./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.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_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 52bb3902ccaac92ca995ec60bcedc54784c82a6cab90a6a11e201a4e0de664cb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:53:25,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:53:25,705 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:53:25,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:53:25,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:53:25,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:53:25,765 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:53:25,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:53:25,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:53:25,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:53:25,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:53:25,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:53:25,777 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:53:25,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:53:25,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:53:25,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:53:25,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:53:25,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:53:25,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:53:25,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:53:25,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:53:25,783 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:53:25,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:53:25,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:53:25,785 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:53:25,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:25,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:53:25,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:53:25,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:53:25,787 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:53:25,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:53:25,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:53:25,789 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:53:25,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:53:25,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:53:25,789 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:53:25,789 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_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52bb3902ccaac92ca995ec60bcedc54784c82a6cab90a6a11e201a4e0de664cb [2023-11-06 22:53:26,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:53:26,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:53:26,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:53:26,204 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:53:26,205 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:53:26,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c [2023-11-06 22:53:29,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:53:29,805 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:53:29,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c [2023-11-06 22:53:29,826 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/data/fe9103985/757b767c46c446ae895c227945453f26/FLAGfdbb71bc4 [2023-11-06 22:53:29,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/data/fe9103985/757b767c46c446ae895c227945453f26 [2023-11-06 22:53:29,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:53:29,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:53:29,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:29,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:53:29,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:53:29,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:29" (1/1) ... [2023-11-06 22:53:29,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ed9eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:29, skipping insertion in model container [2023-11-06 22:53:29,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:29" (1/1) ... [2023-11-06 22:53:29,959 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:53:30,196 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_3d58cf24-0277-408b-a896-6f6b2dbe9e42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c[1259,1272] [2023-11-06 22:53:30,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:30,502 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:53:30,517 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_3d58cf24-0277-408b-a896-6f6b2dbe9e42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c[1259,1272] [2023-11-06 22:53:30,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:30,759 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:53:30,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:30 WrapperNode [2023-11-06 22:53:30,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:30,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:30,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:53:30,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:53:30,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:30" (1/1) ... [2023-11-06 22:53:30,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:30" (1/1) ... [2023-11-06 22:53:31,185 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2419 [2023-11-06 22:53:31,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:31,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:53:31,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:53:31,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:53:31,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:30" (1/1) ... [2023-11-06 22:53:31,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:30" (1/1) ... [2023-11-06 22:53:31,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:30" (1/1) ... [2023-11-06 22:53:31,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:30" (1/1) ... [2023-11-06 22:53:31,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:30" (1/1) ... [2023-11-06 22:53:31,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:30" (1/1) ... [2023-11-06 22:53:31,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:30" (1/1) ... [2023-11-06 22:53:31,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:30" (1/1) ... [2023-11-06 22:53:31,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:53:31,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:53:31,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:53:31,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:53:31,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:30" (1/1) ... [2023-11-06 22:53:31,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:31,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:31,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:53:31,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:53:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:53:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:53:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:53:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:53:31,927 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:53:31,929 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:53:34,395 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:53:34,414 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:53:34,414 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:53:34,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:34 BoogieIcfgContainer [2023-11-06 22:53:34,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:53:34,423 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:53:34,423 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:53:34,427 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:53:34,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:53:29" (1/3) ... [2023-11-06 22:53:34,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8fa36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:34, skipping insertion in model container [2023-11-06 22:53:34,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:30" (2/3) ... [2023-11-06 22:53:34,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8fa36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:34, skipping insertion in model container [2023-11-06 22:53:34,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:34" (3/3) ... [2023-11-06 22:53:34,433 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p15.c [2023-11-06 22:53:34,454 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:53:34,454 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:53:34,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:53:34,551 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;@62934693, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:53:34,551 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:53:34,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 411 states, 409 states have (on average 1.662591687041565) internal successors, (680), 410 states have internal predecessors, (680), 0 states have call successors, (0), 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 22:53:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-06 22:53:34,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:34,571 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 22:53:34,571 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:34,577 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:34,578 INFO L85 PathProgramCache]: Analyzing trace with hash -764768305, now seen corresponding path program 1 times [2023-11-06 22:53:34,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:34,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860196081] [2023-11-06 22:53:34,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:34,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:35,606 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 22:53:35,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:35,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860196081] [2023-11-06 22:53:35,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860196081] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:35,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:35,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:53:35,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431630375] [2023-11-06 22:53:35,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:35,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:53:35,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:35,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:53:35,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:53:35,667 INFO L87 Difference]: Start difference. First operand has 411 states, 409 states have (on average 1.662591687041565) internal successors, (680), 410 states have internal predecessors, (680), 0 states have call successors, (0), 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 22:53:35,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:35,799 INFO L93 Difference]: Finished difference Result 779 states and 1293 transitions. [2023-11-06 22:53:35,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:53:35,802 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 22:53:35,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:35,818 INFO L225 Difference]: With dead ends: 779 [2023-11-06 22:53:35,818 INFO L226 Difference]: Without dead ends: 409 [2023-11-06 22:53:35,823 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 22:53:35,826 INFO L413 NwaCegarLoop]: 672 mSDtfsCounter, 1 mSDsluCounter, 1338 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2010 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 22:53:35,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2010 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:35,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2023-11-06 22:53:35,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2023-11-06 22:53:35,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 408 states have (on average 1.6568627450980393) internal successors, (676), 408 states have internal predecessors, (676), 0 states have call successors, (0), 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 22:53:35,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 676 transitions. [2023-11-06 22:53:35,898 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 676 transitions. Word has length 45 [2023-11-06 22:53:35,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:35,899 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 676 transitions. [2023-11-06 22:53:35,899 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 22:53:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 676 transitions. [2023-11-06 22:53:35,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:53:35,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:35,902 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 22:53:35,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:53:35,902 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:35,903 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:35,903 INFO L85 PathProgramCache]: Analyzing trace with hash 2063711509, now seen corresponding path program 1 times [2023-11-06 22:53:35,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:35,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059702484] [2023-11-06 22:53:35,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:35,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:36,099 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 22:53:36,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:36,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059702484] [2023-11-06 22:53:36,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059702484] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:36,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:36,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:53:36,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233890195] [2023-11-06 22:53:36,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:36,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:53:36,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:36,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:53:36,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:53:36,103 INFO L87 Difference]: Start difference. First operand 409 states and 676 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 22:53:36,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:36,162 INFO L93 Difference]: Finished difference Result 780 states and 1289 transitions. [2023-11-06 22:53:36,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:53:36,163 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 22:53:36,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:36,166 INFO L225 Difference]: With dead ends: 780 [2023-11-06 22:53:36,166 INFO L226 Difference]: Without dead ends: 412 [2023-11-06 22:53:36,169 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 22:53:36,170 INFO L413 NwaCegarLoop]: 672 mSDtfsCounter, 1 mSDsluCounter, 1335 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2007 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 22:53:36,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2007 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:36,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-06 22:53:36,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 411. [2023-11-06 22:53:36,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.6536585365853658) internal successors, (678), 410 states have internal predecessors, (678), 0 states have call successors, (0), 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 22:53:36,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 678 transitions. [2023-11-06 22:53:36,192 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 678 transitions. Word has length 46 [2023-11-06 22:53:36,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:36,193 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 678 transitions. [2023-11-06 22:53:36,193 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 22:53:36,194 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 678 transitions. [2023-11-06 22:53:36,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-06 22:53:36,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:36,196 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 22:53:36,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:53:36,196 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:36,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:36,197 INFO L85 PathProgramCache]: Analyzing trace with hash -659884887, now seen corresponding path program 1 times [2023-11-06 22:53:36,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:36,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607432702] [2023-11-06 22:53:36,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:36,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:36,847 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 22:53:36,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:36,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607432702] [2023-11-06 22:53:36,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607432702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:36,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:36,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:53:36,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301144858] [2023-11-06 22:53:36,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:36,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:53:36,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:36,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:53:36,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:53:36,853 INFO L87 Difference]: Start difference. First operand 411 states and 678 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 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 22:53:36,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:36,997 INFO L93 Difference]: Finished difference Result 1153 states and 1902 transitions. [2023-11-06 22:53:36,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:53:36,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 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 22:53:36,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:37,005 INFO L225 Difference]: With dead ends: 1153 [2023-11-06 22:53:37,005 INFO L226 Difference]: Without dead ends: 783 [2023-11-06 22:53:37,012 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 22:53:37,020 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 605 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 2041 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:37,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 2041 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:53:37,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2023-11-06 22:53:37,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 413. [2023-11-06 22:53:37,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.6504854368932038) internal successors, (680), 412 states have internal predecessors, (680), 0 states have call successors, (0), 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 22:53:37,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 680 transitions. [2023-11-06 22:53:37,056 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 680 transitions. Word has length 47 [2023-11-06 22:53:37,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:37,057 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 680 transitions. [2023-11-06 22:53:37,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 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 22:53:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 680 transitions. [2023-11-06 22:53:37,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-06 22:53:37,071 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:37,071 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 22:53:37,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:53:37,072 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:37,072 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:37,073 INFO L85 PathProgramCache]: Analyzing trace with hash -2069682311, now seen corresponding path program 1 times [2023-11-06 22:53:37,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:37,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846900161] [2023-11-06 22:53:37,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:37,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:37,827 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 22:53:37,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:37,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846900161] [2023-11-06 22:53:37,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846900161] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:37,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:37,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:53:37,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523402325] [2023-11-06 22:53:37,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:37,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:53:37,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:37,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:53:37,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:53:37,832 INFO L87 Difference]: Start difference. First operand 413 states and 680 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 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 22:53:38,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:38,403 INFO L93 Difference]: Finished difference Result 1524 states and 2513 transitions. [2023-11-06 22:53:38,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:53:38,404 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 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 22:53:38,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:38,412 INFO L225 Difference]: With dead ends: 1524 [2023-11-06 22:53:38,412 INFO L226 Difference]: Without dead ends: 1152 [2023-11-06 22:53:38,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:53:38,415 INFO L413 NwaCegarLoop]: 1276 mSDtfsCounter, 2456 mSDsluCounter, 4457 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2456 SdHoareTripleChecker+Valid, 5733 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:38,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2456 Valid, 5733 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:53:38,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2023-11-06 22:53:38,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 417. [2023-11-06 22:53:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 416 states have (on average 1.6490384615384615) internal successors, (686), 416 states have internal predecessors, (686), 0 states have call successors, (0), 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 22:53:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 686 transitions. [2023-11-06 22:53:38,436 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 686 transitions. Word has length 48 [2023-11-06 22:53:38,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:38,437 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 686 transitions. [2023-11-06 22:53:38,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 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 22:53:38,438 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 686 transitions. [2023-11-06 22:53:38,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-06 22:53:38,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:38,440 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 22:53:38,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:53:38,440 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:38,442 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:38,442 INFO L85 PathProgramCache]: Analyzing trace with hash -294674949, now seen corresponding path program 1 times [2023-11-06 22:53:38,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:38,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743282886] [2023-11-06 22:53:38,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:38,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:53:38,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:53:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:53:38,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:53:38,687 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:53:38,689 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:53:38,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:53:38,694 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 22:53:38,698 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:53:38,792 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 22:53:38,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:53:38 BoogieIcfgContainer [2023-11-06 22:53:38,828 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:53:38,830 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:53:38,830 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:53:38,830 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:53:38,831 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:34" (3/4) ... [2023-11-06 22:53:38,834 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:53:38,835 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:53:38,836 INFO L158 Benchmark]: Toolchain (without parser) took 8976.49ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 109.9MB in the beginning and 239.3MB in the end (delta: -129.4MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2023-11-06 22:53:38,837 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 109.1MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:53:38,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 898.68ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 65.3MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-06 22:53:38,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 424.62ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 65.3MB in the beginning and 102.5MB in the end (delta: -37.2MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2023-11-06 22:53:38,840 INFO L158 Benchmark]: Boogie Preprocessor took 276.91ms. Allocated memory is still 176.2MB. Free memory was 102.5MB in the beginning and 84.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:53:38,841 INFO L158 Benchmark]: RCFGBuilder took 2954.19ms. Allocated memory was 176.2MB in the beginning and 260.0MB in the end (delta: 83.9MB). Free memory was 84.7MB in the beginning and 170.9MB in the end (delta: -86.2MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2023-11-06 22:53:38,841 INFO L158 Benchmark]: TraceAbstraction took 4405.49ms. Allocated memory was 260.0MB in the beginning and 343.9MB in the end (delta: 83.9MB). Free memory was 169.9MB in the beginning and 239.3MB in the end (delta: -69.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-06 22:53:38,842 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 343.9MB. Free memory is still 239.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:53:38,846 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 109.1MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 898.68ms. Allocated memory is still 142.6MB. Free memory was 109.3MB in the beginning and 65.3MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 424.62ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 65.3MB in the beginning and 102.5MB in the end (delta: -37.2MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 276.91ms. Allocated memory is still 176.2MB. Free memory was 102.5MB in the beginning and 84.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2954.19ms. Allocated memory was 176.2MB in the beginning and 260.0MB in the end (delta: 83.9MB). Free memory was 84.7MB in the beginning and 170.9MB in the end (delta: -86.2MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4405.49ms. Allocated memory was 260.0MB in the beginning and 343.9MB in the end (delta: 83.9MB). Free memory was 169.9MB in the beginning and 239.3MB in the end (delta: -69.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 343.9MB. Free memory is still 239.3MB. There was no memory consumed. 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 175, overapproximation of bitwiseAnd at line 180. 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_20 mask_SORT_20 = (SORT_20)-1 >> (sizeof(SORT_20) * 8 - 2); [L39] const SORT_20 msb_SORT_20 = (SORT_20)1 << (2 - 1); [L41] const SORT_85 mask_SORT_85 = (SORT_85)-1 >> (sizeof(SORT_85) * 8 - 4); [L42] const SORT_85 msb_SORT_85 = (SORT_85)1 << (4 - 1); [L44] const SORT_150 mask_SORT_150 = (SORT_150)-1 >> (sizeof(SORT_150) * 8 - 32); [L45] const SORT_150 msb_SORT_150 = (SORT_150)1 << (32 - 1); [L47] const SORT_7 var_8 = 0; [L48] const SORT_7 var_11 = 4; [L49] const SORT_5 var_13 = 0; [L50] const SORT_7 var_17 = 2; [L51] const SORT_20 var_22 = 0; [L52] const SORT_3 var_26 = 0; [L53] const SORT_1 var_35 = 1; [L54] const SORT_1 var_43 = 0; [L55] const SORT_7 var_60 = 1; [L56] const SORT_7 var_66 = 5; [L57] const SORT_7 var_70 = 3; [L58] const SORT_7 var_102 = 7; [L59] const SORT_7 var_107 = 6; [L60] const SORT_150 var_152 = 0; [L61] const SORT_3 var_167 = 2; [L62] const SORT_3 var_184 = 31; [L64] SORT_1 input_2; [L65] SORT_3 input_4; [L66] SORT_5 input_6; [L67] SORT_3 input_173; [L68] SORT_3 input_174; [L69] SORT_3 input_175; [L70] SORT_3 input_183; [L71] SORT_3 input_193; [L72] SORT_3 input_194; [L73] SORT_3 input_195; [L74] SORT_3 input_198; [L75] SORT_3 input_217; [L76] SORT_3 input_218; [L77] SORT_3 input_219; [L78] SORT_3 input_222; [L79] SORT_3 input_224; [L80] SORT_20 input_238; [L81] SORT_20 input_239; [L82] SORT_20 input_240; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 VAL [__VERIFIER_nondet_uchar() & mask_SORT_7=0, __VERIFIER_nondet_uchar()=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L84] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L85] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 VAL [__VERIFIER_nondet_ushort() & mask_SORT_5=0, __VERIFIER_nondet_ushort()=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_9=0, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L85] SORT_5 state_14 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_9=0, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L86] SORT_3 state_27 = __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_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_9=0, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L87] SORT_3 state_29 = __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_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_9=0, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L88] SORT_3 state_39 = __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_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_9=0, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L89] SORT_3 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_9=0, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L90] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_9=0, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L91] SORT_3 state_46 = __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_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_9=0, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L92] SORT_3 state_48 = __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_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_9=0, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L93] SORT_3 state_50 = __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_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_9=0, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L94] SORT_3 state_52 = __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_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_9=0, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L95] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_9=0, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L96] SORT_3 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L98] SORT_7 init_10_arg_1 = var_8; [L99] state_9 = init_10_arg_1 [L100] SORT_5 init_15_arg_1 = var_13; [L101] state_14 = init_15_arg_1 [L102] SORT_3 init_28_arg_1 = var_26; [L103] state_27 = init_28_arg_1 [L104] SORT_3 init_30_arg_1 = var_26; [L105] state_29 = init_30_arg_1 [L106] SORT_3 init_40_arg_1 = var_26; [L107] state_39 = init_40_arg_1 [L108] SORT_3 init_42_arg_1 = var_26; [L109] state_41 = init_42_arg_1 [L110] SORT_1 init_45_arg_1 = var_43; [L111] state_44 = init_45_arg_1 [L112] SORT_3 init_47_arg_1 = var_26; [L113] state_46 = init_47_arg_1 [L114] SORT_3 init_49_arg_1 = var_26; [L115] state_48 = init_49_arg_1 [L116] SORT_3 init_51_arg_1 = var_26; [L117] state_50 = init_51_arg_1 [L118] SORT_3 init_53_arg_1 = var_26; [L119] state_52 = init_53_arg_1 [L120] SORT_3 init_55_arg_1 = var_26; [L121] state_54 = init_55_arg_1 [L122] SORT_3 init_57_arg_1 = var_26; [L123] state_56 = init_57_arg_1 VAL [init_10_arg_1=0, init_15_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L126] input_2 = __VERIFIER_nondet_uchar() [L127] input_4 = __VERIFIER_nondet_uchar() [L128] input_6 = __VERIFIER_nondet_ushort() [L129] input_173 = __VERIFIER_nondet_uchar() [L130] input_174 = __VERIFIER_nondet_uchar() [L131] input_175 = __VERIFIER_nondet_uchar() [L132] input_183 = __VERIFIER_nondet_uchar() [L133] input_193 = __VERIFIER_nondet_uchar() [L134] input_194 = __VERIFIER_nondet_uchar() [L135] input_195 = __VERIFIER_nondet_uchar() [L136] input_198 = __VERIFIER_nondet_uchar() [L137] input_217 = __VERIFIER_nondet_uchar() [L138] input_218 = __VERIFIER_nondet_uchar() [L139] input_219 = __VERIFIER_nondet_uchar() [L140] input_222 = __VERIFIER_nondet_uchar() [L141] input_224 = __VERIFIER_nondet_uchar() [L142] input_238 = __VERIFIER_nondet_uchar() [L143] input_239 = __VERIFIER_nondet_uchar() [L144] input_240 = __VERIFIER_nondet_uchar() [L147] SORT_7 var_12_arg_0 = state_9; [L148] SORT_7 var_12_arg_1 = var_11; [L149] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L150] SORT_5 var_16_arg_0 = state_14; [L151] SORT_7 var_16 = var_16_arg_0 >> 9; VAL [init_10_arg_1=0, init_15_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_12_arg_0=0, var_12_arg_1=4, var_13=0, var_152=0, var_167=2, var_16=0, var_16_arg_0=0, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L152] EXPR var_16 & mask_SORT_7 VAL [init_10_arg_1=0, init_15_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_12_arg_0=0, var_12_arg_1=4, var_13=0, var_152=0, var_16 & mask_SORT_7=0, var_167=2, var_16=0, var_16_arg_0=0, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L152] var_16 = var_16 & mask_SORT_7 [L153] SORT_7 var_18_arg_0 = var_16; [L154] SORT_7 var_18_arg_1 = var_17; [L155] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L156] SORT_1 var_19_arg_0 = var_12; [L157] SORT_1 var_19_arg_1 = var_18; VAL [init_10_arg_1=0, init_15_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_12_arg_0=0, var_12_arg_1=4, var_13=0, var_152=0, var_167=2, var_16=0, var_16_arg_0=0, var_17=2, var_184=31, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L158] EXPR var_19_arg_0 & var_19_arg_1 VAL [init_10_arg_1=0, init_15_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_12_arg_0=0, var_12_arg_1=4, var_13=0, var_152=0, var_167=2, var_16=0, var_16_arg_0=0, var_17=2, var_184=31, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19_arg_0 & var_19_arg_1=0, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L158] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L159] SORT_5 var_21_arg_0 = state_14; [L160] SORT_20 var_21 = var_21_arg_0 >> 7; VAL [init_10_arg_1=0, init_15_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_12_arg_0=0, var_12_arg_1=4, var_13=0, var_152=0, var_167=2, var_16=0, var_16_arg_0=0, var_17=2, var_184=31, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_21=0, var_21_arg_0=0, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L161] EXPR var_21 & mask_SORT_20 VAL [init_10_arg_1=0, init_15_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_12_arg_0=0, var_12_arg_1=4, var_13=0, var_152=0, var_167=2, var_16=0, var_16_arg_0=0, var_17=2, var_184=31, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_21 & mask_SORT_20=0, var_21=0, var_21_arg_0=0, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L161] var_21 = var_21 & mask_SORT_20 [L162] SORT_20 var_23_arg_0 = var_21; [L163] SORT_20 var_23_arg_1 = var_22; [L164] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L165] SORT_1 var_24_arg_0 = var_19; [L166] SORT_1 var_24_arg_1 = var_23; VAL [init_10_arg_1=0, init_15_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_12_arg_0=0, var_12_arg_1=4, var_13=0, var_152=0, var_167=2, var_16=0, var_16_arg_0=0, var_17=2, var_184=31, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_21=0, var_21_arg_0=0, var_22=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24_arg_0=0, var_24_arg_1=1, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L167] EXPR var_24_arg_0 & var_24_arg_1 VAL [init_10_arg_1=0, init_15_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_12_arg_0=0, var_12_arg_1=4, var_13=0, var_152=0, var_167=2, var_16=0, var_16_arg_0=0, var_17=2, var_184=31, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_21=0, var_21_arg_0=0, var_22=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24_arg_0 & var_24_arg_1=0, var_24_arg_0=0, var_24_arg_1=1, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L167] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L168] SORT_1 var_25_arg_0 = var_24; [L169] SORT_1 var_25 = ~var_25_arg_0; [L170] SORT_3 var_31_arg_0 = state_27; [L171] SORT_3 var_31_arg_1 = state_29; [L172] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L173] SORT_1 var_32_arg_0 = var_25; [L174] SORT_1 var_32_arg_1 = var_31; VAL [init_10_arg_1=0, init_15_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_12_arg_0=0, var_12_arg_1=4, var_13=0, var_152=0, var_167=2, var_16=0, var_16_arg_0=0, var_17=2, var_184=31, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_21=0, var_21_arg_0=0, var_22=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_24_arg_0=0, var_24_arg_1=1, var_25=255, var_25_arg_0=0, var_26=0, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32_arg_0=255, var_32_arg_1=1, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L175] EXPR var_32_arg_0 | var_32_arg_1 VAL [init_10_arg_1=0, init_15_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_12_arg_0=0, var_12_arg_1=4, var_13=0, var_152=0, var_167=2, var_16=0, var_16_arg_0=0, var_17=2, var_184=31, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_21=0, var_21_arg_0=0, var_22=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_24_arg_0=0, var_24_arg_1=1, var_25=255, var_25_arg_0=0, var_26=0, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32_arg_0 | var_32_arg_1=256, var_32_arg_0=255, var_32_arg_1=1, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L175] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L176] SORT_1 var_36_arg_0 = var_32; [L177] SORT_1 var_36 = ~var_36_arg_0; [L178] SORT_1 var_37_arg_0 = var_35; [L179] SORT_1 var_37_arg_1 = var_36; VAL [init_10_arg_1=0, init_15_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_12_arg_0=0, var_12_arg_1=4, var_13=0, var_152=0, var_167=2, var_16=0, var_16_arg_0=0, var_17=2, var_184=31, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_21=0, var_21_arg_0=0, var_22=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_24_arg_0=0, var_24_arg_1=1, var_25=255, var_25_arg_0=0, var_26=0, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=255, var_32_arg_1=1, var_35=1, var_36=255, var_36_arg_0=0, var_37_arg_0=1, var_37_arg_1=255, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L180] EXPR var_37_arg_0 & var_37_arg_1 VAL [init_10_arg_1=0, init_15_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_12_arg_0=0, var_12_arg_1=4, var_13=0, var_152=0, var_167=2, var_16=0, var_16_arg_0=0, var_17=2, var_184=31, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_21=0, var_21_arg_0=0, var_22=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_24_arg_0=0, var_24_arg_1=1, var_25=255, var_25_arg_0=0, var_26=0, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=255, var_32_arg_1=1, var_35=1, var_36=255, var_36_arg_0=0, var_37_arg_0 & var_37_arg_1=1, var_37_arg_0=1, var_37_arg_1=255, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L180] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L181] EXPR var_37 & mask_SORT_1 VAL [init_10_arg_1=0, init_15_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, mask_SORT_150=4294967295, mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, msb_SORT_150=2147483648, msb_SORT_1=1, msb_SORT_20=2, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_85=8, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_12_arg_0=0, var_12_arg_1=4, var_13=0, var_152=0, var_167=2, var_16=0, var_16_arg_0=0, var_17=2, var_184=31, var_18=0, var_18_arg_0=0, var_18_arg_1=2, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_21=0, var_21_arg_0=0, var_22=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_24_arg_0=0, var_24_arg_1=1, var_25=255, var_25_arg_0=0, var_26=0, var_31=1, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=255, var_32_arg_1=1, var_35=1, var_36=255, var_36_arg_0=0, var_37 & mask_SORT_1=1, var_37=1, var_37_arg_0=1, var_37_arg_1=255, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L181] var_37 = var_37 & mask_SORT_1 [L182] SORT_1 bad_38_arg_0 = var_37; [L183] CALL __VERIFIER_assert(!(bad_38_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, 411 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3063 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3063 mSDsluCounter, 11791 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8481 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 3310 mSDtfsCounter, 168 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=417occurred in iteration=4, InterpolantAutomatonStates: 27, 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, 1106 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 375 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 22:53:38,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 52bb3902ccaac92ca995ec60bcedc54784c82a6cab90a6a11e201a4e0de664cb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:53:41,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:53:42,014 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 22:53:42,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:53:42,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:53:42,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:53:42,075 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:53:42,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:53:42,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:53:42,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:53:42,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:53:42,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:53:42,085 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:53:42,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:53:42,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:53:42,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:53:42,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:53:42,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:53:42,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:53:42,092 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:53:42,093 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:53:42,093 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:53:42,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:53:42,094 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:53:42,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:53:42,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:53:42,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:53:42,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:42,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:53:42,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:53:42,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:53:42,100 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:53:42,100 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:53:42,101 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:53:42,101 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:53:42,101 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:53:42,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:53:42,102 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:53:42,102 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:53:42,103 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_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52bb3902ccaac92ca995ec60bcedc54784c82a6cab90a6a11e201a4e0de664cb [2023-11-06 22:53:42,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:53:42,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:53:42,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:53:42,638 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:53:42,638 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:53:42,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c [2023-11-06 22:53:46,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:53:46,493 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:53:46,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c [2023-11-06 22:53:46,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/data/301b4c2c0/cfb3b425176644d198d4fdb562b6b98a/FLAGc2d35230a [2023-11-06 22:53:46,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/data/301b4c2c0/cfb3b425176644d198d4fdb562b6b98a [2023-11-06 22:53:46,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:53:46,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:53:46,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:46,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:53:46,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:53:46,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:46" (1/1) ... [2023-11-06 22:53:46,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713ca8d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:46, skipping insertion in model container [2023-11-06 22:53:46,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:46" (1/1) ... [2023-11-06 22:53:46,610 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:53:46,803 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_3d58cf24-0277-408b-a896-6f6b2dbe9e42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c[1259,1272] [2023-11-06 22:53:47,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:47,090 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:53:47,106 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_3d58cf24-0277-408b-a896-6f6b2dbe9e42/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c[1259,1272] [2023-11-06 22:53:47,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:47,283 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:53:47,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:47 WrapperNode [2023-11-06 22:53:47,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:47,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:47,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:53:47,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:53:47,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:47" (1/1) ... [2023-11-06 22:53:47,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:47" (1/1) ... [2023-11-06 22:53:47,495 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1085 [2023-11-06 22:53:47,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:47,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:53:47,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:53:47,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:53:47,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:47" (1/1) ... [2023-11-06 22:53:47,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:47" (1/1) ... [2023-11-06 22:53:47,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:47" (1/1) ... [2023-11-06 22:53:47,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:47" (1/1) ... [2023-11-06 22:53:47,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:47" (1/1) ... [2023-11-06 22:53:47,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:47" (1/1) ... [2023-11-06 22:53:47,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:47" (1/1) ... [2023-11-06 22:53:47,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:47" (1/1) ... [2023-11-06 22:53:47,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:53:47,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:53:47,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:53:47,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:53:47,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:47" (1/1) ... [2023-11-06 22:53:47,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:47,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:47,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:53:47,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:53:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:53:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:53:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:53:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:53:48,063 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:53:48,065 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:53:49,801 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:53:49,812 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:53:49,813 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:53:49,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:49 BoogieIcfgContainer [2023-11-06 22:53:49,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:53:49,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:53:49,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:53:49,824 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:53:49,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:53:46" (1/3) ... [2023-11-06 22:53:49,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ff6d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:49, skipping insertion in model container [2023-11-06 22:53:49,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:47" (2/3) ... [2023-11-06 22:53:49,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ff6d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:49, skipping insertion in model container [2023-11-06 22:53:49,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:49" (3/3) ... [2023-11-06 22:53:49,833 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p15.c [2023-11-06 22:53:49,856 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:53:49,857 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:53:49,931 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:53:49,943 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;@7366a5f8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:53:49,944 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:53:49,950 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 22:53:49,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 22:53:49,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:49,960 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:53:49,961 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:49,972 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:49,973 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 22:53:49,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:53:49,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [246337687] [2023-11-06 22:53:49,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:49,989 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 22:53:49,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:53:49,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 22:53:49,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 22:53:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:50,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-06 22:53:50,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:50,762 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 22:53:50,763 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:53:50,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:53:50,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [246337687] [2023-11-06 22:53:50,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [246337687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:50,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:50,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:53:50,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857214555] [2023-11-06 22:53:50,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:50,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:53:50,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:53:50,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:53:50,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:53:50,838 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 22:53:51,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:51,090 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 22:53:51,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:53:51,094 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 22:53:51,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:51,105 INFO L225 Difference]: With dead ends: 19 [2023-11-06 22:53:51,105 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 22:53:51,109 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 22:53:51,116 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 22:53:51,119 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 22:53:51,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 22:53:51,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 22:53:51,157 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 22:53:51,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 22:53:51,160 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 22:53:51,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:51,161 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 22:53:51,162 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 22:53:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 22:53:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:53:51,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:51,163 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:51,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 22:53:51,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 22:53:51,376 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:51,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:51,376 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 22:53:51,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:53:51,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67989508] [2023-11-06 22:53:51,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:51,380 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 22:53:51,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:53:51,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 22:53:51,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 22:53:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:53,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-06 22:53:53,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:53,489 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 22:53:53,490 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:53:54,807 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 22:53:54,808 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:53:54,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67989508] [2023-11-06 22:53:54,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67989508] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:53:54,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:53:54,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 22:53:54,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740439696] [2023-11-06 22:53:54,810 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:53:54,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:53:54,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:53:54,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:53:54,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:53:54,813 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 22:53:55,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:55,222 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 22:53:55,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:55,223 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 22:53:55,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:55,224 INFO L225 Difference]: With dead ends: 15 [2023-11-06 22:53:55,224 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 22:53:55,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:53:55,226 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, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:55,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 17 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:53:55,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 22:53:55,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-06 22:53:55,232 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 22:53:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-06 22:53:55,233 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-06 22:53:55,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:55,233 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-06 22:53:55,234 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 22:53:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-06 22:53:55,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:53:55,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:55,235 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-06 22:53:55,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 22:53:55,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 22:53:55,460 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:55,461 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:55,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-06 22:53:55,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:53:55,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1414573420] [2023-11-06 22:53:55,466 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:53:55,466 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 22:53:55,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:53:55,468 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 22:53:55,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 22:53:59,958 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:53:59,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:54:00,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 1777 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-06 22:54:00,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:00,405 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 22:54:00,405 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:54:01,290 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 22:54:01,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:54:01,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1414573420] [2023-11-06 22:54:01,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1414573420] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:54:01,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:54:01,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-06 22:54:01,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168840570] [2023-11-06 22:54:01,292 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:54:01,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:54:01,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:54:01,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:54:01,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:54:01,295 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 22:54:02,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:02,367 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2023-11-06 22:54:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:54:02,368 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 22:54:02,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:02,369 INFO L225 Difference]: With dead ends: 21 [2023-11-06 22:54:02,369 INFO L226 Difference]: Without dead ends: 19 [2023-11-06 22:54:02,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:54:02,371 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:02,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 26 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:54:02,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-06 22:54:02,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2023-11-06 22:54:02,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 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 22:54:02,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2023-11-06 22:54:02,378 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 11 [2023-11-06 22:54:02,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:02,378 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2023-11-06 22:54:02,379 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 22:54:02,379 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2023-11-06 22:54:02,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 22:54:02,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:02,380 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2023-11-06 22:54:02,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:02,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 22:54:02,594 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:02,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:02,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1250702327, now seen corresponding path program 3 times [2023-11-06 22:54:02,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:54:02,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319582966] [2023-11-06 22:54:02,597 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:54:02,597 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 22:54:02,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:54:02,599 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 22:54:02,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d58cf24-0277-408b-a896-6f6b2dbe9e42/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 22:54:14,617 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-11-06 22:54:14,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:54:14,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 3449 conjuncts, 347 conjunts are in the unsatisfiable core [2023-11-06 22:54:14,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:42,070 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:42,071 INFO L327 TraceCheckSpWp]: Computing backward predicates...