./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a068220cd9a63125e810935e79eeb0e481ecd288491865590be5286d46acb22 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:51:14,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:51:15,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:51:15,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:51:15,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:51:15,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:51:15,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:51:15,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:51:15,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:51:15,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:51:15,057 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:51:15,057 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:51:15,057 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:51:15,057 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:51:15,057 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:51:15,057 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:51:15,057 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:51:15,057 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:51:15,057 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:51:15,058 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:51:15,058 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:51:15,058 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:51:15,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:51:15,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:51:15,058 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:51:15,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:51:15,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:51:15,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:51:15,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:51:15,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:51:15,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:51:15,059 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:51:15,059 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:51:15,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:51:15,059 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:51:15,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:51:15,059 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:51:15,060 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:51:15,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:51:15,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:51:15,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:51:15,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:51:15,060 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:51:15,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:51:15,060 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:51:15,060 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:51:15,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:51:15,061 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 4a068220cd9a63125e810935e79eeb0e481ecd288491865590be5286d46acb22 [2024-11-14 05:51:15,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:51:15,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:51:15,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:51:15,404 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:51:15,404 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:51:15,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c Unable to find full path for "g++" [2024-11-14 05:51:17,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:51:17,526 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:51:17,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2024-11-14 05:51:17,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/data/566009bc1/2ec32c5f40e9426697531bcae4ae77f9/FLAG6eb24a25c [2024-11-14 05:51:17,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/data/566009bc1/2ec32c5f40e9426697531bcae4ae77f9 [2024-11-14 05:51:17,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:51:17,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:51:17,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:51:17,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:51:17,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:51:17,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:51:17" (1/1) ... [2024-11-14 05:51:17,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e927a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:51:17, skipping insertion in model container [2024-11-14 05:51:17,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:51:17" (1/1) ... [2024-11-14 05:51:17,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:51:18,096 WARN L250 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_cb828568-a030-49fe-94de-4b54d5465240/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7235,7248] [2024-11-14 05:51:18,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:51:18,153 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:51:18,218 WARN L250 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_cb828568-a030-49fe-94de-4b54d5465240/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7235,7248] [2024-11-14 05:51:18,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:51:18,269 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:51:18,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:51:18 WrapperNode [2024-11-14 05:51:18,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:51:18,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:51:18,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:51:18,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:51:18,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:51:18" (1/1) ... [2024-11-14 05:51:18,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:51:18" (1/1) ... [2024-11-14 05:51:18,374 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 633 [2024-11-14 05:51:18,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:51:18,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:51:18,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:51:18,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:51:18,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:51:18" (1/1) ... [2024-11-14 05:51:18,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:51:18" (1/1) ... [2024-11-14 05:51:18,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:51:18" (1/1) ... [2024-11-14 05:51:18,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:51:18" (1/1) ... [2024-11-14 05:51:18,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:51:18" (1/1) ... [2024-11-14 05:51:18,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:51:18" (1/1) ... [2024-11-14 05:51:18,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:51:18" (1/1) ... [2024-11-14 05:51:18,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:51:18" (1/1) ... [2024-11-14 05:51:18,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:51:18,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:51:18,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:51:18,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:51:18,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:51:18" (1/1) ... [2024-11-14 05:51:18,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:51:18,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:51:18,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:51:18,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:51:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:51:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:51:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:51:18,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:51:18,710 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:51:18,713 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:51:19,597 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-14 05:51:19,598 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:51:20,067 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:51:20,068 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:51:20,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:51:20 BoogieIcfgContainer [2024-11-14 05:51:20,069 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:51:20,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:51:20,072 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:51:20,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:51:20,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:51:17" (1/3) ... [2024-11-14 05:51:20,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a2e375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:51:20, skipping insertion in model container [2024-11-14 05:51:20,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:51:18" (2/3) ... [2024-11-14 05:51:20,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a2e375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:51:20, skipping insertion in model container [2024-11-14 05:51:20,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:51:20" (3/3) ... [2024-11-14 05:51:20,081 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2024-11-14 05:51:20,098 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:51:20,101 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c that has 1 procedures, 87 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 05:51:20,175 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:51:20,193 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1487d949, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:51:20,193 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:51:20,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 85 states have (on average 1.7647058823529411) internal successors, (150), 86 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:20,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-14 05:51:20,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:20,206 INFO L215 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] [2024-11-14 05:51:20,207 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:20,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:20,214 INFO L85 PathProgramCache]: Analyzing trace with hash -2123247534, now seen corresponding path program 1 times [2024-11-14 05:51:20,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:20,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473363509] [2024-11-14 05:51:20,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:20,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:20,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:20,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:20,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473363509] [2024-11-14 05:51:20,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473363509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:20,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:20,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:51:20,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535724648] [2024-11-14 05:51:20,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:20,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:20,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:20,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:20,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:20,837 INFO L87 Difference]: Start difference. First operand has 87 states, 85 states have (on average 1.7647058823529411) internal successors, (150), 86 states have internal predecessors, (150), 0 states have call successors, (0), 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 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:20,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:20,933 INFO L93 Difference]: Finished difference Result 191 states and 317 transitions. [2024-11-14 05:51:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:20,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2024-11-14 05:51:20,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:20,946 INFO L225 Difference]: With dead ends: 191 [2024-11-14 05:51:20,947 INFO L226 Difference]: Without dead ends: 129 [2024-11-14 05:51:20,952 INFO L431 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 [2024-11-14 05:51:20,956 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 92 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:20,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 322 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:20,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-14 05:51:20,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2024-11-14 05:51:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 1.492063492063492) internal successors, (188), 126 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 188 transitions. [2024-11-14 05:51:21,009 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 188 transitions. Word has length 38 [2024-11-14 05:51:21,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:21,009 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 188 transitions. [2024-11-14 05:51:21,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:21,009 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 188 transitions. [2024-11-14 05:51:21,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-14 05:51:21,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:21,010 INFO L215 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] [2024-11-14 05:51:21,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:51:21,011 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:21,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:21,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1268444942, now seen corresponding path program 1 times [2024-11-14 05:51:21,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:21,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845747924] [2024-11-14 05:51:21,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:21,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:21,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:21,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:21,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845747924] [2024-11-14 05:51:21,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845747924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:21,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:21,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:51:21,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162442726] [2024-11-14 05:51:21,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:21,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:21,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:21,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:21,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:21,313 INFO L87 Difference]: Start difference. First operand 127 states and 188 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:21,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:21,418 INFO L93 Difference]: Finished difference Result 282 states and 437 transitions. [2024-11-14 05:51:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:21,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2024-11-14 05:51:21,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:21,422 INFO L225 Difference]: With dead ends: 282 [2024-11-14 05:51:21,422 INFO L226 Difference]: Without dead ends: 184 [2024-11-14 05:51:21,422 INFO L431 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 [2024-11-14 05:51:21,423 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 81 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:21,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 194 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:21,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-14 05:51:21,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 182. [2024-11-14 05:51:21,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.5082872928176796) internal successors, (273), 181 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:21,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 273 transitions. [2024-11-14 05:51:21,445 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 273 transitions. Word has length 40 [2024-11-14 05:51:21,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:21,446 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 273 transitions. [2024-11-14 05:51:21,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 273 transitions. [2024-11-14 05:51:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-14 05:51:21,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:21,449 INFO L215 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] [2024-11-14 05:51:21,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:51:21,450 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:21,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:21,450 INFO L85 PathProgramCache]: Analyzing trace with hash 2076675707, now seen corresponding path program 1 times [2024-11-14 05:51:21,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:21,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023412314] [2024-11-14 05:51:21,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:21,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:21,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:21,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:21,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023412314] [2024-11-14 05:51:21,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023412314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:21,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:21,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:51:21,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932157768] [2024-11-14 05:51:21,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:21,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:21,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:21,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:21,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:21,641 INFO L87 Difference]: Start difference. First operand 182 states and 273 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:21,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:21,715 INFO L93 Difference]: Finished difference Result 448 states and 700 transitions. [2024-11-14 05:51:21,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:21,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 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 42 [2024-11-14 05:51:21,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:21,717 INFO L225 Difference]: With dead ends: 448 [2024-11-14 05:51:21,717 INFO L226 Difference]: Without dead ends: 297 [2024-11-14 05:51:21,718 INFO L431 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 [2024-11-14 05:51:21,719 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 82 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:21,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 244 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:21,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-14 05:51:21,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295. [2024-11-14 05:51:21,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 294 states have (on average 1.5442176870748299) internal successors, (454), 294 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 454 transitions. [2024-11-14 05:51:21,755 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 454 transitions. Word has length 42 [2024-11-14 05:51:21,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:21,756 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 454 transitions. [2024-11-14 05:51:21,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:21,756 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 454 transitions. [2024-11-14 05:51:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-14 05:51:21,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:21,757 INFO L215 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] [2024-11-14 05:51:21,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:51:21,757 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:21,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:21,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1154680722, now seen corresponding path program 1 times [2024-11-14 05:51:21,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:21,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014291496] [2024-11-14 05:51:21,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:21,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:21,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:21,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014291496] [2024-11-14 05:51:21,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014291496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:21,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:21,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:51:21,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232717828] [2024-11-14 05:51:21,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:21,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:21,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:21,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:21,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:21,958 INFO L87 Difference]: Start difference. First operand 295 states and 454 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:22,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:22,113 INFO L93 Difference]: Finished difference Result 723 states and 1138 transitions. [2024-11-14 05:51:22,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:22,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2024-11-14 05:51:22,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:22,119 INFO L225 Difference]: With dead ends: 723 [2024-11-14 05:51:22,119 INFO L226 Difference]: Without dead ends: 459 [2024-11-14 05:51:22,120 INFO L431 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 [2024-11-14 05:51:22,124 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 81 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:22,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 210 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:22,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-14 05:51:22,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 457. [2024-11-14 05:51:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 456 states have (on average 1.5592105263157894) internal successors, (711), 456 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 711 transitions. [2024-11-14 05:51:22,162 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 711 transitions. Word has length 44 [2024-11-14 05:51:22,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:22,163 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 711 transitions. [2024-11-14 05:51:22,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:22,163 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 711 transitions. [2024-11-14 05:51:22,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-14 05:51:22,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:22,164 INFO L215 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] [2024-11-14 05:51:22,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 05:51:22,164 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:22,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:22,164 INFO L85 PathProgramCache]: Analyzing trace with hash -877947167, now seen corresponding path program 1 times [2024-11-14 05:51:22,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:22,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821800114] [2024-11-14 05:51:22,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:22,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:22,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:22,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:22,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821800114] [2024-11-14 05:51:22,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821800114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:22,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:22,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:51:22,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405766935] [2024-11-14 05:51:22,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:22,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:22,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:22,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:22,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:22,332 INFO L87 Difference]: Start difference. First operand 457 states and 711 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:22,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:22,402 INFO L93 Difference]: Finished difference Result 1175 states and 1862 transitions. [2024-11-14 05:51:22,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:22,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2024-11-14 05:51:22,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:22,408 INFO L225 Difference]: With dead ends: 1175 [2024-11-14 05:51:22,410 INFO L226 Difference]: Without dead ends: 762 [2024-11-14 05:51:22,412 INFO L431 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 [2024-11-14 05:51:22,412 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 77 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:22,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 225 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:22,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2024-11-14 05:51:22,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 760. [2024-11-14 05:51:22,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 759 states have (on average 1.5691699604743083) internal successors, (1191), 759 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:22,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1191 transitions. [2024-11-14 05:51:22,449 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1191 transitions. Word has length 46 [2024-11-14 05:51:22,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:22,449 INFO L471 AbstractCegarLoop]: Abstraction has 760 states and 1191 transitions. [2024-11-14 05:51:22,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1191 transitions. [2024-11-14 05:51:22,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-14 05:51:22,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:22,451 INFO L215 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] [2024-11-14 05:51:22,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:51:22,452 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:22,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:22,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1743853951, now seen corresponding path program 1 times [2024-11-14 05:51:22,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:22,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215268187] [2024-11-14 05:51:22,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:22,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:22,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:22,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:22,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215268187] [2024-11-14 05:51:22,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215268187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:22,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:22,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:51:22,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016329548] [2024-11-14 05:51:22,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:22,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:51:22,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:22,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:51:22,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:51:22,599 INFO L87 Difference]: Start difference. First operand 760 states and 1191 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:22,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:22,673 INFO L93 Difference]: Finished difference Result 1902 states and 3012 transitions. [2024-11-14 05:51:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:51:22,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2024-11-14 05:51:22,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:22,683 INFO L225 Difference]: With dead ends: 1902 [2024-11-14 05:51:22,683 INFO L226 Difference]: Without dead ends: 1186 [2024-11-14 05:51:22,684 INFO L431 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 [2024-11-14 05:51:22,685 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 76 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:22,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 212 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:51:22,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-11-14 05:51:22,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1184. [2024-11-14 05:51:22,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 1183 states have (on average 1.5731191885038038) internal successors, (1861), 1183 states have internal predecessors, (1861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:22,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1861 transitions. [2024-11-14 05:51:22,755 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1861 transitions. Word has length 48 [2024-11-14 05:51:22,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:22,756 INFO L471 AbstractCegarLoop]: Abstraction has 1184 states and 1861 transitions. [2024-11-14 05:51:22,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1861 transitions. [2024-11-14 05:51:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-14 05:51:22,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:22,761 INFO L215 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] [2024-11-14 05:51:22,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 05:51:22,761 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:22,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:22,762 INFO L85 PathProgramCache]: Analyzing trace with hash -496972498, now seen corresponding path program 1 times [2024-11-14 05:51:22,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:22,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043631968] [2024-11-14 05:51:22,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:22,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:23,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:23,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:23,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043631968] [2024-11-14 05:51:23,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043631968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:23,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:23,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:51:23,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987979424] [2024-11-14 05:51:23,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:23,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:51:23,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:23,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:51:23,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:23,006 INFO L87 Difference]: Start difference. First operand 1184 states and 1861 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:23,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:23,305 INFO L93 Difference]: Finished difference Result 3012 states and 4750 transitions. [2024-11-14 05:51:23,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:51:23,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2024-11-14 05:51:23,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:23,314 INFO L225 Difference]: With dead ends: 3012 [2024-11-14 05:51:23,314 INFO L226 Difference]: Without dead ends: 1885 [2024-11-14 05:51:23,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 05:51:23,320 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 463 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:23,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 816 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 05:51:23,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1885 states. [2024-11-14 05:51:23,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1885 to 1875. [2024-11-14 05:51:23,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1874 states have (on average 1.5618996798292422) internal successors, (2927), 1874 states have internal predecessors, (2927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2927 transitions. [2024-11-14 05:51:23,395 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2927 transitions. Word has length 50 [2024-11-14 05:51:23,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:23,396 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2927 transitions. [2024-11-14 05:51:23,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:23,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2927 transitions. [2024-11-14 05:51:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-14 05:51:23,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:23,399 INFO L215 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] [2024-11-14 05:51:23,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 05:51:23,399 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:23,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:23,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1711217546, now seen corresponding path program 1 times [2024-11-14 05:51:23,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:23,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699786890] [2024-11-14 05:51:23,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:23,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:23,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:23,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:23,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699786890] [2024-11-14 05:51:23,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699786890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:23,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:23,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:51:23,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992620786] [2024-11-14 05:51:23,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:23,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:51:23,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:23,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:51:23,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:51:23,560 INFO L87 Difference]: Start difference. First operand 1875 states and 2927 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:23,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:23,675 INFO L93 Difference]: Finished difference Result 3695 states and 5786 transitions. [2024-11-14 05:51:23,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:51:23,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2024-11-14 05:51:23,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:23,682 INFO L225 Difference]: With dead ends: 3695 [2024-11-14 05:51:23,683 INFO L226 Difference]: Without dead ends: 1877 [2024-11-14 05:51:23,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:23,685 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 153 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:23,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 302 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:23,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2024-11-14 05:51:23,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1875. [2024-11-14 05:51:23,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1874 states have (on average 1.555496264674493) internal successors, (2915), 1874 states have internal predecessors, (2915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:23,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2915 transitions. [2024-11-14 05:51:23,741 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2915 transitions. Word has length 51 [2024-11-14 05:51:23,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:23,741 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2915 transitions. [2024-11-14 05:51:23,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2915 transitions. [2024-11-14 05:51:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-14 05:51:23,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:23,742 INFO L215 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] [2024-11-14 05:51:23,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 05:51:23,742 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:23,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:23,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1450190197, now seen corresponding path program 1 times [2024-11-14 05:51:23,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:23,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581506158] [2024-11-14 05:51:23,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:23,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:23,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:23,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581506158] [2024-11-14 05:51:23,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581506158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:23,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:23,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:51:23,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418279331] [2024-11-14 05:51:23,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:23,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:51:23,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:23,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:51:23,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:51:23,942 INFO L87 Difference]: Start difference. First operand 1875 states and 2915 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) [2024-11-14 05:51:24,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:24,064 INFO L93 Difference]: Finished difference Result 3695 states and 5762 transitions. [2024-11-14 05:51:24,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:51:24,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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 [2024-11-14 05:51:24,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:24,072 INFO L225 Difference]: With dead ends: 3695 [2024-11-14 05:51:24,073 INFO L226 Difference]: Without dead ends: 1877 [2024-11-14 05:51:24,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:24,079 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 161 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:24,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 308 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:24,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2024-11-14 05:51:24,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1875. [2024-11-14 05:51:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1874 states have (on average 1.5490928495197438) internal successors, (2903), 1874 states have internal predecessors, (2903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2903 transitions. [2024-11-14 05:51:24,133 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2903 transitions. Word has length 52 [2024-11-14 05:51:24,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:24,134 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2903 transitions. [2024-11-14 05:51:24,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) [2024-11-14 05:51:24,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2903 transitions. [2024-11-14 05:51:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-14 05:51:24,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:24,135 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:24,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 05:51:24,135 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:24,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:24,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1952834993, now seen corresponding path program 1 times [2024-11-14 05:51:24,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:24,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439144899] [2024-11-14 05:51:24,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:24,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:24,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:24,294 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:24,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439144899] [2024-11-14 05:51:24,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439144899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:24,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:24,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:51:24,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273747192] [2024-11-14 05:51:24,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:24,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:51:24,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:24,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:51:24,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:51:24,295 INFO L87 Difference]: Start difference. First operand 1875 states and 2903 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:24,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:24,420 INFO L93 Difference]: Finished difference Result 3695 states and 5738 transitions. [2024-11-14 05:51:24,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:51:24,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2024-11-14 05:51:24,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:24,428 INFO L225 Difference]: With dead ends: 3695 [2024-11-14 05:51:24,428 INFO L226 Difference]: Without dead ends: 1877 [2024-11-14 05:51:24,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:24,430 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 159 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:24,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 311 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:24,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2024-11-14 05:51:24,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1875. [2024-11-14 05:51:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1874 states have (on average 1.5426894343649946) internal successors, (2891), 1874 states have internal predecessors, (2891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:24,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2891 transitions. [2024-11-14 05:51:24,477 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2891 transitions. Word has length 53 [2024-11-14 05:51:24,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:24,478 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2891 transitions. [2024-11-14 05:51:24,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2891 transitions. [2024-11-14 05:51:24,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-14 05:51:24,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:24,478 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:24,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 05:51:24,479 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:24,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:24,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1743591742, now seen corresponding path program 1 times [2024-11-14 05:51:24,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:24,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56419073] [2024-11-14 05:51:24,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:24,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:24,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:24,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:24,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56419073] [2024-11-14 05:51:24,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56419073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:24,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:24,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:51:24,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541079611] [2024-11-14 05:51:24,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:24,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:51:24,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:24,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:51:24,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:24,805 INFO L87 Difference]: Start difference. First operand 1875 states and 2891 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:24,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:24,986 INFO L93 Difference]: Finished difference Result 3695 states and 5714 transitions. [2024-11-14 05:51:24,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:51:24,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2024-11-14 05:51:24,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:24,994 INFO L225 Difference]: With dead ends: 3695 [2024-11-14 05:51:24,994 INFO L226 Difference]: Without dead ends: 1877 [2024-11-14 05:51:24,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:51:24,997 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 63 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:24,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 389 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:24,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2024-11-14 05:51:25,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1875. [2024-11-14 05:51:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1874 states have (on average 1.538420490928495) internal successors, (2883), 1874 states have internal predecessors, (2883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:25,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 2883 transitions. [2024-11-14 05:51:25,059 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 2883 transitions. Word has length 55 [2024-11-14 05:51:25,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:25,060 INFO L471 AbstractCegarLoop]: Abstraction has 1875 states and 2883 transitions. [2024-11-14 05:51:25,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:25,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2883 transitions. [2024-11-14 05:51:25,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 05:51:25,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:25,061 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:25,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 05:51:25,061 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:25,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:25,062 INFO L85 PathProgramCache]: Analyzing trace with hash -2055668249, now seen corresponding path program 1 times [2024-11-14 05:51:25,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:25,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379602856] [2024-11-14 05:51:25,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:25,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:25,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:25,303 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:25,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379602856] [2024-11-14 05:51:25,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379602856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:25,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:25,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:51:25,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863675984] [2024-11-14 05:51:25,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:25,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:51:25,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:25,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:51:25,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:25,306 INFO L87 Difference]: Start difference. First operand 1875 states and 2883 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:25,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:25,498 INFO L93 Difference]: Finished difference Result 4716 states and 7241 transitions. [2024-11-14 05:51:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:51:25,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2024-11-14 05:51:25,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:25,508 INFO L225 Difference]: With dead ends: 4716 [2024-11-14 05:51:25,509 INFO L226 Difference]: Without dead ends: 2898 [2024-11-14 05:51:25,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:51:25,512 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 62 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:25,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 415 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:25,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2898 states. [2024-11-14 05:51:25,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2898 to 2896. [2024-11-14 05:51:25,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2896 states, 2895 states have (on average 1.5246977547495681) internal successors, (4414), 2895 states have internal predecessors, (4414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:25,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 4414 transitions. [2024-11-14 05:51:25,583 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 4414 transitions. Word has length 58 [2024-11-14 05:51:25,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:25,584 INFO L471 AbstractCegarLoop]: Abstraction has 2896 states and 4414 transitions. [2024-11-14 05:51:25,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:25,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 4414 transitions. [2024-11-14 05:51:25,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-14 05:51:25,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:25,585 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:25,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 05:51:25,585 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:25,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:25,585 INFO L85 PathProgramCache]: Analyzing trace with hash 709694545, now seen corresponding path program 1 times [2024-11-14 05:51:25,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:25,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005987232] [2024-11-14 05:51:25,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:25,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:26,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:26,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005987232] [2024-11-14 05:51:26,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005987232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:26,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:26,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:51:26,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661752550] [2024-11-14 05:51:26,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:26,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:51:26,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:26,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:51:26,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:26,406 INFO L87 Difference]: Start difference. First operand 2896 states and 4414 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:26,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:26,507 INFO L93 Difference]: Finished difference Result 8403 states and 12845 transitions. [2024-11-14 05:51:26,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:51:26,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2024-11-14 05:51:26,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:26,527 INFO L225 Difference]: With dead ends: 8403 [2024-11-14 05:51:26,527 INFO L226 Difference]: Without dead ends: 5562 [2024-11-14 05:51:26,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:26,532 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 162 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:26,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 291 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:26,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5562 states. [2024-11-14 05:51:26,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5562 to 5560. [2024-11-14 05:51:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5560 states, 5559 states have (on average 1.5200575643101277) internal successors, (8450), 5559 states have internal predecessors, (8450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:26,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5560 states to 5560 states and 8450 transitions. [2024-11-14 05:51:26,677 INFO L78 Accepts]: Start accepts. Automaton has 5560 states and 8450 transitions. Word has length 59 [2024-11-14 05:51:26,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:26,677 INFO L471 AbstractCegarLoop]: Abstraction has 5560 states and 8450 transitions. [2024-11-14 05:51:26,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:26,678 INFO L276 IsEmpty]: Start isEmpty. Operand 5560 states and 8450 transitions. [2024-11-14 05:51:26,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-14 05:51:26,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:26,680 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:26,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 05:51:26,680 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:26,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:26,682 INFO L85 PathProgramCache]: Analyzing trace with hash 916318170, now seen corresponding path program 1 times [2024-11-14 05:51:26,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:26,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037073198] [2024-11-14 05:51:26,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:26,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:26,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:26,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:26,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037073198] [2024-11-14 05:51:26,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037073198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:26,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:26,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:51:26,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211219276] [2024-11-14 05:51:26,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:26,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:51:26,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:26,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:51:26,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:26,875 INFO L87 Difference]: Start difference. First operand 5560 states and 8450 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:27,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:27,055 INFO L93 Difference]: Finished difference Result 11085 states and 16862 transitions. [2024-11-14 05:51:27,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:51:27,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2024-11-14 05:51:27,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:27,090 INFO L225 Difference]: With dead ends: 11085 [2024-11-14 05:51:27,090 INFO L226 Difference]: Without dead ends: 5560 [2024-11-14 05:51:27,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:51:27,097 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 296 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:27,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 103 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:27,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5560 states. [2024-11-14 05:51:27,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5560 to 5560. [2024-11-14 05:51:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5560 states, 5559 states have (on average 1.4758050008994423) internal successors, (8204), 5559 states have internal predecessors, (8204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5560 states to 5560 states and 8204 transitions. [2024-11-14 05:51:27,282 INFO L78 Accepts]: Start accepts. Automaton has 5560 states and 8204 transitions. Word has length 62 [2024-11-14 05:51:27,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:27,282 INFO L471 AbstractCegarLoop]: Abstraction has 5560 states and 8204 transitions. [2024-11-14 05:51:27,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:27,282 INFO L276 IsEmpty]: Start isEmpty. Operand 5560 states and 8204 transitions. [2024-11-14 05:51:27,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-14 05:51:27,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:27,283 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:27,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 05:51:27,283 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:27,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:27,283 INFO L85 PathProgramCache]: Analyzing trace with hash 829948415, now seen corresponding path program 1 times [2024-11-14 05:51:27,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:27,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172698304] [2024-11-14 05:51:27,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:27,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:28,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:28,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172698304] [2024-11-14 05:51:28,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172698304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:28,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:28,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:51:28,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241373789] [2024-11-14 05:51:28,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:28,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:51:28,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:28,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:51:28,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:28,155 INFO L87 Difference]: Start difference. First operand 5560 states and 8204 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:28,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:28,258 INFO L93 Difference]: Finished difference Result 16256 states and 24018 transitions. [2024-11-14 05:51:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:51:28,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2024-11-14 05:51:28,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:28,294 INFO L225 Difference]: With dead ends: 16256 [2024-11-14 05:51:28,294 INFO L226 Difference]: Without dead ends: 10764 [2024-11-14 05:51:28,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:28,301 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 222 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:28,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 297 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:28,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10764 states. [2024-11-14 05:51:28,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10764 to 10762. [2024-11-14 05:51:28,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10762 states, 10761 states have (on average 1.4703094507945358) internal successors, (15822), 10761 states have internal predecessors, (15822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10762 states to 10762 states and 15822 transitions. [2024-11-14 05:51:28,613 INFO L78 Accepts]: Start accepts. Automaton has 10762 states and 15822 transitions. Word has length 62 [2024-11-14 05:51:28,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:28,613 INFO L471 AbstractCegarLoop]: Abstraction has 10762 states and 15822 transitions. [2024-11-14 05:51:28,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 10762 states and 15822 transitions. [2024-11-14 05:51:28,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-14 05:51:28,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:28,614 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:28,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-14 05:51:28,614 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:28,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:28,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1633917373, now seen corresponding path program 1 times [2024-11-14 05:51:28,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:28,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31099816] [2024-11-14 05:51:28,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:28,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:29,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:29,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31099816] [2024-11-14 05:51:29,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31099816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:29,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:29,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 05:51:29,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544150978] [2024-11-14 05:51:29,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:29,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:51:29,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:29,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:51:29,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:51:29,156 INFO L87 Difference]: Start difference. First operand 10762 states and 15822 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:29,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:29,367 INFO L93 Difference]: Finished difference Result 10790 states and 15860 transitions. [2024-11-14 05:51:29,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:51:29,367 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-14 05:51:29,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:29,398 INFO L225 Difference]: With dead ends: 10790 [2024-11-14 05:51:29,398 INFO L226 Difference]: Without dead ends: 10788 [2024-11-14 05:51:29,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-14 05:51:29,403 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 50 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:29,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 516 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:29,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10788 states. [2024-11-14 05:51:29,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10788 to 10786. [2024-11-14 05:51:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10786 states, 10785 states have (on average 1.467037552155772) internal successors, (15822), 10785 states have internal predecessors, (15822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:29,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10786 states to 10786 states and 15822 transitions. [2024-11-14 05:51:29,700 INFO L78 Accepts]: Start accepts. Automaton has 10786 states and 15822 transitions. Word has length 65 [2024-11-14 05:51:29,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:29,701 INFO L471 AbstractCegarLoop]: Abstraction has 10786 states and 15822 transitions. [2024-11-14 05:51:29,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:29,701 INFO L276 IsEmpty]: Start isEmpty. Operand 10786 states and 15822 transitions. [2024-11-14 05:51:29,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-14 05:51:29,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:29,703 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:29,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-14 05:51:29,703 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:29,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:29,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1236769226, now seen corresponding path program 1 times [2024-11-14 05:51:29,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:29,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940814461] [2024-11-14 05:51:29,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:29,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:30,743 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 05:51:30,743 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:30,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940814461] [2024-11-14 05:51:30,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940814461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:30,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:30,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:51:30,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736660146] [2024-11-14 05:51:30,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:30,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:51:30,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:30,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:51:30,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:30,745 INFO L87 Difference]: Start difference. First operand 10786 states and 15822 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:30,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:30,918 INFO L93 Difference]: Finished difference Result 25246 states and 37087 transitions. [2024-11-14 05:51:30,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:51:30,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 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 73 [2024-11-14 05:51:30,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:30,961 INFO L225 Difference]: With dead ends: 25246 [2024-11-14 05:51:30,961 INFO L226 Difference]: Without dead ends: 14526 [2024-11-14 05:51:30,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:30,974 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 155 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:30,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 369 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:30,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14526 states. [2024-11-14 05:51:31,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14526 to 10786. [2024-11-14 05:51:31,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10786 states, 10785 states have (on average 1.467037552155772) internal successors, (15822), 10785 states have internal predecessors, (15822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:31,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10786 states to 10786 states and 15822 transitions. [2024-11-14 05:51:31,205 INFO L78 Accepts]: Start accepts. Automaton has 10786 states and 15822 transitions. Word has length 73 [2024-11-14 05:51:31,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:31,205 INFO L471 AbstractCegarLoop]: Abstraction has 10786 states and 15822 transitions. [2024-11-14 05:51:31,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:31,206 INFO L276 IsEmpty]: Start isEmpty. Operand 10786 states and 15822 transitions. [2024-11-14 05:51:31,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-14 05:51:31,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:31,207 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:31,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-14 05:51:31,207 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:31,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:31,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1981701609, now seen corresponding path program 1 times [2024-11-14 05:51:31,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:31,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31873910] [2024-11-14 05:51:31,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:31,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:31,392 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 05:51:31,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:31,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31873910] [2024-11-14 05:51:31,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31873910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:31,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:31,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:51:31,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759660413] [2024-11-14 05:51:31,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:31,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:51:31,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:31,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:51:31,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:31,393 INFO L87 Difference]: Start difference. First operand 10786 states and 15822 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:31,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:31,544 INFO L93 Difference]: Finished difference Result 21518 states and 31580 transitions. [2024-11-14 05:51:31,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:51:31,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 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 73 [2024-11-14 05:51:31,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:31,571 INFO L225 Difference]: With dead ends: 21518 [2024-11-14 05:51:31,571 INFO L226 Difference]: Without dead ends: 10786 [2024-11-14 05:51:31,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:51:31,582 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 283 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:31,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 105 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:31,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10786 states. [2024-11-14 05:51:31,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10786 to 10786. [2024-11-14 05:51:31,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10786 states, 10785 states have (on average 1.4411682892906814) internal successors, (15543), 10785 states have internal predecessors, (15543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10786 states to 10786 states and 15543 transitions. [2024-11-14 05:51:31,770 INFO L78 Accepts]: Start accepts. Automaton has 10786 states and 15543 transitions. Word has length 73 [2024-11-14 05:51:31,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:31,770 INFO L471 AbstractCegarLoop]: Abstraction has 10786 states and 15543 transitions. [2024-11-14 05:51:31,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:31,770 INFO L276 IsEmpty]: Start isEmpty. Operand 10786 states and 15543 transitions. [2024-11-14 05:51:31,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-14 05:51:31,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:31,774 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:31,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-14 05:51:31,774 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:31,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:31,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1824753742, now seen corresponding path program 1 times [2024-11-14 05:51:31,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:31,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509254219] [2024-11-14 05:51:31,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:31,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:32,946 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 05:51:32,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:32,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509254219] [2024-11-14 05:51:32,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509254219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:32,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:32,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:51:32,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941641849] [2024-11-14 05:51:32,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:32,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:51:32,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:32,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:51:32,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:51:32,948 INFO L87 Difference]: Start difference. First operand 10786 states and 15543 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:33,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:33,135 INFO L93 Difference]: Finished difference Result 25773 states and 37159 transitions. [2024-11-14 05:51:33,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:51:33,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 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 73 [2024-11-14 05:51:33,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:33,171 INFO L225 Difference]: With dead ends: 25773 [2024-11-14 05:51:33,171 INFO L226 Difference]: Without dead ends: 15055 [2024-11-14 05:51:33,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:51:33,184 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 338 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:33,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 319 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:33,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15055 states. [2024-11-14 05:51:33,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15055 to 10817. [2024-11-14 05:51:33,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10817 states, 10816 states have (on average 1.4406434911242603) internal successors, (15582), 10816 states have internal predecessors, (15582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:33,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10817 states to 10817 states and 15582 transitions. [2024-11-14 05:51:33,419 INFO L78 Accepts]: Start accepts. Automaton has 10817 states and 15582 transitions. Word has length 73 [2024-11-14 05:51:33,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:33,419 INFO L471 AbstractCegarLoop]: Abstraction has 10817 states and 15582 transitions. [2024-11-14 05:51:33,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:33,420 INFO L276 IsEmpty]: Start isEmpty. Operand 10817 states and 15582 transitions. [2024-11-14 05:51:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-14 05:51:33,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:33,421 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:33,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-14 05:51:33,421 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:33,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:33,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1843687268, now seen corresponding path program 1 times [2024-11-14 05:51:33,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:33,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234147048] [2024-11-14 05:51:33,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:33,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 05:51:34,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:34,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234147048] [2024-11-14 05:51:34,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234147048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:34,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:51:34,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:51:34,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553805248] [2024-11-14 05:51:34,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:34,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:51:34,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:34,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:51:34,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:34,358 INFO L87 Difference]: Start difference. First operand 10817 states and 15582 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:34,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:34,512 INFO L93 Difference]: Finished difference Result 21431 states and 30822 transitions. [2024-11-14 05:51:34,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:51:34,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 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 73 [2024-11-14 05:51:34,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:34,550 INFO L225 Difference]: With dead ends: 21431 [2024-11-14 05:51:34,550 INFO L226 Difference]: Without dead ends: 15872 [2024-11-14 05:51:34,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:51:34,561 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 234 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:34,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 319 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:34,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15872 states. [2024-11-14 05:51:34,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15872 to 15870. [2024-11-14 05:51:34,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15870 states, 15869 states have (on average 1.4267439662234545) internal successors, (22641), 15869 states have internal predecessors, (22641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:34,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15870 states to 15870 states and 22641 transitions. [2024-11-14 05:51:34,791 INFO L78 Accepts]: Start accepts. Automaton has 15870 states and 22641 transitions. Word has length 73 [2024-11-14 05:51:34,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:34,792 INFO L471 AbstractCegarLoop]: Abstraction has 15870 states and 22641 transitions. [2024-11-14 05:51:34,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:34,792 INFO L276 IsEmpty]: Start isEmpty. Operand 15870 states and 22641 transitions. [2024-11-14 05:51:34,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-14 05:51:34,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:34,794 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:34,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-14 05:51:34,795 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:34,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:34,795 INFO L85 PathProgramCache]: Analyzing trace with hash -62523958, now seen corresponding path program 1 times [2024-11-14 05:51:34,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:34,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923045338] [2024-11-14 05:51:34,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:34,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:51:36,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:36,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923045338] [2024-11-14 05:51:36,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923045338] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:51:36,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371163411] [2024-11-14 05:51:36,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:36,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:51:36,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:51:36,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:51:36,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:51:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:36,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 05:51:36,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:51:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 05:51:37,603 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:51:37,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371163411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:51:37,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:51:37,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2024-11-14 05:51:37,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306813222] [2024-11-14 05:51:37,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:51:37,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:51:37,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:51:37,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:51:37,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-14 05:51:37,607 INFO L87 Difference]: Start difference. First operand 15870 states and 22641 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:37,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:51:37,836 INFO L93 Difference]: Finished difference Result 29631 states and 42720 transitions. [2024-11-14 05:51:37,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:51:37,837 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 76 [2024-11-14 05:51:37,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:51:37,871 INFO L225 Difference]: With dead ends: 29631 [2024-11-14 05:51:37,872 INFO L226 Difference]: Without dead ends: 13859 [2024-11-14 05:51:37,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-14 05:51:37,882 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 199 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:51:37,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 526 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:51:37,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13859 states. [2024-11-14 05:51:38,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13859 to 10693. [2024-11-14 05:51:38,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10693 states, 10692 states have (on average 1.4327534605312382) internal successors, (15319), 10692 states have internal predecessors, (15319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:38,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10693 states to 10693 states and 15319 transitions. [2024-11-14 05:51:38,145 INFO L78 Accepts]: Start accepts. Automaton has 10693 states and 15319 transitions. Word has length 76 [2024-11-14 05:51:38,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:51:38,146 INFO L471 AbstractCegarLoop]: Abstraction has 10693 states and 15319 transitions. [2024-11-14 05:51:38,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:51:38,146 INFO L276 IsEmpty]: Start isEmpty. Operand 10693 states and 15319 transitions. [2024-11-14 05:51:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-14 05:51:38,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:51:38,148 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:38,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:51:38,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:51:38,349 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:38,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:38,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1587288956, now seen corresponding path program 1 times [2024-11-14 05:51:38,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:38,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302166338] [2024-11-14 05:51:38,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:38,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:51:39,646 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:39,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302166338] [2024-11-14 05:51:39,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302166338] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:51:39,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114764979] [2024-11-14 05:51:39,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:39,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:51:39,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:51:39,649 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:51:39,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 05:51:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:39,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-14 05:51:39,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:51:41,909 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:41,910 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:51:48,622 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:51:48,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114764979] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:51:48,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1201680811] [2024-11-14 05:51:48,646 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2024-11-14 05:51:48,646 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:51:48,649 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:51:48,653 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:51:48,654 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:51:58,637 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:52:20,419 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '305196#(and (<= ~mode2~0 1) (exists ((|v_ULTIMATE.start_main_~assert__arg~0#1_33| Int)) (or (and (= ~mode3~0 1) (exists ((|v_ULTIMATE.start_main_~__tmp_1~0#1_5| Int)) (and (= |v_ULTIMATE.start_main_~__tmp_1~0#1_5| 0) (= ~__return_1310~0 0) (= 0 |v_ULTIMATE.start_main_~assert__arg~0#1_33|)))) (and (exists ((|v_ULTIMATE.start_main_~__tmp_1~0#1_5| Int)) (and (= |v_ULTIMATE.start_main_~__tmp_1~0#1_5| 0) (= ~__return_1310~0 0) (= 0 |v_ULTIMATE.start_main_~assert__arg~0#1_33|))) (<= 0 ~mode1~0) (= ~mode3~0 0) (<= |ULTIMATE.start_main_~main__i2~0#1| 5) (<= 0 ~mode2~0)))) (<= ~mode1~0 1))' at error location [2024-11-14 05:52:20,419 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 05:52:20,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:52:20,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16, 18] total 40 [2024-11-14 05:52:20,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229103385] [2024-11-14 05:52:20,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 05:52:20,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-14 05:52:20,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:52:20,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-14 05:52:20,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=963, Invalid=7593, Unknown=0, NotChecked=0, Total=8556 [2024-11-14 05:52:20,423 INFO L87 Difference]: Start difference. First operand 10693 states and 15319 transitions. Second operand has 40 states, 40 states have (on average 5.275) internal successors, (211), 40 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:52:50,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:52:50,919 INFO L93 Difference]: Finished difference Result 80974 states and 116094 transitions. [2024-11-14 05:52:50,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-11-14 05:52:50,920 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 5.275) internal successors, (211), 40 states have internal predecessors, (211), 0 states have call successors, (0), 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 76 [2024-11-14 05:52:50,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:52:51,020 INFO L225 Difference]: With dead ends: 80974 [2024-11-14 05:52:51,020 INFO L226 Difference]: Without dead ends: 70536 [2024-11-14 05:52:51,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 138 SyntacticMatches, 7 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18509 ImplicationChecksByTransitivity, 46.7s TimeCoverageRelationStatistics Valid=6196, Invalid=34810, Unknown=0, NotChecked=0, Total=41006 [2024-11-14 05:52:51,043 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 5452 mSDsluCounter, 6845 mSDsCounter, 0 mSdLazyCounter, 4535 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5452 SdHoareTripleChecker+Valid, 6954 SdHoareTripleChecker+Invalid, 4720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 4535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:52:51,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5452 Valid, 6954 Invalid, 4720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 4535 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-11-14 05:52:51,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70536 states. [2024-11-14 05:52:51,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70536 to 37494. [2024-11-14 05:52:51,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37494 states, 37493 states have (on average 1.4265062811724856) internal successors, (53484), 37493 states have internal predecessors, (53484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:52:51,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37494 states to 37494 states and 53484 transitions. [2024-11-14 05:52:51,694 INFO L78 Accepts]: Start accepts. Automaton has 37494 states and 53484 transitions. Word has length 76 [2024-11-14 05:52:51,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:52:51,694 INFO L471 AbstractCegarLoop]: Abstraction has 37494 states and 53484 transitions. [2024-11-14 05:52:51,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 5.275) internal successors, (211), 40 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:52:51,695 INFO L276 IsEmpty]: Start isEmpty. Operand 37494 states and 53484 transitions. [2024-11-14 05:52:51,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-14 05:52:51,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:52:51,696 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 05:52:51,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-14 05:52:51,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:52:51,901 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:52:51,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:52:51,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1898813180, now seen corresponding path program 1 times [2024-11-14 05:52:51,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:52:51,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957577443] [2024-11-14 05:52:51,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:52:51,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:52:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:52:52,173 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:52:52,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:52:52,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957577443] [2024-11-14 05:52:52,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957577443] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:52:52,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450402419] [2024-11-14 05:52:52,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:52:52,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:52:52,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:52:52,176 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:52:52,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 05:52:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:52:52,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:52:52,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:52:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:52:52,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:52:52,925 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:52:52,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450402419] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:52:52,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1146875873] [2024-11-14 05:52:52,928 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2024-11-14 05:52:52,928 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:52:52,929 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:52:52,929 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:52:52,929 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:52:59,479 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:53:17,043 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '424399#(and (exists ((|v_ULTIMATE.start_main_~assert__arg~0#1_45| Int)) (= (mod |v_ULTIMATE.start_main_~assert__arg~0#1_45| 256) 0)) (or (= ~mode3~0 1) (= ~mode3~0 0)) (<= ~mode2~0 1) (<= ~mode1~0 1))' at error location [2024-11-14 05:53:17,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 05:53:17,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:53:17,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-14 05:53:17,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334729022] [2024-11-14 05:53:17,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 05:53:17,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:53:17,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:53:17,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:53:17,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=453, Invalid=2853, Unknown=0, NotChecked=0, Total=3306 [2024-11-14 05:53:17,046 INFO L87 Difference]: Start difference. First operand 37494 states and 53484 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:53:17,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:53:17,271 INFO L93 Difference]: Finished difference Result 89811 states and 127855 transitions. [2024-11-14 05:53:17,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:53:17,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 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 77 [2024-11-14 05:53:17,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:53:17,320 INFO L225 Difference]: With dead ends: 89811 [2024-11-14 05:53:17,320 INFO L226 Difference]: Without dead ends: 52572 [2024-11-14 05:53:17,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 168 SyntacticMatches, 10 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 1362 ImplicationChecksByTransitivity, 17.6s TimeCoverageRelationStatistics Valid=453, Invalid=2853, Unknown=0, NotChecked=0, Total=3306 [2024-11-14 05:53:17,343 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 188 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:53:17,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 519 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:53:17,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52572 states. [2024-11-14 05:53:17,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52572 to 44288. [2024-11-14 05:53:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44288 states, 44287 states have (on average 1.4118138505656288) internal successors, (62525), 44287 states have internal predecessors, (62525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:53:17,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44288 states to 44288 states and 62525 transitions. [2024-11-14 05:53:17,944 INFO L78 Accepts]: Start accepts. Automaton has 44288 states and 62525 transitions. Word has length 77 [2024-11-14 05:53:17,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:53:17,944 INFO L471 AbstractCegarLoop]: Abstraction has 44288 states and 62525 transitions. [2024-11-14 05:53:17,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:53:17,944 INFO L276 IsEmpty]: Start isEmpty. Operand 44288 states and 62525 transitions. [2024-11-14 05:53:17,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-14 05:53:17,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:53:17,945 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 05:53:17,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 05:53:18,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-14 05:53:18,146 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:53:18,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:53:18,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1324279741, now seen corresponding path program 1 times [2024-11-14 05:53:18,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:53:18,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935215748] [2024-11-14 05:53:18,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:53:18,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:53:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:53:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 05:53:18,480 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:53:18,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935215748] [2024-11-14 05:53:18,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935215748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:53:18,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785667264] [2024-11-14 05:53:18,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:53:18,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:53:18,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:53:18,482 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:53:18,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 05:53:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:53:18,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:53:18,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:53:18,938 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 05:53:18,938 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:53:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 05:53:19,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785667264] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:53:19,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [458605230] [2024-11-14 05:53:19,132 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2024-11-14 05:53:19,132 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:53:19,132 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:53:19,132 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:53:19,132 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:53:25,890 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:53:43,479 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '559018#(and (or (= ~mode3~0 1) (= ~mode3~0 0)) (exists ((|v_ULTIMATE.start_main_~assert__arg~0#1_57| Int)) (= (mod |v_ULTIMATE.start_main_~assert__arg~0#1_57| 256) 0)) (<= ~mode2~0 1) (<= ~mode1~0 1))' at error location [2024-11-14 05:53:43,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 05:53:43,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:53:43,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-14 05:53:43,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063638406] [2024-11-14 05:53:43,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 05:53:43,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:53:43,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:53:43,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:53:43,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=449, Invalid=2857, Unknown=0, NotChecked=0, Total=3306 [2024-11-14 05:53:43,481 INFO L87 Difference]: Start difference. First operand 44288 states and 62525 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:53:43,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:53:43,719 INFO L93 Difference]: Finished difference Result 100459 states and 142171 transitions. [2024-11-14 05:53:43,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:53:43,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 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 78 [2024-11-14 05:53:43,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:53:43,781 INFO L225 Difference]: With dead ends: 100459 [2024-11-14 05:53:43,782 INFO L226 Difference]: Without dead ends: 71929 [2024-11-14 05:53:43,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 171 SyntacticMatches, 10 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 1362 ImplicationChecksByTransitivity, 17.7s TimeCoverageRelationStatistics Valid=449, Invalid=2857, Unknown=0, NotChecked=0, Total=3306 [2024-11-14 05:53:43,804 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 356 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:53:43,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 360 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:53:43,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71929 states. [2024-11-14 05:53:44,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71929 to 54381. [2024-11-14 05:53:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54381 states, 54380 states have (on average 1.4026848105921295) internal successors, (76278), 54380 states have internal predecessors, (76278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:53:44,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54381 states to 54381 states and 76278 transitions. [2024-11-14 05:53:44,607 INFO L78 Accepts]: Start accepts. Automaton has 54381 states and 76278 transitions. Word has length 78 [2024-11-14 05:53:44,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:53:44,608 INFO L471 AbstractCegarLoop]: Abstraction has 54381 states and 76278 transitions. [2024-11-14 05:53:44,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:53:44,609 INFO L276 IsEmpty]: Start isEmpty. Operand 54381 states and 76278 transitions. [2024-11-14 05:53:44,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-14 05:53:44,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:53:44,613 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 05:53:44,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 05:53:44,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-14 05:53:44,814 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:53:44,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:53:44,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1843612835, now seen corresponding path program 1 times [2024-11-14 05:53:44,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:53:44,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971557509] [2024-11-14 05:53:44,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:53:44,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:53:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:53:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 05:53:45,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:53:45,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971557509] [2024-11-14 05:53:45,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971557509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:53:45,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746301105] [2024-11-14 05:53:45,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:53:45,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:53:45,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:53:45,095 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:53:45,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 05:53:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:53:45,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:53:45,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:53:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 05:53:45,570 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:53:45,768 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 05:53:45,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746301105] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:53:45,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [640826070] [2024-11-14 05:53:45,771 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2024-11-14 05:53:45,771 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:53:45,771 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:53:45,771 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:53:45,771 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:53:52,040 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:54:09,766 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '714384#(and (or (= ~mode3~0 1) (= ~mode3~0 0)) (<= ~mode2~0 1) (<= ~mode1~0 1) (exists ((|v_ULTIMATE.start_main_~assert__arg~0#1_69| Int)) (= 0 (mod |v_ULTIMATE.start_main_~assert__arg~0#1_69| 256))))' at error location [2024-11-14 05:54:09,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 05:54:09,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:54:09,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-14 05:54:09,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926364945] [2024-11-14 05:54:09,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 05:54:09,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 05:54:09,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:54:09,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 05:54:09,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=449, Invalid=2857, Unknown=0, NotChecked=0, Total=3306 [2024-11-14 05:54:09,768 INFO L87 Difference]: Start difference. First operand 54381 states and 76278 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:54:10,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:54:10,022 INFO L93 Difference]: Finished difference Result 109037 states and 153430 transitions. [2024-11-14 05:54:10,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:54:10,023 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 79 [2024-11-14 05:54:10,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:54:10,090 INFO L225 Difference]: With dead ends: 109037 [2024-11-14 05:54:10,090 INFO L226 Difference]: Without dead ends: 78435 [2024-11-14 05:54:10,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 173 SyntacticMatches, 11 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 1369 ImplicationChecksByTransitivity, 17.7s TimeCoverageRelationStatistics Valid=449, Invalid=2857, Unknown=0, NotChecked=0, Total=3306 [2024-11-14 05:54:10,113 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 354 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:54:10,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 366 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:54:10,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78435 states. [2024-11-14 05:54:10,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78435 to 65843. [2024-11-14 05:54:10,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65843 states, 65842 states have (on average 1.3970262142705263) internal successors, (91983), 65842 states have internal predecessors, (91983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:54:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65843 states to 65843 states and 91983 transitions. [2024-11-14 05:54:10,710 INFO L78 Accepts]: Start accepts. Automaton has 65843 states and 91983 transitions. Word has length 79 [2024-11-14 05:54:10,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:54:10,710 INFO L471 AbstractCegarLoop]: Abstraction has 65843 states and 91983 transitions. [2024-11-14 05:54:10,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:54:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 65843 states and 91983 transitions. [2024-11-14 05:54:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-14 05:54:10,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:54:10,711 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-14 05:54:10,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 05:54:10,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-14 05:54:10,912 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:54:10,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:54:10,912 INFO L85 PathProgramCache]: Analyzing trace with hash 668096820, now seen corresponding path program 1 times [2024-11-14 05:54:10,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:54:10,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148119061] [2024-11-14 05:54:10,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:54:10,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:54:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:54:10,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:54:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:54:11,185 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:54:11,185 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:54:11,186 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:54:11,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-14 05:54:11,192 INFO L407 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, 1] [2024-11-14 05:54:11,372 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:54:11,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:54:11 BoogieIcfgContainer [2024-11-14 05:54:11,375 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:54:11,376 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:54:11,376 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:54:11,377 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:54:11,377 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:51:20" (3/4) ... [2024-11-14 05:54:11,378 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-14 05:54:11,558 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:54:11,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:54:11,559 INFO L158 Benchmark]: Toolchain (without parser) took 173742.82ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 91.2MB in the beginning and 543.1MB in the end (delta: -451.9MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-14 05:54:11,559 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:54:11,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.38ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 72.6MB in the end (delta: 18.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:54:11,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.62ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 69.6MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:54:11,560 INFO L158 Benchmark]: Boogie Preprocessor took 58.40ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:54:11,560 INFO L158 Benchmark]: RCFGBuilder took 1629.50ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 76.5MB in the end (delta: -9.4MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2024-11-14 05:54:11,560 INFO L158 Benchmark]: TraceAbstraction took 171303.89ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 75.7MB in the beginning and 568.3MB in the end (delta: -492.7MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-14 05:54:11,560 INFO L158 Benchmark]: Witness Printer took 182.98ms. Allocated memory is still 1.7GB. Free memory was 568.3MB in the beginning and 543.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 05:54:11,565 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.38ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 72.6MB in the end (delta: 18.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.62ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 69.6MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.40ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1629.50ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 76.5MB in the end (delta: -9.4MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * TraceAbstraction took 171303.89ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 75.7MB in the beginning and 568.3MB in the end (delta: -492.7MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 182.98ms. Allocated memory is still 1.7GB. Free memory was 568.3MB in the beginning and 543.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. 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 - CounterExampleResult [Line: 379]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L10] int __return_main; [L25] msg_t nomsg = (msg_t )-1; [L26] port_t p12 = 0; [L27] char p12_old = '\x0'; [L28] char p12_new = '\x0'; [L29] _Bool ep12 = 0; [L30] port_t p13 = 0; [L31] char p13_old = '\x0'; [L32] char p13_new = '\x0'; [L33] _Bool ep13 = 0; [L34] port_t p21 = 0; [L35] char p21_old = '\x0'; [L36] char p21_new = '\x0'; [L37] _Bool ep21 = 0; [L38] port_t p23 = 0; [L39] char p23_old = '\x0'; [L40] char p23_new = '\x0'; [L41] _Bool ep23 = 0; [L42] port_t p31 = 0; [L43] char p31_old = '\x0'; [L44] char p31_new = '\x0'; [L45] _Bool ep31 = 0; [L46] port_t p32 = 0; [L47] char p32_old = '\x0'; [L48] char p32_new = '\x0'; [L49] _Bool ep32 = 0; [L50] char id1 = '\x0'; [L51] char r1 = '\x0'; [L52] char st1 = '\x0'; [L53] char nl1 = '\x0'; [L54] char m1 = '\x0'; [L55] char max1 = '\x0'; [L56] _Bool mode1 = 0; [L57] char id2 = '\x0'; [L58] char r2 = '\x0'; [L59] char st2 = '\x0'; [L60] char nl2 = '\x0'; [L61] char m2 = '\x0'; [L62] char max2 = '\x0'; [L63] _Bool mode2 = 0; [L64] char id3 = '\x0'; [L65] char r3 = '\x0'; [L66] char st3 = '\x0'; [L67] char nl3 = '\x0'; [L68] char m3 = '\x0'; [L69] char max3 = '\x0'; [L70] _Bool mode3 = 0; [L74] void (*nodes[3])() = { &node1, &node2, &node3 }; [L78] int __return_1179; [L79] int __return_1310; [L80] int __return_1387; [L83] int main__c1; [L84] int main__i2; [L85] main__c1 = 0 [L86] ep12 = __VERIFIER_nondet_bool() [L87] ep13 = __VERIFIER_nondet_bool() [L88] ep21 = __VERIFIER_nondet_bool() [L89] ep23 = __VERIFIER_nondet_bool() [L90] ep31 = __VERIFIER_nondet_bool() [L91] ep32 = __VERIFIER_nondet_bool() [L92] id1 = __VERIFIER_nondet_char() [L93] r1 = __VERIFIER_nondet_char() [L94] st1 = __VERIFIER_nondet_char() [L95] nl1 = __VERIFIER_nondet_char() [L96] m1 = __VERIFIER_nondet_char() [L97] max1 = __VERIFIER_nondet_char() [L98] mode1 = __VERIFIER_nondet_bool() [L99] id2 = __VERIFIER_nondet_char() [L100] r2 = __VERIFIER_nondet_char() [L101] st2 = __VERIFIER_nondet_char() [L102] nl2 = __VERIFIER_nondet_char() [L103] m2 = __VERIFIER_nondet_char() [L104] max2 = __VERIFIER_nondet_char() [L105] mode2 = __VERIFIER_nondet_bool() [L106] id3 = __VERIFIER_nondet_char() [L107] r3 = __VERIFIER_nondet_char() [L108] st3 = __VERIFIER_nondet_char() [L109] nl3 = __VERIFIER_nondet_char() [L110] m3 = __VERIFIER_nondet_char() [L111] max3 = __VERIFIER_nondet_char() [L112] mode3 = __VERIFIER_nondet_bool() [L114] _Bool init__r121; [L115] _Bool init__r131; [L116] _Bool init__r211; [L117] _Bool init__r231; [L118] _Bool init__r311; [L119] _Bool init__r321; [L120] _Bool init__r122; [L121] int init__tmp; [L122] _Bool init__r132; [L123] int init__tmp___0; [L124] _Bool init__r212; [L125] int init__tmp___1; [L126] _Bool init__r232; [L127] int init__tmp___2; [L128] _Bool init__r312; [L129] int init__tmp___3; [L130] _Bool init__r322; [L131] int init__tmp___4; [L132] int init__tmp___5; [L133] init__r121 = ep12 [L134] init__r131 = ep13 [L135] init__r211 = ep21 [L136] init__r231 = ep23 [L137] init__r311 = ep31 [L138] init__r321 = ep32 [L139] COND FALSE !(!(init__r121 == 0)) [L1034] COND TRUE !(init__r131 == 0) [L1036] COND TRUE !(ep32 == 0) [L1038] init__tmp = 1 [L143] init__r122 = (_Bool)init__tmp [L144] COND TRUE !(init__r131 == 0) [L146] init__tmp___0 = 1 [L148] init__r132 = (_Bool)init__tmp___0 [L149] COND TRUE !(init__r211 == 0) [L151] init__tmp___1 = 1 [L153] init__r212 = (_Bool)init__tmp___1 [L154] COND FALSE !(!(init__r231 == 0)) [L965] COND TRUE !(init__r211 == 0) [L967] COND TRUE !(ep13 == 0) [L969] init__tmp___2 = 1 [L158] init__r232 = (_Bool)init__tmp___2 [L159] COND FALSE !(!(init__r311 == 0)) [L942] COND TRUE !(init__r321 == 0) [L944] COND TRUE !(ep21 == 0) [L946] init__tmp___3 = 1 [L163] init__r312 = (_Bool)init__tmp___3 [L164] COND TRUE !(init__r321 == 0) [L166] init__tmp___4 = 1 [L168] init__r322 = (_Bool)init__tmp___4 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r122=1, init__r132=1, init__r212=1, init__r232=1, init__r312=1, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L169] COND TRUE ((int)id1) != ((int)id2) VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r122=1, init__r132=1, init__r212=1, init__r232=1, init__r312=1, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L171] COND TRUE ((int)id1) != ((int)id3) VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r122=1, init__r132=1, init__r212=1, init__r232=1, init__r312=1, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L173] COND TRUE ((int)id2) != ((int)id3) VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r122=1, init__r132=1, init__r212=1, init__r232=1, init__r312=1, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L175] COND TRUE ((int)id1) >= 0 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r122=1, init__r132=1, init__r212=1, init__r232=1, init__r312=1, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L177] COND TRUE ((int)id2) >= 0 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r122=1, init__r132=1, init__r212=1, init__r232=1, init__r312=1, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L179] COND TRUE ((int)id3) >= 0 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r122=1, init__r132=1, init__r212=1, init__r232=1, init__r312=1, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L181] COND TRUE ((int)r1) == 0 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r122=1, init__r132=1, init__r212=1, init__r232=1, init__r312=1, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L183] COND TRUE ((int)r2) == 0 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r122=1, init__r132=1, init__r212=1, init__r232=1, init__r312=1, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L185] COND TRUE ((int)r3) == 0 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r122=1, init__r132=1, init__r212=1, init__r232=1, init__r312=1, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L187] COND TRUE !(init__r122 == 0) VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r132=1, init__r212=1, init__r232=1, init__r312=1, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L189] COND TRUE !(init__r132 == 0) VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r212=1, init__r232=1, init__r312=1, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L191] COND TRUE !(init__r212 == 0) VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r232=1, init__r312=1, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L193] COND TRUE !(init__r232 == 0) VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r312=1, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L195] COND TRUE !(init__r312 == 0) VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, init__r322=1, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L197] COND TRUE !(init__r322 == 0) VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L199] COND TRUE ((int)max1) == ((int)id1) VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L201] COND TRUE ((int)max2) == ((int)id2) VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L203] COND TRUE ((int)max3) == ((int)id3) VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L205] COND TRUE ((int)st1) == 0 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L207] COND TRUE ((int)st2) == 0 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L209] COND TRUE ((int)st3) == 0 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L211] COND TRUE ((int)nl1) == 0 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L213] COND TRUE ((int)nl2) == 0 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L215] COND TRUE ((int)nl3) == 0 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L217] COND TRUE ((int)mode1) == 0 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L219] COND TRUE ((int)mode2) == 0 VAL [__return_1179=0, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L221] COND TRUE ((int)mode3) == 0 [L223] init__tmp___5 = 1 [L224] __return_1179 = init__tmp___5 [L225] main__i2 = __return_1179 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=1, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=0, p12_old=0, p13=0, p13_new=0, p13_old=0, p21=0, p21_new=0, p21_old=0, p23=0, p23_new=0, p23_old=0, p31=0, p31_new=0, p31_old=0, p32=0, p32_new=0, p32_old=0, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L226] COND TRUE main__i2 != 0 [L228] p12_old = nomsg [L229] p12_new = nomsg [L230] p13_old = nomsg [L231] p13_new = nomsg [L232] p21_old = nomsg [L233] p21_new = nomsg [L234] p23_old = nomsg [L235] p23_new = nomsg [L236] p31_old = nomsg [L237] p31_new = nomsg [L238] p32_old = nomsg [L239] p32_new = nomsg [L240] main__i2 = 0 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L242] COND TRUE main__i2 < 6 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L245] COND FALSE !(!(mode1 == 0)) VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L703] COND TRUE ((int)r1) < 2 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L705] COND FALSE !(!(ep12 == 0)) VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L716] COND TRUE !(ep13 == 0) [L718] int node1____CPAchecker_TMP_1; VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L719] COND TRUE max1 != nomsg VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L721] COND TRUE p13_new == nomsg [L723] node1____CPAchecker_TMP_1 = max1 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, node1____CPAchecker_TMP_1=5, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L725] p13_new = node1____CPAchecker_TMP_1 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L727] mode1 = 1 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L273] COND FALSE !(!(mode2 == 0)) VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L602] COND TRUE ((int)r2) < 2 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L604] COND TRUE !(ep21 == 0) [L606] int node2____CPAchecker_TMP_0; VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L607] COND TRUE max2 != nomsg VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L609] COND TRUE p21_new == nomsg [L611] node2____CPAchecker_TMP_0 = max2 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, node2____CPAchecker_TMP_0=4, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L613] p21_new = node2____CPAchecker_TMP_0 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=4, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L615] COND FALSE !(!(ep23 == 0)) VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=4, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L626] mode2 = 1 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=4, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L301] COND FALSE !(!(mode3 == 0)) VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=4, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L501] COND TRUE ((int)r3) < 2 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=4, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L503] COND FALSE !(!(ep31 == 0)) VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=4, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L514] COND TRUE !(ep32 == 0) [L516] int node3____CPAchecker_TMP_1; VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=4, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L517] COND TRUE max3 != nomsg VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=4, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L519] COND TRUE p32_new == nomsg [L521] node3____CPAchecker_TMP_1 = max3 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=0, nl1=0, nl2=0, nl3=0, node3____CPAchecker_TMP_1=6, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=4, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L523] p32_new = node3____CPAchecker_TMP_1 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=4, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=6, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L525] mode3 = 1 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=5, p13_old=-1, p21=0, p21_new=4, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=6, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L328] p12_old = p12_new [L329] p12_new = nomsg [L330] p13_old = p13_new [L331] p13_new = nomsg [L332] p21_old = p21_new [L333] p21_new = nomsg [L334] p23_old = p23_new [L335] p23_new = nomsg [L336] p31_old = p31_new [L337] p31_new = nomsg [L338] p32_old = p32_new [L339] p32_new = nomsg [L341] int check__tmp; VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=4, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L342] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=4, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L344] COND TRUE (((int)st1) + ((int)nl1)) <= 1 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=4, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L346] COND TRUE (((int)st2) + ((int)nl2)) <= 1 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=4, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L348] COND TRUE (((int)st3) + ((int)nl3)) <= 1 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=4, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L350] COND FALSE !(((int)r1) >= 2) VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=4, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L432] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=4, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L353] COND TRUE ((int)r1) < 2 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=4, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L356] COND FALSE !(((int)r1) >= 2) VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=4, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L406] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=4, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L359] COND TRUE ((int)r1) < 2 [L361] check__tmp = 1 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, check__tmp=1, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=4, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L370] __return_1310 = check__tmp [L371] main__c1 = __return_1310 [L373] _Bool __tmp_1; [L374] __tmp_1 = main__c1 [L375] _Bool assert__arg; [L376] assert__arg = __tmp_1 VAL [__return_1179=1, __return_1310=1, __return_1387=0, __return_main=0, assert__arg=1, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=0, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=4, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L377] COND FALSE !(assert__arg == 0) [L384] int main____CPAchecker_TMP_0 = main__i2; [L385] main__i2 = main__i2 + 1 VAL [__return_1179=1, __return_1310=1, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=1, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=4, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L242] COND TRUE main__i2 < 6 VAL [__return_1179=1, __return_1310=1, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=1, max1=5, max2=4, max3=6, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=4, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L245] COND TRUE !(mode1 == 0) [L247] r1 = (char)(((int)r1) + 1) [L248] COND TRUE !(ep21 == 0) [L250] m1 = p21_old [L251] p21_old = nomsg [L252] COND FALSE !(((int)m1) > ((int)max1)) [L256] COND FALSE !(!(ep31 == 0)) [L264] COND TRUE ((int)r1) == 1 [L266] COND TRUE ((int)max1) == ((int)id1) [L268] st1 = 1 [L270] mode1 = 0 VAL [__return_1179=1, __return_1310=1, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=-1, m3=5, main__i2=1, max1=5, max2=4, max3=6, mode1=0, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=6, r1=1, r2=0, r3=0, st1=1, st2=0, st3=0] [L273] COND TRUE !(mode2 == 0) [L275] r2 = (char)(((int)r2) + 1) [L276] COND FALSE !(!(ep12 == 0)) [L284] COND TRUE !(ep32 == 0) [L286] m2 = p32_old [L287] p32_old = nomsg [L288] COND TRUE ((int)m2) > ((int)max2) [L290] max2 = m2 [L292] COND FALSE !(((int)r2) == 2) [L298] mode2 = 0 VAL [__return_1179=1, __return_1310=1, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=6, m3=5, main__i2=1, max1=5, max2=6, max3=6, mode1=0, mode2=0, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=5, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=0, st1=1, st2=0, st3=0] [L301] COND TRUE !(mode3 == 0) [L303] r3 = (char)(((int)r3) + 1) [L304] COND TRUE !(ep13 == 0) [L306] m3 = p13_old [L307] p13_old = nomsg [L308] COND FALSE !(((int)m3) > ((int)max3)) [L312] COND FALSE !(!(ep23 == 0)) [L320] COND FALSE !(((int)r3) == 2) [L326] mode3 = 0 VAL [__return_1179=1, __return_1310=1, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=6, m3=5, main__i2=1, max1=5, max2=6, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L328] p12_old = p12_new [L329] p12_new = nomsg [L330] p13_old = p13_new [L331] p13_new = nomsg [L332] p21_old = p21_new [L333] p21_new = nomsg [L334] p23_old = p23_new [L335] p23_new = nomsg [L336] p31_old = p31_new [L337] p31_new = nomsg [L338] p32_old = p32_new [L339] p32_new = nomsg [L341] int check__tmp; VAL [__return_1179=1, __return_1310=1, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=6, m3=5, main__i2=1, max1=5, max2=6, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L342] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 VAL [__return_1179=1, __return_1310=1, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=6, m3=5, main__i2=1, max1=5, max2=6, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L344] COND TRUE (((int)st1) + ((int)nl1)) <= 1 VAL [__return_1179=1, __return_1310=1, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=6, m3=5, main__i2=1, max1=5, max2=6, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L346] COND TRUE (((int)st2) + ((int)nl2)) <= 1 VAL [__return_1179=1, __return_1310=1, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=6, m3=5, main__i2=1, max1=5, max2=6, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L348] COND TRUE (((int)st3) + ((int)nl3)) <= 1 VAL [__return_1179=1, __return_1310=1, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=6, m3=5, main__i2=1, max1=5, max2=6, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L350] COND FALSE !(((int)r1) >= 2) VAL [__return_1179=1, __return_1310=1, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=6, m3=5, main__i2=1, max1=5, max2=6, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L432] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) == 0) [L438] check__tmp = 0 VAL [__return_1179=1, __return_1310=1, __return_1387=0, __return_main=0, check__tmp=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=6, m3=5, main__i2=1, max1=5, max2=6, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L370] __return_1310 = check__tmp [L371] main__c1 = __return_1310 [L373] _Bool __tmp_1; [L374] __tmp_1 = main__c1 [L375] _Bool assert__arg; [L376] assert__arg = __tmp_1 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, assert__arg=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=6, m3=5, main__i2=1, max1=5, max2=6, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L377] COND TRUE assert__arg == 0 VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=6, m3=5, main__i2=1, max1=5, max2=6, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L379] reach_error() VAL [__return_1179=1, __return_1310=0, __return_1387=0, __return_main=0, ep12=0, ep13=1, ep21=1, ep23=0, ep31=0, ep32=1, id1=5, id2=4, id3=6, m1=4, m2=6, m3=5, main__i2=1, max1=5, max2=6, max3=6, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 171.0s, OverallIterations: 26, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 35.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9839 SdHoareTripleChecker+Valid, 8.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9839 mSDsluCounter, 14992 SdHoareTripleChecker+Invalid, 7.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11836 mSDsCounter, 215 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5564 IncrementalHoareTripleChecker+Invalid, 5779 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 215 mSolverCounterUnsat, 3156 mSDtfsCounter, 5564 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1244 GetRequests, 763 SyntacticMatches, 38 SemanticMatches, 443 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 22655 ImplicationChecksByTransitivity, 100.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65843occurred in iteration=25, InterpolantAutomatonStates: 243, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.3s AutomataMinimizationTime, 25 MinimizatonAttempts, 82650 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 22.1s InterpolantComputationTime, 1970 NumberOfCodeBlocks, 1970 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2165 ConstructedInterpolants, 0 QuantifiedInterpolants, 22497 SizeOfPredicates, 47 NumberOfNonLiveVariables, 1981 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 34 InterpolantComputations, 21 PerfectInterpolantSequences, 97/162 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-14 05:54:11,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb828568-a030-49fe-94de-4b54d5465240/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE