./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label49.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_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/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_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/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_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/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 6eed2c2d5e428bcec2beb9a0ebe7c478639dba36839dc4adf5520912920088de --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:02:15,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:02:15,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:02:15,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:02:15,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:02:15,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:02:15,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:02:15,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:02:15,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:02:15,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:02:15,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:02:15,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:02:15,827 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:02:15,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:02:15,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:02:15,829 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:02:15,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:02:15,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:02:15,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:02:15,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:02:15,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:02:15,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:02:15,833 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:02:15,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:02:15,833 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:02:15,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:02:15,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:02:15,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:02:15,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:15,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:02:15,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:02:15,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:02:15,838 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:02:15,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:02:15,838 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:02:15,838 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:02:15,838 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:02:15,839 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:02:15,839 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:02:15,839 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_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eed2c2d5e428bcec2beb9a0ebe7c478639dba36839dc4adf5520912920088de [2023-11-06 23:02:16,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:02:16,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:02:16,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:02:16,197 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:02:16,200 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:02:16,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/eca-rers2012/Problem15_label49.c [2023-11-06 23:02:19,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:02:19,842 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:02:19,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/sv-benchmarks/c/eca-rers2012/Problem15_label49.c [2023-11-06 23:02:19,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/data/151b4ee64/aad7fb7908e04bb99ffadcabf3296ba7/FLAG8d1dbe180 [2023-11-06 23:02:19,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/data/151b4ee64/aad7fb7908e04bb99ffadcabf3296ba7 [2023-11-06 23:02:19,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:02:19,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:02:19,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:19,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:02:19,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:02:19,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:19" (1/1) ... [2023-11-06 23:02:19,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5ef61f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:19, skipping insertion in model container [2023-11-06 23:02:19,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:02:19" (1/1) ... [2023-11-06 23:02:20,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:02:20,330 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_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/sv-benchmarks/c/eca-rers2012/Problem15_label49.c[6430,6443] [2023-11-06 23:02:20,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:20,853 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:02:20,892 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_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/sv-benchmarks/c/eca-rers2012/Problem15_label49.c[6430,6443] [2023-11-06 23:02:21,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:02:21,229 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:02:21,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:21 WrapperNode [2023-11-06 23:02:21,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:02:21,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:21,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:02:21,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:02:21,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:21" (1/1) ... [2023-11-06 23:02:21,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:21" (1/1) ... [2023-11-06 23:02:21,488 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1759 [2023-11-06 23:02:21,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:02:21,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:02:21,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:02:21,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:02:21,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:21" (1/1) ... [2023-11-06 23:02:21,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:21" (1/1) ... [2023-11-06 23:02:21,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:21" (1/1) ... [2023-11-06 23:02:21,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:21" (1/1) ... [2023-11-06 23:02:21,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:21" (1/1) ... [2023-11-06 23:02:21,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:21" (1/1) ... [2023-11-06 23:02:21,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:21" (1/1) ... [2023-11-06 23:02:21,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:21" (1/1) ... [2023-11-06 23:02:21,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:02:21,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:02:21,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:02:21,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:02:21,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:21" (1/1) ... [2023-11-06 23:02:21,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:02:21,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:21,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:02:21,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:02:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:02:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:02:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:02:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:02:21,944 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:02:21,946 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:02:25,187 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:02:25,199 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:02:25,199 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:02:25,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:25 BoogieIcfgContainer [2023-11-06 23:02:25,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:02:25,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:02:25,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:02:25,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:02:25,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:02:19" (1/3) ... [2023-11-06 23:02:25,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713c4e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:25, skipping insertion in model container [2023-11-06 23:02:25,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:02:21" (2/3) ... [2023-11-06 23:02:25,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713c4e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:02:25, skipping insertion in model container [2023-11-06 23:02:25,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:25" (3/3) ... [2023-11-06 23:02:25,213 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label49.c [2023-11-06 23:02:25,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:02:25,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:02:25,301 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:02:25,308 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;@4964aa40, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:02:25,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:02:25,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 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 23:02:25,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-06 23:02:25,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:25,326 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] [2023-11-06 23:02:25,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:25,332 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:25,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1382487458, now seen corresponding path program 1 times [2023-11-06 23:02:25,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:25,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845619039] [2023-11-06 23:02:25,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:25,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:25,830 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 23:02:25,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:25,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845619039] [2023-11-06 23:02:25,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845619039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:25,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:25,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:02:25,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507323735] [2023-11-06 23:02:25,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:25,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:25,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:25,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:25,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:02:25,888 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 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 23:02:28,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:28,861 INFO L93 Difference]: Finished difference Result 1191 states and 2157 transitions. [2023-11-06 23:02:28,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:28,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2023-11-06 23:02:28,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:28,884 INFO L225 Difference]: With dead ends: 1191 [2023-11-06 23:02:28,884 INFO L226 Difference]: Without dead ends: 688 [2023-11-06 23:02:28,890 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 23:02:28,894 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 319 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:28,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 230 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-06 23:02:28,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2023-11-06 23:02:29,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 680. [2023-11-06 23:02:29,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 679 states have (on average 1.609720176730486) internal successors, (1093), 679 states have internal predecessors, (1093), 0 states have call successors, (0), 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 23:02:29,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1093 transitions. [2023-11-06 23:02:29,010 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1093 transitions. Word has length 52 [2023-11-06 23:02:29,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:29,010 INFO L495 AbstractCegarLoop]: Abstraction has 680 states and 1093 transitions. [2023-11-06 23:02:29,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 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 23:02:29,011 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1093 transitions. [2023-11-06 23:02:29,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-06 23:02:29,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:29,017 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, 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 23:02:29,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:02:29,018 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:29,019 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:29,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1878954897, now seen corresponding path program 1 times [2023-11-06 23:02:29,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:29,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351690169] [2023-11-06 23:02:29,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:29,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:29,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:29,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351690169] [2023-11-06 23:02:29,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351690169] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:29,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:29,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:02:29,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063274464] [2023-11-06 23:02:29,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:29,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:29,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:29,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:29,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:02:29,296 INFO L87 Difference]: Start difference. First operand 680 states and 1093 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 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 23:02:31,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:31,400 INFO L93 Difference]: Finished difference Result 1964 states and 3171 transitions. [2023-11-06 23:02:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:31,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2023-11-06 23:02:31,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:31,410 INFO L225 Difference]: With dead ends: 1964 [2023-11-06 23:02:31,410 INFO L226 Difference]: Without dead ends: 1286 [2023-11-06 23:02:31,420 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 23:02:31,423 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 282 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:31,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 360 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 23:02:31,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2023-11-06 23:02:31,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1281. [2023-11-06 23:02:31,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1280 states have (on average 1.3953125) internal successors, (1786), 1280 states have internal predecessors, (1786), 0 states have call successors, (0), 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 23:02:31,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1786 transitions. [2023-11-06 23:02:31,499 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1786 transitions. Word has length 120 [2023-11-06 23:02:31,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:31,501 INFO L495 AbstractCegarLoop]: Abstraction has 1281 states and 1786 transitions. [2023-11-06 23:02:31,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 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 23:02:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1786 transitions. [2023-11-06 23:02:31,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-06 23:02:31,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:31,517 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:31,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:02:31,518 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:31,518 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:31,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1194964867, now seen corresponding path program 1 times [2023-11-06 23:02:31,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:31,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580692799] [2023-11-06 23:02:31,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:31,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:31,842 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:31,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:31,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580692799] [2023-11-06 23:02:31,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580692799] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:31,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:31,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:02:31,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734350448] [2023-11-06 23:02:31,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:31,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:31,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:31,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:31,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:02:31,845 INFO L87 Difference]: Start difference. First operand 1281 states and 1786 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 23:02:34,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:34,312 INFO L93 Difference]: Finished difference Result 3766 states and 5246 transitions. [2023-11-06 23:02:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:34,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2023-11-06 23:02:34,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:34,330 INFO L225 Difference]: With dead ends: 3766 [2023-11-06 23:02:34,330 INFO L226 Difference]: Without dead ends: 2487 [2023-11-06 23:02:34,336 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 23:02:34,344 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 276 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:34,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-06 23:02:34,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2023-11-06 23:02:34,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2487. [2023-11-06 23:02:34,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 2486 states have (on average 1.244569589702333) internal successors, (3094), 2486 states have internal predecessors, (3094), 0 states have call successors, (0), 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 23:02:34,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3094 transitions. [2023-11-06 23:02:34,420 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3094 transitions. Word has length 128 [2023-11-06 23:02:34,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:34,425 INFO L495 AbstractCegarLoop]: Abstraction has 2487 states and 3094 transitions. [2023-11-06 23:02:34,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 23:02:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3094 transitions. [2023-11-06 23:02:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 23:02:34,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:34,432 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:34,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:02:34,433 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:34,433 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:34,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1487686959, now seen corresponding path program 1 times [2023-11-06 23:02:34,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:34,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477589083] [2023-11-06 23:02:34,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:34,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:34,725 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:34,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:34,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477589083] [2023-11-06 23:02:34,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477589083] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:34,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:34,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:02:34,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523813169] [2023-11-06 23:02:34,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:34,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:34,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:34,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:34,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:02:34,731 INFO L87 Difference]: Start difference. First operand 2487 states and 3094 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 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 23:02:36,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:36,932 INFO L93 Difference]: Finished difference Result 6173 states and 7859 transitions. [2023-11-06 23:02:36,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:36,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2023-11-06 23:02:36,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:36,960 INFO L225 Difference]: With dead ends: 6173 [2023-11-06 23:02:36,960 INFO L226 Difference]: Without dead ends: 3688 [2023-11-06 23:02:36,964 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 23:02:36,974 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 233 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:36,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 364 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-06 23:02:36,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3688 states. [2023-11-06 23:02:37,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3688 to 3387. [2023-11-06 23:02:37,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3387 states, 3386 states have (on average 1.2114589486119314) internal successors, (4102), 3386 states have internal predecessors, (4102), 0 states have call successors, (0), 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 23:02:37,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3387 states and 4102 transitions. [2023-11-06 23:02:37,092 INFO L78 Accepts]: Start accepts. Automaton has 3387 states and 4102 transitions. Word has length 134 [2023-11-06 23:02:37,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:37,094 INFO L495 AbstractCegarLoop]: Abstraction has 3387 states and 4102 transitions. [2023-11-06 23:02:37,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 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 23:02:37,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 4102 transitions. [2023-11-06 23:02:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-06 23:02:37,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:37,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:37,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:02:37,099 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:37,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:37,100 INFO L85 PathProgramCache]: Analyzing trace with hash 649952050, now seen corresponding path program 1 times [2023-11-06 23:02:37,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:37,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622776999] [2023-11-06 23:02:37,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:37,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-06 23:02:37,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:37,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622776999] [2023-11-06 23:02:37,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622776999] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:37,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:37,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:02:37,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263401343] [2023-11-06 23:02:37,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:37,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:37,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:37,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:37,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:02:37,504 INFO L87 Difference]: Start difference. First operand 3387 states and 4102 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:39,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:39,986 INFO L93 Difference]: Finished difference Result 9172 states and 11160 transitions. [2023-11-06 23:02:39,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:39,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 248 [2023-11-06 23:02:39,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:40,025 INFO L225 Difference]: With dead ends: 9172 [2023-11-06 23:02:40,025 INFO L226 Difference]: Without dead ends: 5787 [2023-11-06 23:02:40,030 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 23:02:40,031 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 117 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:40,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 317 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-06 23:02:40,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5787 states. [2023-11-06 23:02:40,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5787 to 5186. [2023-11-06 23:02:40,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5186 states, 5185 states have (on average 1.1778206364513018) internal successors, (6107), 5185 states have internal predecessors, (6107), 0 states have call successors, (0), 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 23:02:40,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 5186 states and 6107 transitions. [2023-11-06 23:02:40,153 INFO L78 Accepts]: Start accepts. Automaton has 5186 states and 6107 transitions. Word has length 248 [2023-11-06 23:02:40,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:40,154 INFO L495 AbstractCegarLoop]: Abstraction has 5186 states and 6107 transitions. [2023-11-06 23:02:40,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:40,155 INFO L276 IsEmpty]: Start isEmpty. Operand 5186 states and 6107 transitions. [2023-11-06 23:02:40,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2023-11-06 23:02:40,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:40,162 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:40,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:02:40,162 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:40,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:40,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1477243746, now seen corresponding path program 1 times [2023-11-06 23:02:40,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:40,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11895995] [2023-11-06 23:02:40,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:40,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-06 23:02:41,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:41,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11895995] [2023-11-06 23:02:41,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11895995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:41,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:41,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:02:41,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472921225] [2023-11-06 23:02:41,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:41,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:41,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:41,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:41,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:02:41,229 INFO L87 Difference]: Start difference. First operand 5186 states and 6107 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 0 states have call successors, (0), 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 23:02:43,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:43,328 INFO L93 Difference]: Finished difference Result 10669 states and 12523 transitions. [2023-11-06 23:02:43,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:43,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 0 states have call successors, (0), 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 329 [2023-11-06 23:02:43,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:43,360 INFO L225 Difference]: With dead ends: 10669 [2023-11-06 23:02:43,360 INFO L226 Difference]: Without dead ends: 5485 [2023-11-06 23:02:43,368 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 23:02:43,369 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:43,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 23:02:43,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5485 states. [2023-11-06 23:02:43,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5485 to 5485. [2023-11-06 23:02:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5485 states, 5484 states have (on average 1.1692195477753464) internal successors, (6412), 5484 states have internal predecessors, (6412), 0 states have call successors, (0), 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 23:02:43,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5485 states to 5485 states and 6412 transitions. [2023-11-06 23:02:43,541 INFO L78 Accepts]: Start accepts. Automaton has 5485 states and 6412 transitions. Word has length 329 [2023-11-06 23:02:43,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:43,542 INFO L495 AbstractCegarLoop]: Abstraction has 5485 states and 6412 transitions. [2023-11-06 23:02:43,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 0 states have call successors, (0), 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 23:02:43,543 INFO L276 IsEmpty]: Start isEmpty. Operand 5485 states and 6412 transitions. [2023-11-06 23:02:43,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2023-11-06 23:02:43,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:43,550 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:43,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:02:43,551 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:43,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:43,552 INFO L85 PathProgramCache]: Analyzing trace with hash -68625954, now seen corresponding path program 1 times [2023-11-06 23:02:43,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:43,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811303251] [2023-11-06 23:02:43,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:43,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-06 23:02:43,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:43,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811303251] [2023-11-06 23:02:43,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811303251] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:43,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:43,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:02:43,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053006116] [2023-11-06 23:02:43,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:43,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:43,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:43,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:43,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:02:43,942 INFO L87 Difference]: Start difference. First operand 5485 states and 6412 transitions. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 23:02:47,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:47,438 INFO L93 Difference]: Finished difference Result 12762 states and 15152 transitions. [2023-11-06 23:02:47,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:47,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 339 [2023-11-06 23:02:47,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:47,475 INFO L225 Difference]: With dead ends: 12762 [2023-11-06 23:02:47,476 INFO L226 Difference]: Without dead ends: 7578 [2023-11-06 23:02:47,482 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 23:02:47,483 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 263 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:47,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-06 23:02:47,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7578 states. [2023-11-06 23:02:47,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7578 to 4883. [2023-11-06 23:02:47,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4883 states, 4882 states have (on average 1.1798443260958624) internal successors, (5760), 4882 states have internal predecessors, (5760), 0 states have call successors, (0), 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 23:02:47,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4883 states to 4883 states and 5760 transitions. [2023-11-06 23:02:47,619 INFO L78 Accepts]: Start accepts. Automaton has 4883 states and 5760 transitions. Word has length 339 [2023-11-06 23:02:47,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:47,620 INFO L495 AbstractCegarLoop]: Abstraction has 4883 states and 5760 transitions. [2023-11-06 23:02:47,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 23:02:47,621 INFO L276 IsEmpty]: Start isEmpty. Operand 4883 states and 5760 transitions. [2023-11-06 23:02:47,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2023-11-06 23:02:47,631 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:47,632 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:47,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:02:47,633 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:47,634 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:47,634 INFO L85 PathProgramCache]: Analyzing trace with hash 746881843, now seen corresponding path program 1 times [2023-11-06 23:02:47,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:47,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862108539] [2023-11-06 23:02:47,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:47,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:48,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:48,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862108539] [2023-11-06 23:02:48,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862108539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:48,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:48,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:02:48,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818641079] [2023-11-06 23:02:48,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:48,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:48,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:48,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:48,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:02:48,206 INFO L87 Difference]: Start difference. First operand 4883 states and 5760 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 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 23:02:51,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:51,230 INFO L93 Difference]: Finished difference Result 11270 states and 13601 transitions. [2023-11-06 23:02:51,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:51,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 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 404 [2023-11-06 23:02:51,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:51,264 INFO L225 Difference]: With dead ends: 11270 [2023-11-06 23:02:51,264 INFO L226 Difference]: Without dead ends: 6688 [2023-11-06 23:02:51,271 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 23:02:51,272 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 248 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:51,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 603 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-06 23:02:51,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6688 states. [2023-11-06 23:02:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6688 to 6087. [2023-11-06 23:02:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6087 states, 6086 states have (on average 1.1625041077883667) internal successors, (7075), 6086 states have internal predecessors, (7075), 0 states have call successors, (0), 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 23:02:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6087 states to 6087 states and 7075 transitions. [2023-11-06 23:02:51,427 INFO L78 Accepts]: Start accepts. Automaton has 6087 states and 7075 transitions. Word has length 404 [2023-11-06 23:02:51,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:51,428 INFO L495 AbstractCegarLoop]: Abstraction has 6087 states and 7075 transitions. [2023-11-06 23:02:51,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 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 23:02:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 6087 states and 7075 transitions. [2023-11-06 23:02:51,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2023-11-06 23:02:51,441 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:51,442 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:51,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 23:02:51,443 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:51,443 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:51,443 INFO L85 PathProgramCache]: Analyzing trace with hash -564953075, now seen corresponding path program 1 times [2023-11-06 23:02:51,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:51,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748551714] [2023-11-06 23:02:51,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:51,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:51,980 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-06 23:02:51,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:51,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748551714] [2023-11-06 23:02:51,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748551714] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:51,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:51,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:02:51,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501045527] [2023-11-06 23:02:51,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:51,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:51,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:51,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:51,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:02:51,985 INFO L87 Difference]: Start difference. First operand 6087 states and 7075 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:54,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:54,268 INFO L93 Difference]: Finished difference Result 13667 states and 16218 transitions. [2023-11-06 23:02:54,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:02:54,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 421 [2023-11-06 23:02:54,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:54,288 INFO L225 Difference]: With dead ends: 13667 [2023-11-06 23:02:54,289 INFO L226 Difference]: Without dead ends: 7881 [2023-11-06 23:02:54,296 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 23:02:54,297 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 248 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:54,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 617 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-06 23:02:54,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7881 states. [2023-11-06 23:02:54,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7881 to 7877. [2023-11-06 23:02:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7877 states, 7876 states have (on average 1.1452513966480447) internal successors, (9020), 7876 states have internal predecessors, (9020), 0 states have call successors, (0), 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 23:02:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7877 states to 7877 states and 9020 transitions. [2023-11-06 23:02:54,435 INFO L78 Accepts]: Start accepts. Automaton has 7877 states and 9020 transitions. Word has length 421 [2023-11-06 23:02:54,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:54,436 INFO L495 AbstractCegarLoop]: Abstraction has 7877 states and 9020 transitions. [2023-11-06 23:02:54,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:02:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand 7877 states and 9020 transitions. [2023-11-06 23:02:54,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2023-11-06 23:02:54,441 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:54,442 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:02:54,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 23:02:54,442 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:02:54,443 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:54,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1419669949, now seen corresponding path program 1 times [2023-11-06 23:02:54,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:54,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125687125] [2023-11-06 23:02:54,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:54,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 50 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:02:55,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:55,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125687125] [2023-11-06 23:02:55,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125687125] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:02:55,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8914677] [2023-11-06 23:02:55,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:55,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:55,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:55,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:55,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:02:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:55,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:02:55,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:59,378 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-06 23:02:59,378 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:59,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8914677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:59,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:02:59,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2023-11-06 23:02:59,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033891117] [2023-11-06 23:02:59,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:59,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:02:59,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:59,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:02:59,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:02:59,387 INFO L87 Difference]: Start difference. First operand 7877 states and 9020 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:02,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:02,372 INFO L93 Difference]: Finished difference Result 19641 states and 22592 transitions. [2023-11-06 23:03:02,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:03:02,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 429 [2023-11-06 23:03:02,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:02,389 INFO L225 Difference]: With dead ends: 19641 [2023-11-06 23:03:02,390 INFO L226 Difference]: Without dead ends: 9673 [2023-11-06 23:03:02,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:03:02,401 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 301 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:02,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 590 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-06 23:03:02,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9673 states. [2023-11-06 23:03:02,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9673 to 9673. [2023-11-06 23:03:02,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9673 states, 9672 states have (on average 1.087882547559967) internal successors, (10522), 9672 states have internal predecessors, (10522), 0 states have call successors, (0), 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 23:03:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9673 states to 9673 states and 10522 transitions. [2023-11-06 23:03:02,550 INFO L78 Accepts]: Start accepts. Automaton has 9673 states and 10522 transitions. Word has length 429 [2023-11-06 23:03:02,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:02,551 INFO L495 AbstractCegarLoop]: Abstraction has 9673 states and 10522 transitions. [2023-11-06 23:03:02,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:03:02,552 INFO L276 IsEmpty]: Start isEmpty. Operand 9673 states and 10522 transitions. [2023-11-06 23:03:02,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2023-11-06 23:03:02,560 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:02,560 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:02,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:02,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:02,767 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:02,768 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:02,768 INFO L85 PathProgramCache]: Analyzing trace with hash -507123401, now seen corresponding path program 1 times [2023-11-06 23:03:02,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:02,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194159671] [2023-11-06 23:03:02,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:02,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:05,767 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 350 proven. 106 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-06 23:03:05,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:05,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194159671] [2023-11-06 23:03:05,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194159671] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:03:05,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488757687] [2023-11-06 23:03:05,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:05,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:05,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:05,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:05,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:03:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:06,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:03:06,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:06,895 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 399 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:03:06,895 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:03:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 399 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:03:08,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488757687] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:03:08,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:03:08,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2023-11-06 23:03:08,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232929724] [2023-11-06 23:03:08,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:03:08,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 23:03:08,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:08,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 23:03:08,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:03:08,670 INFO L87 Difference]: Start difference. First operand 9673 states and 10522 transitions. Second operand has 10 states, 10 states have (on average 130.1) internal successors, (1301), 10 states have internal predecessors, (1301), 0 states have call successors, (0), 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 23:03:18,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:18,737 INFO L93 Difference]: Finished difference Result 25676 states and 27999 transitions. [2023-11-06 23:03:18,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-06 23:03:18,738 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 130.1) internal successors, (1301), 10 states have internal predecessors, (1301), 0 states have call successors, (0), 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 574 [2023-11-06 23:03:18,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:18,772 INFO L225 Difference]: With dead ends: 25676 [2023-11-06 23:03:18,772 INFO L226 Difference]: Without dead ends: 16304 [2023-11-06 23:03:18,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1170 GetRequests, 1149 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2023-11-06 23:03:18,783 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 2433 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 8156 mSolverCounterSat, 876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2433 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 9032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 876 IncrementalHoareTripleChecker+Valid, 8156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:18,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2433 Valid, 377 Invalid, 9032 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [876 Valid, 8156 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2023-11-06 23:03:18,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16304 states. [2023-11-06 23:03:19,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16304 to 14157. [2023-11-06 23:03:19,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14157 states, 14156 states have (on average 1.0662616558349816) internal successors, (15094), 14156 states have internal predecessors, (15094), 0 states have call successors, (0), 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 23:03:19,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14157 states to 14157 states and 15094 transitions. [2023-11-06 23:03:19,059 INFO L78 Accepts]: Start accepts. Automaton has 14157 states and 15094 transitions. Word has length 574 [2023-11-06 23:03:19,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:19,060 INFO L495 AbstractCegarLoop]: Abstraction has 14157 states and 15094 transitions. [2023-11-06 23:03:19,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 130.1) internal successors, (1301), 10 states have internal predecessors, (1301), 0 states have call successors, (0), 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 23:03:19,061 INFO L276 IsEmpty]: Start isEmpty. Operand 14157 states and 15094 transitions. [2023-11-06 23:03:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2023-11-06 23:03:19,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:19,076 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:19,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 23:03:19,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:19,283 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:19,283 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:19,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1216004057, now seen corresponding path program 1 times [2023-11-06 23:03:19,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:19,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246905325] [2023-11-06 23:03:19,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:19,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 534 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2023-11-06 23:03:19,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:19,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246905325] [2023-11-06 23:03:19,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246905325] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:19,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:19,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:03:19,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255481773] [2023-11-06 23:03:19,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:19,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:03:19,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:19,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:03:19,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:03:19,829 INFO L87 Difference]: Start difference. First operand 14157 states and 15094 transitions. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 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 23:03:21,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:21,694 INFO L93 Difference]: Finished difference Result 31898 states and 33954 transitions. [2023-11-06 23:03:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:03:21,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 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 670 [2023-11-06 23:03:21,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:21,730 INFO L225 Difference]: With dead ends: 31898 [2023-11-06 23:03:21,730 INFO L226 Difference]: Without dead ends: 17743 [2023-11-06 23:03:21,749 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 23:03:21,751 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 175 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:21,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 577 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-06 23:03:21,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17743 states. [2023-11-06 23:03:22,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17743 to 16846. [2023-11-06 23:03:22,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16846 states, 16845 states have (on average 1.0596022558622737) internal successors, (17849), 16845 states have internal predecessors, (17849), 0 states have call successors, (0), 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 23:03:22,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16846 states to 16846 states and 17849 transitions. [2023-11-06 23:03:22,068 INFO L78 Accepts]: Start accepts. Automaton has 16846 states and 17849 transitions. Word has length 670 [2023-11-06 23:03:22,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:22,069 INFO L495 AbstractCegarLoop]: Abstraction has 16846 states and 17849 transitions. [2023-11-06 23:03:22,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 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 23:03:22,070 INFO L276 IsEmpty]: Start isEmpty. Operand 16846 states and 17849 transitions. [2023-11-06 23:03:22,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2023-11-06 23:03:22,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:22,086 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:03:22,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 23:03:22,086 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:22,087 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:22,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1160879552, now seen corresponding path program 1 times [2023-11-06 23:03:22,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:22,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836876877] [2023-11-06 23:03:22,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:22,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2023-11-06 23:03:23,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:23,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836876877] [2023-11-06 23:03:23,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836876877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:23,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:23,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:03:23,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719706964] [2023-11-06 23:03:23,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:23,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:03:23,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:23,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:03:23,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:03:23,063 INFO L87 Difference]: Start difference. First operand 16846 states and 17849 transitions. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 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 23:03:25,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:25,417 INFO L93 Difference]: Finished difference Result 38210 states and 40654 transitions. [2023-11-06 23:03:25,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:03:25,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 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 701 [2023-11-06 23:03:25,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:25,445 INFO L225 Difference]: With dead ends: 38210 [2023-11-06 23:03:25,446 INFO L226 Difference]: Without dead ends: 21366 [2023-11-06 23:03:25,457 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 23:03:25,458 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 285 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:25,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 286 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-06 23:03:25,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21366 states. [2023-11-06 23:03:25,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21366 to 19560. [2023-11-06 23:03:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19560 states, 19559 states have (on average 1.063653561020502) internal successors, (20804), 19559 states have internal predecessors, (20804), 0 states have call successors, (0), 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 23:03:25,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19560 states to 19560 states and 20804 transitions. [2023-11-06 23:03:25,788 INFO L78 Accepts]: Start accepts. Automaton has 19560 states and 20804 transitions. Word has length 701 [2023-11-06 23:03:25,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:25,790 INFO L495 AbstractCegarLoop]: Abstraction has 19560 states and 20804 transitions. [2023-11-06 23:03:25,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 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 23:03:25,790 INFO L276 IsEmpty]: Start isEmpty. Operand 19560 states and 20804 transitions. [2023-11-06 23:03:25,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2023-11-06 23:03:25,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:25,809 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:25,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 23:03:25,810 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:25,810 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:25,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1141578840, now seen corresponding path program 1 times [2023-11-06 23:03:25,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:25,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423654472] [2023-11-06 23:03:25,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:25,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:27,007 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2023-11-06 23:03:27,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:27,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423654472] [2023-11-06 23:03:27,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423654472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:27,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:27,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:03:27,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574997525] [2023-11-06 23:03:27,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:27,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:03:27,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:27,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:03:27,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:03:27,012 INFO L87 Difference]: Start difference. First operand 19560 states and 20804 transitions. Second operand has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 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 23:03:30,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:30,280 INFO L93 Difference]: Finished difference Result 46320 states and 49123 transitions. [2023-11-06 23:03:30,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:03:30,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 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 749 [2023-11-06 23:03:30,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:30,306 INFO L225 Difference]: With dead ends: 46320 [2023-11-06 23:03:30,307 INFO L226 Difference]: Without dead ends: 26762 [2023-11-06 23:03:30,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:03:30,317 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 523 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 2026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:30,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 98 Invalid, 2026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [321 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-06 23:03:30,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26762 states. [2023-11-06 23:03:30,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26762 to 21056. [2023-11-06 23:03:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21056 states, 21055 states have (on average 1.0644977440037995) internal successors, (22413), 21055 states have internal predecessors, (22413), 0 states have call successors, (0), 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 23:03:30,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21056 states to 21056 states and 22413 transitions. [2023-11-06 23:03:30,716 INFO L78 Accepts]: Start accepts. Automaton has 21056 states and 22413 transitions. Word has length 749 [2023-11-06 23:03:30,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:30,718 INFO L495 AbstractCegarLoop]: Abstraction has 21056 states and 22413 transitions. [2023-11-06 23:03:30,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 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 23:03:30,718 INFO L276 IsEmpty]: Start isEmpty. Operand 21056 states and 22413 transitions. [2023-11-06 23:03:30,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 833 [2023-11-06 23:03:30,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:30,742 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:30,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 23:03:30,743 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:30,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:30,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1743926933, now seen corresponding path program 1 times [2023-11-06 23:03:30,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:30,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821154861] [2023-11-06 23:03:30,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:30,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:31,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 1061 trivial. 0 not checked. [2023-11-06 23:03:31,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:31,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821154861] [2023-11-06 23:03:31,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821154861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:31,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:31,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:03:31,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760843148] [2023-11-06 23:03:31,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:31,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:03:31,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:31,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:03:31,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:03:31,589 INFO L87 Difference]: Start difference. First operand 21056 states and 22413 transitions. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 23:03:33,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:33,726 INFO L93 Difference]: Finished difference Result 45397 states and 48380 transitions. [2023-11-06 23:03:33,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:03:33,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 832 [2023-11-06 23:03:33,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:33,753 INFO L225 Difference]: With dead ends: 45397 [2023-11-06 23:03:33,753 INFO L226 Difference]: Without dead ends: 21353 [2023-11-06 23:03:33,768 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 23:03:33,769 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 398 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:33,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 419 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-06 23:03:33,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21353 states. [2023-11-06 23:03:34,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21353 to 20755. [2023-11-06 23:03:34,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20755 states, 20754 states have (on average 1.0508335742507469) internal successors, (21809), 20754 states have internal predecessors, (21809), 0 states have call successors, (0), 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 23:03:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20755 states to 20755 states and 21809 transitions. [2023-11-06 23:03:34,095 INFO L78 Accepts]: Start accepts. Automaton has 20755 states and 21809 transitions. Word has length 832 [2023-11-06 23:03:34,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:34,097 INFO L495 AbstractCegarLoop]: Abstraction has 20755 states and 21809 transitions. [2023-11-06 23:03:34,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 23:03:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 20755 states and 21809 transitions. [2023-11-06 23:03:34,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 846 [2023-11-06 23:03:34,120 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:34,121 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:34,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 23:03:34,121 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:34,122 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:34,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1382587238, now seen corresponding path program 1 times [2023-11-06 23:03:34,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:34,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123914833] [2023-11-06 23:03:34,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:34,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1436 backedges. 1123 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2023-11-06 23:03:35,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:35,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123914833] [2023-11-06 23:03:35,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123914833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:35,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:35,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:03:35,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160375469] [2023-11-06 23:03:35,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:35,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:03:35,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:35,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:03:35,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:03:35,081 INFO L87 Difference]: Start difference. First operand 20755 states and 21809 transitions. Second operand has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 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 23:03:36,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:36,875 INFO L93 Difference]: Finished difference Result 46290 states and 48731 transitions. [2023-11-06 23:03:36,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:03:36,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 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 845 [2023-11-06 23:03:36,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:36,901 INFO L225 Difference]: With dead ends: 46290 [2023-11-06 23:03:36,902 INFO L226 Difference]: Without dead ends: 25537 [2023-11-06 23:03:36,914 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 23:03:36,915 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 214 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:36,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 125 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-06 23:03:36,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25537 states. [2023-11-06 23:03:37,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25537 to 22846. [2023-11-06 23:03:37,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22846 states, 22845 states have (on average 1.049201138104618) internal successors, (23969), 22845 states have internal predecessors, (23969), 0 states have call successors, (0), 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 23:03:37,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22846 states to 22846 states and 23969 transitions. [2023-11-06 23:03:37,338 INFO L78 Accepts]: Start accepts. Automaton has 22846 states and 23969 transitions. Word has length 845 [2023-11-06 23:03:37,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:37,339 INFO L495 AbstractCegarLoop]: Abstraction has 22846 states and 23969 transitions. [2023-11-06 23:03:37,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 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 23:03:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 22846 states and 23969 transitions. [2023-11-06 23:03:37,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 854 [2023-11-06 23:03:37,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:37,354 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:37,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 23:03:37,354 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:37,355 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:37,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1557373609, now seen corresponding path program 1 times [2023-11-06 23:03:37,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:37,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723662649] [2023-11-06 23:03:37,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:37,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:39,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 575 proven. 511 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2023-11-06 23:03:39,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:39,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723662649] [2023-11-06 23:03:39,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723662649] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:03:39,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988527105] [2023-11-06 23:03:39,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:39,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:39,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:39,141 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:39,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:03:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:39,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:03:39,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 710 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2023-11-06 23:03:39,850 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:39,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988527105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:39,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:03:39,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-06 23:03:39,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197804061] [2023-11-06 23:03:39,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:39,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:03:39,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:39,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:03:39,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:03:39,855 INFO L87 Difference]: Start difference. First operand 22846 states and 23969 transitions. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 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 23:03:41,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:41,692 INFO L93 Difference]: Finished difference Result 44487 states and 46697 transitions. [2023-11-06 23:03:41,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:03:41,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 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 853 [2023-11-06 23:03:41,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:41,723 INFO L225 Difference]: With dead ends: 44487 [2023-11-06 23:03:41,724 INFO L226 Difference]: Without dead ends: 21643 [2023-11-06 23:03:41,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 857 GetRequests, 853 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:03:41,737 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 189 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:41,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 526 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-06 23:03:41,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21643 states. [2023-11-06 23:03:42,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21643 to 21642. [2023-11-06 23:03:42,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21642 states, 21641 states have (on average 1.0349798992652834) internal successors, (22398), 21641 states have internal predecessors, (22398), 0 states have call successors, (0), 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 23:03:42,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21642 states to 21642 states and 22398 transitions. [2023-11-06 23:03:42,104 INFO L78 Accepts]: Start accepts. Automaton has 21642 states and 22398 transitions. Word has length 853 [2023-11-06 23:03:42,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:42,105 INFO L495 AbstractCegarLoop]: Abstraction has 21642 states and 22398 transitions. [2023-11-06 23:03:42,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 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 23:03:42,105 INFO L276 IsEmpty]: Start isEmpty. Operand 21642 states and 22398 transitions. [2023-11-06 23:03:42,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2023-11-06 23:03:42,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:42,130 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:42,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:42,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 23:03:42,331 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:42,331 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:42,331 INFO L85 PathProgramCache]: Analyzing trace with hash 724448889, now seen corresponding path program 1 times [2023-11-06 23:03:42,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:42,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398249045] [2023-11-06 23:03:42,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:42,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:42,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 1161 trivial. 0 not checked. [2023-11-06 23:03:42,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:42,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398249045] [2023-11-06 23:03:42,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398249045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:42,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:42,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:03:42,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535803812] [2023-11-06 23:03:42,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:42,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:03:43,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:43,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:03:43,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:03:43,001 INFO L87 Difference]: Start difference. First operand 21642 states and 22398 transitions. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 23:03:44,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:44,690 INFO L93 Difference]: Finished difference Result 46569 states and 48176 transitions. [2023-11-06 23:03:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:03:44,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 882 [2023-11-06 23:03:44,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:44,715 INFO L225 Difference]: With dead ends: 46569 [2023-11-06 23:03:44,715 INFO L226 Difference]: Without dead ends: 24929 [2023-11-06 23:03:44,725 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 23:03:44,726 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 336 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:44,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 178 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 23:03:44,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24929 states. [2023-11-06 23:03:45,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24929 to 23134. [2023-11-06 23:03:45,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23134 states, 23133 states have (on average 1.0321618467124887) internal successors, (23877), 23133 states have internal predecessors, (23877), 0 states have call successors, (0), 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 23:03:45,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23134 states to 23134 states and 23877 transitions. [2023-11-06 23:03:45,133 INFO L78 Accepts]: Start accepts. Automaton has 23134 states and 23877 transitions. Word has length 882 [2023-11-06 23:03:45,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:45,134 INFO L495 AbstractCegarLoop]: Abstraction has 23134 states and 23877 transitions. [2023-11-06 23:03:45,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 23:03:45,134 INFO L276 IsEmpty]: Start isEmpty. Operand 23134 states and 23877 transitions. [2023-11-06 23:03:45,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 947 [2023-11-06 23:03:45,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:45,153 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-06 23:03:45,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 23:03:45,153 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:45,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:45,154 INFO L85 PathProgramCache]: Analyzing trace with hash -2139398581, now seen corresponding path program 1 times [2023-11-06 23:03:45,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:45,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627938676] [2023-11-06 23:03:45,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:45,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 806 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2023-11-06 23:03:45,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:45,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627938676] [2023-11-06 23:03:45,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627938676] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:45,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:45,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:03:45,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412081874] [2023-11-06 23:03:45,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:45,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:03:45,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:45,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:03:45,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:03:45,738 INFO L87 Difference]: Start difference. First operand 23134 states and 23877 transitions. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 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 23:03:47,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:47,252 INFO L93 Difference]: Finished difference Result 48956 states and 50530 transitions. [2023-11-06 23:03:47,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:03:47,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 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 946 [2023-11-06 23:03:47,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:47,278 INFO L225 Difference]: With dead ends: 48956 [2023-11-06 23:03:47,279 INFO L226 Difference]: Without dead ends: 25824 [2023-11-06 23:03:47,289 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 23:03:47,290 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 143 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:47,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 451 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 23:03:47,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25824 states. [2023-11-06 23:03:47,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25824 to 22834. [2023-11-06 23:03:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22834 states, 22833 states have (on average 1.030963955678185) internal successors, (23540), 22833 states have internal predecessors, (23540), 0 states have call successors, (0), 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 23:03:47,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22834 states to 22834 states and 23540 transitions. [2023-11-06 23:03:47,706 INFO L78 Accepts]: Start accepts. Automaton has 22834 states and 23540 transitions. Word has length 946 [2023-11-06 23:03:47,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:47,707 INFO L495 AbstractCegarLoop]: Abstraction has 22834 states and 23540 transitions. [2023-11-06 23:03:47,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 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 23:03:47,708 INFO L276 IsEmpty]: Start isEmpty. Operand 22834 states and 23540 transitions. [2023-11-06 23:03:47,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 949 [2023-11-06 23:03:47,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:47,730 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:47,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-06 23:03:47,730 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:47,731 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:47,731 INFO L85 PathProgramCache]: Analyzing trace with hash -271275100, now seen corresponding path program 1 times [2023-11-06 23:03:47,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:47,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828830877] [2023-11-06 23:03:47,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:47,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 853 proven. 0 refuted. 0 times theorem prover too weak. 996 trivial. 0 not checked. [2023-11-06 23:03:48,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:48,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828830877] [2023-11-06 23:03:48,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828830877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:48,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:48,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:03:48,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559218240] [2023-11-06 23:03:48,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:48,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:03:48,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:48,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:03:48,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:03:48,441 INFO L87 Difference]: Start difference. First operand 22834 states and 23540 transitions. Second operand has 4 states, 4 states have (on average 120.25) internal successors, (481), 4 states have internal predecessors, (481), 0 states have call successors, (0), 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 23:03:50,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:50,949 INFO L93 Difference]: Finished difference Result 48060 states and 49523 transitions. [2023-11-06 23:03:50,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:03:50,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 120.25) internal successors, (481), 4 states have internal predecessors, (481), 0 states have call successors, (0), 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 948 [2023-11-06 23:03:50,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:50,980 INFO L225 Difference]: With dead ends: 48060 [2023-11-06 23:03:50,980 INFO L226 Difference]: Without dead ends: 25228 [2023-11-06 23:03:50,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:03:50,992 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 505 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 1912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:50,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 460 Invalid, 1912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1764 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-06 23:03:51,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25228 states. [2023-11-06 23:03:51,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25228 to 20427. [2023-11-06 23:03:51,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20427 states, 20426 states have (on average 1.027464995593851) internal successors, (20987), 20426 states have internal predecessors, (20987), 0 states have call successors, (0), 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 23:03:51,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20427 states to 20427 states and 20987 transitions. [2023-11-06 23:03:51,369 INFO L78 Accepts]: Start accepts. Automaton has 20427 states and 20987 transitions. Word has length 948 [2023-11-06 23:03:51,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:51,371 INFO L495 AbstractCegarLoop]: Abstraction has 20427 states and 20987 transitions. [2023-11-06 23:03:51,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.25) internal successors, (481), 4 states have internal predecessors, (481), 0 states have call successors, (0), 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 23:03:51,371 INFO L276 IsEmpty]: Start isEmpty. Operand 20427 states and 20987 transitions. [2023-11-06 23:03:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2023-11-06 23:03:51,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:51,390 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 23:03:51,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-06 23:03:51,391 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:51,391 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:51,392 INFO L85 PathProgramCache]: Analyzing trace with hash -949870862, now seen corresponding path program 1 times [2023-11-06 23:03:51,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:51,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438012112] [2023-11-06 23:03:51,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:51,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 1057 proven. 263 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2023-11-06 23:03:54,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:54,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438012112] [2023-11-06 23:03:54,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438012112] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:03:54,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706505359] [2023-11-06 23:03:54,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:54,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:54,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:54,851 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:54,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 23:03:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:55,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 1138 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:03:55,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:56,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 980 proven. 366 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-11-06 23:03:56,424 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:03:57,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 892 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2023-11-06 23:03:57,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706505359] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 23:03:57,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:03:57,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 6] total 11 [2023-11-06 23:03:57,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749704496] [2023-11-06 23:03:57,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:57,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:03:57,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:57,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:03:57,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:03:57,233 INFO L87 Difference]: Start difference. First operand 20427 states and 20987 transitions. Second operand has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 0 states have call successors, (0), 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 23:03:59,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:59,916 INFO L93 Difference]: Finished difference Result 45345 states and 46550 transitions. [2023-11-06 23:03:59,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:03:59,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 0 states have call successors, (0), 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 980 [2023-11-06 23:03:59,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:59,944 INFO L225 Difference]: With dead ends: 45345 [2023-11-06 23:03:59,944 INFO L226 Difference]: Without dead ends: 24621 [2023-11-06 23:03:59,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1963 GetRequests, 1954 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:03:59,955 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 410 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 1511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:59,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 72 Invalid, 1511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 1249 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-06 23:03:59,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24621 states. [2023-11-06 23:04:00,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24621 to 19216. [2023-11-06 23:04:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19216 states, 19215 states have (on average 1.0259172521467603) internal successors, (19713), 19215 states have internal predecessors, (19713), 0 states have call successors, (0), 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 23:04:00,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19216 states to 19216 states and 19713 transitions. [2023-11-06 23:04:00,233 INFO L78 Accepts]: Start accepts. Automaton has 19216 states and 19713 transitions. Word has length 980 [2023-11-06 23:04:00,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:00,235 INFO L495 AbstractCegarLoop]: Abstraction has 19216 states and 19713 transitions. [2023-11-06 23:04:00,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 0 states have call successors, (0), 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 23:04:00,235 INFO L276 IsEmpty]: Start isEmpty. Operand 19216 states and 19713 transitions. [2023-11-06 23:04:00,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1004 [2023-11-06 23:04:00,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:00,258 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:00,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:04:00,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:04:00,459 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:00,460 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:00,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1736568820, now seen corresponding path program 1 times [2023-11-06 23:04:00,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:00,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719802351] [2023-11-06 23:04:00,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:00,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:03,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2030 backedges. 1258 proven. 263 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2023-11-06 23:04:03,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:04:03,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719802351] [2023-11-06 23:04:03,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719802351] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:04:03,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171045840] [2023-11-06 23:04:03,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:03,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:04:03,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:03,781 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:04:03,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 23:04:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:04,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 1184 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 23:04:04,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:05,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2030 backedges. 1633 proven. 2 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2023-11-06 23:04:05,837 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:04:07,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2030 backedges. 1484 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2023-11-06 23:04:07,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171045840] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 23:04:07,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:04:07,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 9 [2023-11-06 23:04:07,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720362004] [2023-11-06 23:04:07,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:04:07,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:04:07,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:04:07,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:04:07,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:04:07,154 INFO L87 Difference]: Start difference. First operand 19216 states and 19713 transitions. Second operand has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 states have internal predecessors, (586), 0 states have call successors, (0), 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 23:04:09,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:09,238 INFO L93 Difference]: Finished difference Result 38785 states and 39787 transitions. [2023-11-06 23:04:09,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:04:09,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 states have internal predecessors, (586), 0 states have call successors, (0), 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 1003 [2023-11-06 23:04:09,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:09,258 INFO L225 Difference]: With dead ends: 38785 [2023-11-06 23:04:09,258 INFO L226 Difference]: Without dead ends: 19571 [2023-11-06 23:04:09,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2011 GetRequests, 2003 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:04:09,268 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 418 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:04:09,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 515 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-06 23:04:09,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19571 states. [2023-11-06 23:04:09,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19571 to 19216. [2023-11-06 23:04:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19216 states, 19215 states have (on average 1.025552953421806) internal successors, (19706), 19215 states have internal predecessors, (19706), 0 states have call successors, (0), 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 23:04:09,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19216 states to 19216 states and 19706 transitions. [2023-11-06 23:04:09,531 INFO L78 Accepts]: Start accepts. Automaton has 19216 states and 19706 transitions. Word has length 1003 [2023-11-06 23:04:09,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:09,532 INFO L495 AbstractCegarLoop]: Abstraction has 19216 states and 19706 transitions. [2023-11-06 23:04:09,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 states have internal predecessors, (586), 0 states have call successors, (0), 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 23:04:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 19216 states and 19706 transitions. [2023-11-06 23:04:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1010 [2023-11-06 23:04:09,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:09,558 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:09,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-06 23:04:09,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-06 23:04:09,766 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:09,767 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:09,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1493509216, now seen corresponding path program 1 times [2023-11-06 23:04:09,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:09,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047065398] [2023-11-06 23:04:09,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:09,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:12,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2050 backedges. 1345 proven. 418 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-06 23:04:12,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:04:12,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047065398] [2023-11-06 23:04:12,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047065398] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:04:12,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779265878] [2023-11-06 23:04:12,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:12,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:04:12,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:12,756 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:04:12,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 23:04:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:13,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 23:04:13,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:04:14,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2050 backedges. 1451 proven. 252 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2023-11-06 23:04:14,641 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:04:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2050 backedges. 1320 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2023-11-06 23:04:17,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779265878] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 23:04:17,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:04:17,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 11 [2023-11-06 23:04:17,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440973478] [2023-11-06 23:04:17,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:04:17,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:04:17,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:04:17,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:04:17,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:04:17,850 INFO L87 Difference]: Start difference. First operand 19216 states and 19706 transitions. Second operand has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 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 23:04:20,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:20,395 INFO L93 Difference]: Finished difference Result 39629 states and 40634 transitions. [2023-11-06 23:04:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:04:20,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 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 1009 [2023-11-06 23:04:20,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:20,414 INFO L225 Difference]: With dead ends: 39629 [2023-11-06 23:04:20,414 INFO L226 Difference]: Without dead ends: 20415 [2023-11-06 23:04:20,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2022 GetRequests, 2013 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:04:20,424 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 622 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:04:20,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 56 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 1100 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-06 23:04:20,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20415 states. [2023-11-06 23:04:20,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20415 to 18917. [2023-11-06 23:04:20,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18917 states, 18916 states have (on average 1.0256925354197506) internal successors, (19402), 18916 states have internal predecessors, (19402), 0 states have call successors, (0), 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 23:04:20,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18917 states to 18917 states and 19402 transitions. [2023-11-06 23:04:20,766 INFO L78 Accepts]: Start accepts. Automaton has 18917 states and 19402 transitions. Word has length 1009 [2023-11-06 23:04:20,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:20,767 INFO L495 AbstractCegarLoop]: Abstraction has 18917 states and 19402 transitions. [2023-11-06 23:04:20,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 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 23:04:20,768 INFO L276 IsEmpty]: Start isEmpty. Operand 18917 states and 19402 transitions. [2023-11-06 23:04:20,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1014 [2023-11-06 23:04:20,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:20,792 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 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 23:04:20,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-06 23:04:21,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-06 23:04:21,001 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:21,001 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:21,001 INFO L85 PathProgramCache]: Analyzing trace with hash 603965171, now seen corresponding path program 1 times [2023-11-06 23:04:21,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:21,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227467927] [2023-11-06 23:04:21,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:21,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:23,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1342 backedges. 1070 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-06 23:04:23,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:04:23,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227467927] [2023-11-06 23:04:23,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227467927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:04:23,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:04:23,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:04:23,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899838222] [2023-11-06 23:04:23,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:04:23,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:04:23,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:04:23,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:04:23,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:04:23,347 INFO L87 Difference]: Start difference. First operand 18917 states and 19402 transitions. Second operand has 6 states, 6 states have (on average 123.66666666666667) internal successors, (742), 6 states have internal predecessors, (742), 0 states have call successors, (0), 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 23:04:28,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:28,659 INFO L93 Difference]: Finished difference Result 53531 states and 54881 transitions. [2023-11-06 23:04:28,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 23:04:28,659 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 123.66666666666667) internal successors, (742), 6 states have internal predecessors, (742), 0 states have call successors, (0), 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 1013 [2023-11-06 23:04:28,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:28,685 INFO L225 Difference]: With dead ends: 53531 [2023-11-06 23:04:28,686 INFO L226 Difference]: Without dead ends: 34616 [2023-11-06 23:04:28,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:04:28,696 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 1102 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 3795 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 4231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 3795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:04:28,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1102 Valid, 241 Invalid, 4231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 3795 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-06 23:04:28,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34616 states. [2023-11-06 23:04:28,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34616 to 19515. [2023-11-06 23:04:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19515 states, 19514 states have (on average 1.0252126678282258) internal successors, (20006), 19514 states have internal predecessors, (20006), 0 states have call successors, (0), 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 23:04:29,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19515 states to 19515 states and 20006 transitions. [2023-11-06 23:04:29,022 INFO L78 Accepts]: Start accepts. Automaton has 19515 states and 20006 transitions. Word has length 1013 [2023-11-06 23:04:29,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:29,023 INFO L495 AbstractCegarLoop]: Abstraction has 19515 states and 20006 transitions. [2023-11-06 23:04:29,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 123.66666666666667) internal successors, (742), 6 states have internal predecessors, (742), 0 states have call successors, (0), 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 23:04:29,023 INFO L276 IsEmpty]: Start isEmpty. Operand 19515 states and 20006 transitions. [2023-11-06 23:04:29,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1032 [2023-11-06 23:04:29,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:04:29,040 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:29,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-06 23:04:29,041 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:04:29,041 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:04:29,041 INFO L85 PathProgramCache]: Analyzing trace with hash 934949930, now seen corresponding path program 1 times [2023-11-06 23:04:29,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:04:29,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326050359] [2023-11-06 23:04:29,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:04:29,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:04:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:04:30,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1734 backedges. 1250 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-06 23:04:30,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:04:30,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326050359] [2023-11-06 23:04:30,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326050359] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:04:30,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:04:30,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:04:30,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675714798] [2023-11-06 23:04:30,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:04:30,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:04:30,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:04:30,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:04:30,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:04:30,225 INFO L87 Difference]: Start difference. First operand 19515 states and 20006 transitions. Second operand has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 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 23:04:31,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:04:31,974 INFO L93 Difference]: Finished difference Result 42623 states and 43702 transitions. [2023-11-06 23:04:31,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:04:31,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 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 1031 [2023-11-06 23:04:31,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:04:31,975 INFO L225 Difference]: With dead ends: 42623 [2023-11-06 23:04:31,975 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 23:04:31,983 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 23:04:31,984 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 189 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:04:31,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 505 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 23:04:31,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 23:04:31,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 23:04:31,985 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 23:04:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:04:31,985 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1031 [2023-11-06 23:04:31,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:04:31,986 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:04:31,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.0) internal successors, (669), 3 states have internal predecessors, (669), 0 states have call successors, (0), 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 23:04:31,986 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:04:31,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 23:04:31,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:04:31,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-06 23:04:31,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 23:04:51,955 WARN L293 SmtUtils]: Spent 19.95s on a formula simplification. DAG size of input: 820 DAG size of output: 775 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-06 23:05:03,557 WARN L293 SmtUtils]: Spent 7.95s on a formula simplification. DAG size of input: 598 DAG size of output: 570 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2023-11-06 23:05:10,470 WARN L293 SmtUtils]: Spent 6.91s on a formula simplification. DAG size of input: 775 DAG size of output: 124 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-06 23:05:18,499 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,499 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,499 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,499 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2023-11-06 23:05:18,500 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,500 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,500 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2023-11-06 23:05:18,500 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2023-11-06 23:05:18,500 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,500 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,500 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,501 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2023-11-06 23:05:18,501 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,501 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,501 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,501 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,501 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,502 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2023-11-06 23:05:18,502 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,502 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,502 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2023-11-06 23:05:18,502 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2023-11-06 23:05:18,502 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,502 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,503 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2023-11-06 23:05:18,503 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,503 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-11-06 23:05:18,503 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,503 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2023-11-06 23:05:18,503 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2023-11-06 23:05:18,503 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,503 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,503 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2023-11-06 23:05:18,503 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2023-11-06 23:05:18,504 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,504 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,504 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,504 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,504 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,504 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2023-11-06 23:05:18,504 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,504 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,504 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,504 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,504 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,505 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,505 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2023-11-06 23:05:18,505 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,505 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,505 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,505 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2023-11-06 23:05:18,505 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,505 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,505 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2023-11-06 23:05:18,505 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,506 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,506 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,506 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,506 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,506 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,506 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2023-11-06 23:05:18,506 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,506 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,506 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,506 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,506 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2023-11-06 23:05:18,507 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2023-11-06 23:05:18,507 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,507 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,507 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,507 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,507 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-11-06 23:05:18,507 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2023-11-06 23:05:18,507 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,507 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,507 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,508 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,508 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,508 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2023-11-06 23:05:18,508 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,508 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2023-11-06 23:05:18,508 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2023-11-06 23:05:18,509 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2023-11-06 23:05:18,509 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2023-11-06 23:05:18,509 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,509 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,509 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,509 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,510 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,510 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2023-11-06 23:05:18,510 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,510 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,510 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-11-06 23:05:18,510 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:05:18,511 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed. [2023-11-06 23:05:18,511 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,511 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2023-11-06 23:05:18,511 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,511 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,511 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,512 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2023-11-06 23:05:18,512 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,512 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2023-11-06 23:05:18,512 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2023-11-06 23:05:18,512 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2023-11-06 23:05:18,512 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2023-11-06 23:05:18,513 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2023-11-06 23:05:18,513 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2023-11-06 23:05:18,513 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,513 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,513 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,514 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,514 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2023-11-06 23:05:18,514 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2023-11-06 23:05:18,514 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,514 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2023-11-06 23:05:18,514 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,515 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,515 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,515 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,515 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,515 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,515 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-11-06 23:05:18,516 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,516 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,516 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,516 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,516 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,516 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2023-11-06 23:05:18,517 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2023-11-06 23:05:18,517 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,517 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-11-06 23:05:18,517 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2023-11-06 23:05:18,517 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2023-11-06 23:05:18,517 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,518 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2023-11-06 23:05:18,518 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2023-11-06 23:05:18,518 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,518 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,518 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,518 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,519 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-11-06 23:05:18,519 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2023-11-06 23:05:18,519 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,519 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,519 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,520 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2023-11-06 23:05:18,520 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2023-11-06 23:05:18,520 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,520 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-11-06 23:05:18,521 INFO L895 garLoopResultBuilder]: At program point calculate_output2_returnLabel#1(lines 1668 1768) the Hoare annotation is: (let ((.cse3 (= 3 ~a2~0))) (let ((.cse22 (+ ~a29~0 16)) (.cse23 (not .cse3)) (.cse24 (div ~a29~0 5))) (let ((.cse18 (<= 0 (+ 146 ~a0~0))) (.cse12 (<= 0 (+ ~a0~0 60))) (.cse6 (or .cse23 (let ((.cse25 (+ 134675 .cse24))) (and (<= 0 .cse25) (or (not (= (mod ~a29~0 5) 0)) (< 0 .cse25)))))) (.cse19 (<= (+ 107 ~a0~0) 0)) (.cse7 (= 5 ~a2~0)) (.cse20 (<= (+ ~a0~0 99) 0)) (.cse11 (= 2 ~a2~0)) (.cse5 (<= (+ 51 ~a29~0) 0)) (.cse16 (<= (+ ~a0~0 147) 0)) (.cse15 (= ~a2~0 4)) (.cse17 (<= 44 ~a29~0)) (.cse8 (<= .cse24 190395)) (.cse13 (<= (+ ~a29~0 144) 0)) (.cse2 (<= .cse22 0)) (.cse0 (<= 0 (+ 97 ~a0~0))) (.cse14 (<= 0 (+ ~a29~0 15))) (.cse1 (<= 0 (+ ~a4~0 85))) (.cse21 (= ~a2~0 1)) (.cse9 (<= (+ 89 ~a4~0) 0)) (.cse10 (<= ~a29~0 599998)) (.cse4 (<= (+ ~a0~0 61) 0))) (or (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse4)) .cse6) (and .cse7 .cse1 .cse8 .cse4) (and (<= 134656 ~a29~0) .cse9 .cse10 .cse4) (and .cse11 .cse12 .cse13) (and .cse14 .cse12 .cse10 .cse3) (and .cse0 .cse15 .cse8) (and .cse9 (<= (+ ~a29~0 107481) 0) .cse4) (and .cse7 .cse16) (and .cse17 .cse18 .cse10 .cse15) (and (or (and .cse19 .cse18 .cse15) (and .cse1 .cse20 .cse15)) .cse2) (and .cse7 .cse12 .cse10) (and .cse11 .cse1 .cse20 .cse10) (and .cse16 .cse21 .cse8) (and .cse19 .cse11 .cse17 .cse10) (and .cse11 .cse1 (<= ~a29~0 43) .cse4) (and .cse16 .cse10 .cse3) (and .cse21 .cse10 .cse4) (and .cse1 .cse20 .cse8 (< 0 .cse22) .cse3) (and .cse9 .cse5 .cse6 .cse3) (and .cse19 .cse2 .cse3) (and .cse7 .cse2) (and .cse20 .cse9) (and .cse11 .cse9 .cse10) (and .cse11 .cse1 .cse16) (and (not (= |ULTIMATE.start_calculate_output_~input#1| 3)) (<= 0 (+ ~a29~0 127)) .cse9 .cse21 .cse5 (<= 0 (+ 44 ~a0~0))) (and (or (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) (< 0 (+ 42 ~a4~0))) .cse1 .cse16 .cse15 .cse8) (and .cse0 .cse17 .cse9 .cse8 .cse3 .cse4) (and .cse21 .cse13) (and .cse0 .cse9 .cse2 .cse4) (and .cse0 .cse1 .cse14 .cse10 .cse3) (and .cse1 .cse21 .cse10) (and .cse23 .cse9 .cse10 .cse4))))) [2023-11-06 23:05:18,521 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,521 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,521 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,521 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,522 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,522 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,522 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-11-06 23:05:18,522 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,522 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,523 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2023-11-06 23:05:18,523 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,523 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,523 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,523 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,523 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-11-06 23:05:18,524 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,524 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,524 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,524 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,524 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,524 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2023-11-06 23:05:18,525 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,525 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,525 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,525 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,525 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2023-11-06 23:05:18,525 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,526 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,526 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:05:18,526 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,526 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2023-11-06 23:05:18,526 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2023-11-06 23:05:18,526 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,527 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,527 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2023-11-06 23:05:18,527 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,527 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,527 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,527 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,528 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,528 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2023-11-06 23:05:18,528 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 33 1666) the Hoare annotation is: (let ((.cse3 (= 3 ~a2~0))) (let ((.cse22 (+ ~a29~0 16)) (.cse23 (not .cse3)) (.cse24 (div ~a29~0 5))) (let ((.cse18 (<= 0 (+ 146 ~a0~0))) (.cse12 (<= 0 (+ ~a0~0 60))) (.cse6 (or .cse23 (let ((.cse25 (+ 134675 .cse24))) (and (<= 0 .cse25) (or (not (= (mod ~a29~0 5) 0)) (< 0 .cse25)))))) (.cse19 (<= (+ 107 ~a0~0) 0)) (.cse7 (= 5 ~a2~0)) (.cse15 (= ~a2~0 4)) (.cse20 (<= (+ ~a0~0 99) 0)) (.cse11 (= 2 ~a2~0)) (.cse16 (<= (+ ~a0~0 147) 0)) (.cse17 (<= 44 ~a29~0)) (.cse8 (<= .cse24 190395)) (.cse13 (<= (+ ~a29~0 144) 0)) (.cse2 (<= .cse22 0)) (.cse0 (<= 0 (+ 97 ~a0~0))) (.cse14 (<= 0 (+ ~a29~0 15))) (.cse1 (<= 0 (+ ~a4~0 85))) (.cse21 (= ~a2~0 1)) (.cse5 (<= (+ 51 ~a29~0) 0)) (.cse9 (<= (+ 89 ~a4~0) 0)) (.cse10 (<= ~a29~0 599998)) (.cse4 (<= (+ ~a0~0 61) 0))) (or (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse4)) .cse6) (and .cse7 .cse1 .cse8 .cse4) (and (<= 134656 ~a29~0) .cse9 .cse10 .cse4) (and .cse11 .cse12 .cse13) (and .cse14 .cse12 .cse10 .cse3) (and .cse0 .cse15 .cse8) (and .cse7 .cse16) (and .cse17 .cse18 .cse10 .cse15) (and (or (and .cse19 .cse18 .cse15) (and .cse1 .cse20 .cse15)) .cse2) (and .cse7 .cse12 .cse10) (and .cse11 .cse1 .cse20 .cse10) (and .cse16 .cse21 .cse8) (and .cse19 .cse11 .cse17 .cse10) (and .cse11 .cse1 (<= ~a29~0 43) .cse4) (and .cse16 .cse10 .cse3) (and .cse21 .cse10 .cse4) (and .cse1 .cse20 .cse8 (< 0 .cse22) .cse3) (and .cse9 .cse5 .cse6 .cse3) (and .cse19 .cse2 .cse3) (and .cse7 .cse2) (and .cse1 .cse16 .cse15 .cse8) (and .cse20 .cse9) (and .cse11 .cse9 .cse10) (and .cse11 .cse1 .cse16) (and (not (= |ULTIMATE.start_calculate_output_~input#1| 3)) (<= 0 (+ ~a29~0 127)) .cse9 .cse21 .cse5 (<= 0 (+ 44 ~a0~0))) (and .cse0 .cse17 .cse9 .cse8 .cse3 .cse4) (and .cse21 .cse13) (and .cse0 .cse9 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse14 .cse10 .cse3) (and .cse1 .cse21 .cse10) (and .cse9 .cse5 .cse3 .cse4) (and .cse23 .cse9 .cse10 .cse4))))) [2023-11-06 23:05:18,528 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,529 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,529 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,529 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,529 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,529 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2023-11-06 23:05:18,529 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,529 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,530 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2023-11-06 23:05:18,530 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,530 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2023-11-06 23:05:18,530 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-06 23:05:18,530 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,530 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,530 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,530 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,530 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,530 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2023-11-06 23:05:18,530 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2023-11-06 23:05:18,531 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,531 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2023-11-06 23:05:18,531 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-11-06 23:05:18,531 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,531 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,531 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,531 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,531 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,531 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2023-11-06 23:05:18,531 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2023-11-06 23:05:18,531 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2023-11-06 23:05:18,532 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2023-11-06 23:05:18,532 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,532 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,532 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,532 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-11-06 23:05:18,532 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-11-06 23:05:18,532 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,532 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2023-11-06 23:05:18,532 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,532 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,532 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,533 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,533 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2023-11-06 23:05:18,533 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2023-11-06 23:05:18,533 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2023-11-06 23:05:18,533 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,533 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-06 23:05:18,533 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,533 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,533 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,533 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,533 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,534 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,534 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,534 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,534 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2023-11-06 23:05:18,534 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-11-06 23:05:18,534 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2023-11-06 23:05:18,534 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2023-11-06 23:05:18,534 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,534 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,535 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,535 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,535 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2023-11-06 23:05:18,535 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-06 23:05:18,535 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,535 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,536 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,536 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,536 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,536 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,536 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,537 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2023-11-06 23:05:18,537 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,537 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2023-11-06 23:05:18,537 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2023-11-06 23:05:18,537 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,537 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2023-11-06 23:05:18,538 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2023-11-06 23:05:18,538 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2023-11-06 23:05:18,538 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-06 23:05:18,538 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,538 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,538 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,538 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,538 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,538 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-11-06 23:05:18,538 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-11-06 23:05:18,538 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,539 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2023-11-06 23:05:18,539 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2023-11-06 23:05:18,539 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,539 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,539 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:05:18,539 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,539 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,539 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,540 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,540 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse3 (= 3 ~a2~0))) (let ((.cse22 (+ ~a29~0 16)) (.cse23 (not .cse3)) (.cse24 (div ~a29~0 5))) (let ((.cse18 (<= 0 (+ 146 ~a0~0))) (.cse12 (<= 0 (+ ~a0~0 60))) (.cse5 (<= (+ 51 ~a29~0) 0)) (.cse6 (or .cse23 (let ((.cse25 (+ 134675 .cse24))) (and (<= 0 .cse25) (or (not (= (mod ~a29~0 5) 0)) (< 0 .cse25)))))) (.cse19 (<= (+ 107 ~a0~0) 0)) (.cse7 (= 5 ~a2~0)) (.cse15 (= ~a2~0 4)) (.cse20 (<= (+ ~a0~0 99) 0)) (.cse11 (= 2 ~a2~0)) (.cse16 (<= (+ ~a0~0 147) 0)) (.cse17 (<= 44 ~a29~0)) (.cse8 (<= .cse24 190395)) (.cse13 (<= (+ ~a29~0 144) 0)) (.cse2 (<= .cse22 0)) (.cse0 (<= 0 (+ 97 ~a0~0))) (.cse14 (<= 0 (+ ~a29~0 15))) (.cse1 (<= 0 (+ ~a4~0 85))) (.cse21 (= ~a2~0 1)) (.cse9 (<= (+ 89 ~a4~0) 0)) (.cse10 (<= ~a29~0 599998)) (.cse4 (<= (+ ~a0~0 61) 0))) (or (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse4)) .cse6) (and .cse7 .cse1 .cse8 .cse4) (and (<= 134656 ~a29~0) .cse9 .cse10 .cse4) (and .cse11 .cse12 .cse13) (and .cse14 .cse12 .cse10 .cse3) (and .cse0 .cse15 .cse8) (and .cse9 (<= (+ ~a29~0 107481) 0) .cse4) (and .cse7 .cse16) (and .cse17 .cse18 .cse10 .cse15) (and (or (and .cse19 .cse18 .cse15) (and .cse1 .cse20 .cse15)) .cse2) (and .cse7 .cse12 .cse10) (and (<= 0 (+ ~a29~0 127)) .cse9 .cse21 .cse5 (<= 0 (+ 44 ~a0~0))) (and .cse11 .cse1 .cse20 .cse10) (and .cse16 .cse21 .cse8) (and .cse19 .cse11 .cse17 .cse10) (and .cse11 .cse1 (<= ~a29~0 43) .cse4) (and .cse16 .cse10 .cse3) (and .cse21 .cse10 .cse4) (and .cse1 .cse20 .cse8 (< 0 .cse22) .cse3) (and .cse9 .cse5 .cse6 .cse3) (and .cse19 .cse2 .cse3) (and .cse7 .cse2) (and .cse1 .cse16 .cse15 .cse8) (and .cse20 .cse9) (and .cse11 .cse9 .cse10) (and .cse11 .cse1 .cse16) (and .cse0 .cse17 .cse9 .cse8 .cse3 .cse4) (and .cse21 .cse13) (and .cse0 .cse9 .cse2 .cse4) (and .cse0 .cse1 .cse14 .cse10 .cse3) (and .cse1 .cse21 .cse10) (and .cse23 .cse9 .cse10 .cse4))))) [2023-11-06 23:05:18,540 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,541 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-11-06 23:05:18,541 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-11-06 23:05:18,541 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,541 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,541 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,541 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,542 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,542 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,542 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-11-06 23:05:18,542 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-11-06 23:05:18,542 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,542 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,543 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2023-11-06 23:05:18,543 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,543 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,543 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,543 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,543 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,544 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,544 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2023-11-06 23:05:18,544 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-11-06 23:05:18,544 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,544 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,544 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,545 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,545 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,545 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,545 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-11-06 23:05:18,545 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,545 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-11-06 23:05:18,545 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,546 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,546 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,546 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,546 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,546 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,546 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,547 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-11-06 23:05:18,547 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-11-06 23:05:18,547 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,547 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,547 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,547 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,548 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,548 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,548 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,548 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2023-11-06 23:05:18,548 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-11-06 23:05:18,548 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,548 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,548 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,548 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,549 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,549 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,549 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,549 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2023-11-06 23:05:18,549 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2023-11-06 23:05:18,549 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,549 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2023-11-06 23:05:18,549 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2023-11-06 23:05:18,549 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,549 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,549 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,549 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,550 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,550 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,550 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-11-06 23:05:18,550 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-11-06 23:05:18,550 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,550 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,550 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,550 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,550 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,550 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,550 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,550 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,551 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2023-11-06 23:05:18,551 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-11-06 23:05:18,551 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,551 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2023-11-06 23:05:18,551 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2023-11-06 23:05:18,551 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,552 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,552 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,552 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,552 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,552 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2023-11-06 23:05:18,552 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2023-11-06 23:05:18,553 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,553 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,553 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,553 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,553 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2023-11-06 23:05:18,553 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2023-11-06 23:05:18,553 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2023-11-06 23:05:18,554 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,554 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2023-11-06 23:05:18,554 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2023-11-06 23:05:18,554 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,554 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,554 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,555 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,555 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,555 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,555 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,555 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-11-06 23:05:18,555 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2023-11-06 23:05:18,556 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,556 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,556 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,556 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2023-11-06 23:05:18,556 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 23:05:18,556 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,557 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,557 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2023-11-06 23:05:18,557 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,557 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,557 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,557 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,557 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,558 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,558 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,558 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2023-11-06 23:05:18,558 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2023-11-06 23:05:18,558 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,558 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2023-11-06 23:05:18,559 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,559 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2023-11-06 23:05:18,559 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,559 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2023-11-06 23:05:18,559 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2023-11-06 23:05:18,563 INFO L445 BasicCegarLoop]: Path program 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] [2023-11-06 23:05:18,566 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:05:18,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:05:18 BoogieIcfgContainer [2023-11-06 23:05:18,630 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:05:18,631 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:05:18,631 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:05:18,631 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:05:18,632 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:02:25" (3/4) ... [2023-11-06 23:05:18,634 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:05:18,686 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-06 23:05:18,691 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 23:05:18,695 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 23:05:18,699 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:05:19,007 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:05:19,008 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:05:19,008 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:05:19,009 INFO L158 Benchmark]: Toolchain (without parser) took 179101.98ms. Allocated memory was 153.1MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 110.6MB in the beginning and 708.1MB in the end (delta: -597.5MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-11-06 23:05:19,010 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:05:19,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1321.83ms. Allocated memory was 153.1MB in the beginning and 188.7MB in the end (delta: 35.7MB). Free memory was 110.6MB in the beginning and 137.5MB in the end (delta: -26.9MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2023-11-06 23:05:19,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 257.57ms. Allocated memory is still 188.7MB. Free memory was 137.5MB in the beginning and 99.8MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-06 23:05:19,011 INFO L158 Benchmark]: Boogie Preprocessor took 305.68ms. Allocated memory is still 188.7MB. Free memory was 99.8MB in the beginning and 121.3MB in the end (delta: -21.6MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2023-11-06 23:05:19,014 INFO L158 Benchmark]: RCFGBuilder took 3406.78ms. Allocated memory was 188.7MB in the beginning and 283.1MB in the end (delta: 94.4MB). Free memory was 121.3MB in the beginning and 126.6MB in the end (delta: -5.3MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. [2023-11-06 23:05:19,014 INFO L158 Benchmark]: TraceAbstraction took 173424.79ms. Allocated memory was 283.1MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 126.6MB in the beginning and 734.4MB in the end (delta: -607.7MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-11-06 23:05:19,015 INFO L158 Benchmark]: Witness Printer took 377.41ms. Allocated memory is still 2.1GB. Free memory was 734.4MB in the beginning and 708.1MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 23:05:19,026 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1321.83ms. Allocated memory was 153.1MB in the beginning and 188.7MB in the end (delta: 35.7MB). Free memory was 110.6MB in the beginning and 137.5MB in the end (delta: -26.9MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 257.57ms. Allocated memory is still 188.7MB. Free memory was 137.5MB in the beginning and 99.8MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 305.68ms. Allocated memory is still 188.7MB. Free memory was 99.8MB in the beginning and 121.3MB in the end (delta: -21.6MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3406.78ms. Allocated memory was 188.7MB in the beginning and 283.1MB in the end (delta: 94.4MB). Free memory was 121.3MB in the beginning and 126.6MB in the end (delta: -5.3MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB. * TraceAbstraction took 173424.79ms. Allocated memory was 283.1MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 126.6MB in the beginning and 734.4MB in the end (delta: -607.7MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 377.41ms. Allocated memory is still 2.1GB. Free memory was 734.4MB in the beginning and 708.1MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. 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: 173]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 173.3s, OverallIterations: 25, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 70.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 46.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10334 SdHoareTripleChecker+Valid, 64.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10334 mSDsluCounter, 9285 SdHoareTripleChecker+Invalid, 56.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1253 mSDsCounter, 5661 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34516 IncrementalHoareTripleChecker+Invalid, 40177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5661 mSolverCounterUnsat, 8032 mSDtfsCounter, 34516 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8523 GetRequests, 8437 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23134occurred in iteration=18, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.1s AutomataMinimizationTime, 25 MinimizatonAttempts, 50006 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 294 NumberOfFragments, 1840 HoareAnnotationTreeSize, 4 FomulaSimplifications, 174463 FormulaSimplificationTreeSizeReduction, 31.6s HoareSimplificationTime, 4 FomulaSimplificationsInter, 64180 FormulaSimplificationTreeSizeReductionInter, 14.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 41.4s InterpolantComputationTime, 20488 NumberOfCodeBlocks, 20488 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 24019 ConstructedInterpolants, 0 QuantifiedInterpolants, 81454 SizeOfPredicates, 8 NumberOfNonLiveVariables, 5740 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 32928/35478 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: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((0 <= (97 + a0)) && (0 <= (a4 + 85))) && ((a29 + 16) <= 0)) && (3 == a2)) && ((a0 + 61) <= 0)) || ((((0 <= (97 + a0)) && ((51 + a29) <= 0)) && (3 == a2)) && ((a0 + 61) <= 0))) && (!((3 == a2)) || ((0 <= (134675 + (a29 / 5))) && (!(((a29 % 5) == 0)) || (0 < (134675 + (a29 / 5))))))) || ((((5 == a2) && (0 <= (a4 + 85))) && ((a29 / 5) <= 190395)) && ((a0 + 61) <= 0))) || ((((134656 <= a29) && ((89 + a4) <= 0)) && (a29 <= 599998)) && ((a0 + 61) <= 0))) || (((2 == a2) && (0 <= (a0 + 60))) && ((a29 + 144) <= 0))) || ((((0 <= (a29 + 15)) && (0 <= (a0 + 60))) && (a29 <= 599998)) && (3 == a2))) || (((0 <= (97 + a0)) && (a2 == 4)) && ((a29 / 5) <= 190395))) || ((5 == a2) && ((a0 + 147) <= 0))) || ((((44 <= a29) && (0 <= (146 + a0))) && (a29 <= 599998)) && (a2 == 4))) || ((((((107 + a0) <= 0) && (0 <= (146 + a0))) && (a2 == 4)) || (((0 <= (a4 + 85)) && ((a0 + 99) <= 0)) && (a2 == 4))) && ((a29 + 16) <= 0))) || (((5 == a2) && (0 <= (a0 + 60))) && (a29 <= 599998))) || ((((2 == a2) && (0 <= (a4 + 85))) && ((a0 + 99) <= 0)) && (a29 <= 599998))) || ((((a0 + 147) <= 0) && (a2 == 1)) && ((a29 / 5) <= 190395))) || (((((107 + a0) <= 0) && (2 == a2)) && (44 <= a29)) && (a29 <= 599998))) || ((((2 == a2) && (0 <= (a4 + 85))) && (a29 <= 43)) && ((a0 + 61) <= 0))) || ((((a0 + 147) <= 0) && (a29 <= 599998)) && (3 == a2))) || (((a2 == 1) && (a29 <= 599998)) && ((a0 + 61) <= 0))) || (((((0 <= (a4 + 85)) && ((a0 + 99) <= 0)) && ((a29 / 5) <= 190395)) && (0 < (a29 + 16))) && (3 == a2))) || (((((89 + a4) <= 0) && ((51 + a29) <= 0)) && (!((3 == a2)) || ((0 <= (134675 + (a29 / 5))) && (!(((a29 % 5) == 0)) || (0 < (134675 + (a29 / 5))))))) && (3 == a2))) || ((((107 + a0) <= 0) && ((a29 + 16) <= 0)) && (3 == a2))) || ((5 == a2) && ((a29 + 16) <= 0))) || ((((0 <= (a4 + 85)) && ((a0 + 147) <= 0)) && (a2 == 4)) && ((a29 / 5) <= 190395))) || (((a0 + 99) <= 0) && ((89 + a4) <= 0))) || (((2 == a2) && ((89 + a4) <= 0)) && (a29 <= 599998))) || (((2 == a2) && (0 <= (a4 + 85))) && ((a0 + 147) <= 0))) || (((((!((input == 3)) && (0 <= (a29 + 127))) && ((89 + a4) <= 0)) && (a2 == 1)) && ((51 + a29) <= 0)) && (0 <= (44 + a0)))) || ((((((0 <= (97 + a0)) && (44 <= a29)) && ((89 + a4) <= 0)) && ((a29 / 5) <= 190395)) && (3 == a2)) && ((a0 + 61) <= 0))) || ((a2 == 1) && ((a29 + 144) <= 0))) || (((((0 <= (97 + a0)) && ((89 + a4) <= 0)) && ((a29 + 16) <= 0)) && (3 == a2)) && ((a0 + 61) <= 0))) || (((((0 <= (97 + a0)) && (0 <= (a4 + 85))) && (0 <= (a29 + 15))) && (a29 <= 599998)) && (3 == a2))) || (((0 <= (a4 + 85)) && (a2 == 1)) && (a29 <= 599998))) || (((((89 + a4) <= 0) && ((51 + a29) <= 0)) && (3 == a2)) && ((a0 + 61) <= 0))) || (((!((3 == a2)) && ((89 + a4) <= 0)) && (a29 <= 599998)) && ((a0 + 61) <= 0))) - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((0 <= (97 + a0)) && (0 <= (a4 + 85))) && ((a29 + 16) <= 0)) && (3 == a2)) && ((a0 + 61) <= 0)) || ((((0 <= (97 + a0)) && ((51 + a29) <= 0)) && (3 == a2)) && ((a0 + 61) <= 0))) && (!((3 == a2)) || ((0 <= (134675 + (a29 / 5))) && (!(((a29 % 5) == 0)) || (0 < (134675 + (a29 / 5))))))) || ((((5 == a2) && (0 <= (a4 + 85))) && ((a29 / 5) <= 190395)) && ((a0 + 61) <= 0))) || ((((134656 <= a29) && ((89 + a4) <= 0)) && (a29 <= 599998)) && ((a0 + 61) <= 0))) || (((2 == a2) && (0 <= (a0 + 60))) && ((a29 + 144) <= 0))) || ((((0 <= (a29 + 15)) && (0 <= (a0 + 60))) && (a29 <= 599998)) && (3 == a2))) || (((0 <= (97 + a0)) && (a2 == 4)) && ((a29 / 5) <= 190395))) || ((((89 + a4) <= 0) && ((a29 + 107481) <= 0)) && ((a0 + 61) <= 0))) || ((5 == a2) && ((a0 + 147) <= 0))) || ((((44 <= a29) && (0 <= (146 + a0))) && (a29 <= 599998)) && (a2 == 4))) || ((((((107 + a0) <= 0) && (0 <= (146 + a0))) && (a2 == 4)) || (((0 <= (a4 + 85)) && ((a0 + 99) <= 0)) && (a2 == 4))) && ((a29 + 16) <= 0))) || (((5 == a2) && (0 <= (a0 + 60))) && (a29 <= 599998))) || ((((2 == a2) && (0 <= (a4 + 85))) && ((a0 + 99) <= 0)) && (a29 <= 599998))) || ((((a0 + 147) <= 0) && (a2 == 1)) && ((a29 / 5) <= 190395))) || (((((107 + a0) <= 0) && (2 == a2)) && (44 <= a29)) && (a29 <= 599998))) || ((((2 == a2) && (0 <= (a4 + 85))) && (a29 <= 43)) && ((a0 + 61) <= 0))) || ((((a0 + 147) <= 0) && (a29 <= 599998)) && (3 == a2))) || (((a2 == 1) && (a29 <= 599998)) && ((a0 + 61) <= 0))) || (((((0 <= (a4 + 85)) && ((a0 + 99) <= 0)) && ((a29 / 5) <= 190395)) && (0 < (a29 + 16))) && (3 == a2))) || (((((89 + a4) <= 0) && ((51 + a29) <= 0)) && (!((3 == a2)) || ((0 <= (134675 + (a29 / 5))) && (!(((a29 % 5) == 0)) || (0 < (134675 + (a29 / 5))))))) && (3 == a2))) || ((((107 + a0) <= 0) && ((a29 + 16) <= 0)) && (3 == a2))) || ((5 == a2) && ((a29 + 16) <= 0))) || (((a0 + 99) <= 0) && ((89 + a4) <= 0))) || (((2 == a2) && ((89 + a4) <= 0)) && (a29 <= 599998))) || (((2 == a2) && (0 <= (a4 + 85))) && ((a0 + 147) <= 0))) || (((((!((input == 3)) && (0 <= (a29 + 127))) && ((89 + a4) <= 0)) && (a2 == 1)) && ((51 + a29) <= 0)) && (0 <= (44 + a0)))) || (((((!((input == 1)) || (0 < (42 + a4))) && (0 <= (a4 + 85))) && ((a0 + 147) <= 0)) && (a2 == 4)) && ((a29 / 5) <= 190395))) || ((((((0 <= (97 + a0)) && (44 <= a29)) && ((89 + a4) <= 0)) && ((a29 / 5) <= 190395)) && (3 == a2)) && ((a0 + 61) <= 0))) || ((a2 == 1) && ((a29 + 144) <= 0))) || ((((0 <= (97 + a0)) && ((89 + a4) <= 0)) && ((a29 + 16) <= 0)) && ((a0 + 61) <= 0))) || (((((0 <= (97 + a0)) && (0 <= (a4 + 85))) && (0 <= (a29 + 15))) && (a29 <= 599998)) && (3 == a2))) || (((0 <= (a4 + 85)) && (a2 == 1)) && (a29 <= 599998))) || (((!((3 == a2)) && ((89 + a4) <= 0)) && (a29 <= 599998)) && ((a0 + 61) <= 0))) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((0 <= (97 + a0)) && (0 <= (a4 + 85))) && ((a29 + 16) <= 0)) && (3 == a2)) && ((a0 + 61) <= 0)) || ((((0 <= (97 + a0)) && ((51 + a29) <= 0)) && (3 == a2)) && ((a0 + 61) <= 0))) && (!((3 == a2)) || ((0 <= (134675 + (a29 / 5))) && (!(((a29 % 5) == 0)) || (0 < (134675 + (a29 / 5))))))) || ((((5 == a2) && (0 <= (a4 + 85))) && ((a29 / 5) <= 190395)) && ((a0 + 61) <= 0))) || ((((134656 <= a29) && ((89 + a4) <= 0)) && (a29 <= 599998)) && ((a0 + 61) <= 0))) || (((2 == a2) && (0 <= (a0 + 60))) && ((a29 + 144) <= 0))) || ((((0 <= (a29 + 15)) && (0 <= (a0 + 60))) && (a29 <= 599998)) && (3 == a2))) || (((0 <= (97 + a0)) && (a2 == 4)) && ((a29 / 5) <= 190395))) || ((((89 + a4) <= 0) && ((a29 + 107481) <= 0)) && ((a0 + 61) <= 0))) || ((5 == a2) && ((a0 + 147) <= 0))) || ((((44 <= a29) && (0 <= (146 + a0))) && (a29 <= 599998)) && (a2 == 4))) || ((((((107 + a0) <= 0) && (0 <= (146 + a0))) && (a2 == 4)) || (((0 <= (a4 + 85)) && ((a0 + 99) <= 0)) && (a2 == 4))) && ((a29 + 16) <= 0))) || (((5 == a2) && (0 <= (a0 + 60))) && (a29 <= 599998))) || (((((0 <= (a29 + 127)) && ((89 + a4) <= 0)) && (a2 == 1)) && ((51 + a29) <= 0)) && (0 <= (44 + a0)))) || ((((2 == a2) && (0 <= (a4 + 85))) && ((a0 + 99) <= 0)) && (a29 <= 599998))) || ((((a0 + 147) <= 0) && (a2 == 1)) && ((a29 / 5) <= 190395))) || (((((107 + a0) <= 0) && (2 == a2)) && (44 <= a29)) && (a29 <= 599998))) || ((((2 == a2) && (0 <= (a4 + 85))) && (a29 <= 43)) && ((a0 + 61) <= 0))) || ((((a0 + 147) <= 0) && (a29 <= 599998)) && (3 == a2))) || (((a2 == 1) && (a29 <= 599998)) && ((a0 + 61) <= 0))) || (((((0 <= (a4 + 85)) && ((a0 + 99) <= 0)) && ((a29 / 5) <= 190395)) && (0 < (a29 + 16))) && (3 == a2))) || (((((89 + a4) <= 0) && ((51 + a29) <= 0)) && (!((3 == a2)) || ((0 <= (134675 + (a29 / 5))) && (!(((a29 % 5) == 0)) || (0 < (134675 + (a29 / 5))))))) && (3 == a2))) || ((((107 + a0) <= 0) && ((a29 + 16) <= 0)) && (3 == a2))) || ((5 == a2) && ((a29 + 16) <= 0))) || ((((0 <= (a4 + 85)) && ((a0 + 147) <= 0)) && (a2 == 4)) && ((a29 / 5) <= 190395))) || (((a0 + 99) <= 0) && ((89 + a4) <= 0))) || (((2 == a2) && ((89 + a4) <= 0)) && (a29 <= 599998))) || (((2 == a2) && (0 <= (a4 + 85))) && ((a0 + 147) <= 0))) || ((((((0 <= (97 + a0)) && (44 <= a29)) && ((89 + a4) <= 0)) && ((a29 / 5) <= 190395)) && (3 == a2)) && ((a0 + 61) <= 0))) || ((a2 == 1) && ((a29 + 144) <= 0))) || ((((0 <= (97 + a0)) && ((89 + a4) <= 0)) && ((a29 + 16) <= 0)) && ((a0 + 61) <= 0))) || (((((0 <= (97 + a0)) && (0 <= (a4 + 85))) && (0 <= (a29 + 15))) && (a29 <= 599998)) && (3 == a2))) || (((0 <= (a4 + 85)) && (a2 == 1)) && (a29 <= 599998))) || (((!((3 == a2)) && ((89 + a4) <= 0)) && (a29 <= 599998)) && ((a0 + 61) <= 0))) RESULT: Ultimate proved your program to be correct! [2023-11-06 23:05:19,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4785c73-dcd6-4cc7-bf68-e41eafd92cf1/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