./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label54.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label54.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86c957edaa3a19e9386396f93b83971b79b2c7d38305a79160055b9fd3c1d0de --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:10:22,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:10:22,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:10:22,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:10:22,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:10:22,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:10:22,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:10:22,870 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:10:22,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:10:22,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:10:22,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:10:22,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:10:22,879 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:10:22,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:10:22,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:10:22,882 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:10:22,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:10:22,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:10:22,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:10:22,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:10:22,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:10:22,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:10:22,886 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:10:22,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:10:22,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:10:22,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:10:22,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:10:22,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:10:22,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:10:22,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:10:22,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:10:22,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:10:22,900 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:10:22,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:10:22,900 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:10:22,901 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:10:22,901 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:10:22,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:10:22,901 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:10:22,902 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_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86c957edaa3a19e9386396f93b83971b79b2c7d38305a79160055b9fd3c1d0de [2023-11-06 22:10:23,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:10:23,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:10:23,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:10:23,294 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:10:23,295 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:10:23,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/eca-rers2012/Problem02_label54.c [2023-11-06 22:10:26,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:10:26,828 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:10:26,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/sv-benchmarks/c/eca-rers2012/Problem02_label54.c [2023-11-06 22:10:26,850 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/data/b2fca7b1f/6055fef8a3f0481a918394d868106a4c/FLAGcc4ab3e2d [2023-11-06 22:10:26,869 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/data/b2fca7b1f/6055fef8a3f0481a918394d868106a4c [2023-11-06 22:10:26,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:10:26,878 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:10:26,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:10:26,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:10:26,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:10:26,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:10:26" (1/1) ... [2023-11-06 22:10:26,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ed92f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:26, skipping insertion in model container [2023-11-06 22:10:26,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:10:26" (1/1) ... [2023-11-06 22:10:26,958 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:10:27,304 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_39021200-f00b-4c00-9e76-58934ae55922/sv-benchmarks/c/eca-rers2012/Problem02_label54.c[16901,16914] [2023-11-06 22:10:27,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:10:27,400 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:10:27,538 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_39021200-f00b-4c00-9e76-58934ae55922/sv-benchmarks/c/eca-rers2012/Problem02_label54.c[16901,16914] [2023-11-06 22:10:27,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:10:27,601 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:10:27,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27 WrapperNode [2023-11-06 22:10:27,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:10:27,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:10:27,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:10:27,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:10:27,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:27,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:27,692 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 669 [2023-11-06 22:10:27,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:10:27,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:10:27,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:10:27,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:10:27,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:27,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:27,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:27,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:27,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:27,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:27,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:27,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:27,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:10:27,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:10:27,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:10:27,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:10:27,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (1/1) ... [2023-11-06 22:10:27,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:10:27,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:27,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:10:28,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:10:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:10:28,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:10:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:10:28,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:10:28,112 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:10:28,114 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:10:29,127 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:10:29,137 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:10:29,138 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:10:29,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:10:29 BoogieIcfgContainer [2023-11-06 22:10:29,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:10:29,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:10:29,143 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:10:29,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:10:29,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:10:26" (1/3) ... [2023-11-06 22:10:29,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff6410a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:10:29, skipping insertion in model container [2023-11-06 22:10:29,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:10:27" (2/3) ... [2023-11-06 22:10:29,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff6410a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:10:29, skipping insertion in model container [2023-11-06 22:10:29,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:10:29" (3/3) ... [2023-11-06 22:10:29,150 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label54.c [2023-11-06 22:10:29,170 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:10:29,170 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:10:29,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:10:29,253 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6328eae2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:10:29,254 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:10:29,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:29,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-06 22:10:29,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:29,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:29,274 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:29,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:29,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1695579141, now seen corresponding path program 1 times [2023-11-06 22:10:29,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:29,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933894357] [2023-11-06 22:10:29,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:29,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:30,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:30,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:30,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933894357] [2023-11-06 22:10:30,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933894357] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:30,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:30,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:10:30,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781873661] [2023-11-06 22:10:30,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:30,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:30,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:30,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:30,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:30,084 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:31,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:31,086 INFO L93 Difference]: Finished difference Result 600 states and 1037 transitions. [2023-11-06 22:10:31,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:31,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 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 101 [2023-11-06 22:10:31,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:31,105 INFO L225 Difference]: With dead ends: 600 [2023-11-06 22:10:31,106 INFO L226 Difference]: Without dead ends: 309 [2023-11-06 22:10:31,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:31,114 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 65 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:31,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 171 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:10:31,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2023-11-06 22:10:31,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2023-11-06 22:10:31,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 306 states have (on average 1.3300653594771241) internal successors, (407), 306 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:31,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 407 transitions. [2023-11-06 22:10:31,179 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 407 transitions. Word has length 101 [2023-11-06 22:10:31,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:31,180 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 407 transitions. [2023-11-06 22:10:31,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:31,181 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 407 transitions. [2023-11-06 22:10:31,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-06 22:10:31,185 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:31,186 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:10:31,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:10:31,187 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:31,187 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:31,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1934321616, now seen corresponding path program 1 times [2023-11-06 22:10:31,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:31,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933831619] [2023-11-06 22:10:31,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:31,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:31,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:31,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:31,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933831619] [2023-11-06 22:10:31,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933831619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:31,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:31,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:10:31,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814035151] [2023-11-06 22:10:31,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:31,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:31,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:31,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:31,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:31,438 INFO L87 Difference]: Start difference. First operand 307 states and 407 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:32,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:32,101 INFO L93 Difference]: Finished difference Result 758 states and 1034 transitions. [2023-11-06 22:10:32,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:32,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 106 [2023-11-06 22:10:32,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:32,108 INFO L225 Difference]: With dead ends: 758 [2023-11-06 22:10:32,108 INFO L226 Difference]: Without dead ends: 453 [2023-11-06 22:10:32,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:32,111 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 63 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:32,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 248 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:10:32,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2023-11-06 22:10:32,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2023-11-06 22:10:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 452 states have (on average 1.2787610619469028) internal successors, (578), 452 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:32,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 578 transitions. [2023-11-06 22:10:32,161 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 578 transitions. Word has length 106 [2023-11-06 22:10:32,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:32,162 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 578 transitions. [2023-11-06 22:10:32,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:32,163 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 578 transitions. [2023-11-06 22:10:32,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 22:10:32,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:32,168 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 22:10:32,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:10:32,168 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:32,169 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:32,169 INFO L85 PathProgramCache]: Analyzing trace with hash -585314261, now seen corresponding path program 1 times [2023-11-06 22:10:32,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:32,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203470251] [2023-11-06 22:10:32,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:32,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:32,404 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:32,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:32,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203470251] [2023-11-06 22:10:32,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203470251] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:32,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:32,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:10:32,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766267420] [2023-11-06 22:10:32,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:32,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:32,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:32,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:32,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:32,408 INFO L87 Difference]: Start difference. First operand 453 states and 578 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:33,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:33,050 INFO L93 Difference]: Finished difference Result 1325 states and 1691 transitions. [2023-11-06 22:10:33,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:33,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 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 118 [2023-11-06 22:10:33,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:33,057 INFO L225 Difference]: With dead ends: 1325 [2023-11-06 22:10:33,057 INFO L226 Difference]: Without dead ends: 874 [2023-11-06 22:10:33,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:33,060 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 183 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:33,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 81 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:10:33,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2023-11-06 22:10:33,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2023-11-06 22:10:33,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 873 states have (on average 1.2290950744558993) internal successors, (1073), 873 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) [2023-11-06 22:10:33,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1073 transitions. [2023-11-06 22:10:33,102 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1073 transitions. Word has length 118 [2023-11-06 22:10:33,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:33,103 INFO L495 AbstractCegarLoop]: Abstraction has 874 states and 1073 transitions. [2023-11-06 22:10:33,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:33,103 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1073 transitions. [2023-11-06 22:10:33,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-06 22:10:33,109 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:33,109 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-06 22:10:33,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:10:33,110 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:33,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:33,110 INFO L85 PathProgramCache]: Analyzing trace with hash 343265928, now seen corresponding path program 1 times [2023-11-06 22:10:33,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:33,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011603446] [2023-11-06 22:10:33,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:33,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:33,329 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-06 22:10:33,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:33,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011603446] [2023-11-06 22:10:33,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011603446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:33,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:33,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:10:33,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721541003] [2023-11-06 22:10:33,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:33,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:33,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:33,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:33,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:33,334 INFO L87 Difference]: Start difference. First operand 874 states and 1073 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:33,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:33,885 INFO L93 Difference]: Finished difference Result 2028 states and 2468 transitions. [2023-11-06 22:10:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:33,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 147 [2023-11-06 22:10:33,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:33,892 INFO L225 Difference]: With dead ends: 2028 [2023-11-06 22:10:33,892 INFO L226 Difference]: Without dead ends: 1014 [2023-11-06 22:10:33,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:33,896 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 158 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:33,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 66 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:10:33,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2023-11-06 22:10:33,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 1012. [2023-11-06 22:10:33,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 1011 states have (on average 1.142433234421365) internal successors, (1155), 1011 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1155 transitions. [2023-11-06 22:10:33,928 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1155 transitions. Word has length 147 [2023-11-06 22:10:33,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:33,928 INFO L495 AbstractCegarLoop]: Abstraction has 1012 states and 1155 transitions. [2023-11-06 22:10:33,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1155 transitions. [2023-11-06 22:10:33,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-06 22:10:33,932 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:33,933 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-06 22:10:33,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:10:33,933 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:33,934 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:33,934 INFO L85 PathProgramCache]: Analyzing trace with hash 347440510, now seen corresponding path program 1 times [2023-11-06 22:10:33,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:33,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970779357] [2023-11-06 22:10:33,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:33,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 55 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-06 22:10:34,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:34,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970779357] [2023-11-06 22:10:34,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970779357] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:10:34,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841266393] [2023-11-06 22:10:34,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:34,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:34,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:34,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:34,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:10:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:34,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:10:34,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:34,907 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-06 22:10:34,908 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:34,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841266393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:34,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:10:34,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-06 22:10:34,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282367844] [2023-11-06 22:10:34,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:34,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:34,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:34,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:34,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:10:34,918 INFO L87 Difference]: Start difference. First operand 1012 states and 1155 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:35,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:35,454 INFO L93 Difference]: Finished difference Result 2302 states and 2672 transitions. [2023-11-06 22:10:35,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:35,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2023-11-06 22:10:35,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:35,464 INFO L225 Difference]: With dead ends: 2302 [2023-11-06 22:10:35,464 INFO L226 Difference]: Without dead ends: 1292 [2023-11-06 22:10:35,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:10:35,469 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 54 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:35,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 94 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:10:35,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2023-11-06 22:10:35,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1290. [2023-11-06 22:10:35,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1289 states have (on average 1.1497284716834755) internal successors, (1482), 1289 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:35,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1482 transitions. [2023-11-06 22:10:35,515 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1482 transitions. Word has length 151 [2023-11-06 22:10:35,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:35,517 INFO L495 AbstractCegarLoop]: Abstraction has 1290 states and 1482 transitions. [2023-11-06 22:10:35,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:35,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1482 transitions. [2023-11-06 22:10:35,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-06 22:10:35,522 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:35,522 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:35,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:35,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:35,728 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:35,729 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:35,729 INFO L85 PathProgramCache]: Analyzing trace with hash -294317375, now seen corresponding path program 1 times [2023-11-06 22:10:35,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:35,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648295478] [2023-11-06 22:10:35,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:35,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:35,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:35,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648295478] [2023-11-06 22:10:35,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648295478] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:35,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:35,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:10:35,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463651866] [2023-11-06 22:10:35,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:35,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:35,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:35,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:35,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:35,887 INFO L87 Difference]: Start difference. First operand 1290 states and 1482 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:36,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:36,167 INFO L93 Difference]: Finished difference Result 2427 states and 2792 transitions. [2023-11-06 22:10:36,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:36,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 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 155 [2023-11-06 22:10:36,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:36,175 INFO L225 Difference]: With dead ends: 2427 [2023-11-06 22:10:36,175 INFO L226 Difference]: Without dead ends: 1139 [2023-11-06 22:10:36,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:36,179 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 143 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:36,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 21 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:10:36,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2023-11-06 22:10:36,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1139. [2023-11-06 22:10:36,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1138 states have (on average 1.1001757469244289) internal successors, (1252), 1138 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:36,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1252 transitions. [2023-11-06 22:10:36,213 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1252 transitions. Word has length 155 [2023-11-06 22:10:36,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:36,214 INFO L495 AbstractCegarLoop]: Abstraction has 1139 states and 1252 transitions. [2023-11-06 22:10:36,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1252 transitions. [2023-11-06 22:10:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-06 22:10:36,219 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:36,220 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-06 22:10:36,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:10:36,220 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:36,220 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:36,221 INFO L85 PathProgramCache]: Analyzing trace with hash 27627730, now seen corresponding path program 1 times [2023-11-06 22:10:36,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:36,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11410397] [2023-11-06 22:10:36,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:36,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,429 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:36,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:36,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11410397] [2023-11-06 22:10:36,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11410397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:36,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:36,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:10:36,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60418129] [2023-11-06 22:10:36,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:36,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:36,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:36,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:36,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:36,435 INFO L87 Difference]: Start difference. First operand 1139 states and 1252 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:36,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:36,918 INFO L93 Difference]: Finished difference Result 2974 states and 3274 transitions. [2023-11-06 22:10:36,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:36,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 173 [2023-11-06 22:10:36,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:36,930 INFO L225 Difference]: With dead ends: 2974 [2023-11-06 22:10:36,930 INFO L226 Difference]: Without dead ends: 1837 [2023-11-06 22:10:36,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:10:36,936 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 132 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:36,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 39 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:10:36,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1837 states. [2023-11-06 22:10:36,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1837 to 1277. [2023-11-06 22:10:36,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 1276 states have (on average 1.115987460815047) internal successors, (1424), 1276 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1424 transitions. [2023-11-06 22:10:36,989 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1424 transitions. Word has length 173 [2023-11-06 22:10:36,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:36,989 INFO L495 AbstractCegarLoop]: Abstraction has 1277 states and 1424 transitions. [2023-11-06 22:10:36,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1424 transitions. [2023-11-06 22:10:36,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-06 22:10:36,995 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:36,996 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-06 22:10:36,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:10:36,996 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:10:36,997 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:36,997 INFO L85 PathProgramCache]: Analyzing trace with hash -751837008, now seen corresponding path program 1 times [2023-11-06 22:10:36,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:36,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121508361] [2023-11-06 22:10:36,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:37,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:37,731 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:10:37,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:37,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121508361] [2023-11-06 22:10:37,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121508361] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:10:37,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300909929] [2023-11-06 22:10:37,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:37,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:10:37,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:10:37,738 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:10:37,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:10:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:37,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:10:37,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:38,093 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-06 22:10:38,093 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:10:38,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300909929] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:38,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:10:38,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-06 22:10:38,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40987349] [2023-11-06 22:10:38,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:38,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:10:38,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:38,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:10:38,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:10:38,125 INFO L87 Difference]: Start difference. First operand 1277 states and 1424 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:38,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:38,609 INFO L93 Difference]: Finished difference Result 2830 states and 3138 transitions. [2023-11-06 22:10:38,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:10:38,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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 199 [2023-11-06 22:10:38,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:38,611 INFO L225 Difference]: With dead ends: 2830 [2023-11-06 22:10:38,611 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:10:38,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:10:38,615 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 43 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:38,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 215 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:10:38,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:10:38,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:10:38,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:10:38,617 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 199 [2023-11-06 22:10:38,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:38,618 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:10:38,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:10:38,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:10:38,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:10:38,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:10:38,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:10:38,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-06 22:10:38,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:10:39,161 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,161 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,162 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,162 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-11-06 22:10:39,162 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-11-06 22:10:39,162 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-11-06 22:10:39,162 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2023-11-06 22:10:39,162 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2023-11-06 22:10:39,162 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-11-06 22:10:39,163 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-11-06 22:10:39,163 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-11-06 22:10:39,163 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,163 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,163 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,163 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-11-06 22:10:39,163 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2023-11-06 22:10:39,163 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2023-11-06 22:10:39,163 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2023-11-06 22:10:39,164 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-11-06 22:10:39,164 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,164 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,164 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,164 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-11-06 22:10:39,164 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-11-06 22:10:39,164 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-11-06 22:10:39,164 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-11-06 22:10:39,165 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-11-06 22:10:39,165 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-11-06 22:10:39,165 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-11-06 22:10:39,165 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-11-06 22:10:39,165 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-11-06 22:10:39,165 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-11-06 22:10:39,165 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,165 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,165 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,166 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-11-06 22:10:39,166 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-11-06 22:10:39,166 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2023-11-06 22:10:39,166 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2023-11-06 22:10:39,166 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-11-06 22:10:39,166 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-11-06 22:10:39,170 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-11-06 22:10:39,170 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,171 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,171 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,171 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-11-06 22:10:39,175 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-11-06 22:10:39,175 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-11-06 22:10:39,176 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-11-06 22:10:39,176 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-11-06 22:10:39,176 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-11-06 22:10:39,176 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-11-06 22:10:39,176 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,176 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,177 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,177 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-11-06 22:10:39,177 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-11-06 22:10:39,177 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-11-06 22:10:39,177 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-11-06 22:10:39,177 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-11-06 22:10:39,178 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,178 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,178 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,178 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-11-06 22:10:39,178 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-11-06 22:10:39,178 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-11-06 22:10:39,179 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-11-06 22:10:39,179 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-11-06 22:10:39,179 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-11-06 22:10:39,179 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-11-06 22:10:39,180 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-11-06 22:10:39,181 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,181 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,181 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,182 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-11-06 22:10:39,182 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:10:39,182 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-11-06 22:10:39,182 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2023-11-06 22:10:39,182 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2023-11-06 22:10:39,182 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-11-06 22:10:39,182 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-11-06 22:10:39,183 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-11-06 22:10:39,183 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-11-06 22:10:39,183 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,183 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,183 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,183 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-11-06 22:10:39,184 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-11-06 22:10:39,184 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-11-06 22:10:39,184 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-11-06 22:10:39,184 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-11-06 22:10:39,184 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2023-11-06 22:10:39,184 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-11-06 22:10:39,185 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-11-06 22:10:39,185 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-11-06 22:10:39,185 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,185 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,185 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,185 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-11-06 22:10:39,186 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-11-06 22:10:39,186 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-11-06 22:10:39,186 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2023-11-06 22:10:39,186 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-11-06 22:10:39,186 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-11-06 22:10:39,186 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:10:39,187 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 485) no Hoare annotation was computed. [2023-11-06 22:10:39,187 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,187 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,187 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,187 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-11-06 22:10:39,187 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-11-06 22:10:39,188 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2023-11-06 22:10:39,188 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2023-11-06 22:10:39,188 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-11-06 22:10:39,188 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-11-06 22:10:39,188 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-11-06 22:10:39,188 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-11-06 22:10:39,189 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,189 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,189 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,189 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2023-11-06 22:10:39,189 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-11-06 22:10:39,189 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-11-06 22:10:39,190 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-11-06 22:10:39,190 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-11-06 22:10:39,190 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,190 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,190 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,190 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-11-06 22:10:39,191 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-11-06 22:10:39,191 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-11-06 22:10:39,192 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-11-06 22:10:39,192 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-11-06 22:10:39,192 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-11-06 22:10:39,193 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-11-06 22:10:39,194 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-11-06 22:10:39,195 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-11-06 22:10:39,195 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-11-06 22:10:39,195 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-11-06 22:10:39,197 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,197 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,197 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-11-06 22:10:39,197 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-11-06 22:10:39,198 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-11-06 22:10:39,199 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-11-06 22:10:39,199 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-11-06 22:10:39,199 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-11-06 22:10:39,199 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-11-06 22:10:39,199 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-11-06 22:10:39,199 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-11-06 22:10:39,200 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,200 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,200 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-11-06 22:10:39,200 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-11-06 22:10:39,200 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2023-11-06 22:10:39,200 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-11-06 22:10:39,201 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-11-06 22:10:39,201 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-11-06 22:10:39,201 INFO L902 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2023-11-06 22:10:39,201 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,201 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,202 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-11-06 22:10:39,202 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-11-06 22:10:39,202 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2023-11-06 22:10:39,202 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-11-06 22:10:39,202 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-11-06 22:10:39,202 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-11-06 22:10:39,203 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-11-06 22:10:39,203 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-11-06 22:10:39,203 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-11-06 22:10:39,203 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,203 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,203 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-11-06 22:10:39,204 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-11-06 22:10:39,204 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2023-11-06 22:10:39,204 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-11-06 22:10:39,204 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-11-06 22:10:39,204 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-11-06 22:10:39,205 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 10)) (.cse3 (= ~a28~0 10)) (.cse1 (<= ~a17~0 8)) (.cse2 (= ~a19~0 1)) (.cse4 (not (= ~a11~0 1)))) (or (and (<= ~a17~0 7) .cse0) (and .cse1 .cse0 .cse2) (and .cse3 .cse1) (and .cse3 .cse2) (and .cse1 (<= ~a28~0 7)) (and (<= ~a28~0 8) .cse1 .cse4) (and .cse1 .cse2 .cse4))) [2023-11-06 22:10:39,205 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,205 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,205 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-11-06 22:10:39,205 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-11-06 22:10:39,206 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-11-06 22:10:39,206 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-11-06 22:10:39,206 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-11-06 22:10:39,209 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,209 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,209 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-11-06 22:10:39,209 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-11-06 22:10:39,209 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-11-06 22:10:39,210 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-11-06 22:10:39,210 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-11-06 22:10:39,210 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-11-06 22:10:39,210 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-11-06 22:10:39,210 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-11-06 22:10:39,210 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-11-06 22:10:39,211 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,211 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,211 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-11-06 22:10:39,211 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:10:39,211 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-11-06 22:10:39,211 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-11-06 22:10:39,212 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-11-06 22:10:39,212 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-11-06 22:10:39,212 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-11-06 22:10:39,212 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:10:39,212 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-11-06 22:10:39,212 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,213 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,213 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,213 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-11-06 22:10:39,213 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-11-06 22:10:39,213 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-11-06 22:10:39,213 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-11-06 22:10:39,214 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-11-06 22:10:39,217 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 39 608) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 10)) (.cse3 (= ~a28~0 10)) (.cse1 (<= ~a17~0 8)) (.cse2 (= ~a19~0 1)) (.cse4 (not (= ~a11~0 1)))) (or (and (<= ~a17~0 7) .cse0) (and .cse1 .cse0 .cse2) (and .cse3 .cse1) (and .cse3 .cse2) (and .cse1 (<= ~a28~0 7)) (and (<= ~a28~0 8) .cse1 .cse4) (and .cse1 .cse2 .cse4))) [2023-11-06 22:10:39,217 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,217 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,217 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-11-06 22:10:39,217 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-11-06 22:10:39,218 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-11-06 22:10:39,218 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-11-06 22:10:39,218 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2023-11-06 22:10:39,218 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-11-06 22:10:39,218 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-11-06 22:10:39,222 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:39,224 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:10:39,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:10:39 BoogieIcfgContainer [2023-11-06 22:10:39,264 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:10:39,265 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:10:39,265 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:10:39,265 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:10:39,266 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:10:29" (3/4) ... [2023-11-06 22:10:39,268 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:10:39,298 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-06 22:10:39,299 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:10:39,301 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:10:39,302 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:10:39,473 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:10:39,474 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:10:39,475 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:10:39,475 INFO L158 Benchmark]: Toolchain (without parser) took 12597.35ms. Allocated memory was 127.9MB in the beginning and 232.8MB in the end (delta: 104.9MB). Free memory was 87.3MB in the beginning and 109.2MB in the end (delta: -22.0MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. [2023-11-06 22:10:39,476 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:10:39,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.92ms. Allocated memory is still 127.9MB. Free memory was 87.3MB in the beginning and 60.6MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 22:10:39,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.88ms. Allocated memory is still 127.9MB. Free memory was 60.6MB in the beginning and 55.0MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:10:39,478 INFO L158 Benchmark]: Boogie Preprocessor took 157.75ms. Allocated memory is still 127.9MB. Free memory was 54.9MB in the beginning and 50.8MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:10:39,478 INFO L158 Benchmark]: RCFGBuilder took 1258.59ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 95.7MB in the beginning and 113.0MB in the end (delta: -17.4MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2023-11-06 22:10:39,478 INFO L158 Benchmark]: TraceAbstraction took 10121.22ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 112.0MB in the beginning and 120.8MB in the end (delta: -8.8MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2023-11-06 22:10:39,479 INFO L158 Benchmark]: Witness Printer took 209.74ms. Allocated memory is still 232.8MB. Free memory was 120.8MB in the beginning and 109.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:10:39,482 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.92ms. Allocated memory is still 127.9MB. Free memory was 87.3MB in the beginning and 60.6MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.88ms. Allocated memory is still 127.9MB. Free memory was 60.6MB in the beginning and 55.0MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 157.75ms. Allocated memory is still 127.9MB. Free memory was 54.9MB in the beginning and 50.8MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1258.59ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 95.7MB in the beginning and 113.0MB in the end (delta: -17.4MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. * TraceAbstraction took 10121.22ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 112.0MB in the beginning and 120.8MB in the end (delta: -8.8MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Witness Printer took 209.74ms. Allocated memory is still 232.8MB. Free memory was 120.8MB in the beginning and 109.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 485]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 841 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 841 mSDsluCounter, 935 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 99 mSDsCounter, 546 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2648 IncrementalHoareTripleChecker+Invalid, 3194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 546 mSolverCounterUnsat, 836 mSDtfsCounter, 2648 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 371 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1290occurred in iteration=5, InterpolantAutomatonStates: 24, 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, 8 MinimizatonAttempts, 566 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 29 NumberOfFragments, 123 HoareAnnotationTreeSize, 3 FomulaSimplifications, 170 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 236 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1500 NumberOfCodeBlocks, 1500 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1490 ConstructedInterpolants, 0 QuantifiedInterpolants, 4969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 615 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 575/641 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: 39]: Loop Invariant Derived loop invariant: ((((((((a17 <= 7) && (a28 <= 10)) || (((a17 <= 8) && (a28 <= 10)) && (a19 == 1))) || ((a28 == 10) && (a17 <= 8))) || ((a28 == 10) && (a19 == 1))) || ((a17 <= 8) && (a28 <= 7))) || (((a28 <= 8) && (a17 <= 8)) && !((a11 == 1)))) || (((a17 <= 8) && (a19 == 1)) && !((a11 == 1)))) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((a17 <= 7) && (a28 <= 10)) || (((a17 <= 8) && (a28 <= 10)) && (a19 == 1))) || ((a28 == 10) && (a17 <= 8))) || ((a28 == 10) && (a19 == 1))) || ((a17 <= 8) && (a28 <= 7))) || (((a28 <= 8) && (a17 <= 8)) && !((a11 == 1)))) || (((a17 <= 8) && (a19 == 1)) && !((a11 == 1)))) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:10:39,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39021200-f00b-4c00-9e76-58934ae55922/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE