./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3365f1635b74f6a53afd889ed9f5ab40e7b8a98b6d57619b7925d1a2f204728 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:38:05,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:38:05,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:38:05,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:38:05,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:38:05,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:38:05,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:38:05,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:38:05,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:38:05,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:38:05,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:38:05,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:38:05,669 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:38:05,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:38:05,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:38:05,670 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:38:05,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:38:05,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:38:05,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:38:05,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:38:05,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:38:05,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:38:05,675 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:38:05,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:38:05,676 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:38:05,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:38:05,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:38:05,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:38:05,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:38:05,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:38:05,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:38:05,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:38:05,681 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:38:05,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:38:05,682 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:38:05,682 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:38:05,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:38:05,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:38:05,683 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:38:05,683 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3365f1635b74f6a53afd889ed9f5ab40e7b8a98b6d57619b7925d1a2f204728 [2023-11-06 22:38:06,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:38:06,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:38:06,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:38:06,082 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:38:06,082 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:38:06,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2023-11-06 22:38:09,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:38:09,730 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:38:09,745 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2023-11-06 22:38:09,768 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/data/a383dff14/f23b82af013445248a0e67e36ba242b9/FLAGad327ac3d [2023-11-06 22:38:09,788 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/data/a383dff14/f23b82af013445248a0e67e36ba242b9 [2023-11-06 22:38:09,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:38:09,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:38:09,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:38:09,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:38:09,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:38:09,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:09" (1/1) ... [2023-11-06 22:38:09,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689cc6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:09, skipping insertion in model container [2023-11-06 22:38:09,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:38:09" (1/1) ... [2023-11-06 22:38:09,883 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:38:10,137 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/sv-benchmarks/c/eca-rers2012/Problem10_label59.c[7385,7398] [2023-11-06 22:38:10,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:38:10,306 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:38:10,338 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/sv-benchmarks/c/eca-rers2012/Problem10_label59.c[7385,7398] [2023-11-06 22:38:10,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:38:10,416 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:38:10,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:10 WrapperNode [2023-11-06 22:38:10,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:38:10,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:38:10,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:38:10,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:38:10,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:10" (1/1) ... [2023-11-06 22:38:10,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:10" (1/1) ... [2023-11-06 22:38:10,540 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 598 [2023-11-06 22:38:10,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:38:10,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:38:10,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:38:10,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:38:10,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:10" (1/1) ... [2023-11-06 22:38:10,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:10" (1/1) ... [2023-11-06 22:38:10,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:10" (1/1) ... [2023-11-06 22:38:10,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:10" (1/1) ... [2023-11-06 22:38:10,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:10" (1/1) ... [2023-11-06 22:38:10,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:10" (1/1) ... [2023-11-06 22:38:10,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:10" (1/1) ... [2023-11-06 22:38:10,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:10" (1/1) ... [2023-11-06 22:38:10,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:38:10,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:38:10,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:38:10,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:38:10,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:10" (1/1) ... [2023-11-06 22:38:10,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:38:10,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:10,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:38:10,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:38:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:38:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:38:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:38:10,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:38:10,848 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:38:10,854 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:38:12,193 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:38:12,209 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:38:12,210 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:38:12,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:12 BoogieIcfgContainer [2023-11-06 22:38:12,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:38:12,218 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:38:12,218 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:38:12,223 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:38:12,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:38:09" (1/3) ... [2023-11-06 22:38:12,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f9bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:12, skipping insertion in model container [2023-11-06 22:38:12,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:38:10" (2/3) ... [2023-11-06 22:38:12,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f9bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:38:12, skipping insertion in model container [2023-11-06 22:38:12,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:12" (3/3) ... [2023-11-06 22:38:12,232 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label59.c [2023-11-06 22:38:12,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:38:12,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:38:12,344 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:38:12,352 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@19c17144, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:38:12,352 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:38:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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) [2023-11-06 22:38:12,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-06 22:38:12,371 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:12,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:12,372 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:12,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:12,377 INFO L85 PathProgramCache]: Analyzing trace with hash 962891993, now seen corresponding path program 1 times [2023-11-06 22:38:12,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:12,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622652702] [2023-11-06 22:38:12,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:12,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:12,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:12,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622652702] [2023-11-06 22:38:12,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622652702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:12,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:12,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:38:12,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834809347] [2023-11-06 22:38:12,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:12,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:12,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:13,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:13,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:13,044 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 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) [2023-11-06 22:38:14,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:14,167 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2023-11-06 22:38:14,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:14,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 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) Word has length 65 [2023-11-06 22:38:14,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:14,185 INFO L225 Difference]: With dead ends: 567 [2023-11-06 22:38:14,186 INFO L226 Difference]: Without dead ends: 282 [2023-11-06 22:38:14,191 INFO L412 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 [2023-11-06 22:38:14,195 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 135 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:14,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 32 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:38:14,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-06 22:38:14,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2023-11-06 22:38:14,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.5373665480427046) internal successors, (432), 281 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:38:14,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2023-11-06 22:38:14,270 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 65 [2023-11-06 22:38:14,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:14,271 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2023-11-06 22:38:14,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 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) [2023-11-06 22:38:14,271 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2023-11-06 22:38:14,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-06 22:38:14,279 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:14,280 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:14,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:38:14,280 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:14,281 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:14,281 INFO L85 PathProgramCache]: Analyzing trace with hash -2138327860, now seen corresponding path program 1 times [2023-11-06 22:38:14,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:14,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597175009] [2023-11-06 22:38:14,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:14,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:14,599 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:14,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:14,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597175009] [2023-11-06 22:38:14,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597175009] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:14,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:14,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:14,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644314531] [2023-11-06 22:38:14,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:14,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:14,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:14,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:14,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:14,605 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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) [2023-11-06 22:38:15,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:15,367 INFO L93 Difference]: Finished difference Result 840 states and 1291 transitions. [2023-11-06 22:38:15,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:15,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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 131 [2023-11-06 22:38:15,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:15,377 INFO L225 Difference]: With dead ends: 840 [2023-11-06 22:38:15,377 INFO L226 Difference]: Without dead ends: 560 [2023-11-06 22:38:15,379 INFO L412 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 [2023-11-06 22:38:15,381 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 77 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:15,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 226 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:38:15,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2023-11-06 22:38:15,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2023-11-06 22:38:15,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3059033989266546) internal successors, (730), 559 states have internal predecessors, (730), 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) [2023-11-06 22:38:15,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2023-11-06 22:38:15,434 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 131 [2023-11-06 22:38:15,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:15,436 INFO L495 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2023-11-06 22:38:15,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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) [2023-11-06 22:38:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2023-11-06 22:38:15,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-06 22:38:15,440 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:15,441 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:15,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:38:15,441 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:15,442 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:15,442 INFO L85 PathProgramCache]: Analyzing trace with hash -675083717, now seen corresponding path program 1 times [2023-11-06 22:38:15,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:15,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628341592] [2023-11-06 22:38:15,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:15,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:15,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:15,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628341592] [2023-11-06 22:38:15,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628341592] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:15,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:15,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:38:15,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942322008] [2023-11-06 22:38:15,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:15,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:15,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:15,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:15,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:15,897 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:38:16,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:16,654 INFO L93 Difference]: Finished difference Result 1257 states and 1672 transitions. [2023-11-06 22:38:16,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:16,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2023-11-06 22:38:16,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:16,660 INFO L225 Difference]: With dead ends: 1257 [2023-11-06 22:38:16,660 INFO L226 Difference]: Without dead ends: 699 [2023-11-06 22:38:16,666 INFO L412 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 [2023-11-06 22:38:16,670 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 69 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:16,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 52 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:38:16,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2023-11-06 22:38:16,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2023-11-06 22:38:16,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2951289398280803) internal successors, (904), 698 states have internal predecessors, (904), 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) [2023-11-06 22:38:16,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 904 transitions. [2023-11-06 22:38:16,712 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 904 transitions. Word has length 138 [2023-11-06 22:38:16,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:16,721 INFO L495 AbstractCegarLoop]: Abstraction has 699 states and 904 transitions. [2023-11-06 22:38:16,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:38:16,722 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 904 transitions. [2023-11-06 22:38:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:38:16,736 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:16,738 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:16,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:38:16,739 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:16,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:16,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1097584517, now seen corresponding path program 1 times [2023-11-06 22:38:16,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:16,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082837298] [2023-11-06 22:38:16,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:16,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:16,977 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:16,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:16,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082837298] [2023-11-06 22:38:16,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082837298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:16,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:16,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:38:16,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359476578] [2023-11-06 22:38:16,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:16,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:16,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:16,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:16,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:16,982 INFO L87 Difference]: Start difference. First operand 699 states and 904 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 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) [2023-11-06 22:38:17,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:17,702 INFO L93 Difference]: Finished difference Result 1674 states and 2235 transitions. [2023-11-06 22:38:17,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:17,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 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 142 [2023-11-06 22:38:17,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:17,714 INFO L225 Difference]: With dead ends: 1674 [2023-11-06 22:38:17,714 INFO L226 Difference]: Without dead ends: 977 [2023-11-06 22:38:17,715 INFO L412 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 [2023-11-06 22:38:17,717 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 70 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:17,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 75 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:38:17,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2023-11-06 22:38:17,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2023-11-06 22:38:17,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.2274590163934427) internal successors, (1198), 976 states have internal predecessors, (1198), 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) [2023-11-06 22:38:17,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1198 transitions. [2023-11-06 22:38:17,755 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1198 transitions. Word has length 142 [2023-11-06 22:38:17,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:17,757 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1198 transitions. [2023-11-06 22:38:17,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 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) [2023-11-06 22:38:17,759 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1198 transitions. [2023-11-06 22:38:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:38:17,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:17,763 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:17,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:38:17,763 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:17,764 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:17,765 INFO L85 PathProgramCache]: Analyzing trace with hash -466379074, now seen corresponding path program 1 times [2023-11-06 22:38:17,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:17,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399197876] [2023-11-06 22:38:17,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:17,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:18,274 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:18,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:18,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399197876] [2023-11-06 22:38:18,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399197876] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:18,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:18,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:18,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543669772] [2023-11-06 22:38:18,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:18,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:38:18,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:18,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:38:18,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:38:18,278 INFO L87 Difference]: Start difference. First operand 977 states and 1198 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 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) [2023-11-06 22:38:19,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:19,040 INFO L93 Difference]: Finished difference Result 1819 states and 2251 transitions. [2023-11-06 22:38:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:38:19,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 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 152 [2023-11-06 22:38:19,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:19,047 INFO L225 Difference]: With dead ends: 1819 [2023-11-06 22:38:19,047 INFO L226 Difference]: Without dead ends: 983 [2023-11-06 22:38:19,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:38:19,050 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 132 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:19,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 89 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:38:19,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2023-11-06 22:38:19,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 977. [2023-11-06 22:38:19,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.2223360655737705) internal successors, (1193), 976 states have internal predecessors, (1193), 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) [2023-11-06 22:38:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1193 transitions. [2023-11-06 22:38:19,083 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1193 transitions. Word has length 152 [2023-11-06 22:38:19,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:19,083 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1193 transitions. [2023-11-06 22:38:19,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 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) [2023-11-06 22:38:19,084 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1193 transitions. [2023-11-06 22:38:19,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-06 22:38:19,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:19,088 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:19,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:38:19,089 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:19,090 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:19,090 INFO L85 PathProgramCache]: Analyzing trace with hash -354141657, now seen corresponding path program 1 times [2023-11-06 22:38:19,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:19,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108629420] [2023-11-06 22:38:19,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:19,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 125 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:19,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:19,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108629420] [2023-11-06 22:38:19,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108629420] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:38:19,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736654329] [2023-11-06 22:38:19,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:19,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:19,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:19,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:19,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:38:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:19,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:38:19,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 127 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:20,191 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:38:20,579 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 127 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:20,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736654329] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:38:20,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:38:20,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-11-06 22:38:20,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965354321] [2023-11-06 22:38:20,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:38:20,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:38:20,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:20,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:38:20,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:38:20,588 INFO L87 Difference]: Start difference. First operand 977 states and 1193 transitions. Second operand has 9 states, 9 states have (on average 63.44444444444444) internal successors, (571), 9 states have internal predecessors, (571), 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) [2023-11-06 22:38:24,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:24,446 INFO L93 Difference]: Finished difference Result 4037 states and 5311 transitions. [2023-11-06 22:38:24,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:38:24,446 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 63.44444444444444) internal successors, (571), 9 states have internal predecessors, (571), 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 213 [2023-11-06 22:38:24,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:24,464 INFO L225 Difference]: With dead ends: 4037 [2023-11-06 22:38:24,465 INFO L226 Difference]: Without dead ends: 3201 [2023-11-06 22:38:24,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:38:24,468 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 1166 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 2441 mSolverCounterSat, 799 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 3240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 799 IncrementalHoareTripleChecker+Valid, 2441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:24,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1166 Valid, 52 Invalid, 3240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [799 Valid, 2441 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-06 22:38:24,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3201 states. [2023-11-06 22:38:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3201 to 2089. [2023-11-06 22:38:24,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.26772030651341) internal successors, (2647), 2088 states have internal predecessors, (2647), 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) [2023-11-06 22:38:24,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2647 transitions. [2023-11-06 22:38:24,577 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2647 transitions. Word has length 213 [2023-11-06 22:38:24,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:24,577 INFO L495 AbstractCegarLoop]: Abstraction has 2089 states and 2647 transitions. [2023-11-06 22:38:24,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 63.44444444444444) internal successors, (571), 9 states have internal predecessors, (571), 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) [2023-11-06 22:38:24,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2647 transitions. [2023-11-06 22:38:24,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-06 22:38:24,583 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:24,584 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:24,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:24,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:24,789 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:24,790 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:24,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1412343006, now seen corresponding path program 1 times [2023-11-06 22:38:24,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:24,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758567910] [2023-11-06 22:38:24,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:24,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-06 22:38:25,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:25,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758567910] [2023-11-06 22:38:25,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758567910] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:25,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:25,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:38:25,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191300490] [2023-11-06 22:38:25,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:25,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:38:25,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:25,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:38:25,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:38:25,414 INFO L87 Difference]: Start difference. First operand 2089 states and 2647 transitions. Second operand has 7 states, 7 states have (on average 30.0) internal successors, (210), 6 states have internal predecessors, (210), 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) [2023-11-06 22:38:26,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:26,215 INFO L93 Difference]: Finished difference Result 4092 states and 5203 transitions. [2023-11-06 22:38:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:38:26,216 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 30.0) internal successors, (210), 6 states have internal predecessors, (210), 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 217 [2023-11-06 22:38:26,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:26,227 INFO L225 Difference]: With dead ends: 4092 [2023-11-06 22:38:26,227 INFO L226 Difference]: Without dead ends: 2089 [2023-11-06 22:38:26,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:38:26,231 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 142 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:26,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 33 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:38:26,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2023-11-06 22:38:26,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2023-11-06 22:38:26,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.2634099616858236) internal successors, (2638), 2088 states have internal predecessors, (2638), 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) [2023-11-06 22:38:26,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2638 transitions. [2023-11-06 22:38:26,292 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2638 transitions. Word has length 217 [2023-11-06 22:38:26,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:26,293 INFO L495 AbstractCegarLoop]: Abstraction has 2089 states and 2638 transitions. [2023-11-06 22:38:26,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.0) internal successors, (210), 6 states have internal predecessors, (210), 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) [2023-11-06 22:38:26,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2638 transitions. [2023-11-06 22:38:26,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-11-06 22:38:26,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:26,299 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:26,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:38:26,299 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:26,300 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:26,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1299344947, now seen corresponding path program 1 times [2023-11-06 22:38:26,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:26,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092029793] [2023-11-06 22:38:26,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:26,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:27,056 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 63 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:27,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:27,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092029793] [2023-11-06 22:38:27,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092029793] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:38:27,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679261848] [2023-11-06 22:38:27,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:27,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:27,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:27,061 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:27,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:38:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:27,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:38:27,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:27,340 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-06 22:38:27,341 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:27,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679261848] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:27,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:38:27,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-06 22:38:27,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440088515] [2023-11-06 22:38:27,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:27,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:27,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:27,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:27,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:38:27,344 INFO L87 Difference]: Start difference. First operand 2089 states and 2638 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2023-11-06 22:38:27,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:27,923 INFO L93 Difference]: Finished difference Result 4037 states and 5131 transitions. [2023-11-06 22:38:27,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:27,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 259 [2023-11-06 22:38:27,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:27,936 INFO L225 Difference]: With dead ends: 4037 [2023-11-06 22:38:27,936 INFO L226 Difference]: Without dead ends: 2089 [2023-11-06 22:38:27,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:38:27,942 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 77 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:27,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 225 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:38:27,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2023-11-06 22:38:27,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2023-11-06 22:38:28,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.1992337164750957) internal successors, (2504), 2088 states have internal predecessors, (2504), 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) [2023-11-06 22:38:28,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2504 transitions. [2023-11-06 22:38:28,012 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2504 transitions. Word has length 259 [2023-11-06 22:38:28,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:28,012 INFO L495 AbstractCegarLoop]: Abstraction has 2089 states and 2504 transitions. [2023-11-06 22:38:28,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2023-11-06 22:38:28,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2504 transitions. [2023-11-06 22:38:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-06 22:38:28,019 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:28,019 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:28,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:28,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-06 22:38:28,225 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:28,225 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:28,226 INFO L85 PathProgramCache]: Analyzing trace with hash -883397783, now seen corresponding path program 1 times [2023-11-06 22:38:28,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:28,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955641593] [2023-11-06 22:38:28,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:28,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:28,826 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 125 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:28,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:28,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955641593] [2023-11-06 22:38:28,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955641593] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:38:28,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052510969] [2023-11-06 22:38:28,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:28,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:28,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:28,830 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:28,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:38:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:28,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:38:28,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-06 22:38:29,238 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:29,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052510969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:29,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:38:29,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-06 22:38:29,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002443877] [2023-11-06 22:38:29,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:29,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:29,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:29,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:29,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:38:29,242 INFO L87 Difference]: Start difference. First operand 2089 states and 2504 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 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) [2023-11-06 22:38:29,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:29,832 INFO L93 Difference]: Finished difference Result 4732 states and 5731 transitions. [2023-11-06 22:38:29,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:29,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 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 266 [2023-11-06 22:38:29,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:29,848 INFO L225 Difference]: With dead ends: 4732 [2023-11-06 22:38:29,849 INFO L226 Difference]: Without dead ends: 2784 [2023-11-06 22:38:29,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:38:29,854 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 64 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:29,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 35 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:38:29,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2023-11-06 22:38:29,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2784. [2023-11-06 22:38:29,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 2783 states have (on average 1.1595400646784046) internal successors, (3227), 2783 states have internal predecessors, (3227), 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) [2023-11-06 22:38:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 3227 transitions. [2023-11-06 22:38:29,939 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 3227 transitions. Word has length 266 [2023-11-06 22:38:29,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:29,940 INFO L495 AbstractCegarLoop]: Abstraction has 2784 states and 3227 transitions. [2023-11-06 22:38:29,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 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) [2023-11-06 22:38:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3227 transitions. [2023-11-06 22:38:29,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-11-06 22:38:29,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:29,947 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:29,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:30,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:30,154 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:30,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:30,155 INFO L85 PathProgramCache]: Analyzing trace with hash -574209587, now seen corresponding path program 1 times [2023-11-06 22:38:30,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:30,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789396686] [2023-11-06 22:38:30,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:30,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-06 22:38:30,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:30,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789396686] [2023-11-06 22:38:30,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789396686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:30,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:30,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:30,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584825668] [2023-11-06 22:38:30,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:30,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:30,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:30,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:30,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:30,492 INFO L87 Difference]: Start difference. First operand 2784 states and 3227 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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) [2023-11-06 22:38:31,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:31,054 INFO L93 Difference]: Finished difference Result 5427 states and 6309 transitions. [2023-11-06 22:38:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:31,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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 275 [2023-11-06 22:38:31,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:31,069 INFO L225 Difference]: With dead ends: 5427 [2023-11-06 22:38:31,069 INFO L226 Difference]: Without dead ends: 2784 [2023-11-06 22:38:31,072 INFO L412 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 [2023-11-06 22:38:31,073 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 83 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:31,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 200 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:38:31,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2023-11-06 22:38:31,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2506. [2023-11-06 22:38:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2506 states, 2505 states have (on average 1.1261477045908184) internal successors, (2821), 2505 states have internal predecessors, (2821), 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) [2023-11-06 22:38:31,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 2821 transitions. [2023-11-06 22:38:31,145 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 2821 transitions. Word has length 275 [2023-11-06 22:38:31,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:31,146 INFO L495 AbstractCegarLoop]: Abstraction has 2506 states and 2821 transitions. [2023-11-06 22:38:31,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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) [2023-11-06 22:38:31,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 2821 transitions. [2023-11-06 22:38:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-11-06 22:38:31,153 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:31,153 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:31,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:38:31,154 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:31,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:31,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1001154550, now seen corresponding path program 1 times [2023-11-06 22:38:31,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:31,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103306866] [2023-11-06 22:38:31,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:31,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:31,703 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-06 22:38:31,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:31,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103306866] [2023-11-06 22:38:31,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103306866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:31,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:31,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:31,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848845629] [2023-11-06 22:38:31,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:31,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:31,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:31,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:31,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:31,706 INFO L87 Difference]: Start difference. First operand 2506 states and 2821 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2023-11-06 22:38:32,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:32,297 INFO L93 Difference]: Finished difference Result 4871 states and 5497 transitions. [2023-11-06 22:38:32,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:32,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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 281 [2023-11-06 22:38:32,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:32,311 INFO L225 Difference]: With dead ends: 4871 [2023-11-06 22:38:32,311 INFO L226 Difference]: Without dead ends: 2506 [2023-11-06 22:38:32,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:32,315 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 99 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:32,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 159 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:38:32,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2023-11-06 22:38:32,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2367. [2023-11-06 22:38:32,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2367 states, 2366 states have (on average 1.1132713440405748) internal successors, (2634), 2366 states have internal predecessors, (2634), 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) [2023-11-06 22:38:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2634 transitions. [2023-11-06 22:38:32,378 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2634 transitions. Word has length 281 [2023-11-06 22:38:32,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:32,379 INFO L495 AbstractCegarLoop]: Abstraction has 2367 states and 2634 transitions. [2023-11-06 22:38:32,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2023-11-06 22:38:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2634 transitions. [2023-11-06 22:38:32,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2023-11-06 22:38:32,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:32,391 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:32,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:38:32,391 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:32,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:32,392 INFO L85 PathProgramCache]: Analyzing trace with hash 352328165, now seen corresponding path program 1 times [2023-11-06 22:38:32,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:32,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813036318] [2023-11-06 22:38:32,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:32,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:33,174 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-06 22:38:33,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:33,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813036318] [2023-11-06 22:38:33,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813036318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:33,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:33,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:38:33,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40112623] [2023-11-06 22:38:33,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:33,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:38:33,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:33,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:38:33,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:38:33,178 INFO L87 Difference]: Start difference. First operand 2367 states and 2634 transitions. Second operand has 4 states, 4 states have (on average 65.0) internal successors, (260), 4 states have internal predecessors, (260), 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) [2023-11-06 22:38:34,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:34,151 INFO L93 Difference]: Finished difference Result 5010 states and 5565 transitions. [2023-11-06 22:38:34,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:38:34,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.0) internal successors, (260), 4 states have internal predecessors, (260), 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 363 [2023-11-06 22:38:34,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:34,166 INFO L225 Difference]: With dead ends: 5010 [2023-11-06 22:38:34,166 INFO L226 Difference]: Without dead ends: 2784 [2023-11-06 22:38:34,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:38:34,170 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 159 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:34,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 17 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:38:34,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2023-11-06 22:38:34,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2228. [2023-11-06 22:38:34,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2228 states, 2227 states have (on average 1.1001347103726986) internal successors, (2450), 2227 states have internal predecessors, (2450), 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) [2023-11-06 22:38:34,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2450 transitions. [2023-11-06 22:38:34,232 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2450 transitions. Word has length 363 [2023-11-06 22:38:34,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:34,233 INFO L495 AbstractCegarLoop]: Abstraction has 2228 states and 2450 transitions. [2023-11-06 22:38:34,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.0) internal successors, (260), 4 states have internal predecessors, (260), 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) [2023-11-06 22:38:34,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2450 transitions. [2023-11-06 22:38:34,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2023-11-06 22:38:34,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:34,243 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:34,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:38:34,244 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:38:34,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:34,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1789996429, now seen corresponding path program 1 times [2023-11-06 22:38:34,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:34,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668062358] [2023-11-06 22:38:34,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:34,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:35,034 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2023-11-06 22:38:35,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:35,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668062358] [2023-11-06 22:38:35,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668062358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:35,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:35,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:38:35,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292772827] [2023-11-06 22:38:35,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:35,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:38:35,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:35,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:38:35,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:38:35,038 INFO L87 Difference]: Start difference. First operand 2228 states and 2450 transitions. Second operand has 7 states, 7 states have (on average 27.142857142857142) internal successors, (190), 6 states have internal predecessors, (190), 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) [2023-11-06 22:38:35,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:35,680 INFO L93 Difference]: Finished difference Result 4231 states and 4662 transitions. [2023-11-06 22:38:35,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:38:35,681 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.142857142857142) internal successors, (190), 6 states have internal predecessors, (190), 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 379 [2023-11-06 22:38:35,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:35,682 INFO L225 Difference]: With dead ends: 4231 [2023-11-06 22:38:35,682 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:38:35,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:38:35,687 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 89 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:35,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 22 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:38:35,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:38:35,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:38:35,688 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) [2023-11-06 22:38:35,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:38:35,689 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 379 [2023-11-06 22:38:35,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:35,689 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:38:35,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.142857142857142) internal successors, (190), 6 states have internal predecessors, (190), 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) [2023-11-06 22:38:35,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:38:35,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:38:35,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:38:35,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:38:35,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:38:36,242 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-11-06 22:38:36,242 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-11-06 22:38:36,242 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-11-06 22:38:36,242 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-11-06 22:38:36,242 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-11-06 22:38:36,243 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-11-06 22:38:36,243 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,243 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,243 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,243 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,243 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,243 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,243 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-11-06 22:38:36,243 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-11-06 22:38:36,244 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-11-06 22:38:36,244 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-11-06 22:38:36,250 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-11-06 22:38:36,251 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-11-06 22:38:36,251 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-11-06 22:38:36,251 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-11-06 22:38:36,251 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-11-06 22:38:36,252 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-11-06 22:38:36,253 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-11-06 22:38:36,253 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-11-06 22:38:36,253 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-11-06 22:38:36,253 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,254 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,254 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,254 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,254 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,254 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,254 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-11-06 22:38:36,255 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-11-06 22:38:36,255 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-11-06 22:38:36,255 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-11-06 22:38:36,255 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-11-06 22:38:36,255 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-11-06 22:38:36,255 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-11-06 22:38:36,256 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-11-06 22:38:36,256 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-11-06 22:38:36,256 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-11-06 22:38:36,257 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-11-06 22:38:36,257 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-11-06 22:38:36,257 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,257 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,257 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,257 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,257 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,258 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,258 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-11-06 22:38:36,258 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-11-06 22:38:36,258 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-11-06 22:38:36,258 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-11-06 22:38:36,258 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-11-06 22:38:36,259 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-11-06 22:38:36,259 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-11-06 22:38:36,259 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-11-06 22:38:36,259 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-06 22:38:36,259 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-11-06 22:38:36,259 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-11-06 22:38:36,259 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-11-06 22:38:36,260 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-11-06 22:38:36,260 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,260 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,260 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,260 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,261 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,261 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,261 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-11-06 22:38:36,262 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-11-06 22:38:36,262 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-11-06 22:38:36,262 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-11-06 22:38:36,262 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-11-06 22:38:36,263 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-11-06 22:38:36,263 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-11-06 22:38:36,264 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-11-06 22:38:36,264 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-11-06 22:38:36,264 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-11-06 22:38:36,264 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-11-06 22:38:36,265 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,265 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,265 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,265 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,265 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,265 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-11-06 22:38:36,265 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-11-06 22:38:36,266 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-11-06 22:38:36,266 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-11-06 22:38:36,267 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-11-06 22:38:36,267 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-11-06 22:38:36,267 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-11-06 22:38:36,267 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-11-06 22:38:36,267 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-06 22:38:36,267 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-11-06 22:38:36,267 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-11-06 22:38:36,268 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-11-06 22:38:36,268 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-11-06 22:38:36,268 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-11-06 22:38:36,268 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,268 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,268 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,269 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,269 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,269 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-11-06 22:38:36,269 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-11-06 22:38:36,269 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-11-06 22:38:36,269 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-11-06 22:38:36,269 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-11-06 22:38:36,270 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-06 22:38:36,270 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-11-06 22:38:36,270 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-11-06 22:38:36,270 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-11-06 22:38:36,270 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-11-06 22:38:36,270 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,270 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,271 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,271 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,273 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,273 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-11-06 22:38:36,274 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-11-06 22:38:36,274 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-11-06 22:38:36,274 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-11-06 22:38:36,274 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-11-06 22:38:36,274 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-11-06 22:38:36,274 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-11-06 22:38:36,275 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-11-06 22:38:36,275 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-11-06 22:38:36,275 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-11-06 22:38:36,275 INFO L902 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2023-11-06 22:38:36,276 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-11-06 22:38:36,276 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-11-06 22:38:36,276 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-11-06 22:38:36,276 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:38:36,276 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,276 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,277 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,277 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,277 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,277 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-11-06 22:38:36,277 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-11-06 22:38:36,277 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-11-06 22:38:36,277 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-11-06 22:38:36,278 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-11-06 22:38:36,278 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-11-06 22:38:36,278 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-11-06 22:38:36,278 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-11-06 22:38:36,278 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-11-06 22:38:36,278 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,278 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,279 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,279 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,279 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:38:36,279 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,279 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-11-06 22:38:36,279 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-11-06 22:38:36,280 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-11-06 22:38:36,280 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-11-06 22:38:36,280 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-11-06 22:38:36,280 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-11-06 22:38:36,280 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-11-06 22:38:36,280 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-11-06 22:38:36,280 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-11-06 22:38:36,281 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-11-06 22:38:36,281 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:38:36,281 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-11-06 22:38:36,281 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-11-06 22:38:36,281 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0))) (let ((.cse5 (not .cse0)) (.cse4 (<= ~a19~0 9)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0)) (.cse3 (<= 0 (+ 600000 ~a1~0)))) (or (and .cse0 (<= 0 (+ ~a1~0 12)) .cse1 .cse2) (and .cse0 .cse1 .cse2 .cse3 (<= 10 ~a19~0)) (and .cse4 .cse1 .cse2 .cse5 .cse3) (and .cse1 .cse2 .cse5 .cse3 (<= ~a10~0 2)) (and .cse4 .cse1 (= ~a10~0 2) .cse2) (and .cse1 .cse2 (= ~a19~0 6) .cse3)))) [2023-11-06 22:38:36,281 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-11-06 22:38:36,282 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,282 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,282 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,282 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,282 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-11-06 22:38:36,282 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,283 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,283 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-11-06 22:38:36,283 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-11-06 22:38:36,283 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-11-06 22:38:36,283 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-11-06 22:38:36,283 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-11-06 22:38:36,283 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-11-06 22:38:36,284 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-11-06 22:38:36,284 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-11-06 22:38:36,284 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-11-06 22:38:36,284 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:38:36,284 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 30 584) the Hoare annotation is: (let ((.cse0 (= ~a10~0 0))) (let ((.cse5 (not .cse0)) (.cse4 (<= ~a19~0 9)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0)) (.cse3 (<= 0 (+ 600000 ~a1~0)))) (or (and .cse0 (<= 0 (+ ~a1~0 12)) .cse1 .cse2) (and .cse0 .cse1 .cse2 .cse3 (<= 10 ~a19~0)) (and .cse4 .cse1 .cse2 .cse5 .cse3) (and .cse1 .cse2 .cse5 .cse3 (<= ~a10~0 2)) (and .cse4 .cse1 (= ~a10~0 2) .cse2) (and .cse1 .cse2 (= ~a19~0 6) .cse3)))) [2023-11-06 22:38:36,285 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 209) no Hoare annotation was computed. [2023-11-06 22:38:36,285 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-11-06 22:38:36,285 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-11-06 22:38:36,285 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-11-06 22:38:36,285 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-11-06 22:38:36,285 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,285 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,286 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,286 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,286 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,286 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-11-06 22:38:36,286 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-11-06 22:38:36,286 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-11-06 22:38:36,286 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-11-06 22:38:36,287 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-11-06 22:38:36,287 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-11-06 22:38:36,287 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-11-06 22:38:36,287 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-11-06 22:38:36,287 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-11-06 22:38:36,287 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-06 22:38:36,291 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:36,293 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:38:36,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:38:36 BoogieIcfgContainer [2023-11-06 22:38:36,326 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:38:36,326 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:38:36,326 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:38:36,327 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:38:36,327 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:38:12" (3/4) ... [2023-11-06 22:38:36,329 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:38:36,354 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-06 22:38:36,355 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:38:36,356 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:38:36,358 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:38:36,538 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:38:36,539 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:38:36,539 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:38:36,540 INFO L158 Benchmark]: Toolchain (without parser) took 26743.41ms. Allocated memory was 127.9MB in the beginning and 358.6MB in the end (delta: 230.7MB). Free memory was 96.7MB in the beginning and 302.1MB in the end (delta: -205.4MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-11-06 22:38:36,545 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:38:36,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.94ms. Allocated memory is still 127.9MB. Free memory was 96.4MB in the beginning and 68.8MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 22:38:36,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.12ms. Allocated memory is still 127.9MB. Free memory was 68.8MB in the beginning and 60.8MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:38:36,546 INFO L158 Benchmark]: Boogie Preprocessor took 139.92ms. Allocated memory is still 127.9MB. Free memory was 60.8MB in the beginning and 55.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:38:36,546 INFO L158 Benchmark]: RCFGBuilder took 1532.14ms. Allocated memory is still 127.9MB. Free memory was 55.6MB in the beginning and 66.5MB in the end (delta: -10.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-11-06 22:38:36,547 INFO L158 Benchmark]: TraceAbstraction took 24107.80ms. Allocated memory was 127.9MB in the beginning and 358.6MB in the end (delta: 230.7MB). Free memory was 65.8MB in the beginning and 313.7MB in the end (delta: -247.9MB). Peak memory consumption was 186.6MB. Max. memory is 16.1GB. [2023-11-06 22:38:36,547 INFO L158 Benchmark]: Witness Printer took 213.13ms. Allocated memory is still 358.6MB. Free memory was 312.6MB in the beginning and 302.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:38:36,549 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.94ms. Allocated memory is still 127.9MB. Free memory was 96.4MB in the beginning and 68.8MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.12ms. Allocated memory is still 127.9MB. Free memory was 68.8MB in the beginning and 60.8MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.92ms. Allocated memory is still 127.9MB. Free memory was 60.8MB in the beginning and 55.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1532.14ms. Allocated memory is still 127.9MB. Free memory was 55.6MB in the beginning and 66.5MB in the end (delta: -10.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * TraceAbstraction took 24107.80ms. Allocated memory was 127.9MB in the beginning and 358.6MB in the end (delta: 230.7MB). Free memory was 65.8MB in the beginning and 313.7MB in the end (delta: -247.9MB). Peak memory consumption was 186.6MB. Max. memory is 16.1GB. * Witness Printer took 213.13ms. Allocated memory is still 358.6MB. Free memory was 312.6MB in the beginning and 302.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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: 209]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.0s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2362 SdHoareTripleChecker+Valid, 11.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2362 mSDsluCounter, 1217 SdHoareTripleChecker+Invalid, 9.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 135 mSDsCounter, 1499 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8332 IncrementalHoareTripleChecker+Invalid, 9831 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1499 mSolverCounterUnsat, 1082 mSDtfsCounter, 8332 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1013 GetRequests, 970 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2784occurred in iteration=9, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 2091 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 39 NumberOfFragments, 201 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1016 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 672 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 3619 NumberOfCodeBlocks, 3619 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3815 ConstructedInterpolants, 0 QuantifiedInterpolants, 15494 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1038 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 2779/3203 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 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((a10 == 0) && (0 <= (a1 + 12))) && (14 == a4)) && (a12 == 0)) || (((((a10 == 0) && (14 == a4)) && (a12 == 0)) && (0 <= (600000 + a1))) && (10 <= a19))) || (((((a19 <= 9) && (14 == a4)) && (a12 == 0)) && !((a10 == 0))) && (0 <= (600000 + a1)))) || (((((14 == a4) && (a12 == 0)) && !((a10 == 0))) && (0 <= (600000 + a1))) && (a10 <= 2))) || ((((a19 <= 9) && (14 == a4)) && (a10 == 2)) && (a12 == 0))) || ((((14 == a4) && (a12 == 0)) && (a19 == 6)) && (0 <= (600000 + a1)))) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((((((a10 == 0) && (0 <= (a1 + 12))) && (14 == a4)) && (a12 == 0)) || (((((a10 == 0) && (14 == a4)) && (a12 == 0)) && (0 <= (600000 + a1))) && (10 <= a19))) || (((((a19 <= 9) && (14 == a4)) && (a12 == 0)) && !((a10 == 0))) && (0 <= (600000 + a1)))) || (((((14 == a4) && (a12 == 0)) && !((a10 == 0))) && (0 <= (600000 + a1))) && (a10 <= 2))) || ((((a19 <= 9) && (14 == a4)) && (a10 == 2)) && (a12 == 0))) || ((((14 == a4) && (a12 == 0)) && (a19 == 6)) && (0 <= (600000 + a1)))) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:38:36,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee095787-3049-4b92-be97-40bf6769cf36/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE