 10 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:03,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 60 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:03,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-13 12:47:03,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 390. [2024-11-13 12:47:03,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 389 states have (on average 1.2647814910025708) internal successors, (492), 389 states have internal predecessors, (492), 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 12:47:03,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 492 transitions. [2024-11-13 12:47:03,631 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 492 transitions. Word has length 17 [2024-11-13 12:47:03,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:03,632 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 492 transitions. [2024-11-13 12:47:03,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 12:47:03,632 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 492 transitions. [2024-11-13 12:47:03,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 12:47:03,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:47:03,633 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:47:03,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 12:47:03,634 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 12:47:03,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:47:03,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1997372366, now seen corresponding path program 1 times [2024-11-13 12:47:03,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:47:03,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339146908] [2024-11-13 12:47:03,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:47:03,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:47:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:47:03,667 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 12:47:03,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:47:03,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339146908] [2024-11-13 12:47:03,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339146908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:47:03,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:47:03,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:47:03,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103310094] [2024-11-13 12:47:03,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:47:03,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:47:03,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:47:03,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:47:03,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,671 INFO L87 Difference]: Start difference. First operand 390 states and 492 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 12:47:03,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:47:03,687 INFO L93 Difference]: Finished difference Result 483 states and 562 transitions. [2024-11-13 12:47:03,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:47:03,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) Word has length 17 [2024-11-13 12:47:03,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:47:03,688 INFO L225 Difference]: With dead ends: 483 [2024-11-13 12:47:03,688 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 12:47:03,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:47:03,689 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 18 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:47:03,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 75 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:47:03,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 12:47:03,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 12:47:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 12:47:03,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 12:47:03,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2024-11-13 12:47:03,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:47:03,690 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 12:47:03,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 12:47:03,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 12:47:03,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 12:47:03,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2024-11-13 12:47:03,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2024-11-13 12:47:03,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 12:47:03,698 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:47:03,701 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 12:47:03,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:47:03 BoogieIcfgContainer [2024-11-13 12:47:03,706 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:47:03,706 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:47:03,706 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:47:03,707 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:47:03,707 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:47:01" (3/4) ... [2024-11-13 12:47:03,710 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 12:47:03,747 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 12:47:03,747 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 12:47:03,747 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 12:47:03,748 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 12:47:03,838 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 12:47:03,839 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 12:47:03,839 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:47:03,840 INFO L158 Benchmark]: Toolchain (without parser) took 2556.14ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 88.0MB in the end (delta: 4.8MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2024-11-13 12:47:03,840 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:47:03,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.36ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:47:03,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.40ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:47:03,841 INFO L158 Benchmark]: Boogie Preprocessor took 40.51ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:47:03,842 INFO L158 Benchmark]: RCFGBuilder took 342.71ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 68.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:47:03,842 INFO L158 Benchmark]: TraceAbstraction took 1738.77ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 34.3MB in the end (delta: 33.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-11-13 12:47:03,843 INFO L158 Benchmark]: Witness Printer took 132.68ms. Allocated memory is still 117.4MB. Free memory was 34.3MB in the beginning and 88.0MB in the end (delta: -53.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-13 12:47:03,845 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.36ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.40ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.51ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 342.71ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 68.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1738.77ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 34.3MB in the end (delta: 33.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Witness Printer took 132.68ms. Allocated memory is still 117.4MB. Free memory was 34.3MB in the beginning and 88.0MB in the end (delta: -53.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 3]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 304 mSDsluCounter, 1031 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 366 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 665 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred in iteration=14, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 147 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 12:47:03,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d0d540c-28dc-41b4-a028-55043c31bedb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE