./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label06.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_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/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_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/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_625a3902-337b-45bd-8e8b-17acddcdc302/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 0ad111d6936056460510a10e712b295b6541e8406527db903438c9aa67289a02 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:24:26,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:24:26,080 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:24:26,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:24:26,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:24:26,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:24:26,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:24:26,112 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:24:26,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:24:26,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:24:26,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:24:26,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:24:26,116 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:24:26,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:24:26,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:24:26,125 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:24:26,126 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:24:26,126 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:24:26,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:24:26,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:24:26,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:24:26,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:24:26,128 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:24:26,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:24:26,129 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:24:26,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:24:26,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:24:26,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:24:26,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:24:26,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:24:26,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:24:26,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:24:26,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:24:26,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:24:26,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:24:26,134 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:24:26,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:24:26,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:24:26,136 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:24:26,136 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_625a3902-337b-45bd-8e8b-17acddcdc302/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ad111d6936056460510a10e712b295b6541e8406527db903438c9aa67289a02 [2023-11-12 02:24:26,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:24:26,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:24:26,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:24:26,453 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:24:26,455 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:24:26,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/eca-rers2012/Problem10_label06.c [2023-11-12 02:24:29,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:24:29,972 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:24:29,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/sv-benchmarks/c/eca-rers2012/Problem10_label06.c [2023-11-12 02:24:29,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/data/3f133e695/4078fbb48a3945bca1f83ab17f5d84cd/FLAG9e8d4ce6c [2023-11-12 02:24:30,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/data/3f133e695/4078fbb48a3945bca1f83ab17f5d84cd [2023-11-12 02:24:30,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:24:30,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:24:30,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:24:30,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:24:30,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:24:30,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:24:30" (1/1) ... [2023-11-12 02:24:30,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@909357e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:30, skipping insertion in model container [2023-11-12 02:24:30,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:24:30" (1/1) ... [2023-11-12 02:24:30,084 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:24:30,302 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_625a3902-337b-45bd-8e8b-17acddcdc302/sv-benchmarks/c/eca-rers2012/Problem10_label06.c[2930,2943] [2023-11-12 02:24:30,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:24:30,569 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:24:30,606 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_625a3902-337b-45bd-8e8b-17acddcdc302/sv-benchmarks/c/eca-rers2012/Problem10_label06.c[2930,2943] [2023-11-12 02:24:30,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:24:30,767 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:24:30,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:30 WrapperNode [2023-11-12 02:24:30,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:24:30,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:24:30,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:24:30,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:24:30,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:30" (1/1) ... [2023-11-12 02:24:30,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:30" (1/1) ... [2023-11-12 02:24:30,876 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 598 [2023-11-12 02:24:30,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:24:30,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:24:30,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:24:30,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:24:30,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:30" (1/1) ... [2023-11-12 02:24:30,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:30" (1/1) ... [2023-11-12 02:24:30,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:30" (1/1) ... [2023-11-12 02:24:30,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:30" (1/1) ... [2023-11-12 02:24:30,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:30" (1/1) ... [2023-11-12 02:24:30,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:30" (1/1) ... [2023-11-12 02:24:30,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:30" (1/1) ... [2023-11-12 02:24:30,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:30" (1/1) ... [2023-11-12 02:24:30,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:24:30,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:24:30,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:24:30,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:24:30,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:30" (1/1) ... [2023-11-12 02:24:30,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:24:30,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:24:31,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:24:31,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:24:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:24:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:24:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:24:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:24:31,159 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:24:31,161 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:24:32,445 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:24:32,505 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:24:32,505 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:24:32,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:24:32 BoogieIcfgContainer [2023-11-12 02:24:32,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:24:32,510 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:24:32,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:24:32,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:24:32,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:24:30" (1/3) ... [2023-11-12 02:24:32,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcd4037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:24:32, skipping insertion in model container [2023-11-12 02:24:32,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:30" (2/3) ... [2023-11-12 02:24:32,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcd4037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:24:32, skipping insertion in model container [2023-11-12 02:24:32,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:24:32" (3/3) ... [2023-11-12 02:24:32,519 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label06.c [2023-11-12 02:24:32,538 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:24:32,539 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:24:32,598 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:24:32,609 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;@3d71ae05, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:24:32,610 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:24:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:24:32,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-12 02:24:32,626 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:32,627 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] [2023-11-12 02:24:32,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:32,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:32,637 INFO L85 PathProgramCache]: Analyzing trace with hash -593706766, now seen corresponding path program 1 times [2023-11-12 02:24:32,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:32,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608863477] [2023-11-12 02:24:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:32,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:32,941 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 02:24:32,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:24:32,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608863477] [2023-11-12 02:24:32,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608863477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:24:32,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:24:32,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:24:32,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365675478] [2023-11-12 02:24:32,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:24:32,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:24:32,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:24:32,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:24:32,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:24:32,998 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:24:34,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:24:34,052 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2023-11-12 02:24:34,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:24:34,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2023-11-12 02:24:34,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:24:34,079 INFO L225 Difference]: With dead ends: 567 [2023-11-12 02:24:34,080 INFO L226 Difference]: Without dead ends: 282 [2023-11-12 02:24:34,088 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 02:24:34,093 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 154 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:24:34,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 66 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-12 02:24:34,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-12 02:24:34,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2023-11-12 02:24:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.4661921708185053) internal successors, (412), 281 states have internal predecessors, (412), 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 02:24:34,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2023-11-12 02:24:34,172 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 24 [2023-11-12 02:24:34,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:24:34,173 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2023-11-12 02:24:34,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:24:34,173 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2023-11-12 02:24:34,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-12 02:24:34,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:34,181 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, 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 02:24:34,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:24:34,181 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:34,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:34,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1137756492, now seen corresponding path program 1 times [2023-11-12 02:24:34,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:34,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714252874] [2023-11-12 02:24:34,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:34,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:24:34,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:24:34,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714252874] [2023-11-12 02:24:34,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714252874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:24:34,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:24:34,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:24:34,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050381881] [2023-11-12 02:24:34,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:24:34,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:24:34,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:24:34,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:24:34,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:24:34,541 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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 02:24:35,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:24:35,215 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2023-11-12 02:24:35,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:24:35,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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 94 [2023-11-12 02:24:35,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:24:35,224 INFO L225 Difference]: With dead ends: 840 [2023-11-12 02:24:35,224 INFO L226 Difference]: Without dead ends: 560 [2023-11-12 02:24:35,232 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 02:24:35,235 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 75 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:24:35,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 67 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 02:24:35,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2023-11-12 02:24:35,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2023-11-12 02:24:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3059033989266546) internal successors, (730), 559 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:24:35,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2023-11-12 02:24:35,297 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 94 [2023-11-12 02:24:35,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:24:35,297 INFO L495 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2023-11-12 02:24:35,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 2 states have internal predecessors, (94), 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 02:24:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2023-11-12 02:24:35,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-12 02:24:35,300 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:35,301 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, 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 02:24:35,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:24:35,301 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:35,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:35,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1125229556, now seen corresponding path program 1 times [2023-11-12 02:24:35,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:35,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964414415] [2023-11-12 02:24:35,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:35,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:35,737 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:24:35,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:24:35,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964414415] [2023-11-12 02:24:35,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964414415] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:24:35,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477909385] [2023-11-12 02:24:35,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:35,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:24:35,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:24:35,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:24:35,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:24:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:35,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:24:35,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:24:35,950 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:24:35,951 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:24:35,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477909385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:24:35,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:24:35,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-12 02:24:35,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403653251] [2023-11-12 02:24:35,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:24:35,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:24:35,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:24:35,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:24:35,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:24:35,954 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 02:24:36,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:24:36,607 INFO L93 Difference]: Finished difference Result 979 states and 1299 transitions. [2023-11-12 02:24:36,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:24:36,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 99 [2023-11-12 02:24:36,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:24:36,614 INFO L225 Difference]: With dead ends: 979 [2023-11-12 02:24:36,614 INFO L226 Difference]: Without dead ends: 977 [2023-11-12 02:24:36,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:24:36,616 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 160 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:24:36,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 11 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 02:24:36,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2023-11-12 02:24:36,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 699. [2023-11-12 02:24:36,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.3524355300859598) internal successors, (944), 698 states have internal predecessors, (944), 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 02:24:36,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 944 transitions. [2023-11-12 02:24:36,642 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 944 transitions. Word has length 99 [2023-11-12 02:24:36,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:24:36,643 INFO L495 AbstractCegarLoop]: Abstraction has 699 states and 944 transitions. [2023-11-12 02:24:36,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 02:24:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 944 transitions. [2023-11-12 02:24:36,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-12 02:24:36,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:36,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:24:36,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:24:36,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:24:36,855 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:36,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:36,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1838974268, now seen corresponding path program 1 times [2023-11-12 02:24:36,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:36,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122647025] [2023-11-12 02:24:36,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:36,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:24:37,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:24:37,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122647025] [2023-11-12 02:24:37,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122647025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:24:37,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:24:37,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:24:37,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231116548] [2023-11-12 02:24:37,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:24:37,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:24:37,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:24:37,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:24:37,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:24:37,401 INFO L87 Difference]: Start difference. First operand 699 states and 944 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:24:38,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:24:38,131 INFO L93 Difference]: Finished difference Result 1539 states and 2049 transitions. [2023-11-12 02:24:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:24:38,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2023-11-12 02:24:38,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:24:38,140 INFO L225 Difference]: With dead ends: 1539 [2023-11-12 02:24:38,140 INFO L226 Difference]: Without dead ends: 842 [2023-11-12 02:24:38,144 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 02:24:38,149 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 91 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:24:38,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 87 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 02:24:38,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2023-11-12 02:24:38,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 838. [2023-11-12 02:24:38,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2998805256869772) internal successors, (1088), 837 states have internal predecessors, (1088), 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 02:24:38,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1088 transitions. [2023-11-12 02:24:38,175 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1088 transitions. Word has length 142 [2023-11-12 02:24:38,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:24:38,177 INFO L495 AbstractCegarLoop]: Abstraction has 838 states and 1088 transitions. [2023-11-12 02:24:38,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:24:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1088 transitions. [2023-11-12 02:24:38,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-12 02:24:38,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:38,187 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:24:38,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:24:38,187 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:38,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:38,188 INFO L85 PathProgramCache]: Analyzing trace with hash 222498490, now seen corresponding path program 1 times [2023-11-12 02:24:38,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:38,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411606060] [2023-11-12 02:24:38,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:38,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:24:38,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:24:38,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411606060] [2023-11-12 02:24:38,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411606060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:24:38,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:24:38,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:24:38,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858155033] [2023-11-12 02:24:38,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:24:38,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:24:38,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:24:38,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:24:38,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:24:38,755 INFO L87 Difference]: Start difference. First operand 838 states and 1088 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 6 states have internal predecessors, (177), 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 02:24:39,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:24:39,513 INFO L93 Difference]: Finished difference Result 1590 states and 2085 transitions. [2023-11-12 02:24:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:24:39,514 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 6 states have internal predecessors, (177), 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 177 [2023-11-12 02:24:39,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:24:39,521 INFO L225 Difference]: With dead ends: 1590 [2023-11-12 02:24:39,522 INFO L226 Difference]: Without dead ends: 838 [2023-11-12 02:24:39,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:24:39,524 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:24:39,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 28 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 02:24:39,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2023-11-12 02:24:39,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2023-11-12 02:24:39,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2927120669056154) internal successors, (1082), 837 states have internal predecessors, (1082), 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 02:24:39,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1082 transitions. [2023-11-12 02:24:39,547 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1082 transitions. Word has length 177 [2023-11-12 02:24:39,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:24:39,548 INFO L495 AbstractCegarLoop]: Abstraction has 838 states and 1082 transitions. [2023-11-12 02:24:39,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 6 states have internal predecessors, (177), 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 02:24:39,549 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1082 transitions. [2023-11-12 02:24:39,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-12 02:24:39,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:39,552 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, 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] [2023-11-12 02:24:39,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:24:39,552 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:39,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:39,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1669628540, now seen corresponding path program 1 times [2023-11-12 02:24:39,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:39,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260528147] [2023-11-12 02:24:39,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:39,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:24:39,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:24:39,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260528147] [2023-11-12 02:24:39,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260528147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:24:39,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:24:39,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:24:39,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951623243] [2023-11-12 02:24:39,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:24:39,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:24:39,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:24:39,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:24:39,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:24:39,799 INFO L87 Difference]: Start difference. First operand 838 states and 1082 transitions. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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 02:24:40,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:24:40,511 INFO L93 Difference]: Finished difference Result 1952 states and 2639 transitions. [2023-11-12 02:24:40,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:24:40,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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 184 [2023-11-12 02:24:40,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:24:40,520 INFO L225 Difference]: With dead ends: 1952 [2023-11-12 02:24:40,520 INFO L226 Difference]: Without dead ends: 1255 [2023-11-12 02:24:40,527 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 02:24:40,528 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 50 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:24:40,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 214 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 02:24:40,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2023-11-12 02:24:40,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 838. [2023-11-12 02:24:40,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2819593787335724) internal successors, (1073), 837 states have internal predecessors, (1073), 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 02:24:40,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1073 transitions. [2023-11-12 02:24:40,557 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1073 transitions. Word has length 184 [2023-11-12 02:24:40,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:24:40,557 INFO L495 AbstractCegarLoop]: Abstraction has 838 states and 1073 transitions. [2023-11-12 02:24:40,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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 02:24:40,558 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1073 transitions. [2023-11-12 02:24:40,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-12 02:24:40,561 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:40,562 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:24:40,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:24:40,562 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:40,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:40,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1434096352, now seen corresponding path program 1 times [2023-11-12 02:24:40,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:40,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718056411] [2023-11-12 02:24:40,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:40,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:24:40,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:24:40,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718056411] [2023-11-12 02:24:40,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718056411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:24:40,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:24:40,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:24:40,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119094888] [2023-11-12 02:24:40,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:24:40,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:24:40,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:24:40,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:24:40,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:24:40,848 INFO L87 Difference]: Start difference. First operand 838 states and 1073 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 02:24:41,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:24:41,532 INFO L93 Difference]: Finished difference Result 1952 states and 2621 transitions. [2023-11-12 02:24:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:24:41,533 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 213 [2023-11-12 02:24:41,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:24:41,540 INFO L225 Difference]: With dead ends: 1952 [2023-11-12 02:24:41,541 INFO L226 Difference]: Without dead ends: 1255 [2023-11-12 02:24:41,542 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 02:24:41,543 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 77 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:24:41,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 188 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 02:24:41,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2023-11-12 02:24:41,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2023-11-12 02:24:41,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.2607655502392345) internal successors, (1581), 1254 states have internal predecessors, (1581), 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 02:24:41,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1581 transitions. [2023-11-12 02:24:41,586 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1581 transitions. Word has length 213 [2023-11-12 02:24:41,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:24:41,586 INFO L495 AbstractCegarLoop]: Abstraction has 1255 states and 1581 transitions. [2023-11-12 02:24:41,587 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 02:24:41,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1581 transitions. [2023-11-12 02:24:41,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-11-12 02:24:41,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:41,594 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-12 02:24:41,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:24:41,595 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:41,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:41,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1579160536, now seen corresponding path program 1 times [2023-11-12 02:24:41,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:41,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220883327] [2023-11-12 02:24:41,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:41,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:41,961 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-12 02:24:41,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:24:41,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220883327] [2023-11-12 02:24:41,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220883327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:24:41,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:24:41,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:24:41,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873469451] [2023-11-12 02:24:41,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:24:41,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:24:41,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:24:41,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:24:41,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:24:41,964 INFO L87 Difference]: Start difference. First operand 1255 states and 1581 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 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 02:24:42,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:24:42,543 INFO L93 Difference]: Finished difference Result 2786 states and 3508 transitions. [2023-11-12 02:24:42,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:24:42,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 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 272 [2023-11-12 02:24:42,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:24:42,553 INFO L225 Difference]: With dead ends: 2786 [2023-11-12 02:24:42,553 INFO L226 Difference]: Without dead ends: 1672 [2023-11-12 02:24:42,555 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 02:24:42,556 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 46 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:24:42,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 34 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:24:42,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2023-11-12 02:24:42,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2023-11-12 02:24:42,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1671 states have (on average 1.1651705565529622) internal successors, (1947), 1671 states have internal predecessors, (1947), 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 02:24:42,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1947 transitions. [2023-11-12 02:24:42,601 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1947 transitions. Word has length 272 [2023-11-12 02:24:42,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:24:42,601 INFO L495 AbstractCegarLoop]: Abstraction has 1672 states and 1947 transitions. [2023-11-12 02:24:42,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 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 02:24:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1947 transitions. [2023-11-12 02:24:42,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2023-11-12 02:24:42,608 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:42,608 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 02:24:42,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:24:42,609 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:42,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:42,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1473563125, now seen corresponding path program 1 times [2023-11-12 02:24:42,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:42,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538379586] [2023-11-12 02:24:42,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:42,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 41 proven. 24 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-12 02:24:43,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:24:43,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538379586] [2023-11-12 02:24:43,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538379586] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:24:43,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406252705] [2023-11-12 02:24:43,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:43,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:24:43,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:24:43,150 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:24:43,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:24:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:43,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:24:43,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:24:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-12 02:24:43,434 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:24:43,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406252705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:24:43,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:24:43,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-12 02:24:43,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263452999] [2023-11-12 02:24:43,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:24:43,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:24:43,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:24:43,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:24:43,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:24:43,437 INFO L87 Difference]: Start difference. First operand 1672 states and 1947 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:24:44,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:24:44,008 INFO L93 Difference]: Finished difference Result 1952 states and 2274 transitions. [2023-11-12 02:24:44,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:24:44,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 305 [2023-11-12 02:24:44,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:24:44,022 INFO L225 Difference]: With dead ends: 1952 [2023-11-12 02:24:44,022 INFO L226 Difference]: Without dead ends: 1950 [2023-11-12 02:24:44,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:24:44,025 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 160 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:24:44,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 11 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:24:44,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2023-11-12 02:24:44,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1533. [2023-11-12 02:24:44,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1532 states have (on average 1.1697127937336815) internal successors, (1792), 1532 states have internal predecessors, (1792), 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 02:24:44,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1792 transitions. [2023-11-12 02:24:44,068 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1792 transitions. Word has length 305 [2023-11-12 02:24:44,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:24:44,069 INFO L495 AbstractCegarLoop]: Abstraction has 1533 states and 1792 transitions. [2023-11-12 02:24:44,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:24:44,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1792 transitions. [2023-11-12 02:24:44,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2023-11-12 02:24:44,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:24:44,080 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:24:44,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:24:44,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:24:44,286 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:24:44,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:24:44,297 INFO L85 PathProgramCache]: Analyzing trace with hash -73699479, now seen corresponding path program 1 times [2023-11-12 02:24:44,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:24:44,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746518804] [2023-11-12 02:24:44,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:24:44,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:24:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:24:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2023-11-12 02:24:44,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:24:44,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746518804] [2023-11-12 02:24:44,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746518804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:24:44,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:24:44,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:24:44,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737382329] [2023-11-12 02:24:44,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:24:44,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:24:44,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:24:44,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:24:44,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:24:44,984 INFO L87 Difference]: Start difference. First operand 1533 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:24:45,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:24:45,546 INFO L93 Difference]: Finished difference Result 2923 states and 3438 transitions. [2023-11-12 02:24:45,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:24:45,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 323 [2023-11-12 02:24:45,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:24:45,548 INFO L225 Difference]: With dead ends: 2923 [2023-11-12 02:24:45,548 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:24:45,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:24:45,552 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 132 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:24:45,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 43 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:24:45,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:24:45,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:24:45,553 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 02:24:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:24:45,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 323 [2023-11-12 02:24:45,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:24:45,554 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:24:45,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:24:45,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:24:45,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:24:45,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:24:45,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-12 02:24:45,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:24:45,717 INFO L899 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2023-11-12 02:24:45,717 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2023-11-12 02:24:45,717 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2023-11-12 02:24:45,717 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2023-11-12 02:24:45,718 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2023-11-12 02:24:45,718 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2023-11-12 02:24:45,718 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,718 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,718 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,718 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,719 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,719 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,719 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2023-11-12 02:24:45,719 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-11-12 02:24:45,719 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-11-12 02:24:45,719 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-11-12 02:24:45,719 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-11-12 02:24:45,720 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-11-12 02:24:45,720 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-11-12 02:24:45,720 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2023-11-12 02:24:45,721 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2023-11-12 02:24:45,721 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2023-11-12 02:24:45,722 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2023-11-12 02:24:45,722 INFO L899 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2023-11-12 02:24:45,722 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2023-11-12 02:24:45,723 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,723 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,723 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,723 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,723 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,723 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,724 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2023-11-12 02:24:45,724 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2023-11-12 02:24:45,724 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2023-11-12 02:24:45,724 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-11-12 02:24:45,724 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-11-12 02:24:45,724 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-11-12 02:24:45,725 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-11-12 02:24:45,725 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-11-12 02:24:45,726 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-11-12 02:24:45,726 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2023-11-12 02:24:45,726 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2023-11-12 02:24:45,726 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2023-11-12 02:24:45,726 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,726 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,727 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,727 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,727 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,727 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,727 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2023-11-12 02:24:45,727 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2023-11-12 02:24:45,728 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2023-11-12 02:24:45,728 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-11-12 02:24:45,728 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-11-12 02:24:45,728 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-11-12 02:24:45,728 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-11-12 02:24:45,728 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-11-12 02:24:45,728 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-12 02:24:45,729 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2023-11-12 02:24:45,729 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2023-11-12 02:24:45,729 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2023-11-12 02:24:45,729 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2023-11-12 02:24:45,729 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,729 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,730 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,730 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,730 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,730 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,730 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2023-11-12 02:24:45,730 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2023-11-12 02:24:45,730 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-11-12 02:24:45,731 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-11-12 02:24:45,731 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-11-12 02:24:45,731 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-11-12 02:24:45,731 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-11-12 02:24:45,732 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-11-12 02:24:45,732 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2023-11-12 02:24:45,732 INFO L899 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2023-11-12 02:24:45,732 INFO L899 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2023-11-12 02:24:45,732 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,732 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,733 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,733 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,733 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,734 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2023-11-12 02:24:45,734 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2023-11-12 02:24:45,734 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2023-11-12 02:24:45,735 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2023-11-12 02:24:45,735 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-11-12 02:24:45,735 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-11-12 02:24:45,735 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-11-12 02:24:45,735 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-11-12 02:24:45,735 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-12 02:24:45,736 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2023-11-12 02:24:45,736 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2023-11-12 02:24:45,736 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2023-11-12 02:24:45,736 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2023-11-12 02:24:45,736 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2023-11-12 02:24:45,736 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,737 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,737 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,737 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,737 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,737 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2023-11-12 02:24:45,737 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-11-12 02:24:45,737 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-11-12 02:24:45,738 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-11-12 02:24:45,738 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-11-12 02:24:45,738 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-12 02:24:45,738 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2023-11-12 02:24:45,739 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2023-11-12 02:24:45,739 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2023-11-12 02:24:45,739 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2023-11-12 02:24:45,739 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,740 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,740 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,740 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,740 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,740 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2023-11-12 02:24:45,741 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2023-11-12 02:24:45,741 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2023-11-12 02:24:45,741 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-11-12 02:24:45,741 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-11-12 02:24:45,741 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-11-12 02:24:45,741 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-11-12 02:24:45,742 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-11-12 02:24:45,742 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2023-11-12 02:24:45,742 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2023-11-12 02:24:45,742 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 602) no Hoare annotation was computed. [2023-11-12 02:24:45,742 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2023-11-12 02:24:45,742 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2023-11-12 02:24:45,742 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2023-11-12 02:24:45,743 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:24:45,743 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,743 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,743 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,743 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,743 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,744 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-11-12 02:24:45,744 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-11-12 02:24:45,744 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-11-12 02:24:45,744 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-11-12 02:24:45,744 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-11-12 02:24:45,744 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2023-11-12 02:24:45,745 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2023-11-12 02:24:45,745 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2023-11-12 02:24:45,745 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2023-11-12 02:24:45,745 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,745 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,745 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,746 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,746 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:24:45,746 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,746 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2023-11-12 02:24:45,746 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2023-11-12 02:24:45,746 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2023-11-12 02:24:45,746 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2023-11-12 02:24:45,747 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-11-12 02:24:45,747 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-11-12 02:24:45,747 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-11-12 02:24:45,747 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-11-12 02:24:45,747 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-11-12 02:24:45,747 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2023-11-12 02:24:45,748 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:24:45,748 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2023-11-12 02:24:45,748 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2023-11-12 02:24:45,749 INFO L895 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (= ~a10~0 0) .cse0 .cse1) (and (<= ~a19~0 9) (not .cse2) .cse0 .cse1) (and (<= 7 ~a19~0) .cse2 .cse0 .cse1))) [2023-11-12 02:24:45,749 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2023-11-12 02:24:45,750 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,750 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,750 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,750 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,750 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-11-12 02:24:45,750 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,750 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,751 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2023-11-12 02:24:45,751 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2023-11-12 02:24:45,751 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2023-11-12 02:24:45,751 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-11-12 02:24:45,751 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-11-12 02:24:45,751 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-11-12 02:24:45,752 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-11-12 02:24:45,752 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-11-12 02:24:45,752 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-11-12 02:24:45,752 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:24:45,752 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 86) no Hoare annotation was computed. [2023-11-12 02:24:45,753 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2023-11-12 02:24:45,753 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2023-11-12 02:24:45,753 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2023-11-12 02:24:45,753 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2023-11-12 02:24:45,753 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,753 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,754 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,754 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,754 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,754 INFO L899 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2023-11-12 02:24:45,754 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2023-11-12 02:24:45,754 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2023-11-12 02:24:45,754 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2023-11-12 02:24:45,755 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-11-12 02:24:45,755 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-11-12 02:24:45,755 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-11-12 02:24:45,755 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-11-12 02:24:45,755 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-11-12 02:24:45,755 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-12 02:24:45,759 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:24:45,763 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:24:45,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:24:45 BoogieIcfgContainer [2023-11-12 02:24:45,779 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:24:45,779 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:24:45,779 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:24:45,780 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:24:45,780 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:24:32" (3/4) ... [2023-11-12 02:24:45,782 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:24:45,806 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-12 02:24:45,807 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:24:45,808 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:24:45,810 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:24:46,016 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:24:46,017 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:24:46,017 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:24:46,018 INFO L158 Benchmark]: Toolchain (without parser) took 16008.63ms. Allocated memory was 144.7MB in the beginning and 249.6MB in the end (delta: 104.9MB). Free memory was 100.4MB in the beginning and 70.0MB in the end (delta: 30.4MB). Peak memory consumption was 136.6MB. Max. memory is 16.1GB. [2023-11-12 02:24:46,019 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:24:46,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 756.82ms. Allocated memory is still 144.7MB. Free memory was 99.8MB in the beginning and 71.7MB in the end (delta: 28.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-12 02:24:46,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.19ms. Allocated memory is still 144.7MB. Free memory was 71.7MB in the beginning and 64.1MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:24:46,020 INFO L158 Benchmark]: Boogie Preprocessor took 89.84ms. Allocated memory is still 144.7MB. Free memory was 64.1MB in the beginning and 59.1MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:24:46,020 INFO L158 Benchmark]: RCFGBuilder took 1539.12ms. Allocated memory is still 144.7MB. Free memory was 59.1MB in the beginning and 109.4MB in the end (delta: -50.2MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-11-12 02:24:46,021 INFO L158 Benchmark]: TraceAbstraction took 13268.70ms. Allocated memory was 144.7MB in the beginning and 249.6MB in the end (delta: 104.9MB). Free memory was 108.4MB in the beginning and 82.6MB in the end (delta: 25.8MB). Peak memory consumption was 130.5MB. Max. memory is 16.1GB. [2023-11-12 02:24:46,022 INFO L158 Benchmark]: Witness Printer took 237.93ms. Allocated memory is still 249.6MB. Free memory was 82.6MB in the beginning and 70.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:24:46,024 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 756.82ms. Allocated memory is still 144.7MB. Free memory was 99.8MB in the beginning and 71.7MB in the end (delta: 28.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.19ms. Allocated memory is still 144.7MB. Free memory was 71.7MB in the beginning and 64.1MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.84ms. Allocated memory is still 144.7MB. Free memory was 64.1MB in the beginning and 59.1MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1539.12ms. Allocated memory is still 144.7MB. Free memory was 59.1MB in the beginning and 109.4MB in the end (delta: -50.2MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13268.70ms. Allocated memory was 144.7MB in the beginning and 249.6MB in the end (delta: 104.9MB). Free memory was 108.4MB in the beginning and 82.6MB in the end (delta: 25.8MB). Peak memory consumption was 130.5MB. Max. memory is 16.1GB. * Witness Printer took 237.93ms. Allocated memory is still 249.6MB. Free memory was 82.6MB in the beginning and 70.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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: 86]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.2s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1087 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1087 mSDsluCounter, 749 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 692 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4159 IncrementalHoareTripleChecker+Invalid, 4851 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 692 mSolverCounterUnsat, 687 mSDtfsCounter, 4159 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 438 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1672occurred in iteration=8, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1116 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 13 NumberOfFragments, 38 HoareAnnotationTreeSize, 1 FomulaSimplifications, 80 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FomulaSimplificationsInter, 328 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 2237 NumberOfCodeBlocks, 2237 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2225 ConstructedInterpolants, 0 QuantifiedInterpolants, 8539 SizeOfPredicates, 0 NumberOfNonLiveVariables, 610 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 1504/1531 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: 592]: Loop Invariant Derived loop invariant: (((((a10 == 0) && (14 == a4)) && (a12 == 0)) || ((((a19 <= 9) && !((a10 == 1))) && (14 == a4)) && (a12 == 0))) || ((((7 <= a19) && (a10 == 1)) && (14 == a4)) && (a12 == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-12 02:24:46,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625a3902-337b-45bd-8e8b-17acddcdc302/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