./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 07c94e5cd3bc71d2316ee023f3c3de7a743ac154d633131bf7b85324be3bb818 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:06:36,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:06:36,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:06:36,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:06:36,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:06:36,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:06:36,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:06:36,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:06:36,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:06:36,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:06:36,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:06:36,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:06:36,437 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:06:36,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:06:36,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:06:36,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:06:36,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:06:36,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:06:36,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:06:36,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:06:36,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:06:36,443 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:06:36,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:06:36,444 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:06:36,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:06:36,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:36,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:06:36,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:06:36,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:06:36,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:06:36,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:06:36,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:06:36,449 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:06:36,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:06:36,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:06:36,450 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:06:36,451 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07c94e5cd3bc71d2316ee023f3c3de7a743ac154d633131bf7b85324be3bb818 [2023-11-06 22:06:36,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:06:36,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:06:36,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:06:36,796 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:06:36,797 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:06:36,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-06 22:06:39,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:06:40,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:06:40,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-06 22:06:40,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/data/71893e121/399539d706b243a4b9fc5e79469bf2fc/FLAGd89c96f3d [2023-11-06 22:06:40,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/data/71893e121/399539d706b243a4b9fc5e79469bf2fc [2023-11-06 22:06:40,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:06:40,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:06:40,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:40,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:06:40,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:06:40,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:40" (1/1) ... [2023-11-06 22:06:40,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@649724e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:40, skipping insertion in model container [2023-11-06 22:06:40,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:40" (1/1) ... [2023-11-06 22:06:40,459 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:06:40,679 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c[1259,1272] [2023-11-06 22:06:40,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:40,992 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:06:41,005 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c[1259,1272] [2023-11-06 22:06:41,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:41,248 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:06:41,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:41 WrapperNode [2023-11-06 22:06:41,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:41,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:41,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:06:41,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:06:41,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:41" (1/1) ... [2023-11-06 22:06:41,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:41" (1/1) ... [2023-11-06 22:06:41,650 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2432 [2023-11-06 22:06:41,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:41,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:06:41,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:06:41,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:06:41,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:41" (1/1) ... [2023-11-06 22:06:41,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:41" (1/1) ... [2023-11-06 22:06:41,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:41" (1/1) ... [2023-11-06 22:06:41,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:41" (1/1) ... [2023-11-06 22:06:41,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:41" (1/1) ... [2023-11-06 22:06:41,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:41" (1/1) ... [2023-11-06 22:06:41,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:41" (1/1) ... [2023-11-06 22:06:41,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:41" (1/1) ... [2023-11-06 22:06:42,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:06:42,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:06:42,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:06:42,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:06:42,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:41" (1/1) ... [2023-11-06 22:06:42,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:42,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:42,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:42,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:06:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:06:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:06:42,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:06:42,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:06:42,389 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:06:42,391 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:06:44,609 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:06:44,629 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:06:44,629 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:06:44,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:44 BoogieIcfgContainer [2023-11-06 22:06:44,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:06:44,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:06:44,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:06:44,638 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:06:44,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:06:40" (1/3) ... [2023-11-06 22:06:44,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e04507b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:44, skipping insertion in model container [2023-11-06 22:06:44,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:41" (2/3) ... [2023-11-06 22:06:44,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e04507b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:44, skipping insertion in model container [2023-11-06 22:06:44,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:44" (3/3) ... [2023-11-06 22:06:44,641 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-06 22:06:44,661 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:06:44,661 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:06:44,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:06:44,751 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2ed999a5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:06:44,751 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:06:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 414 states, 412 states have (on average 1.662621359223301) internal successors, (685), 413 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:44,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-06 22:06:44,769 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:44,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:44,771 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:44,778 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:44,779 INFO L85 PathProgramCache]: Analyzing trace with hash -764768305, now seen corresponding path program 1 times [2023-11-06 22:06:44,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:44,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949665888] [2023-11-06 22:06:44,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:44,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:45,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:45,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949665888] [2023-11-06 22:06:45,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949665888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:45,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:45,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:45,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405565823] [2023-11-06 22:06:45,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:45,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:45,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:45,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:45,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:45,610 INFO L87 Difference]: Start difference. First operand has 414 states, 412 states have (on average 1.662621359223301) internal successors, (685), 413 states have internal predecessors, (685), 0 states have call successors, (0), 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 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:45,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:45,752 INFO L93 Difference]: Finished difference Result 785 states and 1303 transitions. [2023-11-06 22:06:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:45,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2023-11-06 22:06:45,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:45,770 INFO L225 Difference]: With dead ends: 785 [2023-11-06 22:06:45,771 INFO L226 Difference]: Without dead ends: 412 [2023-11-06 22:06:45,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:45,779 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 1 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2025 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:45,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2025 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:45,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-06 22:06:45,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2023-11-06 22:06:45,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.6569343065693432) internal successors, (681), 411 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:45,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 681 transitions. [2023-11-06 22:06:45,844 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 681 transitions. Word has length 45 [2023-11-06 22:06:45,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:45,844 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 681 transitions. [2023-11-06 22:06:45,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:45,845 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 681 transitions. [2023-11-06 22:06:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:06:45,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:45,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:45,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:06:45,848 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:45,848 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:45,849 INFO L85 PathProgramCache]: Analyzing trace with hash 2063711509, now seen corresponding path program 1 times [2023-11-06 22:06:45,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:45,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900657623] [2023-11-06 22:06:45,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:45,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:46,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:46,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:46,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900657623] [2023-11-06 22:06:46,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900657623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:46,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:46,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:46,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825121923] [2023-11-06 22:06:46,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:46,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:46,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:46,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:46,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:46,192 INFO L87 Difference]: Start difference. First operand 412 states and 681 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 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) [2023-11-06 22:06:46,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:46,243 INFO L93 Difference]: Finished difference Result 786 states and 1299 transitions. [2023-11-06 22:06:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:46,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 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 [2023-11-06 22:06:46,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:46,250 INFO L225 Difference]: With dead ends: 786 [2023-11-06 22:06:46,250 INFO L226 Difference]: Without dead ends: 415 [2023-11-06 22:06:46,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:46,263 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 1 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:46,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2022 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:46,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-11-06 22:06:46,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 414. [2023-11-06 22:06:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 413 states have (on average 1.6537530266343825) internal successors, (683), 413 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 683 transitions. [2023-11-06 22:06:46,310 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 683 transitions. Word has length 46 [2023-11-06 22:06:46,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:46,311 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 683 transitions. [2023-11-06 22:06:46,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 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) [2023-11-06 22:06:46,311 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 683 transitions. [2023-11-06 22:06:46,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-06 22:06:46,315 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:46,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:46,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:06:46,316 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:46,320 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:46,321 INFO L85 PathProgramCache]: Analyzing trace with hash -659884887, now seen corresponding path program 1 times [2023-11-06 22:06:46,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:46,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840166099] [2023-11-06 22:06:46,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:46,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:46,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:46,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:46,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840166099] [2023-11-06 22:06:46,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840166099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:46,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:46,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:06:46,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052343760] [2023-11-06 22:06:46,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:46,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:06:46,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:46,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:06:46,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:06:46,949 INFO L87 Difference]: Start difference. First operand 414 states and 683 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:47,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:47,203 INFO L93 Difference]: Finished difference Result 1533 states and 2530 transitions. [2023-11-06 22:06:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:06:47,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2023-11-06 22:06:47,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:47,211 INFO L225 Difference]: With dead ends: 1533 [2023-11-06 22:06:47,212 INFO L226 Difference]: Without dead ends: 1160 [2023-11-06 22:06:47,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:06:47,214 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 1818 mSDsluCounter, 2738 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 3430 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:47,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1818 Valid, 3430 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:06:47,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2023-11-06 22:06:47,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 419. [2023-11-06 22:06:47,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 418 states have (on average 1.6507177033492824) internal successors, (690), 418 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:47,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 690 transitions. [2023-11-06 22:06:47,238 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 690 transitions. Word has length 47 [2023-11-06 22:06:47,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:47,238 INFO L495 AbstractCegarLoop]: Abstraction has 419 states and 690 transitions. [2023-11-06 22:06:47,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 690 transitions. [2023-11-06 22:06:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-06 22:06:47,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:47,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:47,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:06:47,241 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:47,242 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:47,242 INFO L85 PathProgramCache]: Analyzing trace with hash -2069682311, now seen corresponding path program 1 times [2023-11-06 22:06:47,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:47,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295137072] [2023-11-06 22:06:47,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:47,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:48,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:48,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:48,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295137072] [2023-11-06 22:06:48,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295137072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:48,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:48,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:06:48,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301924054] [2023-11-06 22:06:48,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:48,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:06:48,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:48,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:06:48,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:06:48,478 INFO L87 Difference]: Start difference. First operand 419 states and 690 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 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) [2023-11-06 22:06:49,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:49,319 INFO L93 Difference]: Finished difference Result 1917 states and 3164 transitions. [2023-11-06 22:06:49,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:06:49,320 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 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 [2023-11-06 22:06:49,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:49,329 INFO L225 Difference]: With dead ends: 1917 [2023-11-06 22:06:49,329 INFO L226 Difference]: Without dead ends: 1539 [2023-11-06 22:06:49,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2023-11-06 22:06:49,340 INFO L413 NwaCegarLoop]: 1281 mSDtfsCounter, 4888 mSDsluCounter, 5891 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4888 SdHoareTripleChecker+Valid, 7172 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:49,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4888 Valid, 7172 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:06:49,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2023-11-06 22:06:49,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 436. [2023-11-06 22:06:49,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 435 states have (on average 1.6436781609195403) internal successors, (715), 435 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:49,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 715 transitions. [2023-11-06 22:06:49,365 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 715 transitions. Word has length 48 [2023-11-06 22:06:49,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:49,366 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 715 transitions. [2023-11-06 22:06:49,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 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) [2023-11-06 22:06:49,366 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 715 transitions. [2023-11-06 22:06:49,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-06 22:06:49,368 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:49,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:49,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:06:49,369 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:49,370 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:49,370 INFO L85 PathProgramCache]: Analyzing trace with hash -294674949, now seen corresponding path program 1 times [2023-11-06 22:06:49,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:49,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497142177] [2023-11-06 22:06:49,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:49,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:49,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:06:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:49,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:06:49,570 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:06:49,571 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:06:49,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:06:49,577 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 22:06:49,580 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:06:49,669 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 22:06:49,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:06:49 BoogieIcfgContainer [2023-11-06 22:06:49,698 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:06:49,699 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:06:49,699 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:06:49,699 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:06:49,700 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:44" (3/4) ... [2023-11-06 22:06:49,703 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:06:49,706 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:06:49,706 INFO L158 Benchmark]: Toolchain (without parser) took 9321.99ms. Allocated memory was 148.9MB in the beginning and 383.8MB in the end (delta: 234.9MB). Free memory was 118.0MB in the beginning and 153.9MB in the end (delta: -35.9MB). Peak memory consumption was 200.9MB. Max. memory is 16.1GB. [2023-11-06 22:06:49,707 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 115.3MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:06:49,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 863.79ms. Allocated memory is still 148.9MB. Free memory was 118.0MB in the beginning and 72.9MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-06 22:06:49,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 401.20ms. Allocated memory is still 148.9MB. Free memory was 72.9MB in the beginning and 85.9MB in the end (delta: -12.9MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2023-11-06 22:06:49,708 INFO L158 Benchmark]: Boogie Preprocessor took 366.50ms. Allocated memory is still 148.9MB. Free memory was 85.9MB in the beginning and 75.7MB in the end (delta: 10.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-11-06 22:06:49,709 INFO L158 Benchmark]: RCFGBuilder took 2612.80ms. Allocated memory was 148.9MB in the beginning and 251.7MB in the end (delta: 102.8MB). Free memory was 75.7MB in the beginning and 127.5MB in the end (delta: -51.8MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2023-11-06 22:06:49,709 INFO L158 Benchmark]: TraceAbstraction took 5063.94ms. Allocated memory was 251.7MB in the beginning and 383.8MB in the end (delta: 132.1MB). Free memory was 126.5MB in the beginning and 154.9MB in the end (delta: -28.5MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. [2023-11-06 22:06:49,709 INFO L158 Benchmark]: Witness Printer took 7.00ms. Allocated memory is still 383.8MB. Free memory was 154.9MB in the beginning and 153.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:06:49,713 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 115.3MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 863.79ms. Allocated memory is still 148.9MB. Free memory was 118.0MB in the beginning and 72.9MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 401.20ms. Allocated memory is still 148.9MB. Free memory was 72.9MB in the beginning and 85.9MB in the end (delta: -12.9MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 366.50ms. Allocated memory is still 148.9MB. Free memory was 85.9MB in the beginning and 75.7MB in the end (delta: 10.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2612.80ms. Allocated memory was 148.9MB in the beginning and 251.7MB in the end (delta: 102.8MB). Free memory was 75.7MB in the beginning and 127.5MB in the end (delta: -51.8MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5063.94ms. Allocated memory was 251.7MB in the beginning and 383.8MB in the end (delta: 132.1MB). Free memory was 126.5MB in the beginning and 154.9MB in the end (delta: -28.5MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. * Witness Printer took 7.00ms. Allocated memory is still 383.8MB. Free memory was 154.9MB in the beginning and 153.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 177, overapproximation of bitwiseAnd at line 182. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 3); [L36] const SORT_7 msb_SORT_7 = (SORT_7)1 << (3 - 1); [L38] const SORT_80 mask_SORT_80 = (SORT_80)-1 >> (sizeof(SORT_80) * 8 - 32); [L39] const SORT_80 msb_SORT_80 = (SORT_80)1 << (32 - 1); [L41] const SORT_91 mask_SORT_91 = (SORT_91)-1 >> (sizeof(SORT_91) * 8 - 4); [L42] const SORT_91 msb_SORT_91 = (SORT_91)1 << (4 - 1); [L44] const SORT_176 mask_SORT_176 = (SORT_176)-1 >> (sizeof(SORT_176) * 8 - 2); [L45] const SORT_176 msb_SORT_176 = (SORT_176)1 << (2 - 1); [L47] const SORT_7 var_8 = 0; [L48] const SORT_5 var_12 = 0; [L49] const SORT_7 var_16 = 2; [L50] const SORT_1 var_19 = 0; [L51] const SORT_3 var_23 = 0; [L52] const SORT_1 var_39 = 1; [L53] const SORT_7 var_59 = 1; [L54] const SORT_7 var_64 = 4; [L55] const SORT_7 var_66 = 5; [L56] const SORT_7 var_70 = 3; [L57] const SORT_80 var_82 = 0; [L58] const SORT_7 var_108 = 7; [L59] const SORT_7 var_113 = 6; [L60] const SORT_3 var_140 = 2; [L61] const SORT_3 var_185 = 31; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_5 input_6; [L66] SORT_3 input_173; [L67] SORT_3 input_174; [L68] SORT_3 input_175; [L69] SORT_3 input_184; [L70] SORT_3 input_194; [L71] SORT_3 input_195; [L72] SORT_3 input_196; [L73] SORT_3 input_199; [L74] SORT_3 input_218; [L75] SORT_3 input_219; [L76] SORT_3 input_220; [L77] SORT_3 input_223; [L78] SORT_3 input_225; [L79] SORT_176 input_239; [L80] SORT_176 input_240; [L81] SORT_176 input_241; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 VAL [__VERIFIER_nondet_uchar() & mask_SORT_7=0, __VERIFIER_nondet_uchar()=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L83] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L84] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 VAL [__VERIFIER_nondet_ushort() & mask_SORT_5=0, __VERIFIER_nondet_ushort()=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L84] SORT_5 state_13 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L85] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L86] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L87] SORT_3 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L88] SORT_3 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L89] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L90] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L91] SORT_3 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L92] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L93] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L94] SORT_3 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L95] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] SORT_7 init_10_arg_1 = var_8; [L98] state_9 = init_10_arg_1 [L99] SORT_5 init_14_arg_1 = var_12; [L100] state_13 = init_14_arg_1 [L101] SORT_1 init_21_arg_1 = var_19; [L102] state_20 = init_21_arg_1 [L103] SORT_3 init_25_arg_1 = var_23; [L104] state_24 = init_25_arg_1 [L105] SORT_3 init_27_arg_1 = var_23; [L106] state_26 = init_27_arg_1 [L107] SORT_3 init_33_arg_1 = var_23; [L108] state_32 = init_33_arg_1 [L109] SORT_3 init_44_arg_1 = var_23; [L110] state_43 = init_44_arg_1 [L111] SORT_3 init_46_arg_1 = var_23; [L112] state_45 = init_46_arg_1 [L113] SORT_3 init_48_arg_1 = var_23; [L114] state_47 = init_48_arg_1 [L115] SORT_3 init_50_arg_1 = var_23; [L116] state_49 = init_50_arg_1 [L117] SORT_3 init_52_arg_1 = var_23; [L118] state_51 = init_52_arg_1 [L119] SORT_3 init_54_arg_1 = var_23; [L120] state_53 = init_54_arg_1 [L121] SORT_3 init_56_arg_1 = var_23; [L122] state_55 = init_56_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_6 = __VERIFIER_nondet_ushort() [L128] input_173 = __VERIFIER_nondet_uchar() [L129] input_174 = __VERIFIER_nondet_uchar() [L130] input_175 = __VERIFIER_nondet_uchar() [L131] input_184 = __VERIFIER_nondet_uchar() [L132] input_194 = __VERIFIER_nondet_uchar() [L133] input_195 = __VERIFIER_nondet_uchar() [L134] input_196 = __VERIFIER_nondet_uchar() [L135] input_199 = __VERIFIER_nondet_uchar() [L136] input_218 = __VERIFIER_nondet_uchar() [L137] input_219 = __VERIFIER_nondet_uchar() [L138] input_220 = __VERIFIER_nondet_uchar() [L139] input_223 = __VERIFIER_nondet_uchar() [L140] input_225 = __VERIFIER_nondet_uchar() [L141] input_239 = __VERIFIER_nondet_uchar() [L142] input_240 = __VERIFIER_nondet_uchar() [L143] input_241 = __VERIFIER_nondet_uchar() [L146] SORT_7 var_11_arg_0 = state_9; [L147] SORT_1 var_11 = var_11_arg_0 >> 2; [L148] SORT_5 var_15_arg_0 = state_13; [L149] SORT_7 var_15 = var_15_arg_0 >> 9; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L150] EXPR var_15 & mask_SORT_7 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15 & mask_SORT_7=0, var_15=0, var_15_arg_0=0, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L150] var_15 = var_15 & mask_SORT_7 [L151] SORT_7 var_17_arg_0 = var_15; [L152] SORT_7 var_17_arg_1 = var_16; [L153] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L154] SORT_1 var_18_arg_0 = var_11; [L155] SORT_1 var_18_arg_1 = var_17; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L156] EXPR var_18_arg_0 & var_18_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18_arg_0 & var_18_arg_1=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L156] SORT_1 var_18 = var_18_arg_0 & var_18_arg_1; [L157] SORT_1 var_22_arg_0 = var_18; [L158] SORT_1 var_22_arg_1 = state_20; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L159] EXPR var_22_arg_0 & var_22_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22_arg_0 & var_22_arg_1=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L159] SORT_1 var_22 = var_22_arg_0 & var_22_arg_1; [L160] SORT_3 var_28_arg_0 = state_24; [L161] SORT_3 var_28_arg_1 = state_26; [L162] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L163] SORT_1 var_29_arg_0 = var_28; [L164] SORT_1 var_29 = ~var_29_arg_0; [L165] SORT_1 var_30_arg_0 = var_22; [L166] SORT_1 var_30_arg_1 = var_29; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30_arg_0=0, var_30_arg_1=254, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L167] EXPR var_30_arg_0 & var_30_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30_arg_0 & var_30_arg_1=0, var_30_arg_0=0, var_30_arg_1=254, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L167] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L168] SORT_1 var_31_arg_0 = var_30; [L169] SORT_1 var_31 = ~var_31_arg_0; [L170] SORT_3 var_34_arg_0 = state_32; [L171] SORT_3 var_34_arg_1 = state_26; [L172] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L173] SORT_1 var_35_arg_0 = var_34; [L174] SORT_1 var_35 = ~var_35_arg_0; [L175] SORT_1 var_36_arg_0 = var_31; [L176] SORT_1 var_36_arg_1 = var_35; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L177] EXPR var_36_arg_0 | var_36_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36_arg_0 | var_36_arg_1=256, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L177] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L178] SORT_1 var_40_arg_0 = var_36; [L179] SORT_1 var_40 = ~var_40_arg_0; [L180] SORT_1 var_41_arg_0 = var_39; [L181] SORT_1 var_41_arg_1 = var_40; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36=0, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_40=255, var_40_arg_0=0, var_41_arg_0=1, var_41_arg_1=255, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L182] EXPR var_41_arg_0 & var_41_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36=0, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_40=255, var_40_arg_0=0, var_41_arg_0 & var_41_arg_1=1, var_41_arg_0=1, var_41_arg_1=255, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L182] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L183] EXPR var_41 & mask_SORT_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36=0, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_40=255, var_40_arg_0=0, var_41 & mask_SORT_1=1, var_41=1, var_41_arg_0=1, var_41_arg_1=255, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L183] var_41 = var_41 & mask_SORT_1 [L184] SORT_1 bad_42_arg_0 = var_41; [L185] CALL __VERIFIER_assert(!(bad_42_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 414 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6708 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6708 mSDsluCounter, 14649 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11322 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 319 IncrementalHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 3327 mSDtfsCounter, 319 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=436occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1845 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:06:49,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 07c94e5cd3bc71d2316ee023f3c3de7a743ac154d633131bf7b85324be3bb818 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:06:52,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:06:52,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 22:06:52,504 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:06:52,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:06:52,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:06:52,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:06:52,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:06:52,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:06:52,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:06:52,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:06:52,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:06:52,579 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:06:52,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:06:52,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:06:52,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:06:52,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:06:52,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:06:52,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:06:52,585 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:06:52,585 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:06:52,586 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:06:52,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:06:52,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:06:52,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:06:52,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:06:52,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:06:52,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:52,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:06:52,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:06:52,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:06:52,591 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:06:52,592 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:06:52,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:06:52,593 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:06:52,593 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:06:52,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:06:52,594 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:06:52,594 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:06:52,595 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07c94e5cd3bc71d2316ee023f3c3de7a743ac154d633131bf7b85324be3bb818 [2023-11-06 22:06:53,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:06:53,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:06:53,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:06:53,060 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:06:53,061 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:06:53,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-06 22:06:56,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:06:56,806 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:06:56,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-06 22:06:56,827 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/data/5f38aa816/4ee10f556d344ec79cda1840a6b6417c/FLAG0559ca975 [2023-11-06 22:06:56,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/data/5f38aa816/4ee10f556d344ec79cda1840a6b6417c [2023-11-06 22:06:56,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:06:56,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:06:56,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:56,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:06:56,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:06:56,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:56" (1/1) ... [2023-11-06 22:06:56,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5874e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:56, skipping insertion in model container [2023-11-06 22:06:56,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:56" (1/1) ... [2023-11-06 22:06:56,914 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:06:57,125 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c[1259,1272] [2023-11-06 22:06:57,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:57,482 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:06:57,501 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c[1259,1272] [2023-11-06 22:06:57,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:57,664 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:06:57,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:57 WrapperNode [2023-11-06 22:06:57,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:57,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:57,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:06:57,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:06:57,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:57" (1/1) ... [2023-11-06 22:06:57,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:57" (1/1) ... [2023-11-06 22:06:57,826 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1088 [2023-11-06 22:06:57,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:57,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:06:57,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:06:57,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:06:57,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:57" (1/1) ... [2023-11-06 22:06:57,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:57" (1/1) ... [2023-11-06 22:06:57,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:57" (1/1) ... [2023-11-06 22:06:57,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:57" (1/1) ... [2023-11-06 22:06:57,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:57" (1/1) ... [2023-11-06 22:06:57,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:57" (1/1) ... [2023-11-06 22:06:57,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:57" (1/1) ... [2023-11-06 22:06:57,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:57" (1/1) ... [2023-11-06 22:06:57,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:06:57,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:06:57,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:06:57,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:06:57,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:57" (1/1) ... [2023-11-06 22:06:57,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:57,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:57,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:58,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:06:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:06:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:06:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:06:58,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:06:58,335 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:06:58,337 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:07:00,120 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:07:00,128 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:07:00,129 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:07:00,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:00 BoogieIcfgContainer [2023-11-06 22:07:00,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:07:00,134 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:07:00,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:07:00,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:07:00,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:06:56" (1/3) ... [2023-11-06 22:07:00,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21535524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:00, skipping insertion in model container [2023-11-06 22:07:00,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:57" (2/3) ... [2023-11-06 22:07:00,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21535524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:00, skipping insertion in model container [2023-11-06 22:07:00,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:00" (3/3) ... [2023-11-06 22:07:00,144 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-06 22:07:00,164 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:07:00,165 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:07:00,224 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:07:00,230 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@19859ad5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:07:00,231 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:07:00,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:00,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 22:07:00,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:00,244 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:07:00,245 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:00,254 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:00,254 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 22:07:00,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:00,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107542201] [2023-11-06 22:07:00,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:00,271 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:00,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:00,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:07:00,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:07:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:00,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:07:00,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:00,826 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:07:00,827 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:07:00,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107542201] [2023-11-06 22:07:00,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107542201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:00,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:00,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:07:00,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536496701] [2023-11-06 22:07:00,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:00,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:07:00,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:07:00,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:07:00,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:07:00,867 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:01,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:01,089 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 22:07:01,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:07:01,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2023-11-06 22:07:01,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:01,099 INFO L225 Difference]: With dead ends: 19 [2023-11-06 22:07:01,099 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 22:07:01,102 INFO L412 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 [2023-11-06 22:07:01,106 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:01,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:07:01,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 22:07:01,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 22:07:01,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:01,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 22:07:01,137 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 22:07:01,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:01,138 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 22:07:01,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:01,138 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 22:07:01,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:07:01,139 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:01,139 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:01,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:01,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:01,351 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:01,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:01,352 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 22:07:01,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:01,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021666786] [2023-11-06 22:07:01,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:01,356 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:01,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:01,358 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:07:01,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:07:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:02,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:07:02,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:03,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:03,028 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:07:03,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:03,381 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:07:03,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021666786] [2023-11-06 22:07:03,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021666786] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:07:03,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:07:03,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 22:07:03,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886441387] [2023-11-06 22:07:03,388 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:07:03,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:07:03,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:07:03,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:07:03,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:07:03,392 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:03,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:03,761 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 22:07:03,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:07:03,762 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 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 8 [2023-11-06 22:07:03,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:03,763 INFO L225 Difference]: With dead ends: 15 [2023-11-06 22:07:03,763 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 22:07:03,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:07:03,765 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:03,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 17 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:07:03,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 22:07:03,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-06 22:07:03,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:03,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-06 22:07:03,774 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-06 22:07:03,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:03,775 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-06 22:07:03,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:03,776 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-06 22:07:03,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:07:03,777 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:03,777 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-06 22:07:03,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:07:03,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:03,978 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:03,978 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:03,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-06 22:07:03,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:03,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454610693] [2023-11-06 22:07:03,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:07:03,983 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:03,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:03,984 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:07:03,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:07:07,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:07:07,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:07:07,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 1788 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-06 22:07:07,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:08,022 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:08,023 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:07:11,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:11,786 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:07:11,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [454610693] [2023-11-06 22:07:11,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [454610693] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:07:11,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:07:11,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-06 22:07:11,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450570861] [2023-11-06 22:07:11,791 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:07:11,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:07:11,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:07:11,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:07:11,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:07:11,796 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:12,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:12,602 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-11-06 22:07:12,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:07:12,605 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 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 11 [2023-11-06 22:07:12,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:12,606 INFO L225 Difference]: With dead ends: 18 [2023-11-06 22:07:12,606 INFO L226 Difference]: Without dead ends: 16 [2023-11-06 22:07:12,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:07:12,607 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 5 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:12,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 25 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:07:12,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-06 22:07:12,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-06 22:07:12,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:12,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-06 22:07:12,614 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2023-11-06 22:07:12,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:12,614 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-06 22:07:12,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:12,614 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-06 22:07:12,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:07:12,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:12,615 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2023-11-06 22:07:12,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-06 22:07:12,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:12,837 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:07:12,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:12,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2023-11-06 22:07:12,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:07:12,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036034226] [2023-11-06 22:07:12,841 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:07:12,841 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:07:12,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:07:12,842 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:07:12,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b105d03-cad7-4436-a971-23856d401971/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 22:07:14,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-06 22:07:14,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:07:14,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 1788 conjuncts, 151 conjunts are in the unsatisfiable core [2023-11-06 22:07:15,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:07:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:07:44,728 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:08:51,097 WARN L293 SmtUtils]: Spent 13.54s on a formula simplification that was a NOOP. DAG size: 1289 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)