./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --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 d4466c84cf3346dae2c632daaf2229efd1401f42fa973f4243eec5185ec47b02 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:10:58,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:10:59,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:10:59,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:10:59,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:10:59,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:10:59,153 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:10:59,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:10:59,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:10:59,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:10:59,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:10:59,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:10:59,162 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:10:59,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:10:59,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:10:59,164 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:10:59,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:10:59,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:10:59,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:10:59,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:10:59,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:10:59,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:10:59,169 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:10:59,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:10:59,170 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:10:59,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:10:59,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:10:59,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:10:59,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:10:59,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:10:59,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:10:59,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:10:59,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:10:59,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:10:59,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:10:59,175 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:10:59,175 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:10:59,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:10:59,176 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:10:59,176 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_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4466c84cf3346dae2c632daaf2229efd1401f42fa973f4243eec5185ec47b02 [2023-11-12 02:10:59,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:10:59,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:10:59,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:10:59,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:10:59,528 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:10:59,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2023-11-12 02:11:02,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:11:03,016 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:11:03,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2023-11-12 02:11:03,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/data/ba7b9ad2b/cf10ea6813e94bdcafeb676d64d4a22a/FLAGd99e4488c [2023-11-12 02:11:03,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/data/ba7b9ad2b/cf10ea6813e94bdcafeb676d64d4a22a [2023-11-12 02:11:03,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:11:03,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:11:03,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:03,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:11:03,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:11:03,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:03" (1/1) ... [2023-11-12 02:11:03,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48adb5e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:03, skipping insertion in model container [2023-11-12 02:11:03,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:03" (1/1) ... [2023-11-12 02:11:03,151 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:11:03,372 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_49262dac-cbb3-457d-a1de-90e78277606e/sv-benchmarks/c/eca-rers2012/Problem14_label03.c[5277,5290] [2023-11-12 02:11:03,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:03,605 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:11:03,632 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_49262dac-cbb3-457d-a1de-90e78277606e/sv-benchmarks/c/eca-rers2012/Problem14_label03.c[5277,5290] [2023-11-12 02:11:03,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:03,814 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:11:03,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:03 WrapperNode [2023-11-12 02:11:03,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:03,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:03,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:11:03,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:11:03,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:03" (1/1) ... [2023-11-12 02:11:03,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:03" (1/1) ... [2023-11-12 02:11:03,987 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 859 [2023-11-12 02:11:03,988 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:03,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:11:03,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:11:03,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:11:03,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:03" (1/1) ... [2023-11-12 02:11:03,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:03" (1/1) ... [2023-11-12 02:11:04,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:03" (1/1) ... [2023-11-12 02:11:04,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:03" (1/1) ... [2023-11-12 02:11:04,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:03" (1/1) ... [2023-11-12 02:11:04,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:03" (1/1) ... [2023-11-12 02:11:04,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:03" (1/1) ... [2023-11-12 02:11:04,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:03" (1/1) ... [2023-11-12 02:11:04,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:11:04,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:11:04,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:11:04,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:11:04,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:03" (1/1) ... [2023-11-12 02:11:04,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:04,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:04,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:04,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:11:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:11:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:11:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:11:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:11:04,235 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:11:04,237 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:11:05,801 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:11:05,811 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:11:05,811 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:11:05,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:05 BoogieIcfgContainer [2023-11-12 02:11:05,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:11:05,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:11:05,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:11:05,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:11:05,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:11:03" (1/3) ... [2023-11-12 02:11:05,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84dd088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:11:05, skipping insertion in model container [2023-11-12 02:11:05,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:03" (2/3) ... [2023-11-12 02:11:05,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84dd088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:11:05, skipping insertion in model container [2023-11-12 02:11:05,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:05" (3/3) ... [2023-11-12 02:11:05,824 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label03.c [2023-11-12 02:11:05,844 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:11:05,845 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:11:05,923 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:11:05,931 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@41fabdf1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:11:05,932 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:11:05,940 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 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) [2023-11-12 02:11:05,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-12 02:11:05,952 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:05,953 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] [2023-11-12 02:11:05,953 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:05,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:05,961 INFO L85 PathProgramCache]: Analyzing trace with hash 2122806209, now seen corresponding path program 1 times [2023-11-12 02:11:05,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:05,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930948376] [2023-11-12 02:11:05,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:05,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:11:06,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:06,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930948376] [2023-11-12 02:11:06,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930948376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:06,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:06,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:11:06,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588815517] [2023-11-12 02:11:06,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:06,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:11:06,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:06,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:11:06,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:11:06,545 INFO L87 Difference]: Start difference. First operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 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 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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) [2023-11-12 02:11:07,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:07,855 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2023-11-12 02:11:07,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:11:07,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 51 [2023-11-12 02:11:07,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:07,872 INFO L225 Difference]: With dead ends: 669 [2023-11-12 02:11:07,873 INFO L226 Difference]: Without dead ends: 360 [2023-11-12 02:11:07,877 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 [2023-11-12 02:11:07,881 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 159 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:07,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 94 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-12 02:11:07,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-11-12 02:11:07,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2023-11-12 02:11:07,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.5208913649025069) internal successors, (546), 359 states have internal predecessors, (546), 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) [2023-11-12 02:11:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 546 transitions. [2023-11-12 02:11:07,946 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 546 transitions. Word has length 51 [2023-11-12 02:11:07,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:07,947 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 546 transitions. [2023-11-12 02:11:07,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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) [2023-11-12 02:11:07,947 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 546 transitions. [2023-11-12 02:11:07,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-12 02:11:07,954 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:07,954 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, 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] [2023-11-12 02:11:07,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:11:07,955 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:07,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:07,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1080800965, now seen corresponding path program 1 times [2023-11-12 02:11:07,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:07,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260447653] [2023-11-12 02:11:07,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:07,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:08,209 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:11:08,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:08,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260447653] [2023-11-12 02:11:08,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260447653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:08,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:08,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:11:08,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455917277] [2023-11-12 02:11:08,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:08,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:11:08,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:08,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:11:08,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:11:08,214 INFO L87 Difference]: Start difference. First operand 360 states and 546 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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) [2023-11-12 02:11:09,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:09,137 INFO L93 Difference]: Finished difference Result 1076 states and 1634 transitions. [2023-11-12 02:11:09,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:11:09,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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 126 [2023-11-12 02:11:09,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:09,144 INFO L225 Difference]: With dead ends: 1076 [2023-11-12 02:11:09,144 INFO L226 Difference]: Without dead ends: 718 [2023-11-12 02:11:09,146 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 [2023-11-12 02:11:09,148 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 124 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:09,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 96 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-12 02:11:09,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2023-11-12 02:11:09,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716. [2023-11-12 02:11:09,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 715 states have (on average 1.3552447552447553) internal successors, (969), 715 states have internal predecessors, (969), 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) [2023-11-12 02:11:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 969 transitions. [2023-11-12 02:11:09,185 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 969 transitions. Word has length 126 [2023-11-12 02:11:09,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:09,186 INFO L495 AbstractCegarLoop]: Abstraction has 716 states and 969 transitions. [2023-11-12 02:11:09,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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) [2023-11-12 02:11:09,187 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 969 transitions. [2023-11-12 02:11:09,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-12 02:11:09,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:09,190 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, 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] [2023-11-12 02:11:09,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:11:09,191 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:09,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:09,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1002073487, now seen corresponding path program 1 times [2023-11-12 02:11:09,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:09,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584778125] [2023-11-12 02:11:09,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:09,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:11:09,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:09,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584778125] [2023-11-12 02:11:09,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584778125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:09,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:09,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:11:09,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386293717] [2023-11-12 02:11:09,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:09,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:11:09,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:09,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:11:09,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:11:09,716 INFO L87 Difference]: Start difference. First operand 716 states and 969 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 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) [2023-11-12 02:11:10,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:10,948 INFO L93 Difference]: Finished difference Result 1966 states and 2575 transitions. [2023-11-12 02:11:10,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:11:10,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 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 130 [2023-11-12 02:11:10,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:10,957 INFO L225 Difference]: With dead ends: 1966 [2023-11-12 02:11:10,957 INFO L226 Difference]: Without dead ends: 1252 [2023-11-12 02:11:10,959 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 [2023-11-12 02:11:10,960 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 421 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:10,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 123 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-12 02:11:10,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2023-11-12 02:11:11,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2023-11-12 02:11:11,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 1249 states have (on average 1.2377902321857486) internal successors, (1546), 1249 states have internal predecessors, (1546), 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) [2023-11-12 02:11:11,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1546 transitions. [2023-11-12 02:11:11,021 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1546 transitions. Word has length 130 [2023-11-12 02:11:11,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:11,027 INFO L495 AbstractCegarLoop]: Abstraction has 1250 states and 1546 transitions. [2023-11-12 02:11:11,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 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) [2023-11-12 02:11:11,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1546 transitions. [2023-11-12 02:11:11,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-12 02:11:11,038 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:11,039 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, 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] [2023-11-12 02:11:11,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:11:11,039 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:11,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:11,040 INFO L85 PathProgramCache]: Analyzing trace with hash 313256988, now seen corresponding path program 1 times [2023-11-12 02:11:11,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:11,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167851636] [2023-11-12 02:11:11,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:11,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:11,354 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-12 02:11:11,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:11,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167851636] [2023-11-12 02:11:11,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167851636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:11,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:11,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:11:11,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275901951] [2023-11-12 02:11:11,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:11,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:11:11,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:11,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:11:11,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:11:11,359 INFO L87 Difference]: Start difference. First operand 1250 states and 1546 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 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) [2023-11-12 02:11:12,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:12,356 INFO L93 Difference]: Finished difference Result 2707 states and 3359 transitions. [2023-11-12 02:11:12,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:11:12,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 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 210 [2023-11-12 02:11:12,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:12,366 INFO L225 Difference]: With dead ends: 2707 [2023-11-12 02:11:12,366 INFO L226 Difference]: Without dead ends: 1608 [2023-11-12 02:11:12,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:11:12,370 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 118 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:12,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 121 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-12 02:11:12,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2023-11-12 02:11:12,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2023-11-12 02:11:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1605 states have (on average 1.12398753894081) internal successors, (1804), 1605 states have internal predecessors, (1804), 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) [2023-11-12 02:11:12,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1804 transitions. [2023-11-12 02:11:12,414 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1804 transitions. Word has length 210 [2023-11-12 02:11:12,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:12,415 INFO L495 AbstractCegarLoop]: Abstraction has 1606 states and 1804 transitions. [2023-11-12 02:11:12,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 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) [2023-11-12 02:11:12,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1804 transitions. [2023-11-12 02:11:12,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2023-11-12 02:11:12,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:12,423 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:12,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:11:12,423 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:12,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:12,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1682054282, now seen corresponding path program 1 times [2023-11-12 02:11:12,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:12,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327006075] [2023-11-12 02:11:12,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:12,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:13,136 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 194 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-12 02:11:13,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:13,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327006075] [2023-11-12 02:11:13,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327006075] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:11:13,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650540432] [2023-11-12 02:11:13,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:13,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:13,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:13,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:13,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:11:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:13,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:11:13,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:13,877 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-11-12 02:11:13,877 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:13,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650540432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:13,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:11:13,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-12 02:11:13,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538682960] [2023-11-12 02:11:13,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:13,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:11:13,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:13,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:11:13,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:11:13,881 INFO L87 Difference]: Start difference. First operand 1606 states and 1804 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 2 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:14,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:14,603 INFO L93 Difference]: Finished difference Result 3388 states and 3907 transitions. [2023-11-12 02:11:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:11:14,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 2 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 337 [2023-11-12 02:11:14,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:14,616 INFO L225 Difference]: With dead ends: 3388 [2023-11-12 02:11:14,616 INFO L226 Difference]: Without dead ends: 1962 [2023-11-12 02:11:14,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:11:14,622 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 82 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:14,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 47 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 02:11:14,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2023-11-12 02:11:14,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962. [2023-11-12 02:11:14,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1961 states have (on average 1.122386537480877) internal successors, (2201), 1961 states have internal predecessors, (2201), 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) [2023-11-12 02:11:14,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2201 transitions. [2023-11-12 02:11:14,676 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2201 transitions. Word has length 337 [2023-11-12 02:11:14,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:14,677 INFO L495 AbstractCegarLoop]: Abstraction has 1962 states and 2201 transitions. [2023-11-12 02:11:14,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 2 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2201 transitions. [2023-11-12 02:11:14,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2023-11-12 02:11:14,684 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:14,684 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:14,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:14,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:14,891 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:14,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:14,892 INFO L85 PathProgramCache]: Analyzing trace with hash 514746580, now seen corresponding path program 1 times [2023-11-12 02:11:14,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:14,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001898624] [2023-11-12 02:11:14,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:14,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:15,464 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-12 02:11:15,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:15,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001898624] [2023-11-12 02:11:15,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001898624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:15,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:15,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:11:15,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293886391] [2023-11-12 02:11:15,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:15,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:11:15,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:15,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:11:15,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:11:15,474 INFO L87 Difference]: Start difference. First operand 1962 states and 2201 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2023-11-12 02:11:16,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:16,180 INFO L93 Difference]: Finished difference Result 4100 states and 4648 transitions. [2023-11-12 02:11:16,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:11:16,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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 341 [2023-11-12 02:11:16,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:16,194 INFO L225 Difference]: With dead ends: 4100 [2023-11-12 02:11:16,195 INFO L226 Difference]: Without dead ends: 2318 [2023-11-12 02:11:16,206 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 [2023-11-12 02:11:16,210 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 101 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:16,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 77 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 02:11:16,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2023-11-12 02:11:16,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318. [2023-11-12 02:11:16,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2317 states have (on average 1.1204143288735433) internal successors, (2596), 2317 states have internal predecessors, (2596), 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) [2023-11-12 02:11:16,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2596 transitions. [2023-11-12 02:11:16,270 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2596 transitions. Word has length 341 [2023-11-12 02:11:16,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:16,270 INFO L495 AbstractCegarLoop]: Abstraction has 2318 states and 2596 transitions. [2023-11-12 02:11:16,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2023-11-12 02:11:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2596 transitions. [2023-11-12 02:11:16,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2023-11-12 02:11:16,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:16,278 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, 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, 1, 1, 1, 1, 1] [2023-11-12 02:11:16,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:11:16,279 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:16,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:16,280 INFO L85 PathProgramCache]: Analyzing trace with hash -591060880, now seen corresponding path program 1 times [2023-11-12 02:11:16,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:16,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015776486] [2023-11-12 02:11:16,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:16,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-12 02:11:16,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:16,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015776486] [2023-11-12 02:11:16,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015776486] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:11:16,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006462779] [2023-11-12 02:11:16,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:16,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:16,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:16,880 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:16,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:11:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:17,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:11:17,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:17,594 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2023-11-12 02:11:17,594 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:17,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006462779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:17,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:11:17,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2023-11-12 02:11:17,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122447859] [2023-11-12 02:11:17,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:17,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:11:17,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:17,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:11:17,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:11:17,598 INFO L87 Difference]: Start difference. First operand 2318 states and 2596 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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) [2023-11-12 02:11:18,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:18,244 INFO L93 Difference]: Finished difference Result 2854 states and 3202 transitions. [2023-11-12 02:11:18,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:11:18,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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 368 [2023-11-12 02:11:18,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:18,260 INFO L225 Difference]: With dead ends: 2854 [2023-11-12 02:11:18,260 INFO L226 Difference]: Without dead ends: 2852 [2023-11-12 02:11:18,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:11:18,262 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 90 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:18,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 24 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 02:11:18,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2023-11-12 02:11:18,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2496. [2023-11-12 02:11:18,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 2495 states have (on average 1.1254509018036072) internal successors, (2808), 2495 states have internal predecessors, (2808), 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) [2023-11-12 02:11:18,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2808 transitions. [2023-11-12 02:11:18,335 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2808 transitions. Word has length 368 [2023-11-12 02:11:18,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:18,336 INFO L495 AbstractCegarLoop]: Abstraction has 2496 states and 2808 transitions. [2023-11-12 02:11:18,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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) [2023-11-12 02:11:18,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2808 transitions. [2023-11-12 02:11:18,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2023-11-12 02:11:18,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:18,345 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2023-11-12 02:11:18,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:18,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:18,552 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:18,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:18,553 INFO L85 PathProgramCache]: Analyzing trace with hash 262542689, now seen corresponding path program 1 times [2023-11-12 02:11:18,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:18,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732117180] [2023-11-12 02:11:18,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:18,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:19,060 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2023-11-12 02:11:19,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:19,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732117180] [2023-11-12 02:11:19,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732117180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:19,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:19,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:11:19,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923411035] [2023-11-12 02:11:19,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:19,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:11:19,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:19,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:11:19,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:11:19,065 INFO L87 Difference]: Start difference. First operand 2496 states and 2808 transitions. Second operand has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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) [2023-11-12 02:11:19,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:19,883 INFO L93 Difference]: Finished difference Result 5048 states and 5689 transitions. [2023-11-12 02:11:19,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:11:19,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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 421 [2023-11-12 02:11:19,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:19,899 INFO L225 Difference]: With dead ends: 5048 [2023-11-12 02:11:19,900 INFO L226 Difference]: Without dead ends: 2674 [2023-11-12 02:11:19,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:11:19,904 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 124 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:19,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 17 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-12 02:11:19,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2023-11-12 02:11:19,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2023-11-12 02:11:19,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 2495 states have (on average 1.0849699398797594) internal successors, (2707), 2495 states have internal predecessors, (2707), 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) [2023-11-12 02:11:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2707 transitions. [2023-11-12 02:11:19,973 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2707 transitions. Word has length 421 [2023-11-12 02:11:19,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:19,974 INFO L495 AbstractCegarLoop]: Abstraction has 2496 states and 2707 transitions. [2023-11-12 02:11:19,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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) [2023-11-12 02:11:19,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2707 transitions. [2023-11-12 02:11:19,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2023-11-12 02:11:19,983 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:19,984 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:19,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:11:19,984 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:19,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:19,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1515068160, now seen corresponding path program 2 times [2023-11-12 02:11:19,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:19,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261513635] [2023-11-12 02:11:19,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:19,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:21,048 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 445 proven. 195 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-12 02:11:21,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:21,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261513635] [2023-11-12 02:11:21,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261513635] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:11:21,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967393128] [2023-11-12 02:11:21,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-12 02:11:21,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:21,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:21,052 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:21,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:11:21,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-12 02:11:21,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:11:21,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:11:21,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:21,998 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-12 02:11:21,998 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:21,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967393128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:21,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:11:21,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-12 02:11:21,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2486283] [2023-11-12 02:11:22,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:22,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:11:22,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:22,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:11:22,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:11:22,002 INFO L87 Difference]: Start difference. First operand 2496 states and 2707 transitions. Second operand has 4 states, 4 states have (on average 59.75) internal successors, (239), 3 states have internal predecessors, (239), 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) [2023-11-12 02:11:22,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:22,940 INFO L93 Difference]: Finished difference Result 5524 states and 6045 transitions. [2023-11-12 02:11:22,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:11:22,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.75) internal successors, (239), 3 states have internal predecessors, (239), 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 447 [2023-11-12 02:11:22,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:22,958 INFO L225 Difference]: With dead ends: 5524 [2023-11-12 02:11:22,958 INFO L226 Difference]: Without dead ends: 3208 [2023-11-12 02:11:22,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:11:22,963 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 265 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:22,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 14 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-12 02:11:22,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2023-11-12 02:11:23,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2852. [2023-11-12 02:11:23,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2851 states have (on average 1.0771659066994037) internal successors, (3071), 2851 states have internal predecessors, (3071), 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) [2023-11-12 02:11:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3071 transitions. [2023-11-12 02:11:23,036 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3071 transitions. Word has length 447 [2023-11-12 02:11:23,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:23,037 INFO L495 AbstractCegarLoop]: Abstraction has 2852 states and 3071 transitions. [2023-11-12 02:11:23,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.75) internal successors, (239), 3 states have internal predecessors, (239), 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) [2023-11-12 02:11:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3071 transitions. [2023-11-12 02:11:23,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2023-11-12 02:11:23,048 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:23,048 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:23,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:23,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:23,255 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:23,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:23,255 INFO L85 PathProgramCache]: Analyzing trace with hash 284431623, now seen corresponding path program 1 times [2023-11-12 02:11:23,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:23,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010636973] [2023-11-12 02:11:23,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:23,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-12 02:11:23,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:23,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010636973] [2023-11-12 02:11:23,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010636973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:23,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:23,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:11:23,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725900920] [2023-11-12 02:11:23,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:23,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:11:23,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:23,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:11:23,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:11:23,812 INFO L87 Difference]: Start difference. First operand 2852 states and 3071 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:24,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:24,404 INFO L93 Difference]: Finished difference Result 6058 states and 6601 transitions. [2023-11-12 02:11:24,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:11:24,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 454 [2023-11-12 02:11:24,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:24,422 INFO L225 Difference]: With dead ends: 6058 [2023-11-12 02:11:24,423 INFO L226 Difference]: Without dead ends: 3386 [2023-11-12 02:11:24,426 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 [2023-11-12 02:11:24,427 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 103 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:24,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 220 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 02:11:24,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2023-11-12 02:11:24,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3208. [2023-11-12 02:11:24,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3208 states, 3207 states have (on average 1.079513564078578) internal successors, (3462), 3207 states have internal predecessors, (3462), 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) [2023-11-12 02:11:24,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3462 transitions. [2023-11-12 02:11:24,524 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3462 transitions. Word has length 454 [2023-11-12 02:11:24,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:24,525 INFO L495 AbstractCegarLoop]: Abstraction has 3208 states and 3462 transitions. [2023-11-12 02:11:24,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:11:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3462 transitions. [2023-11-12 02:11:24,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2023-11-12 02:11:24,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:24,532 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 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] [2023-11-12 02:11:24,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-12 02:11:24,533 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:24,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:24,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1246091326, now seen corresponding path program 1 times [2023-11-12 02:11:24,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:24,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231609812] [2023-11-12 02:11:24,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:24,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:25,627 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 445 proven. 195 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-12 02:11:25,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:25,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231609812] [2023-11-12 02:11:25,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231609812] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:11:25,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272318942] [2023-11-12 02:11:25,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:25,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:25,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:25,632 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:25,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:11:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:25,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:11:25,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:25,981 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2023-11-12 02:11:25,981 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:25,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272318942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:25,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:11:25,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-12 02:11:25,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338152880] [2023-11-12 02:11:25,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:25,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:11:25,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:25,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:11:25,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:11:25,984 INFO L87 Difference]: Start difference. First operand 3208 states and 3462 transitions. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2023-11-12 02:11:26,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:26,625 INFO L93 Difference]: Finished difference Result 3922 states and 4228 transitions. [2023-11-12 02:11:26,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:11:26,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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 499 [2023-11-12 02:11:26,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:26,645 INFO L225 Difference]: With dead ends: 3922 [2023-11-12 02:11:26,646 INFO L226 Difference]: Without dead ends: 3920 [2023-11-12 02:11:26,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:11:26,648 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 151 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:26,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 11 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 02:11:26,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2023-11-12 02:11:26,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3208. [2023-11-12 02:11:26,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3208 states, 3207 states have (on average 1.079513564078578) internal successors, (3462), 3207 states have internal predecessors, (3462), 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) [2023-11-12 02:11:26,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3462 transitions. [2023-11-12 02:11:26,732 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3462 transitions. Word has length 499 [2023-11-12 02:11:26,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:26,733 INFO L495 AbstractCegarLoop]: Abstraction has 3208 states and 3462 transitions. [2023-11-12 02:11:26,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2023-11-12 02:11:26,734 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3462 transitions. [2023-11-12 02:11:26,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2023-11-12 02:11:26,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:26,742 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:26,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:26,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-12 02:11:26,949 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:26,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:26,950 INFO L85 PathProgramCache]: Analyzing trace with hash 324332960, now seen corresponding path program 1 times [2023-11-12 02:11:26,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:26,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568899953] [2023-11-12 02:11:26,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:26,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:28,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 924 proven. 195 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-11-12 02:11:28,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:28,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568899953] [2023-11-12 02:11:28,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568899953] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:11:28,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802210292] [2023-11-12 02:11:28,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:28,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:28,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:28,248 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:28,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:11:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:28,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:11:28,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:28,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2023-11-12 02:11:28,629 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:28,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802210292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:28,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:11:28,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-12 02:11:28,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751756064] [2023-11-12 02:11:28,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:28,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:11:28,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:28,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:11:28,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:11:28,633 INFO L87 Difference]: Start difference. First operand 3208 states and 3462 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2023-11-12 02:11:29,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:29,269 INFO L93 Difference]: Finished difference Result 7126 states and 7765 transitions. [2023-11-12 02:11:29,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:11:29,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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 641 [2023-11-12 02:11:29,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:29,312 INFO L225 Difference]: With dead ends: 7126 [2023-11-12 02:11:29,313 INFO L226 Difference]: Without dead ends: 4276 [2023-11-12 02:11:29,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 645 GetRequests, 640 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:11:29,317 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 140 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:29,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 216 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 02:11:29,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2023-11-12 02:11:29,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 4098. [2023-11-12 02:11:29,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 4097 states have (on average 1.078105931169148) internal successors, (4417), 4097 states have internal predecessors, (4417), 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) [2023-11-12 02:11:29,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4417 transitions. [2023-11-12 02:11:29,463 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4417 transitions. Word has length 641 [2023-11-12 02:11:29,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:29,464 INFO L495 AbstractCegarLoop]: Abstraction has 4098 states and 4417 transitions. [2023-11-12 02:11:29,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2023-11-12 02:11:29,465 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4417 transitions. [2023-11-12 02:11:29,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2023-11-12 02:11:29,480 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:29,481 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-12 02:11:29,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:29,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-12 02:11:29,688 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:29,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:29,688 INFO L85 PathProgramCache]: Analyzing trace with hash -316771125, now seen corresponding path program 1 times [2023-11-12 02:11:29,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:29,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389431837] [2023-11-12 02:11:29,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:29,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1354 backedges. 1005 proven. 195 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-11-12 02:11:30,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:30,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389431837] [2023-11-12 02:11:30,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389431837] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:11:30,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792962576] [2023-11-12 02:11:30,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:30,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:30,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:30,967 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:30,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 02:11:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:31,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:11:31,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:31,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1354 backedges. 655 proven. 0 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2023-11-12 02:11:31,922 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:31,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792962576] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:31,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:11:31,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-12 02:11:31,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125431696] [2023-11-12 02:11:31,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:31,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:11:31,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:31,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:11:31,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:11:31,926 INFO L87 Difference]: Start difference. First operand 4098 states and 4417 transitions. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 2 states have internal predecessors, (290), 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) [2023-11-12 02:11:32,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:32,460 INFO L93 Difference]: Finished difference Result 8906 states and 9616 transitions. [2023-11-12 02:11:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:11:32,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 2 states have internal predecessors, (290), 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 671 [2023-11-12 02:11:32,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:32,475 INFO L225 Difference]: With dead ends: 8906 [2023-11-12 02:11:32,475 INFO L226 Difference]: Without dead ends: 5166 [2023-11-12 02:11:32,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 675 GetRequests, 670 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:11:32,481 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 27 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:32,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 50 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:11:32,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states. [2023-11-12 02:11:32,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 4632. [2023-11-12 02:11:32,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4632 states, 4631 states have (on average 1.0773051176851651) internal successors, (4989), 4631 states have internal predecessors, (4989), 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) [2023-11-12 02:11:32,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 4989 transitions. [2023-11-12 02:11:32,579 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 4989 transitions. Word has length 671 [2023-11-12 02:11:32,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:32,580 INFO L495 AbstractCegarLoop]: Abstraction has 4632 states and 4989 transitions. [2023-11-12 02:11:32,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 2 states have internal predecessors, (290), 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) [2023-11-12 02:11:32,580 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 4989 transitions. [2023-11-12 02:11:32,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2023-11-12 02:11:32,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:32,592 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-12 02:11:32,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:32,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-12 02:11:32,799 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:32,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:32,800 INFO L85 PathProgramCache]: Analyzing trace with hash -590297812, now seen corresponding path program 1 times [2023-11-12 02:11:32,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:32,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307786075] [2023-11-12 02:11:32,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:32,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:33,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 966 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2023-11-12 02:11:33,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:33,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307786075] [2023-11-12 02:11:33,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307786075] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:33,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:33,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:11:33,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847389651] [2023-11-12 02:11:33,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:33,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:11:33,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:33,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:11:33,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:11:33,240 INFO L87 Difference]: Start difference. First operand 4632 states and 4989 transitions. Second operand has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 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) [2023-11-12 02:11:33,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:33,820 INFO L93 Difference]: Finished difference Result 9618 states and 10429 transitions. [2023-11-12 02:11:33,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:11:33,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 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 675 [2023-11-12 02:11:33,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:33,830 INFO L225 Difference]: With dead ends: 9618 [2023-11-12 02:11:33,830 INFO L226 Difference]: Without dead ends: 5344 [2023-11-12 02:11:33,835 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 [2023-11-12 02:11:33,836 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 9 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:33,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 50 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:11:33,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2023-11-12 02:11:33,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 5344. [2023-11-12 02:11:33,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5344 states, 5343 states have (on average 1.0733670222721317) internal successors, (5735), 5343 states have internal predecessors, (5735), 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) [2023-11-12 02:11:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5735 transitions. [2023-11-12 02:11:33,927 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5735 transitions. Word has length 675 [2023-11-12 02:11:33,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:33,928 INFO L495 AbstractCegarLoop]: Abstraction has 5344 states and 5735 transitions. [2023-11-12 02:11:33,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 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) [2023-11-12 02:11:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5735 transitions. [2023-11-12 02:11:33,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2023-11-12 02:11:33,940 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:33,941 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2023-11-12 02:11:33,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-12 02:11:33,941 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:33,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:33,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1194627754, now seen corresponding path program 1 times [2023-11-12 02:11:33,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:33,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729226412] [2023-11-12 02:11:33,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:33,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:34,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1708 backedges. 1171 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2023-11-12 02:11:34,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:34,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729226412] [2023-11-12 02:11:34,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729226412] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:34,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:34,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:11:34,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276251723] [2023-11-12 02:11:34,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:34,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:11:34,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:34,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:11:34,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:11:34,642 INFO L87 Difference]: Start difference. First operand 5344 states and 5735 transitions. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2023-11-12 02:11:35,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:35,209 INFO L93 Difference]: Finished difference Result 10508 states and 11289 transitions. [2023-11-12 02:11:35,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:11:35,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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 688 [2023-11-12 02:11:35,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:35,220 INFO L225 Difference]: With dead ends: 10508 [2023-11-12 02:11:35,221 INFO L226 Difference]: Without dead ends: 5344 [2023-11-12 02:11:35,226 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 [2023-11-12 02:11:35,226 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 111 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:35,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 244 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:11:35,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2023-11-12 02:11:35,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 4632. [2023-11-12 02:11:35,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4632 states, 4631 states have (on average 1.0796804145972791) internal successors, (5000), 4631 states have internal predecessors, (5000), 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) [2023-11-12 02:11:35,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 5000 transitions. [2023-11-12 02:11:35,317 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 5000 transitions. Word has length 688 [2023-11-12 02:11:35,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:35,318 INFO L495 AbstractCegarLoop]: Abstraction has 4632 states and 5000 transitions. [2023-11-12 02:11:35,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) [2023-11-12 02:11:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 5000 transitions. [2023-11-12 02:11:35,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2023-11-12 02:11:35,331 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:35,331 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:35,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-12 02:11:35,332 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:35,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:35,333 INFO L85 PathProgramCache]: Analyzing trace with hash 569441928, now seen corresponding path program 1 times [2023-11-12 02:11:35,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:35,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519952143] [2023-11-12 02:11:35,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:35,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:35,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2224 backedges. 1618 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2023-11-12 02:11:35,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:35,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519952143] [2023-11-12 02:11:35,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519952143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:35,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:35,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:11:35,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635278161] [2023-11-12 02:11:35,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:35,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:11:35,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:35,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:11:35,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:11:35,978 INFO L87 Difference]: Start difference. First operand 4632 states and 5000 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2023-11-12 02:11:36,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:36,545 INFO L93 Difference]: Finished difference Result 9260 states and 9999 transitions. [2023-11-12 02:11:36,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:11:36,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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 772 [2023-11-12 02:11:36,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:36,546 INFO L225 Difference]: With dead ends: 9260 [2023-11-12 02:11:36,546 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:11:36,552 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 [2023-11-12 02:11:36,553 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 102 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:36,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 240 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:11:36,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:11:36,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:11:36,554 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) [2023-11-12 02:11:36,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:11:36,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 772 [2023-11-12 02:11:36,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:36,554 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:11:36,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2023-11-12 02:11:36,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:11:36,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:11:36,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:11:36,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-12 02:11:36,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:11:37,232 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 880) no Hoare annotation was computed. [2023-11-12 02:11:37,232 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2023-11-12 02:11:37,232 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 880) no Hoare annotation was computed. [2023-11-12 02:11:37,232 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 880) no Hoare annotation was computed. [2023-11-12 02:11:37,232 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 880) no Hoare annotation was computed. [2023-11-12 02:11:37,232 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,234 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,235 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,235 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 880) no Hoare annotation was computed. [2023-11-12 02:11:37,235 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 880) no Hoare annotation was computed. [2023-11-12 02:11:37,235 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-11-12 02:11:37,235 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-11-12 02:11:37,235 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-11-12 02:11:37,236 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 880) no Hoare annotation was computed. [2023-11-12 02:11:37,236 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 880) no Hoare annotation was computed. [2023-11-12 02:11:37,236 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 880) no Hoare annotation was computed. [2023-11-12 02:11:37,236 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,236 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,236 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,237 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 880) no Hoare annotation was computed. [2023-11-12 02:11:37,237 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-11-12 02:11:37,237 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-11-12 02:11:37,237 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-11-12 02:11:37,237 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 880) no Hoare annotation was computed. [2023-11-12 02:11:37,237 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 880) no Hoare annotation was computed. [2023-11-12 02:11:37,238 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 880) no Hoare annotation was computed. [2023-11-12 02:11:37,238 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 880) no Hoare annotation was computed. [2023-11-12 02:11:37,238 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 880) no Hoare annotation was computed. [2023-11-12 02:11:37,238 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,238 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,238 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,238 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 880) no Hoare annotation was computed. [2023-11-12 02:11:37,239 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-11-12 02:11:37,239 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-11-12 02:11:37,239 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-12 02:11:37,239 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 880) no Hoare annotation was computed. [2023-11-12 02:11:37,239 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 880) no Hoare annotation was computed. [2023-11-12 02:11:37,239 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 880) no Hoare annotation was computed. [2023-11-12 02:11:37,240 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,240 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,240 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,240 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 880) no Hoare annotation was computed. [2023-11-12 02:11:37,240 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-11-12 02:11:37,240 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-11-12 02:11:37,242 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-11-12 02:11:37,242 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 880) no Hoare annotation was computed. [2023-11-12 02:11:37,242 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 880) no Hoare annotation was computed. [2023-11-12 02:11:37,243 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 880) no Hoare annotation was computed. [2023-11-12 02:11:37,243 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 880) no Hoare annotation was computed. [2023-11-12 02:11:37,244 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,244 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,244 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,244 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 880) no Hoare annotation was computed. [2023-11-12 02:11:37,244 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 880) no Hoare annotation was computed. [2023-11-12 02:11:37,244 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-11-12 02:11:37,245 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-11-12 02:11:37,245 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-12 02:11:37,245 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 880) no Hoare annotation was computed. [2023-11-12 02:11:37,245 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 880) no Hoare annotation was computed. [2023-11-12 02:11:37,245 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 880) no Hoare annotation was computed. [2023-11-12 02:11:37,245 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,245 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,248 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,248 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 880) no Hoare annotation was computed. [2023-11-12 02:11:37,248 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-11-12 02:11:37,248 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-11-12 02:11:37,249 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-12 02:11:37,249 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 880) no Hoare annotation was computed. [2023-11-12 02:11:37,252 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 880) no Hoare annotation was computed. [2023-11-12 02:11:37,252 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 880) no Hoare annotation was computed. [2023-11-12 02:11:37,252 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 880) no Hoare annotation was computed. [2023-11-12 02:11:37,252 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 880) no Hoare annotation was computed. [2023-11-12 02:11:37,252 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,253 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,253 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,253 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 880) no Hoare annotation was computed. [2023-11-12 02:11:37,253 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-11-12 02:11:37,253 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-11-12 02:11:37,253 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-11-12 02:11:37,254 INFO L899 garLoopResultBuilder]: For program point L321(lines 321 880) no Hoare annotation was computed. [2023-11-12 02:11:37,254 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 880) no Hoare annotation was computed. [2023-11-12 02:11:37,254 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 880) no Hoare annotation was computed. [2023-11-12 02:11:37,254 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:11:37,254 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,254 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,254 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,255 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 880) no Hoare annotation was computed. [2023-11-12 02:11:37,255 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-11-12 02:11:37,255 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-11-12 02:11:37,255 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-11-12 02:11:37,255 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 880) no Hoare annotation was computed. [2023-11-12 02:11:37,255 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 880) no Hoare annotation was computed. [2023-11-12 02:11:37,255 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 880) no Hoare annotation was computed. [2023-11-12 02:11:37,256 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 880) no Hoare annotation was computed. [2023-11-12 02:11:37,256 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 880) no Hoare annotation was computed. [2023-11-12 02:11:37,256 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,256 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,256 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,256 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 880) no Hoare annotation was computed. [2023-11-12 02:11:37,257 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-11-12 02:11:37,257 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-11-12 02:11:37,257 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-11-12 02:11:37,257 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 880) no Hoare annotation was computed. [2023-11-12 02:11:37,257 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 880) no Hoare annotation was computed. [2023-11-12 02:11:37,257 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 880) no Hoare annotation was computed. [2023-11-12 02:11:37,257 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 880) no Hoare annotation was computed. [2023-11-12 02:11:37,258 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,258 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,258 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,258 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-11-12 02:11:37,258 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-11-12 02:11:37,258 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-11-12 02:11:37,258 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:11:37,259 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 880) no Hoare annotation was computed. [2023-11-12 02:11:37,259 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 167) no Hoare annotation was computed. [2023-11-12 02:11:37,259 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 880) no Hoare annotation was computed. [2023-11-12 02:11:37,259 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 880) no Hoare annotation was computed. [2023-11-12 02:11:37,260 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 880) no Hoare annotation was computed. [2023-11-12 02:11:37,260 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 880) no Hoare annotation was computed. [2023-11-12 02:11:37,260 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,260 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,260 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,260 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 880) no Hoare annotation was computed. [2023-11-12 02:11:37,261 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 880) no Hoare annotation was computed. [2023-11-12 02:11:37,261 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-11-12 02:11:37,261 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-11-12 02:11:37,261 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-11-12 02:11:37,262 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 880) no Hoare annotation was computed. [2023-11-12 02:11:37,263 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 880) no Hoare annotation was computed. [2023-11-12 02:11:37,263 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 880) no Hoare annotation was computed. [2023-11-12 02:11:37,263 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,263 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,263 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,263 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-11-12 02:11:37,264 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-11-12 02:11:37,264 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-11-12 02:11:37,264 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 880) no Hoare annotation was computed. [2023-11-12 02:11:37,264 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 880) no Hoare annotation was computed. [2023-11-12 02:11:37,264 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 880) no Hoare annotation was computed. [2023-11-12 02:11:37,264 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 880) no Hoare annotation was computed. [2023-11-12 02:11:37,265 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 880) no Hoare annotation was computed. [2023-11-12 02:11:37,265 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,265 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,265 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,265 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 880) no Hoare annotation was computed. [2023-11-12 02:11:37,265 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 880) no Hoare annotation was computed. [2023-11-12 02:11:37,265 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-11-12 02:11:37,266 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-11-12 02:11:37,266 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-11-12 02:11:37,266 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 880) no Hoare annotation was computed. [2023-11-12 02:11:37,266 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 880) no Hoare annotation was computed. [2023-11-12 02:11:37,266 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 880) no Hoare annotation was computed. [2023-11-12 02:11:37,266 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,266 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,267 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,267 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 880) no Hoare annotation was computed. [2023-11-12 02:11:37,267 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-11-12 02:11:37,267 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-11-12 02:11:37,267 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-11-12 02:11:37,267 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 880) no Hoare annotation was computed. [2023-11-12 02:11:37,267 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 880) no Hoare annotation was computed. [2023-11-12 02:11:37,268 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 880) no Hoare annotation was computed. [2023-11-12 02:11:37,268 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 880) no Hoare annotation was computed. [2023-11-12 02:11:37,268 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,268 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,268 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,268 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 880) no Hoare annotation was computed. [2023-11-12 02:11:37,269 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-11-12 02:11:37,269 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-11-12 02:11:37,269 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-11-12 02:11:37,269 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 880) no Hoare annotation was computed. [2023-11-12 02:11:37,269 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 880) no Hoare annotation was computed. [2023-11-12 02:11:37,269 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 880) no Hoare annotation was computed. [2023-11-12 02:11:37,269 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 880) no Hoare annotation was computed. [2023-11-12 02:11:37,270 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,271 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,271 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 880) no Hoare annotation was computed. [2023-11-12 02:11:37,271 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-11-12 02:11:37,271 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-11-12 02:11:37,271 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 880) no Hoare annotation was computed. [2023-11-12 02:11:37,271 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 880) no Hoare annotation was computed. [2023-11-12 02:11:37,271 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 880) no Hoare annotation was computed. [2023-11-12 02:11:37,272 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 880) no Hoare annotation was computed. [2023-11-12 02:11:37,272 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 880) no Hoare annotation was computed. [2023-11-12 02:11:37,272 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,272 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,272 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 880) no Hoare annotation was computed. [2023-11-12 02:11:37,272 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-11-12 02:11:37,273 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-11-12 02:11:37,273 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 880) no Hoare annotation was computed. [2023-11-12 02:11:37,273 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 880) no Hoare annotation was computed. [2023-11-12 02:11:37,273 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 880) no Hoare annotation was computed. [2023-11-12 02:11:37,273 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,273 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,273 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 880) no Hoare annotation was computed. [2023-11-12 02:11:37,274 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 880) no Hoare annotation was computed. [2023-11-12 02:11:37,274 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-11-12 02:11:37,274 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-11-12 02:11:37,274 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 880) no Hoare annotation was computed. [2023-11-12 02:11:37,274 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 880) no Hoare annotation was computed. [2023-11-12 02:11:37,274 INFO L899 garLoopResultBuilder]: For program point L751(lines 751 880) no Hoare annotation was computed. [2023-11-12 02:11:37,274 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 880) no Hoare annotation was computed. [2023-11-12 02:11:37,275 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,275 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,275 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 900) no Hoare annotation was computed. [2023-11-12 02:11:37,275 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 880) no Hoare annotation was computed. [2023-11-12 02:11:37,275 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 880) no Hoare annotation was computed. [2023-11-12 02:11:37,275 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-11-12 02:11:37,276 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-11-12 02:11:37,276 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 880) no Hoare annotation was computed. [2023-11-12 02:11:37,276 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 880) no Hoare annotation was computed. [2023-11-12 02:11:37,276 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 880) no Hoare annotation was computed. [2023-11-12 02:11:37,276 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,276 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,276 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:11:37,277 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 880) no Hoare annotation was computed. [2023-11-12 02:11:37,277 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 880) no Hoare annotation was computed. [2023-11-12 02:11:37,277 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-11-12 02:11:37,277 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-11-12 02:11:37,277 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:11:37,277 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 880) no Hoare annotation was computed. [2023-11-12 02:11:37,277 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 880) no Hoare annotation was computed. [2023-11-12 02:11:37,278 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,278 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,278 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-11-12 02:11:37,278 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,278 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 880) no Hoare annotation was computed. [2023-11-12 02:11:37,283 INFO L895 garLoopResultBuilder]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (<= ~a21~0 7))) (or (and (<= 6 ~a15~0) .cse0) (and .cse0 (<= 0 (+ ~a12~0 42))) (and (<= ~a15~0 8) .cse1 (<= (+ 49 ~a12~0) 0)) (and .cse0 (= ~a21~0 9)) (and .cse0 .cse1))) [2023-11-12 02:11:37,283 INFO L899 garLoopResultBuilder]: For program point L494(lines 494 880) no Hoare annotation was computed. [2023-11-12 02:11:37,283 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 880) no Hoare annotation was computed. [2023-11-12 02:11:37,283 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-11-12 02:11:37,284 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-11-12 02:11:37,284 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-11-12 02:11:37,284 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,284 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 880) no Hoare annotation was computed. [2023-11-12 02:11:37,284 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 880) no Hoare annotation was computed. [2023-11-12 02:11:37,284 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 880) no Hoare annotation was computed. [2023-11-12 02:11:37,284 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 880) no Hoare annotation was computed. [2023-11-12 02:11:37,284 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,284 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,285 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2023-11-12 02:11:37,285 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 880) no Hoare annotation was computed. [2023-11-12 02:11:37,285 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-11-12 02:11:37,285 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-11-12 02:11:37,285 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-12 02:11:37,291 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:37,294 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:11:37,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:11:37 BoogieIcfgContainer [2023-11-12 02:11:37,311 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:11:37,312 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:11:37,312 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:11:37,312 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:11:37,313 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:05" (3/4) ... [2023-11-12 02:11:37,315 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:11:37,338 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-12 02:11:37,340 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:11:37,342 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:11:37,344 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:11:37,523 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:11:37,524 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:11:37,524 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:11:37,525 INFO L158 Benchmark]: Toolchain (without parser) took 34458.22ms. Allocated memory was 155.2MB in the beginning and 578.8MB in the end (delta: 423.6MB). Free memory was 123.4MB in the beginning and 464.3MB in the end (delta: -340.9MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2023-11-12 02:11:37,525 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:11:37,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 743.41ms. Allocated memory is still 155.2MB. Free memory was 123.0MB in the beginning and 89.1MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-12 02:11:37,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 171.84ms. Allocated memory is still 155.2MB. Free memory was 89.1MB in the beginning and 121.9MB in the end (delta: -32.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-12 02:11:37,526 INFO L158 Benchmark]: Boogie Preprocessor took 88.49ms. Allocated memory is still 155.2MB. Free memory was 121.9MB in the beginning and 115.6MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:11:37,527 INFO L158 Benchmark]: RCFGBuilder took 1737.10ms. Allocated memory is still 155.2MB. Free memory was 115.6MB in the beginning and 71.1MB in the end (delta: 44.5MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2023-11-12 02:11:37,527 INFO L158 Benchmark]: TraceAbstraction took 31494.83ms. Allocated memory was 155.2MB in the beginning and 578.8MB in the end (delta: 423.6MB). Free memory was 69.9MB in the beginning and 479.0MB in the end (delta: -409.1MB). Peak memory consumption was 297.5MB. Max. memory is 16.1GB. [2023-11-12 02:11:37,528 INFO L158 Benchmark]: Witness Printer took 212.13ms. Allocated memory is still 578.8MB. Free memory was 479.0MB in the beginning and 464.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:11:37,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 743.41ms. Allocated memory is still 155.2MB. Free memory was 123.0MB in the beginning and 89.1MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 171.84ms. Allocated memory is still 155.2MB. Free memory was 89.1MB in the beginning and 121.9MB in the end (delta: -32.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.49ms. Allocated memory is still 155.2MB. Free memory was 121.9MB in the beginning and 115.6MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1737.10ms. Allocated memory is still 155.2MB. Free memory was 115.6MB in the beginning and 71.1MB in the end (delta: 44.5MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. * TraceAbstraction took 31494.83ms. Allocated memory was 155.2MB in the beginning and 578.8MB in the end (delta: 423.6MB). Free memory was 69.9MB in the beginning and 479.0MB in the end (delta: -409.1MB). Peak memory consumption was 297.5MB. Max. memory is 16.1GB. * Witness Printer took 212.13ms. Allocated memory is still 578.8MB. Free memory was 479.0MB in the beginning and 464.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: 167]: 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, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.4s, OverallIterations: 16, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 12.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2127 SdHoareTripleChecker+Valid, 11.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2127 mSDsluCounter, 1644 SdHoareTripleChecker+Invalid, 9.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 1011 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8247 IncrementalHoareTripleChecker+Invalid, 9258 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1011 mSolverCounterUnsat, 1557 mSDtfsCounter, 8247 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3013 GetRequests, 2971 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5344occurred in iteration=14, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 3210 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 31 NumberOfFragments, 43 HoareAnnotationTreeSize, 1 FomulaSimplifications, 1059 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 1 FomulaSimplificationsInter, 889 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 9794 NumberOfCodeBlocks, 9794 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 9772 ConstructedInterpolants, 0 QuantifiedInterpolants, 32279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3765 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 22 InterpolantComputations, 16 PerfectInterpolantSequences, 16272/17330 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: 890]: Loop Invariant Derived loop invariant: ((((((6 <= a15) && (a24 == 1)) || ((a24 == 1) && (0 <= (a12 + 42)))) || (((a15 <= 8) && (a21 <= 7)) && ((49 + a12) <= 0))) || ((a24 == 1) && (a21 == 9))) || ((a24 == 1) && (a21 <= 7))) RESULT: Ultimate proved your program to be correct! [2023-11-12 02:11:37,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49262dac-cbb3-457d-a1de-90e78277606e/bin/uautomizer-verify-uTZkv6EMXl/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