./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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_e2431327-a286-443a-84aa-8c6d4113f579/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 278b4de367ce9a5d90b72b56db7b4bfd32cdd3486043ecd2959c1028ac507b6e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:45:35,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:45:35,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:45:35,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:45:35,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:45:35,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:45:35,331 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:45:35,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:45:35,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:45:35,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:45:35,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:45:35,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:45:35,335 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:45:35,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:45:35,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:45:35,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:45:35,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:45:35,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:45:35,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:45:35,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:45:35,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:45:35,340 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:45:35,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:45:35,341 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:45:35,341 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:45:35,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:45:35,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:45:35,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:45:35,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:45:35,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:45:35,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:45:35,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:45:35,344 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:45:35,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:45:35,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:45:35,345 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:45:35,345 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_e2431327-a286-443a-84aa-8c6d4113f579/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 278b4de367ce9a5d90b72b56db7b4bfd32cdd3486043ecd2959c1028ac507b6e [2023-11-06 22:45:35,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:45:35,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:45:35,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:45:35,688 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:45:35,689 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:45:35,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2023-11-06 22:45:38,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:45:39,061 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:45:39,061 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2023-11-06 22:45:39,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/data/a8de98d43/9ff2b42d43e447aa9e1826ded9c7a446/FLAG7953edd99 [2023-11-06 22:45:39,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/data/a8de98d43/9ff2b42d43e447aa9e1826ded9c7a446 [2023-11-06 22:45:39,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:45:39,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:45:39,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:45:39,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:45:39,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:45:39,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:39" (1/1) ... [2023-11-06 22:45:39,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615377d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:39, skipping insertion in model container [2023-11-06 22:45:39,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:45:39" (1/1) ... [2023-11-06 22:45:39,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:45:39,296 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_e2431327-a286-443a-84aa-8c6d4113f579/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1245,1258] [2023-11-06 22:45:39,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:45:39,366 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:45:39,377 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_e2431327-a286-443a-84aa-8c6d4113f579/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1245,1258] [2023-11-06 22:45:39,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:45:39,420 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:45:39,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:39 WrapperNode [2023-11-06 22:45:39,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:45:39,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:45:39,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:45:39,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:45:39,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:39" (1/1) ... [2023-11-06 22:45:39,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:39" (1/1) ... [2023-11-06 22:45:39,491 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 236 [2023-11-06 22:45:39,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:45:39,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:45:39,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:45:39,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:45:39,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:39" (1/1) ... [2023-11-06 22:45:39,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:39" (1/1) ... [2023-11-06 22:45:39,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:39" (1/1) ... [2023-11-06 22:45:39,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:39" (1/1) ... [2023-11-06 22:45:39,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:39" (1/1) ... [2023-11-06 22:45:39,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:39" (1/1) ... [2023-11-06 22:45:39,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:39" (1/1) ... [2023-11-06 22:45:39,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:39" (1/1) ... [2023-11-06 22:45:39,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:45:39,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:45:39,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:45:39,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:45:39,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:39" (1/1) ... [2023-11-06 22:45:39,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:45:39,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:39,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:45:39,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:45:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:45:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:45:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:45:39,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:45:39,772 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:45:39,774 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:45:40,255 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:45:40,261 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:45:40,261 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:45:40,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:40 BoogieIcfgContainer [2023-11-06 22:45:40,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:45:40,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:45:40,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:45:40,283 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:45:40,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:45:39" (1/3) ... [2023-11-06 22:45:40,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ffda77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:45:40, skipping insertion in model container [2023-11-06 22:45:40,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:45:39" (2/3) ... [2023-11-06 22:45:40,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ffda77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:45:40, skipping insertion in model container [2023-11-06 22:45:40,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:40" (3/3) ... [2023-11-06 22:45:40,286 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b04.c [2023-11-06 22:45:40,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:45:40,307 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:45:40,381 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:45:40,389 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;@415657dc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:45:40,391 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:45:40,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 36 states have (on average 1.6111111111111112) internal successors, (58), 37 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:45:40,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-06 22:45:40,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:40,404 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] [2023-11-06 22:45:40,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:40,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:40,413 INFO L85 PathProgramCache]: Analyzing trace with hash 182752351, now seen corresponding path program 1 times [2023-11-06 22:45:40,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:40,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483127154] [2023-11-06 22:45:40,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:40,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,153 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 22:45:41,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:41,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483127154] [2023-11-06 22:45:41,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483127154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:41,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:41,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:45:41,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782016560] [2023-11-06 22:45:41,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:41,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:45:41,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:41,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:45:41,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:45:41,217 INFO L87 Difference]: Start difference. First operand has 38 states, 36 states have (on average 1.6111111111111112) internal successors, (58), 37 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 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 22:45:41,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:41,279 INFO L93 Difference]: Finished difference Result 63 states and 99 transitions. [2023-11-06 22:45:41,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:45:41,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 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 21 [2023-11-06 22:45:41,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:41,290 INFO L225 Difference]: With dead ends: 63 [2023-11-06 22:45:41,291 INFO L226 Difference]: Without dead ends: 36 [2023-11-06 22:45:41,294 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 22:45:41,299 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 1 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 144 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 22:45:41,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 144 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:45:41,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-06 22:45:41,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-06 22:45:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.542857142857143) internal successors, (54), 35 states have internal predecessors, (54), 0 states have call successors, (0), 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 22:45:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 54 transitions. [2023-11-06 22:45:41,340 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 54 transitions. Word has length 21 [2023-11-06 22:45:41,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:41,341 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 54 transitions. [2023-11-06 22:45:41,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 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 22:45:41,341 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2023-11-06 22:45:41,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-06 22:45:41,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:41,344 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] [2023-11-06 22:45:41,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:45:41,345 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:41,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:41,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1372080629, now seen corresponding path program 1 times [2023-11-06 22:45:41,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:41,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255481380] [2023-11-06 22:45:41,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:41,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:41,576 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 22:45:41,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:41,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255481380] [2023-11-06 22:45:41,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255481380] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:41,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:41,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:45:41,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143611828] [2023-11-06 22:45:41,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:41,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:45:41,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:41,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:45:41,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:45:41,583 INFO L87 Difference]: Start difference. First operand 36 states and 54 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 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 22:45:41,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:41,628 INFO L93 Difference]: Finished difference Result 64 states and 95 transitions. [2023-11-06 22:45:41,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:45:41,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2023-11-06 22:45:41,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:41,630 INFO L225 Difference]: With dead ends: 64 [2023-11-06 22:45:41,631 INFO L226 Difference]: Without dead ends: 39 [2023-11-06 22:45:41,636 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 22:45:41,639 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 1 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 141 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 22:45:41,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 141 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:45:41,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-06 22:45:41,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2023-11-06 22:45:41,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 37 states have internal predecessors, (56), 0 states have call successors, (0), 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 22:45:41,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 56 transitions. [2023-11-06 22:45:41,654 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 56 transitions. Word has length 22 [2023-11-06 22:45:41,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:41,654 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 56 transitions. [2023-11-06 22:45:41,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 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 22:45:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2023-11-06 22:45:41,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 22:45:41,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:41,657 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] [2023-11-06 22:45:41,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:45:41,658 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:41,658 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:41,659 INFO L85 PathProgramCache]: Analyzing trace with hash -625605831, now seen corresponding path program 1 times [2023-11-06 22:45:41,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:41,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885716103] [2023-11-06 22:45:41,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:41,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:42,140 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 22:45:42,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:42,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885716103] [2023-11-06 22:45:42,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885716103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:42,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:42,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:45:42,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638800721] [2023-11-06 22:45:42,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:42,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:45:42,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:42,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:45:42,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:45:42,146 INFO L87 Difference]: Start difference. First operand 38 states and 56 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 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 22:45:42,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:42,223 INFO L93 Difference]: Finished difference Result 72 states and 106 transitions. [2023-11-06 22:45:42,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:45:42,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2023-11-06 22:45:42,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:42,226 INFO L225 Difference]: With dead ends: 72 [2023-11-06 22:45:42,226 INFO L226 Difference]: Without dead ends: 45 [2023-11-06 22:45:42,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:45:42,231 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 65 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:42,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 104 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:45:42,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-06 22:45:42,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 38. [2023-11-06 22:45:42,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 37 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:45:42,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 55 transitions. [2023-11-06 22:45:42,237 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 55 transitions. Word has length 23 [2023-11-06 22:45:42,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:42,238 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 55 transitions. [2023-11-06 22:45:42,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 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 22:45:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2023-11-06 22:45:42,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-06 22:45:42,239 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:42,239 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] [2023-11-06 22:45:42,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:45:42,243 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:42,247 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:42,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1007031719, now seen corresponding path program 1 times [2023-11-06 22:45:42,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:42,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660495538] [2023-11-06 22:45:42,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:42,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:43,025 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 22:45:43,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:43,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660495538] [2023-11-06 22:45:43,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660495538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:43,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:43,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:45:43,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054973179] [2023-11-06 22:45:43,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:43,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:45:43,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:43,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:45:43,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:45:43,028 INFO L87 Difference]: Start difference. First operand 38 states and 55 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 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 22:45:43,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:43,631 INFO L93 Difference]: Finished difference Result 129 states and 184 transitions. [2023-11-06 22:45:43,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:45:43,632 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2023-11-06 22:45:43,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:43,633 INFO L225 Difference]: With dead ends: 129 [2023-11-06 22:45:43,633 INFO L226 Difference]: Without dead ends: 102 [2023-11-06 22:45:43,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:45:43,635 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 215 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:43,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 354 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:45:43,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-06 22:45:43,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 47. [2023-11-06 22:45:43,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 0 states have call successors, (0), 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 22:45:43,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2023-11-06 22:45:43,644 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 24 [2023-11-06 22:45:43,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:43,644 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2023-11-06 22:45:43,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 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 22:45:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2023-11-06 22:45:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-06 22:45:43,646 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:43,646 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] [2023-11-06 22:45:43,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:45:43,646 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:43,647 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:43,647 INFO L85 PathProgramCache]: Analyzing trace with hash 767975643, now seen corresponding path program 1 times [2023-11-06 22:45:43,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:43,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062573953] [2023-11-06 22:45:43,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:43,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:43,982 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 22:45:43,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:43,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062573953] [2023-11-06 22:45:43,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062573953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:43,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:43,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:45:43,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233088221] [2023-11-06 22:45:43,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:43,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:45:43,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:43,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:45:43,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:45:43,985 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 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 22:45:44,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:44,057 INFO L93 Difference]: Finished difference Result 123 states and 174 transitions. [2023-11-06 22:45:44,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:45:44,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2023-11-06 22:45:44,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:44,059 INFO L225 Difference]: With dead ends: 123 [2023-11-06 22:45:44,059 INFO L226 Difference]: Without dead ends: 87 [2023-11-06 22:45:44,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:45:44,061 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 93 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:44,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 151 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:45:44,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-06 22:45:44,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 53. [2023-11-06 22:45:44,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 52 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:45:44,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 74 transitions. [2023-11-06 22:45:44,070 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 74 transitions. Word has length 24 [2023-11-06 22:45:44,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:44,071 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 74 transitions. [2023-11-06 22:45:44,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 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 22:45:44,071 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 74 transitions. [2023-11-06 22:45:44,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-06 22:45:44,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:44,072 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] [2023-11-06 22:45:44,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:45:44,073 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:44,073 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:44,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1161002653, now seen corresponding path program 1 times [2023-11-06 22:45:44,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:44,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987172134] [2023-11-06 22:45:44,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:44,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:44,385 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 22:45:44,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:44,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987172134] [2023-11-06 22:45:44,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987172134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:44,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:44,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:45:44,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621766285] [2023-11-06 22:45:44,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:44,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:45:44,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:44,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:45:44,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:45:44,388 INFO L87 Difference]: Start difference. First operand 53 states and 74 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 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 22:45:44,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:44,715 INFO L93 Difference]: Finished difference Result 157 states and 214 transitions. [2023-11-06 22:45:44,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:45:44,716 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2023-11-06 22:45:44,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:44,717 INFO L225 Difference]: With dead ends: 157 [2023-11-06 22:45:44,717 INFO L226 Difference]: Without dead ends: 115 [2023-11-06 22:45:44,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:45:44,719 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 226 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:44,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 303 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:45:44,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-06 22:45:44,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 55. [2023-11-06 22:45:44,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 54 states have internal predecessors, (76), 0 states have call successors, (0), 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 22:45:44,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 76 transitions. [2023-11-06 22:45:44,727 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 76 transitions. Word has length 24 [2023-11-06 22:45:44,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:44,727 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 76 transitions. [2023-11-06 22:45:44,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 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 22:45:44,728 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2023-11-06 22:45:44,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:45:44,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:44,729 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] [2023-11-06 22:45:44,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:45:44,729 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:44,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:44,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1039513811, now seen corresponding path program 1 times [2023-11-06 22:45:44,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:44,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724106157] [2023-11-06 22:45:44,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:44,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:44,901 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 22:45:44,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:44,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724106157] [2023-11-06 22:45:44,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724106157] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:44,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:44,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:45:44,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980224365] [2023-11-06 22:45:44,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:44,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:45:44,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:44,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:45:44,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:45:44,903 INFO L87 Difference]: Start difference. First operand 55 states and 76 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 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 22:45:45,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:45,045 INFO L93 Difference]: Finished difference Result 145 states and 196 transitions. [2023-11-06 22:45:45,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:45:45,046 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2023-11-06 22:45:45,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:45,047 INFO L225 Difference]: With dead ends: 145 [2023-11-06 22:45:45,047 INFO L226 Difference]: Without dead ends: 101 [2023-11-06 22:45:45,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:45:45,048 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 110 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:45,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 80 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:45:45,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-06 22:45:45,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 64. [2023-11-06 22:45:45,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 63 states have internal predecessors, (89), 0 states have call successors, (0), 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 22:45:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 89 transitions. [2023-11-06 22:45:45,058 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 89 transitions. Word has length 25 [2023-11-06 22:45:45,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:45,059 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 89 transitions. [2023-11-06 22:45:45,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 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 22:45:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2023-11-06 22:45:45,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:45:45,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:45,060 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] [2023-11-06 22:45:45,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:45:45,061 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:45,061 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:45,062 INFO L85 PathProgramCache]: Analyzing trace with hash 452707797, now seen corresponding path program 1 times [2023-11-06 22:45:45,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:45,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162468532] [2023-11-06 22:45:45,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:45,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:45,260 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 22:45:45,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:45,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162468532] [2023-11-06 22:45:45,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162468532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:45,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:45,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:45:45,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717657337] [2023-11-06 22:45:45,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:45,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:45:45,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:45,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:45:45,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:45:45,263 INFO L87 Difference]: Start difference. First operand 64 states and 89 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 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 22:45:45,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:45,328 INFO L93 Difference]: Finished difference Result 134 states and 180 transitions. [2023-11-06 22:45:45,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:45:45,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2023-11-06 22:45:45,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:45,330 INFO L225 Difference]: With dead ends: 134 [2023-11-06 22:45:45,330 INFO L226 Difference]: Without dead ends: 88 [2023-11-06 22:45:45,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:45:45,332 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 102 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:45,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 135 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:45:45,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-06 22:45:45,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 62. [2023-11-06 22:45:45,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 61 states have internal predecessors, (85), 0 states have call successors, (0), 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 22:45:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 85 transitions. [2023-11-06 22:45:45,341 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 85 transitions. Word has length 25 [2023-11-06 22:45:45,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:45,341 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 85 transitions. [2023-11-06 22:45:45,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 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 22:45:45,342 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2023-11-06 22:45:45,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:45:45,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:45,343 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] [2023-11-06 22:45:45,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:45:45,343 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:45,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:45,344 INFO L85 PathProgramCache]: Analyzing trace with hash 896033325, now seen corresponding path program 1 times [2023-11-06 22:45:45,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:45,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148310570] [2023-11-06 22:45:45,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:45,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:45,533 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 22:45:45,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:45,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148310570] [2023-11-06 22:45:45,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148310570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:45,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:45,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:45:45,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927697646] [2023-11-06 22:45:45,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:45,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:45:45,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:45,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:45:45,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:45:45,536 INFO L87 Difference]: Start difference. First operand 62 states and 85 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 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 22:45:45,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:45,648 INFO L93 Difference]: Finished difference Result 119 states and 159 transitions. [2023-11-06 22:45:45,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:45:45,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2023-11-06 22:45:45,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:45,650 INFO L225 Difference]: With dead ends: 119 [2023-11-06 22:45:45,650 INFO L226 Difference]: Without dead ends: 72 [2023-11-06 22:45:45,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:45:45,651 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 82 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:45,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 80 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:45:45,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-06 22:45:45,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 59. [2023-11-06 22:45:45,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 58 states have internal predecessors, (80), 0 states have call successors, (0), 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 22:45:45,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 80 transitions. [2023-11-06 22:45:45,659 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 80 transitions. Word has length 25 [2023-11-06 22:45:45,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:45,660 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 80 transitions. [2023-11-06 22:45:45,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 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 22:45:45,660 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 80 transitions. [2023-11-06 22:45:45,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:45:45,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:45,661 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:45,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:45:45,662 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:45,662 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:45,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1763086713, now seen corresponding path program 1 times [2023-11-06 22:45:45,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:45,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232349231] [2023-11-06 22:45:45,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:45,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:46,057 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:46,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:46,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232349231] [2023-11-06 22:45:46,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232349231] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:45:46,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798733832] [2023-11-06 22:45:46,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:46,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:46,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:46,064 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:45:46,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:45:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:46,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-06 22:45:46,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:46,582 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:46,583 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:45:46,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798733832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:46,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:45:46,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2023-11-06 22:45:46,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889040882] [2023-11-06 22:45:46,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:46,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:45:46,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:46,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:45:46,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:45:46,586 INFO L87 Difference]: Start difference. First operand 59 states and 80 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 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 22:45:46,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:46,807 INFO L93 Difference]: Finished difference Result 116 states and 154 transitions. [2023-11-06 22:45:46,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:45:46,808 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2023-11-06 22:45:46,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:46,809 INFO L225 Difference]: With dead ends: 116 [2023-11-06 22:45:46,809 INFO L226 Difference]: Without dead ends: 72 [2023-11-06 22:45:46,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:45:46,810 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 52 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:46,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 162 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:45:46,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-06 22:45:46,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2023-11-06 22:45:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 70 states have internal predecessors, (92), 0 states have call successors, (0), 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 22:45:46,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 92 transitions. [2023-11-06 22:45:46,819 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 92 transitions. Word has length 41 [2023-11-06 22:45:46,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:46,819 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 92 transitions. [2023-11-06 22:45:46,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 0 states have call successors, (0), 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 22:45:46,820 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2023-11-06 22:45:46,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-06 22:45:46,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:46,821 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:46,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:45:47,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:45:47,034 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:47,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:47,034 INFO L85 PathProgramCache]: Analyzing trace with hash 2110556693, now seen corresponding path program 1 times [2023-11-06 22:45:47,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:47,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452110510] [2023-11-06 22:45:47,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:47,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:47,678 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:47,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:47,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452110510] [2023-11-06 22:45:47,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452110510] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:45:47,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830764786] [2023-11-06 22:45:47,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:47,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:47,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:47,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:45:47,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:45:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:47,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-06 22:45:47,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:48,210 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:45:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:49,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830764786] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:45:49,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:45:49,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 13] total 28 [2023-11-06 22:45:49,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990026389] [2023-11-06 22:45:49,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:45:49,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-06 22:45:49,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:49,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-06 22:45:49,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=641, Unknown=0, NotChecked=0, Total=756 [2023-11-06 22:45:49,700 INFO L87 Difference]: Start difference. First operand 71 states and 92 transitions. Second operand has 28 states, 28 states have (on average 3.5714285714285716) internal successors, (100), 28 states have internal predecessors, (100), 0 states have call successors, (0), 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 22:45:51,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:51,092 INFO L93 Difference]: Finished difference Result 187 states and 243 transitions. [2023-11-06 22:45:51,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-06 22:45:51,093 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.5714285714285716) internal successors, (100), 28 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2023-11-06 22:45:51,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:51,095 INFO L225 Difference]: With dead ends: 187 [2023-11-06 22:45:51,095 INFO L226 Difference]: Without dead ends: 143 [2023-11-06 22:45:51,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=437, Invalid=1819, Unknown=0, NotChecked=0, Total=2256 [2023-11-06 22:45:51,097 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 281 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:51,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 400 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:45:51,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-06 22:45:51,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 102. [2023-11-06 22:45:51,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.306930693069307) internal successors, (132), 101 states have internal predecessors, (132), 0 states have call successors, (0), 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 22:45:51,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 132 transitions. [2023-11-06 22:45:51,109 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 132 transitions. Word has length 42 [2023-11-06 22:45:51,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:51,110 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 132 transitions. [2023-11-06 22:45:51,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.5714285714285716) internal successors, (100), 28 states have internal predecessors, (100), 0 states have call successors, (0), 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 22:45:51,110 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 132 transitions. [2023-11-06 22:45:51,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-06 22:45:51,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:51,113 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:51,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:45:51,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:45:51,320 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:51,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:51,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1967076207, now seen corresponding path program 1 times [2023-11-06 22:45:51,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:51,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762262608] [2023-11-06 22:45:51,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:51,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:51,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:51,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762262608] [2023-11-06 22:45:51,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762262608] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:45:51,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516800570] [2023-11-06 22:45:51,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:51,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:51,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:51,998 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:45:52,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:45:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:52,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-06 22:45:52,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:52,410 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:52,410 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:45:53,014 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:53,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516800570] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:45:53,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:45:53,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 24 [2023-11-06 22:45:53,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679883166] [2023-11-06 22:45:53,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:45:53,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-06 22:45:53,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:53,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-06 22:45:53,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:45:53,018 INFO L87 Difference]: Start difference. First operand 102 states and 132 transitions. Second operand has 24 states, 24 states have (on average 4.0) internal successors, (96), 24 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:45:53,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:53,510 INFO L93 Difference]: Finished difference Result 198 states and 255 transitions. [2023-11-06 22:45:53,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:45:53,511 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.0) internal successors, (96), 24 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2023-11-06 22:45:53,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:53,512 INFO L225 Difference]: With dead ends: 198 [2023-11-06 22:45:53,512 INFO L226 Difference]: Without dead ends: 123 [2023-11-06 22:45:53,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=236, Invalid=886, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:45:53,513 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 175 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:53,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 264 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:45:53,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-06 22:45:53,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 105. [2023-11-06 22:45:53,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 104 states have internal predecessors, (135), 0 states have call successors, (0), 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 22:45:53,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 135 transitions. [2023-11-06 22:45:53,529 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 135 transitions. Word has length 42 [2023-11-06 22:45:53,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:53,530 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 135 transitions. [2023-11-06 22:45:53,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.0) internal successors, (96), 24 states have internal predecessors, (96), 0 states have call successors, (0), 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 22:45:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 135 transitions. [2023-11-06 22:45:53,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 22:45:53,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:53,536 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:45:53,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:45:53,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:45:53,742 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:53,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:53,742 INFO L85 PathProgramCache]: Analyzing trace with hash -456557623, now seen corresponding path program 1 times [2023-11-06 22:45:53,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:45:53,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909302091] [2023-11-06 22:45:53,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:53,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:45:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:55,289 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:55,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:45:55,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909302091] [2023-11-06 22:45:55,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909302091] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:45:55,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849314089] [2023-11-06 22:45:55,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:55,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:45:55,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:45:55,291 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:45:55,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:45:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:55,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 83 conjunts are in the unsatisfiable core [2023-11-06 22:45:55,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:55,994 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:55,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:45:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:45:56,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849314089] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:45:56,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:45:56,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15, 12] total 33 [2023-11-06 22:45:56,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571055026] [2023-11-06 22:45:56,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:45:56,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-06 22:45:56,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:45:56,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-06 22:45:56,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2023-11-06 22:45:56,999 INFO L87 Difference]: Start difference. First operand 105 states and 135 transitions. Second operand has 33 states, 33 states have (on average 4.818181818181818) internal successors, (159), 33 states have internal predecessors, (159), 0 states have call successors, (0), 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 22:46:05,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:05,472 INFO L93 Difference]: Finished difference Result 411 states and 528 transitions. [2023-11-06 22:46:05,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2023-11-06 22:46:05,472 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 4.818181818181818) internal successors, (159), 33 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2023-11-06 22:46:05,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:05,475 INFO L225 Difference]: With dead ends: 411 [2023-11-06 22:46:05,475 INFO L226 Difference]: Without dead ends: 367 [2023-11-06 22:46:05,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3695 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=2273, Invalid=12247, Unknown=0, NotChecked=0, Total=14520 [2023-11-06 22:46:05,482 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 747 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 1465 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:05,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 907 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1465 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-06 22:46:05,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2023-11-06 22:46:05,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 100. [2023-11-06 22:46:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.2727272727272727) internal successors, (126), 99 states have internal predecessors, (126), 0 states have call successors, (0), 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 22:46:05,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 126 transitions. [2023-11-06 22:46:05,494 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 126 transitions. Word has length 58 [2023-11-06 22:46:05,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:05,495 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 126 transitions. [2023-11-06 22:46:05,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.818181818181818) internal successors, (159), 33 states have internal predecessors, (159), 0 states have call successors, (0), 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 22:46:05,495 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 126 transitions. [2023-11-06 22:46:05,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 22:46:05,496 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:05,496 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:05,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:05,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:05,708 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:05,709 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:05,709 INFO L85 PathProgramCache]: Analyzing trace with hash -600038109, now seen corresponding path program 1 times [2023-11-06 22:46:05,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:05,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399161270] [2023-11-06 22:46:05,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:05,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:07,025 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:07,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:46:07,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399161270] [2023-11-06 22:46:07,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399161270] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:46:07,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830236190] [2023-11-06 22:46:07,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:07,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:46:07,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:07,028 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:46:07,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:46:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:07,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-06 22:46:07,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:07,666 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:07,666 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:46:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:08,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830236190] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:46:08,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:46:08,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 14] total 31 [2023-11-06 22:46:08,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143822897] [2023-11-06 22:46:08,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:46:08,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-06 22:46:08,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:46:08,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-06 22:46:08,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=791, Unknown=0, NotChecked=0, Total=930 [2023-11-06 22:46:08,683 INFO L87 Difference]: Start difference. First operand 100 states and 126 transitions. Second operand has 31 states, 31 states have (on average 5.064516129032258) internal successors, (157), 31 states have internal predecessors, (157), 0 states have call successors, (0), 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 22:46:11,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:11,667 INFO L93 Difference]: Finished difference Result 231 states and 289 transitions. [2023-11-06 22:46:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-06 22:46:11,668 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 5.064516129032258) internal successors, (157), 31 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2023-11-06 22:46:11,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:11,670 INFO L225 Difference]: With dead ends: 231 [2023-11-06 22:46:11,670 INFO L226 Difference]: Without dead ends: 158 [2023-11-06 22:46:11,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 963 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1016, Invalid=3954, Unknown=0, NotChecked=0, Total=4970 [2023-11-06 22:46:11,673 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 351 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:11,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 585 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:46:11,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-06 22:46:11,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 78. [2023-11-06 22:46:11,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 77 states have internal predecessors, (94), 0 states have call successors, (0), 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 22:46:11,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 94 transitions. [2023-11-06 22:46:11,685 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 94 transitions. Word has length 58 [2023-11-06 22:46:11,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:11,686 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 94 transitions. [2023-11-06 22:46:11,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.064516129032258) internal successors, (157), 31 states have internal predecessors, (157), 0 states have call successors, (0), 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 22:46:11,686 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2023-11-06 22:46:11,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-06 22:46:11,687 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:11,687 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:11,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:11,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 22:46:11,893 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:11,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:11,894 INFO L85 PathProgramCache]: Analyzing trace with hash -302528951, now seen corresponding path program 1 times [2023-11-06 22:46:11,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:11,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289401788] [2023-11-06 22:46:11,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:11,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:12,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:12,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:12,236 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:46:12,237 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:46:12,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:46:12,243 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:12,247 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:46:12,350 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 22:46:12,351 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 22:46:12,351 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 22:46:12,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:46:12 BoogieIcfgContainer [2023-11-06 22:46:12,382 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:46:12,383 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:46:12,383 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:46:12,383 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:46:12,384 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:45:40" (3/4) ... [2023-11-06 22:46:12,386 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:46:12,387 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:46:12,388 INFO L158 Benchmark]: Toolchain (without parser) took 33298.44ms. Allocated memory was 169.9MB in the beginning and 358.6MB in the end (delta: 188.7MB). Free memory was 130.9MB in the beginning and 267.7MB in the end (delta: -136.8MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2023-11-06 22:46:12,388 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 119.5MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:46:12,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.92ms. Allocated memory is still 169.9MB. Free memory was 130.9MB in the beginning and 117.6MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:46:12,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.14ms. Allocated memory is still 169.9MB. Free memory was 117.6MB in the beginning and 113.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:46:12,390 INFO L158 Benchmark]: Boogie Preprocessor took 66.04ms. Allocated memory is still 169.9MB. Free memory was 113.5MB in the beginning and 110.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:46:12,391 INFO L158 Benchmark]: RCFGBuilder took 704.84ms. Allocated memory is still 169.9MB. Free memory was 110.9MB in the beginning and 87.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 22:46:12,391 INFO L158 Benchmark]: TraceAbstraction took 32116.46ms. Allocated memory was 169.9MB in the beginning and 358.6MB in the end (delta: 188.7MB). Free memory was 86.9MB in the beginning and 268.8MB in the end (delta: -181.9MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-11-06 22:46:12,391 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 358.6MB. Free memory was 268.8MB in the beginning and 267.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:46:12,398 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 119.5MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.92ms. Allocated memory is still 169.9MB. Free memory was 130.9MB in the beginning and 117.6MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.14ms. Allocated memory is still 169.9MB. Free memory was 117.6MB in the beginning and 113.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.04ms. Allocated memory is still 169.9MB. Free memory was 113.5MB in the beginning and 110.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 704.84ms. Allocated memory is still 169.9MB. Free memory was 110.9MB in the beginning and 87.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 32116.46ms. Allocated memory was 169.9MB in the beginning and 358.6MB in the end (delta: 188.7MB). Free memory was 86.9MB in the beginning and 268.8MB in the end (delta: -181.9MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 358.6MB. Free memory was 268.8MB in the beginning and 267.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 97. 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 8); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (8 - 1); [L32] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 32); [L33] const SORT_12 msb_SORT_12 = (SORT_12)1 << (32 - 1); [L35] const SORT_4 var_8 = 0; [L36] const SORT_12 var_14 = 1; [L37] const SORT_1 var_25 = 1; [L38] const SORT_1 var_42 = 0; [L40] SORT_1 input_2; [L41] SORT_1 input_3; [L42] SORT_4 input_5; [L43] SORT_1 input_6; [L44] SORT_1 input_7; [L45] SORT_4 input_29; [L46] SORT_4 input_31; [L47] SORT_4 input_33; [L48] SORT_4 input_35; [L49] SORT_4 input_37; [L50] SORT_4 input_39; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [__VERIFIER_nondet_uchar() & mask_SORT_4=0, __VERIFIER_nondet_uchar()=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, var_14=1, var_25=1, var_42=0, var_8=0] [L52] SORT_4 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 VAL [__VERIFIER_nondet_uchar() & mask_SORT_4=0, __VERIFIER_nondet_uchar()=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, state_9=0, var_14=1, var_25=1, var_42=0, var_8=0] [L53] SORT_4 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, state_17=0, state_9=0, var_14=1, var_25=1, var_42=0, var_8=0] [L54] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_4 init_10_arg_1 = var_8; [L57] state_9 = init_10_arg_1 [L58] SORT_4 init_18_arg_1 = var_8; [L59] state_17 = init_18_arg_1 [L60] SORT_1 init_44_arg_1 = var_42; [L61] state_43 = init_44_arg_1 VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_14=1, var_25=1, var_42=0, var_8=0] [L64] input_2 = __VERIFIER_nondet_uchar() [L65] input_3 = __VERIFIER_nondet_uchar() [L66] input_5 = __VERIFIER_nondet_uchar() [L67] input_6 = __VERIFIER_nondet_uchar() [L68] input_7 = __VERIFIER_nondet_uchar() [L69] input_29 = __VERIFIER_nondet_uchar() [L70] input_31 = __VERIFIER_nondet_uchar() [L71] input_33 = __VERIFIER_nondet_uchar() [L72] input_35 = __VERIFIER_nondet_uchar() [L73] input_37 = __VERIFIER_nondet_uchar() [L74] input_39 = __VERIFIER_nondet_uchar() [L77] SORT_4 var_11_arg_0 = state_9; [L78] SORT_1 var_11 = var_11_arg_0 >> 7; [L79] SORT_1 var_13_arg_0 = var_11; VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13_arg_0=0, var_14=1, var_25=1, var_42=0, var_8=0] [L80] EXPR var_13_arg_0 & mask_SORT_1 VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13_arg_0 & mask_SORT_1=0, var_13_arg_0=0, var_14=1, var_25=1, var_42=0, var_8=0] [L80] var_13_arg_0 = var_13_arg_0 & mask_SORT_1 [L81] SORT_12 var_13 = var_13_arg_0; [L82] SORT_12 var_15_arg_0 = var_13; [L83] SORT_12 var_15_arg_1 = var_14; [L84] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L85] SORT_1 var_16_arg_0 = var_15; [L86] SORT_1 var_16 = ~var_16_arg_0; [L87] SORT_4 var_19_arg_0 = state_17; [L88] SORT_1 var_19 = var_19_arg_0 >> 7; [L89] SORT_1 var_20_arg_0 = var_19; VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20_arg_0=0, var_25=1, var_42=0, var_8=0] [L90] EXPR var_20_arg_0 & mask_SORT_1 VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20_arg_0 & mask_SORT_1=0, var_20_arg_0=0, var_25=1, var_42=0, var_8=0] [L90] var_20_arg_0 = var_20_arg_0 & mask_SORT_1 [L91] SORT_12 var_20 = var_20_arg_0; [L92] SORT_12 var_21_arg_0 = var_20; [L93] SORT_12 var_21_arg_1 = var_14; [L94] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L95] SORT_1 var_22_arg_0 = var_16; [L96] SORT_1 var_22_arg_1 = var_21; VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_42=0, var_8=0] [L97] EXPR var_22_arg_0 | var_22_arg_1 VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22_arg_0 | var_22_arg_1=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_42=0, var_8=0] [L97] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L98] SORT_1 var_26_arg_0 = var_22; [L99] SORT_1 var_26 = ~var_26_arg_0; [L100] SORT_1 var_27_arg_0 = var_25; [L101] SORT_1 var_27_arg_1 = var_26; VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_8=0] [L102] EXPR var_27_arg_0 & var_27_arg_1 VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27_arg_0 & var_27_arg_1=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_8=0] [L102] SORT_1 var_27 = var_27_arg_0 & var_27_arg_1; [L103] EXPR var_27 & mask_SORT_1 VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27 & mask_SORT_1=0, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_8=0] [L103] var_27 = var_27 & mask_SORT_1 [L104] SORT_1 bad_28_arg_0 = var_27; [L105] CALL __VERIFIER_assert(!(bad_28_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L105] RET __VERIFIER_assert(!(bad_28_arg_0)) [L107] SORT_1 var_45_arg_0 = state_43; [L108] SORT_4 var_45_arg_1 = input_5; [L109] SORT_4 var_45_arg_2 = state_9; [L110] SORT_4 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L111] SORT_4 next_46_arg_1 = var_45; [L112] SORT_1 var_47_arg_0 = state_43; [L113] SORT_4 var_47_arg_1 = input_5; [L114] SORT_4 var_47_arg_2 = state_17; [L115] SORT_4 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L116] SORT_4 next_48_arg_1 = var_47; [L117] SORT_1 var_49_arg_0 = state_43; [L118] SORT_1 var_49_arg_1 = var_42; [L119] SORT_1 var_49_arg_2 = var_25; [L120] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, input_5=9, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=0, next_48_arg_1=0, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=0, var_45_arg_0=0, var_45_arg_1=9, var_45_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=9, var_47_arg_2=0, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L121] EXPR var_49 & mask_SORT_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, input_5=9, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=0, next_48_arg_1=0, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=0, var_45_arg_0=0, var_45_arg_1=9, var_45_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=9, var_47_arg_2=0, var_49 & mask_SORT_1=1, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L121] var_49 = var_49 & mask_SORT_1 [L122] SORT_1 next_50_arg_1 = var_49; [L124] state_9 = next_46_arg_1 [L125] state_17 = next_48_arg_1 [L126] state_43 = next_50_arg_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, input_5=9, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=0, next_48_arg_1=0, next_50_arg_1=1, state_17=0, state_43=1, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=0, var_45_arg_0=0, var_45_arg_1=9, var_45_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=9, var_47_arg_2=0, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L64] input_2 = __VERIFIER_nondet_uchar() [L65] input_3 = __VERIFIER_nondet_uchar() [L66] input_5 = __VERIFIER_nondet_uchar() [L67] input_6 = __VERIFIER_nondet_uchar() [L68] input_7 = __VERIFIER_nondet_uchar() [L69] input_29 = __VERIFIER_nondet_uchar() [L70] input_31 = __VERIFIER_nondet_uchar() [L71] input_33 = __VERIFIER_nondet_uchar() [L72] input_35 = __VERIFIER_nondet_uchar() [L73] input_37 = __VERIFIER_nondet_uchar() [L74] input_39 = __VERIFIER_nondet_uchar() [L77] SORT_4 var_11_arg_0 = state_9; [L78] SORT_1 var_11 = var_11_arg_0 >> 7; [L79] SORT_1 var_13_arg_0 = var_11; VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=0, next_48_arg_1=0, next_50_arg_1=1, state_17=0, state_43=1, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=0, var_45_arg_0=0, var_45_arg_1=9, var_45_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=9, var_47_arg_2=0, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L80] EXPR var_13_arg_0 & mask_SORT_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=0, next_48_arg_1=0, next_50_arg_1=1, state_17=0, state_43=1, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0 & mask_SORT_1=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=0, var_45_arg_0=0, var_45_arg_1=9, var_45_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=9, var_47_arg_2=0, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L80] var_13_arg_0 = var_13_arg_0 & mask_SORT_1 [L81] SORT_12 var_13 = var_13_arg_0; [L82] SORT_12 var_15_arg_0 = var_13; [L83] SORT_12 var_15_arg_1 = var_14; [L84] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L85] SORT_1 var_16_arg_0 = var_15; [L86] SORT_1 var_16 = ~var_16_arg_0; [L87] SORT_4 var_19_arg_0 = state_17; [L88] SORT_1 var_19 = var_19_arg_0 >> 7; [L89] SORT_1 var_20_arg_0 = var_19; VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=0, next_48_arg_1=0, next_50_arg_1=1, state_17=0, state_43=1, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=0, var_45_arg_0=0, var_45_arg_1=9, var_45_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=9, var_47_arg_2=0, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L90] EXPR var_20_arg_0 & mask_SORT_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=0, next_48_arg_1=0, next_50_arg_1=1, state_17=0, state_43=1, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0 & mask_SORT_1=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=0, var_45_arg_0=0, var_45_arg_1=9, var_45_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=9, var_47_arg_2=0, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L90] var_20_arg_0 = var_20_arg_0 & mask_SORT_1 [L91] SORT_12 var_20 = var_20_arg_0; [L92] SORT_12 var_21_arg_0 = var_20; [L93] SORT_12 var_21_arg_1 = var_14; [L94] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L95] SORT_1 var_22_arg_0 = var_16; [L96] SORT_1 var_22_arg_1 = var_21; VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=0, next_48_arg_1=0, next_50_arg_1=1, state_17=0, state_43=1, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=0, var_45_arg_0=0, var_45_arg_1=9, var_45_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=9, var_47_arg_2=0, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L97] EXPR var_22_arg_0 | var_22_arg_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=0, next_48_arg_1=0, next_50_arg_1=1, state_17=0, state_43=1, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0 | var_22_arg_1=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=0, var_45_arg_0=0, var_45_arg_1=9, var_45_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=9, var_47_arg_2=0, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L97] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L98] SORT_1 var_26_arg_0 = var_22; [L99] SORT_1 var_26 = ~var_26_arg_0; [L100] SORT_1 var_27_arg_0 = var_25; [L101] SORT_1 var_27_arg_1 = var_26; VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=0, next_48_arg_1=0, next_50_arg_1=1, state_17=0, state_43=1, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=0, var_45_arg_0=0, var_45_arg_1=9, var_45_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=9, var_47_arg_2=0, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L102] EXPR var_27_arg_0 & var_27_arg_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=0, next_48_arg_1=0, next_50_arg_1=1, state_17=0, state_43=1, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0 & var_27_arg_1=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=0, var_45_arg_0=0, var_45_arg_1=9, var_45_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=9, var_47_arg_2=0, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L102] SORT_1 var_27 = var_27_arg_0 & var_27_arg_1; [L103] EXPR var_27 & mask_SORT_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=0, next_48_arg_1=0, next_50_arg_1=1, state_17=0, state_43=1, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27 & mask_SORT_1=0, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=0, var_45_arg_0=0, var_45_arg_1=9, var_45_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=9, var_47_arg_2=0, var_49=1, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L103] var_27 = var_27 & mask_SORT_1 [L104] SORT_1 bad_28_arg_0 = var_27; [L105] CALL __VERIFIER_assert(!(bad_28_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L105] RET __VERIFIER_assert(!(bad_28_arg_0)) [L107] SORT_1 var_45_arg_0 = state_43; [L108] SORT_4 var_45_arg_1 = input_5; [L109] SORT_4 var_45_arg_2 = state_9; [L110] SORT_4 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L111] SORT_4 next_46_arg_1 = var_45; [L112] SORT_1 var_47_arg_0 = state_43; [L113] SORT_4 var_47_arg_1 = input_5; [L114] SORT_4 var_47_arg_2 = state_17; [L115] SORT_4 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L116] SORT_4 next_48_arg_1 = var_47; [L117] SORT_1 var_49_arg_0 = state_43; [L118] SORT_1 var_49_arg_1 = var_42; [L119] SORT_1 var_49_arg_2 = var_25; [L120] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, input_5=255, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=255, next_48_arg_1=255, next_50_arg_1=1, state_17=0, state_43=1, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=255, var_45_arg_0=1, var_45_arg_1=255, var_45_arg_2=0, var_47=255, var_47_arg_0=1, var_47_arg_1=255, var_47_arg_2=0, var_49=0, var_49_arg_0=1, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L121] EXPR var_49 & mask_SORT_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, input_5=255, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=255, next_48_arg_1=255, next_50_arg_1=1, state_17=0, state_43=1, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=255, var_45_arg_0=1, var_45_arg_1=255, var_45_arg_2=0, var_47=255, var_47_arg_0=1, var_47_arg_1=255, var_47_arg_2=0, var_49 & mask_SORT_1=0, var_49=0, var_49_arg_0=1, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L121] var_49 = var_49 & mask_SORT_1 [L122] SORT_1 next_50_arg_1 = var_49; [L124] state_9 = next_46_arg_1 [L125] state_17 = next_48_arg_1 [L126] state_43 = next_50_arg_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, input_5=255, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=255, next_48_arg_1=255, next_50_arg_1=0, state_17=255, state_43=0, state_9=255, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=255, var_45_arg_0=1, var_45_arg_1=255, var_45_arg_2=0, var_47=255, var_47_arg_0=1, var_47_arg_1=255, var_47_arg_2=0, var_49=0, var_49_arg_0=1, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L64] input_2 = __VERIFIER_nondet_uchar() [L65] input_3 = __VERIFIER_nondet_uchar() [L66] input_5 = __VERIFIER_nondet_uchar() [L67] input_6 = __VERIFIER_nondet_uchar() [L68] input_7 = __VERIFIER_nondet_uchar() [L69] input_29 = __VERIFIER_nondet_uchar() [L70] input_31 = __VERIFIER_nondet_uchar() [L71] input_33 = __VERIFIER_nondet_uchar() [L72] input_35 = __VERIFIER_nondet_uchar() [L73] input_37 = __VERIFIER_nondet_uchar() [L74] input_39 = __VERIFIER_nondet_uchar() [L77] SORT_4 var_11_arg_0 = state_9; [L78] SORT_1 var_11 = var_11_arg_0 >> 7; [L79] SORT_1 var_13_arg_0 = var_11; VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=255, next_48_arg_1=255, next_50_arg_1=0, state_17=255, state_43=0, state_9=255, var_11=1, var_11_arg_0=255, var_13=0, var_13_arg_0=1, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=255, var_45_arg_0=1, var_45_arg_1=255, var_45_arg_2=0, var_47=255, var_47_arg_0=1, var_47_arg_1=255, var_47_arg_2=0, var_49=0, var_49_arg_0=1, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L80] EXPR var_13_arg_0 & mask_SORT_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=255, next_48_arg_1=255, next_50_arg_1=0, state_17=255, state_43=0, state_9=255, var_11=1, var_11_arg_0=255, var_13=0, var_13_arg_0 & mask_SORT_1=1, var_13_arg_0=1, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=255, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=255, var_45_arg_0=1, var_45_arg_1=255, var_45_arg_2=0, var_47=255, var_47_arg_0=1, var_47_arg_1=255, var_47_arg_2=0, var_49=0, var_49_arg_0=1, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L80] var_13_arg_0 = var_13_arg_0 & mask_SORT_1 [L81] SORT_12 var_13 = var_13_arg_0; [L82] SORT_12 var_15_arg_0 = var_13; [L83] SORT_12 var_15_arg_1 = var_14; [L84] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L85] SORT_1 var_16_arg_0 = var_15; [L86] SORT_1 var_16 = ~var_16_arg_0; [L87] SORT_4 var_19_arg_0 = state_17; [L88] SORT_1 var_19 = var_19_arg_0 >> 7; [L89] SORT_1 var_20_arg_0 = var_19; VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=255, next_48_arg_1=255, next_50_arg_1=0, state_17=255, state_43=0, state_9=255, var_11=1, var_11_arg_0=255, var_13=1, var_13_arg_0=1, var_14=1, var_15=1, var_15_arg_0=1, var_15_arg_1=1, var_16=254, var_16_arg_0=1, var_19=1, var_19_arg_0=255, var_20=0, var_20_arg_0=1, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=255, var_45_arg_0=1, var_45_arg_1=255, var_45_arg_2=0, var_47=255, var_47_arg_0=1, var_47_arg_1=255, var_47_arg_2=0, var_49=0, var_49_arg_0=1, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L90] EXPR var_20_arg_0 & mask_SORT_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=255, next_48_arg_1=255, next_50_arg_1=0, state_17=255, state_43=0, state_9=255, var_11=1, var_11_arg_0=255, var_13=1, var_13_arg_0=1, var_14=1, var_15=1, var_15_arg_0=1, var_15_arg_1=1, var_16=254, var_16_arg_0=1, var_19=1, var_19_arg_0=255, var_20=0, var_20_arg_0 & mask_SORT_1=1, var_20_arg_0=1, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=255, var_22_arg_0=255, var_22_arg_1=0, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=255, var_45_arg_0=1, var_45_arg_1=255, var_45_arg_2=0, var_47=255, var_47_arg_0=1, var_47_arg_1=255, var_47_arg_2=0, var_49=0, var_49_arg_0=1, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L90] var_20_arg_0 = var_20_arg_0 & mask_SORT_1 [L91] SORT_12 var_20 = var_20_arg_0; [L92] SORT_12 var_21_arg_0 = var_20; [L93] SORT_12 var_21_arg_1 = var_14; [L94] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L95] SORT_1 var_22_arg_0 = var_16; [L96] SORT_1 var_22_arg_1 = var_21; VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=255, next_48_arg_1=255, next_50_arg_1=0, state_17=255, state_43=0, state_9=255, var_11=1, var_11_arg_0=255, var_13=1, var_13_arg_0=1, var_14=1, var_15=1, var_15_arg_0=1, var_15_arg_1=1, var_16=254, var_16_arg_0=1, var_19=1, var_19_arg_0=255, var_20=1, var_20_arg_0=1, var_21=1, var_21_arg_0=1, var_21_arg_1=1, var_22=255, var_22_arg_0=254, var_22_arg_1=1, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=255, var_45_arg_0=1, var_45_arg_1=255, var_45_arg_2=0, var_47=255, var_47_arg_0=1, var_47_arg_1=255, var_47_arg_2=0, var_49=0, var_49_arg_0=1, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L97] EXPR var_22_arg_0 | var_22_arg_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=255, next_48_arg_1=255, next_50_arg_1=0, state_17=255, state_43=0, state_9=255, var_11=1, var_11_arg_0=255, var_13=1, var_13_arg_0=1, var_14=1, var_15=1, var_15_arg_0=1, var_15_arg_1=1, var_16=254, var_16_arg_0=1, var_19=1, var_19_arg_0=255, var_20=1, var_20_arg_0=1, var_21=1, var_21_arg_0=1, var_21_arg_1=1, var_22=255, var_22_arg_0 | var_22_arg_1=254, var_22_arg_0=254, var_22_arg_1=1, var_25=1, var_26=0, var_26_arg_0=255, var_27=0, var_27_arg_0=1, var_27_arg_1=0, var_42=0, var_45=255, var_45_arg_0=1, var_45_arg_1=255, var_45_arg_2=0, var_47=255, var_47_arg_0=1, var_47_arg_1=255, var_47_arg_2=0, var_49=0, var_49_arg_0=1, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L97] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L98] SORT_1 var_26_arg_0 = var_22; [L99] SORT_1 var_26 = ~var_26_arg_0; [L100] SORT_1 var_27_arg_0 = var_25; [L101] SORT_1 var_27_arg_1 = var_26; VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=255, next_48_arg_1=255, next_50_arg_1=0, state_17=255, state_43=0, state_9=255, var_11=1, var_11_arg_0=255, var_13=1, var_13_arg_0=1, var_14=1, var_15=1, var_15_arg_0=1, var_15_arg_1=1, var_16=254, var_16_arg_0=1, var_19=1, var_19_arg_0=255, var_20=1, var_20_arg_0=1, var_21=1, var_21_arg_0=1, var_21_arg_1=1, var_22=254, var_22_arg_0=254, var_22_arg_1=1, var_25=1, var_26=1, var_26_arg_0=254, var_27=0, var_27_arg_0=1, var_27_arg_1=1, var_42=0, var_45=255, var_45_arg_0=1, var_45_arg_1=255, var_45_arg_2=0, var_47=255, var_47_arg_0=1, var_47_arg_1=255, var_47_arg_2=0, var_49=0, var_49_arg_0=1, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L102] EXPR var_27_arg_0 & var_27_arg_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=255, next_48_arg_1=255, next_50_arg_1=0, state_17=255, state_43=0, state_9=255, var_11=1, var_11_arg_0=255, var_13=1, var_13_arg_0=1, var_14=1, var_15=1, var_15_arg_0=1, var_15_arg_1=1, var_16=254, var_16_arg_0=1, var_19=1, var_19_arg_0=255, var_20=1, var_20_arg_0=1, var_21=1, var_21_arg_0=1, var_21_arg_1=1, var_22=254, var_22_arg_0=254, var_22_arg_1=1, var_25=1, var_26=1, var_26_arg_0=254, var_27=0, var_27_arg_0 & var_27_arg_1=1, var_27_arg_0=1, var_27_arg_1=1, var_42=0, var_45=255, var_45_arg_0=1, var_45_arg_1=255, var_45_arg_2=0, var_47=255, var_47_arg_0=1, var_47_arg_1=255, var_47_arg_2=0, var_49=0, var_49_arg_0=1, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L102] SORT_1 var_27 = var_27_arg_0 & var_27_arg_1; [L103] EXPR var_27 & mask_SORT_1 VAL [bad_28_arg_0=0, init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=255, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=128, next_46_arg_1=255, next_48_arg_1=255, next_50_arg_1=0, state_17=255, state_43=0, state_9=255, var_11=1, var_11_arg_0=255, var_13=1, var_13_arg_0=1, var_14=1, var_15=1, var_15_arg_0=1, var_15_arg_1=1, var_16=254, var_16_arg_0=1, var_19=1, var_19_arg_0=255, var_20=1, var_20_arg_0=1, var_21=1, var_21_arg_0=1, var_21_arg_1=1, var_22=254, var_22_arg_0=254, var_22_arg_1=1, var_25=1, var_26=1, var_26_arg_0=254, var_27 & mask_SORT_1=1, var_27=1, var_27_arg_0=1, var_27_arg_1=1, var_42=0, var_45=255, var_45_arg_0=1, var_45_arg_1=255, var_45_arg_2=0, var_47=255, var_47_arg_0=1, var_47_arg_1=255, var_47_arg_2=0, var_49=0, var_49_arg_0=1, var_49_arg_1=0, var_49_arg_2=1, var_8=0] [L103] var_27 = var_27 & mask_SORT_1 [L104] SORT_1 bad_28_arg_0 = var_27; [L105] CALL __VERIFIER_assert(!(bad_28_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, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.9s, OverallIterations: 15, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2501 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2501 mSDsluCounter, 3810 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3162 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3718 IncrementalHoareTripleChecker+Invalid, 3785 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 648 mSDtfsCounter, 3718 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 774 GetRequests, 428 SyntacticMatches, 2 SemanticMatches, 344 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5469 ImplicationChecksByTransitivity, 14.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=12, InterpolantAutomatonStates: 243, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 640 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 754 NumberOfCodeBlocks, 754 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 872 ConstructedInterpolants, 1 QuantifiedInterpolants, 7026 SizeOfPredicates, 104 NumberOfNonLiveVariables, 1718 ConjunctsInSsa, 288 ConjunctsInUnsatCore, 23 InterpolantComputations, 10 PerfectInterpolantSequences, 281/356 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 22:46:12,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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_e2431327-a286-443a-84aa-8c6d4113f579/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 278b4de367ce9a5d90b72b56db7b4bfd32cdd3486043ecd2959c1028ac507b6e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:46:15,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:46:15,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 22:46:15,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:46:15,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:46:15,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:46:15,157 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:46:15,157 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:46:15,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:46:15,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:46:15,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:46:15,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:46:15,168 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:46:15,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:46:15,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:46:15,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:46:15,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:46:15,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:46:15,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:46:15,174 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:46:15,175 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:46:15,176 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:46:15,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:46:15,177 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:46:15,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:46:15,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:46:15,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:46:15,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:46:15,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:46:15,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:46:15,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:46:15,181 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:46:15,182 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:46:15,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:46:15,183 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:46:15,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:46:15,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:46:15,183 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:46:15,184 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:46:15,185 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_e2431327-a286-443a-84aa-8c6d4113f579/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 278b4de367ce9a5d90b72b56db7b4bfd32cdd3486043ecd2959c1028ac507b6e [2023-11-06 22:46:15,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:46:15,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:46:15,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:46:15,628 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:46:15,628 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:46:15,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2023-11-06 22:46:18,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:46:19,022 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:46:19,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2023-11-06 22:46:19,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/data/f89fc35f3/fad8b6545f2c4346b59be6027729a5eb/FLAGdb9281488 [2023-11-06 22:46:19,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/data/f89fc35f3/fad8b6545f2c4346b59be6027729a5eb [2023-11-06 22:46:19,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:46:19,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:46:19,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:46:19,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:46:19,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:46:19,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:19" (1/1) ... [2023-11-06 22:46:19,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5ac9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:19, skipping insertion in model container [2023-11-06 22:46:19,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:19" (1/1) ... [2023-11-06 22:46:19,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:46:19,318 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_e2431327-a286-443a-84aa-8c6d4113f579/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1245,1258] [2023-11-06 22:46:19,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:46:19,415 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:46:19,435 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_e2431327-a286-443a-84aa-8c6d4113f579/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1245,1258] [2023-11-06 22:46:19,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:46:19,474 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:46:19,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:19 WrapperNode [2023-11-06 22:46:19,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:46:19,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:46:19,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:46:19,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:46:19,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:19" (1/1) ... [2023-11-06 22:46:19,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:19" (1/1) ... [2023-11-06 22:46:19,520 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 146 [2023-11-06 22:46:19,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:46:19,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:46:19,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:46:19,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:46:19,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:19" (1/1) ... [2023-11-06 22:46:19,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:19" (1/1) ... [2023-11-06 22:46:19,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:19" (1/1) ... [2023-11-06 22:46:19,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:19" (1/1) ... [2023-11-06 22:46:19,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:19" (1/1) ... [2023-11-06 22:46:19,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:19" (1/1) ... [2023-11-06 22:46:19,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:19" (1/1) ... [2023-11-06 22:46:19,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:19" (1/1) ... [2023-11-06 22:46:19,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:46:19,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:46:19,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:46:19,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:46:19,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:19" (1/1) ... [2023-11-06 22:46:19,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:46:19,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:19,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:19,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:46:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:46:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:46:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:46:19,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:46:19,834 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:46:19,836 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:46:20,133 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:46:20,138 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:46:20,139 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:46:20,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:20 BoogieIcfgContainer [2023-11-06 22:46:20,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:46:20,144 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:46:20,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:46:20,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:46:20,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:46:19" (1/3) ... [2023-11-06 22:46:20,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3c157b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:46:20, skipping insertion in model container [2023-11-06 22:46:20,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:19" (2/3) ... [2023-11-06 22:46:20,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3c157b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:46:20, skipping insertion in model container [2023-11-06 22:46:20,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:20" (3/3) ... [2023-11-06 22:46:20,154 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b04.c [2023-11-06 22:46:20,174 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:46:20,175 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:46:20,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:46:20,241 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;@47ee42f5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:46:20,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:46:20,247 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 22:46:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 22:46:20,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:20,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:46:20,257 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:20,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:20,265 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 22:46:20,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:46:20,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1658358395] [2023-11-06 22:46:20,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:20,282 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 22:46:20,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:46:20,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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 22:46:20,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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 22:46:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:20,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:46:20,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:20,824 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 22:46:20,824 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:46:20,825 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:46:20,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1658358395] [2023-11-06 22:46:20,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1658358395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:20,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:20,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:46:20,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89575804] [2023-11-06 22:46:20,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:20,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:46:20,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:46:20,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:46:20,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:46:20,873 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 22:46:20,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:20,923 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 22:46:20,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:46:20,926 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 22:46:20,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:20,934 INFO L225 Difference]: With dead ends: 19 [2023-11-06 22:46:20,934 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 22:46:20,937 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 22:46:20,941 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:20,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:46:20,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 22:46:20,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 22:46:20,971 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 22:46:20,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 22:46:20,973 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 22:46:20,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:20,973 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 22:46:20,974 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 22:46:20,974 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 22:46:20,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:46:20,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:20,975 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:20,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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 22:46:21,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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 22:46:21,189 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:21,189 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:21,190 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 22:46:21,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:46:21,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348731091] [2023-11-06 22:46:21,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:21,191 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 22:46:21,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:46:21,192 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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 22:46:21,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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 22:46:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:21,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:46:21,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:21,623 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 22:46:21,624 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:46:21,952 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 22:46:21,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:46:21,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [348731091] [2023-11-06 22:46:21,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [348731091] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:46:21,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:46:21,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 22:46:21,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148695937] [2023-11-06 22:46:21,954 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:46:21,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:46:21,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:46:21,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:46:21,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:46:21,957 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 22:46:22,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:22,030 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 22:46:22,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:46:22,030 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 22:46:22,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:22,031 INFO L225 Difference]: With dead ends: 15 [2023-11-06 22:46:22,031 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 22:46:22,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:46:22,033 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:22,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 17 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:46:22,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 22:46:22,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-06 22:46:22,038 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 22:46:22,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-06 22:46:22,038 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-06 22:46:22,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:22,039 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-06 22:46:22,039 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 22:46:22,039 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-06 22:46:22,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:46:22,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:22,040 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-06 22:46:22,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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 22:46:22,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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 22:46:22,257 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:22,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:22,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-06 22:46:22,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:46:22,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75226021] [2023-11-06 22:46:22,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:46:22,259 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 22:46:22,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:46:22,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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 22:46:22,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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 22:46:22,383 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:46:22,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:46:22,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-06 22:46:22,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:22,796 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 22:46:22,796 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:46:23,351 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 22:46:23,351 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:46:23,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75226021] [2023-11-06 22:46:23,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [75226021] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:46:23,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:46:23,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-06 22:46:23,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297306195] [2023-11-06 22:46:23,360 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:46:23,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:46:23,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:46:23,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:46:23,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:46:23,366 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 22:46:23,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:23,550 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2023-11-06 22:46:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:46:23,551 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 22:46:23,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:23,552 INFO L225 Difference]: With dead ends: 13 [2023-11-06 22:46:23,552 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:46:23,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:46:23,554 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 9 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:23,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:46:23,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:46:23,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:46:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:46:23,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2023-11-06 22:46:23,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:23,556 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:46:23,557 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 22:46:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:46:23,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:46:23,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:46:23,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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 22:46:23,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/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 22:46:23,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:46:23,840 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:46:23,840 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 62 127) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (exists ((|ULTIMATE.start_main_~var_45_arg_1~0#1| (_ BitVec 8))) (let ((.cse0 ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_45_arg_1~0#1|)))) (and (= .cse0 |ULTIMATE.start_main_~state_17~0#1|) (= .cse0 |ULTIMATE.start_main_~state_9~0#1|)))) (= |ULTIMATE.start_main_~var_14~0#1| (_ bv1 32))) [2023-11-06 22:46:23,841 INFO L899 garLoopResultBuilder]: For program point L62-3(lines 62 127) no Hoare annotation was computed. [2023-11-06 22:46:23,841 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-06 22:46:23,841 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-06 22:46:23,841 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-06 22:46:23,841 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:46:23,841 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 23 129) the Hoare annotation is: false [2023-11-06 22:46:23,841 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:46:23,842 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:46:23,842 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-06 22:46:23,845 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-11-06 22:46:23,847 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:46:23,870 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_45_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_17~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_9~0) could not be translated [2023-11-06 22:46:23,873 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_45_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_17~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_9~0) could not be translated [2023-11-06 22:46:23,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:46:23 BoogieIcfgContainer [2023-11-06 22:46:23,875 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:46:23,880 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:46:23,880 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:46:23,880 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:46:23,881 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:20" (3/4) ... [2023-11-06 22:46:23,883 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:46:23,896 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-06 22:46:23,896 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-06 22:46:23,897 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:46:23,897 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:46:23,898 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:46:23,991 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:46:23,995 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:46:23,996 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:46:23,996 INFO L158 Benchmark]: Toolchain (without parser) took 4925.02ms. Allocated memory was 81.8MB in the beginning and 132.1MB in the end (delta: 50.3MB). Free memory was 58.2MB in the beginning and 55.3MB in the end (delta: 2.9MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2023-11-06 22:46:23,997 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory was 57.7MB in the beginning and 57.6MB in the end (delta: 143.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:46:23,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.64ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 45.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:46:23,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.78ms. Allocated memory is still 81.8MB. Free memory was 45.0MB in the beginning and 42.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:46:23,998 INFO L158 Benchmark]: Boogie Preprocessor took 32.56ms. Allocated memory is still 81.8MB. Free memory was 42.9MB in the beginning and 41.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:46:23,999 INFO L158 Benchmark]: RCFGBuilder took 587.22ms. Allocated memory is still 81.8MB. Free memory was 41.3MB in the beginning and 49.9MB in the end (delta: -8.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:46:24,000 INFO L158 Benchmark]: TraceAbstraction took 3731.45ms. Allocated memory was 81.8MB in the beginning and 132.1MB in the end (delta: 50.3MB). Free memory was 49.2MB in the beginning and 60.5MB in the end (delta: -11.3MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-11-06 22:46:24,000 INFO L158 Benchmark]: Witness Printer took 115.78ms. Allocated memory is still 132.1MB. Free memory was 59.5MB in the beginning and 55.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:46:24,003 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory was 57.7MB in the beginning and 57.6MB in the end (delta: 143.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.64ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 45.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.78ms. Allocated memory is still 81.8MB. Free memory was 45.0MB in the beginning and 42.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.56ms. Allocated memory is still 81.8MB. Free memory was 42.9MB in the beginning and 41.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 587.22ms. Allocated memory is still 81.8MB. Free memory was 41.3MB in the beginning and 49.9MB in the end (delta: -8.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3731.45ms. Allocated memory was 81.8MB in the beginning and 132.1MB in the end (delta: 50.3MB). Free memory was 49.2MB in the beginning and 60.5MB in the end (delta: -11.3MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * Witness Printer took 115.78ms. Allocated memory is still 132.1MB. Free memory was 59.5MB in the beginning and 55.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_45_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_17~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_9~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_45_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_17~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_9~0) could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 10 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 20 HoareAnnotationTreeSize, 2 FomulaSimplifications, 4 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 50 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 12 QuantifiedInterpolants, 839 SizeOfPredicates, 101 NumberOfNonLiveVariables, 333 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant [2023-11-06 22:46:24,013 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_45_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_17~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_9~0) could not be translated [2023-11-06 22:46:24,013 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_45_arg_1~0#1 : bv8 :: ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_17~0 && ~zero_extend~32~8(ULTIMATE.start_main_~var_45_arg_1~0#1)[7:0] == ~state_9~0) could not be translated Derived loop invariant: ((1 == mask_SORT_1) && (var_14 == 1)) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:46:24,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2431327-a286-443a-84aa-8c6d4113f579/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE