./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.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_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/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_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/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_c041fa27-1d33-477a-a45b-74a513596348/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 f74c0f64dd8b514a3fa45ba4f87a322c4df7984da96078fd039eb406238ea150 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:52:17,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:52:17,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:52:17,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:52:17,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:52:17,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:52:17,707 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:52:17,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:52:17,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:52:17,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:52:17,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:52:17,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:52:17,711 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:52:17,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:52:17,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:52:17,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:52:17,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:52:17,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:52:17,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:52:17,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:52:17,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:52:17,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:52:17,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:52:17,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:52:17,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:52:17,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:17,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:52:17,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:52:17,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:52:17,722 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:52:17,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:52:17,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:52:17,724 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:52:17,724 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:52:17,725 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:52:17,725 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:52:17,726 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_c041fa27-1d33-477a-a45b-74a513596348/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f74c0f64dd8b514a3fa45ba4f87a322c4df7984da96078fd039eb406238ea150 [2023-11-06 22:52:18,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:52:18,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:52:18,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:52:18,076 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:52:18,078 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:52:18,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c [2023-11-06 22:52:21,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:52:21,561 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:52:21,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c [2023-11-06 22:52:21,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/data/2b0a66daf/07fe68ce5eaf4d45be3968d413998927/FLAGd757e5b47 [2023-11-06 22:52:21,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/data/2b0a66daf/07fe68ce5eaf4d45be3968d413998927 [2023-11-06 22:52:21,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:52:21,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:52:21,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:21,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:52:21,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:52:21,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:21" (1/1) ... [2023-11-06 22:52:21,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78618f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:21, skipping insertion in model container [2023-11-06 22:52:21,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:21" (1/1) ... [2023-11-06 22:52:21,684 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:52:21,896 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_c041fa27-1d33-477a-a45b-74a513596348/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c[1175,1188] [2023-11-06 22:52:22,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:22,390 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:52:22,403 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_c041fa27-1d33-477a-a45b-74a513596348/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c[1175,1188] [2023-11-06 22:52:22,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:22,621 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:52:22,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:22 WrapperNode [2023-11-06 22:52:22,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:22,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:22,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:52:22,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:52:22,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:22" (1/1) ... [2023-11-06 22:52:22,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:22" (1/1) ... [2023-11-06 22:52:23,367 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5572 [2023-11-06 22:52:23,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:23,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:52:23,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:52:23,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:52:23,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:22" (1/1) ... [2023-11-06 22:52:23,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:22" (1/1) ... [2023-11-06 22:52:23,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:22" (1/1) ... [2023-11-06 22:52:23,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:22" (1/1) ... [2023-11-06 22:52:23,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:22" (1/1) ... [2023-11-06 22:52:23,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:22" (1/1) ... [2023-11-06 22:52:23,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:22" (1/1) ... [2023-11-06 22:52:23,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:22" (1/1) ... [2023-11-06 22:52:23,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:52:23,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:52:23,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:52:23,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:52:23,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:22" (1/1) ... [2023-11-06 22:52:23,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:23,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:23,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:52:23,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:52:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:52:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:52:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:52:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:52:24,504 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:52:24,506 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:52:29,335 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:52:29,354 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:52:29,355 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:52:29,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:29 BoogieIcfgContainer [2023-11-06 22:52:29,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:52:29,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:52:29,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:52:29,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:52:29,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:52:21" (1/3) ... [2023-11-06 22:52:29,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ddb078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:29, skipping insertion in model container [2023-11-06 22:52:29,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:22" (2/3) ... [2023-11-06 22:52:29,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ddb078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:29, skipping insertion in model container [2023-11-06 22:52:29,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:29" (3/3) ... [2023-11-06 22:52:29,369 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.3.prop1-func-interl.c [2023-11-06 22:52:29,390 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:52:29,390 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:52:29,479 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:52:29,487 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;@1f662ef5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:52:29,487 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:52:29,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 1300 states, 1298 states have (on average 1.6702619414483821) internal successors, (2168), 1299 states have internal predecessors, (2168), 0 states have call successors, (0), 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 22:52:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 22:52:29,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:29,509 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:29,510 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:29,515 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:29,516 INFO L85 PathProgramCache]: Analyzing trace with hash 131203596, now seen corresponding path program 1 times [2023-11-06 22:52:29,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:29,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899427444] [2023-11-06 22:52:29,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:29,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:30,402 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 22:52:30,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:30,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899427444] [2023-11-06 22:52:30,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899427444] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:30,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:30,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:52:30,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712414303] [2023-11-06 22:52:30,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:30,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:52:30,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:30,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:52:30,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:52:30,447 INFO L87 Difference]: Start difference. First operand has 1300 states, 1298 states have (on average 1.6702619414483821) internal successors, (2168), 1299 states have internal predecessors, (2168), 0 states have call successors, (0), 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 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 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 22:52:30,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:30,637 INFO L93 Difference]: Finished difference Result 2527 states and 4219 transitions. [2023-11-06 22:52:30,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:52:30,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-11-06 22:52:30,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:30,662 INFO L225 Difference]: With dead ends: 2527 [2023-11-06 22:52:30,662 INFO L226 Difference]: Without dead ends: 1298 [2023-11-06 22:52:30,669 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 22:52:30,673 INFO L413 NwaCegarLoop]: 2160 mSDtfsCounter, 1 mSDsluCounter, 4314 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6474 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:30,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6474 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:52:30,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2023-11-06 22:52:30,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 1298. [2023-11-06 22:52:30,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 1297 states have (on average 1.6684656900539707) internal successors, (2164), 1297 states have internal predecessors, (2164), 0 states have call successors, (0), 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 22:52:30,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 2164 transitions. [2023-11-06 22:52:30,826 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 2164 transitions. Word has length 79 [2023-11-06 22:52:30,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:30,827 INFO L495 AbstractCegarLoop]: Abstraction has 1298 states and 2164 transitions. [2023-11-06 22:52:30,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 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 22:52:30,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 2164 transitions. [2023-11-06 22:52:30,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:52:30,830 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:30,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:30,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:52:30,831 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:30,832 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:30,832 INFO L85 PathProgramCache]: Analyzing trace with hash -225930428, now seen corresponding path program 1 times [2023-11-06 22:52:30,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:30,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767490544] [2023-11-06 22:52:30,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:30,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:31,108 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 22:52:31,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:31,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767490544] [2023-11-06 22:52:31,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767490544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:31,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:31,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:52:31,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965869565] [2023-11-06 22:52:31,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:31,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:52:31,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:31,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:52:31,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:52:31,112 INFO L87 Difference]: Start difference. First operand 1298 states and 2164 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 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 22:52:31,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:31,194 INFO L93 Difference]: Finished difference Result 2528 states and 4215 transitions. [2023-11-06 22:52:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:52:31,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 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) Word has length 80 [2023-11-06 22:52:31,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:31,203 INFO L225 Difference]: With dead ends: 2528 [2023-11-06 22:52:31,203 INFO L226 Difference]: Without dead ends: 1301 [2023-11-06 22:52:31,205 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 22:52:31,207 INFO L413 NwaCegarLoop]: 2160 mSDtfsCounter, 1 mSDsluCounter, 4311 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6471 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 22:52:31,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6471 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:52:31,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2023-11-06 22:52:31,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 1300. [2023-11-06 22:52:31,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1300 states, 1299 states have (on average 1.6674364896073903) internal successors, (2166), 1299 states have internal predecessors, (2166), 0 states have call successors, (0), 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 22:52:31,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 2166 transitions. [2023-11-06 22:52:31,244 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 2166 transitions. Word has length 80 [2023-11-06 22:52:31,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:31,245 INFO L495 AbstractCegarLoop]: Abstraction has 1300 states and 2166 transitions. [2023-11-06 22:52:31,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 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 22:52:31,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 2166 transitions. [2023-11-06 22:52:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:52:31,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:31,247 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:31,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:52:31,248 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:31,248 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:31,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1375659302, now seen corresponding path program 1 times [2023-11-06 22:52:31,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:31,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298848446] [2023-11-06 22:52:31,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:31,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:31,497 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 22:52:31,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:31,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298848446] [2023-11-06 22:52:31,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298848446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:31,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:31,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:52:31,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999867668] [2023-11-06 22:52:31,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:31,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:52:31,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:31,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:52:31,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:52:31,500 INFO L87 Difference]: Start difference. First operand 1300 states and 2166 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 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 22:52:31,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:31,621 INFO L93 Difference]: Finished difference Result 3748 states and 6249 transitions. [2023-11-06 22:52:31,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:52:31,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2023-11-06 22:52:31,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:31,636 INFO L225 Difference]: With dead ends: 3748 [2023-11-06 22:52:31,636 INFO L226 Difference]: Without dead ends: 2519 [2023-11-06 22:52:31,639 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 22:52:31,640 INFO L413 NwaCegarLoop]: 2216 mSDtfsCounter, 2031 mSDsluCounter, 4363 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 6579 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:31,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2031 Valid, 6579 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:52:31,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2023-11-06 22:52:31,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 1302. [2023-11-06 22:52:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1302 states, 1301 states have (on average 1.6664104534973097) internal successors, (2168), 1301 states have internal predecessors, (2168), 0 states have call successors, (0), 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 22:52:31,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1302 states and 2168 transitions. [2023-11-06 22:52:31,685 INFO L78 Accepts]: Start accepts. Automaton has 1302 states and 2168 transitions. Word has length 81 [2023-11-06 22:52:31,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:31,686 INFO L495 AbstractCegarLoop]: Abstraction has 1302 states and 2168 transitions. [2023-11-06 22:52:31,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 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 22:52:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 2168 transitions. [2023-11-06 22:52:31,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-06 22:52:31,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:31,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:31,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:52:31,689 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:31,689 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:31,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1295672618, now seen corresponding path program 1 times [2023-11-06 22:52:31,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:31,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519408090] [2023-11-06 22:52:31,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:31,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:31,952 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 22:52:31,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:31,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519408090] [2023-11-06 22:52:31,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519408090] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:31,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:31,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:52:31,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104146897] [2023-11-06 22:52:31,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:31,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:52:31,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:31,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:52:31,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:52:31,955 INFO L87 Difference]: Start difference. First operand 1302 states and 2168 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:32,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:32,128 INFO L93 Difference]: Finished difference Result 3754 states and 6255 transitions. [2023-11-06 22:52:32,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:52:32,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-11-06 22:52:32,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:32,144 INFO L225 Difference]: With dead ends: 3754 [2023-11-06 22:52:32,144 INFO L226 Difference]: Without dead ends: 2523 [2023-11-06 22:52:32,148 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 22:52:32,152 INFO L413 NwaCegarLoop]: 2211 mSDtfsCounter, 2028 mSDsluCounter, 4358 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 6569 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:32,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 6569 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:52:32,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2023-11-06 22:52:32,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 1305. [2023-11-06 22:52:32,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1305 states, 1304 states have (on average 1.6664110429447854) internal successors, (2173), 1304 states have internal predecessors, (2173), 0 states have call successors, (0), 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 22:52:32,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 2173 transitions. [2023-11-06 22:52:32,198 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 2173 transitions. Word has length 82 [2023-11-06 22:52:32,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:32,198 INFO L495 AbstractCegarLoop]: Abstraction has 1305 states and 2173 transitions. [2023-11-06 22:52:32,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:32,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 2173 transitions. [2023-11-06 22:52:32,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:52:32,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:32,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:32,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:52:32,209 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:32,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:32,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1858817214, now seen corresponding path program 1 times [2023-11-06 22:52:32,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:32,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573956163] [2023-11-06 22:52:32,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:32,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:32,821 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 22:52:32,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:52:32,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573956163] [2023-11-06 22:52:32,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573956163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:32,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:32,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:52:32,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199963909] [2023-11-06 22:52:32,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:32,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:52:32,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:52:32,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:52:32,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:52:32,824 INFO L87 Difference]: Start difference. First operand 1305 states and 2173 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:35,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:35,093 INFO L93 Difference]: Finished difference Result 3775 states and 6287 transitions. [2023-11-06 22:52:35,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:52:35,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-11-06 22:52:35,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:35,107 INFO L225 Difference]: With dead ends: 3775 [2023-11-06 22:52:35,108 INFO L226 Difference]: Without dead ends: 2541 [2023-11-06 22:52:35,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:52:35,111 INFO L413 NwaCegarLoop]: 1711 mSDtfsCounter, 6128 mSDsluCounter, 5106 mSDsCounter, 0 mSdLazyCounter, 1983 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6128 SdHoareTripleChecker+Valid, 6817 SdHoareTripleChecker+Invalid, 1984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:35,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6128 Valid, 6817 Invalid, 1984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1983 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-06 22:52:35,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2541 states. [2023-11-06 22:52:35,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2541 to 1314. [2023-11-06 22:52:35,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1313 states have (on average 1.6633663366336633) internal successors, (2184), 1313 states have internal predecessors, (2184), 0 states have call successors, (0), 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 22:52:35,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 2184 transitions. [2023-11-06 22:52:35,156 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 2184 transitions. Word has length 83 [2023-11-06 22:52:35,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:35,156 INFO L495 AbstractCegarLoop]: Abstraction has 1314 states and 2184 transitions. [2023-11-06 22:52:35,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:52:35,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2184 transitions. [2023-11-06 22:52:35,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:52:35,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:35,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:52:35,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:52:35,158 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:35,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:35,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2043123072, now seen corresponding path program 1 times [2023-11-06 22:52:35,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:52:35,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057854785] [2023-11-06 22:52:35,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:35,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:52:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:52:35,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:52:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:52:35,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:52:35,450 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:52:35,451 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:52:35,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:52:35,456 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 22:52:35,460 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:52:35,563 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 22:52:35,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:52:35 BoogieIcfgContainer [2023-11-06 22:52:35,590 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:52:35,591 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:52:35,591 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:52:35,591 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:52:35,592 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:29" (3/4) ... [2023-11-06 22:52:35,594 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:52:35,595 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:52:35,596 INFO L158 Benchmark]: Toolchain (without parser) took 13999.70ms. Allocated memory was 148.9MB in the beginning and 572.5MB in the end (delta: 423.6MB). Free memory was 101.6MB in the beginning and 414.6MB in the end (delta: -313.0MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. [2023-11-06 22:52:35,596 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:52:35,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1024.23ms. Allocated memory is still 148.9MB. Free memory was 101.6MB in the beginning and 86.4MB in the end (delta: 15.2MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2023-11-06 22:52:35,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 744.95ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 86.4MB in the beginning and 93.9MB in the end (delta: -7.4MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. [2023-11-06 22:52:35,598 INFO L158 Benchmark]: Boogie Preprocessor took 535.38ms. Allocated memory is still 211.8MB. Free memory was 93.9MB in the beginning and 65.7MB in the end (delta: 28.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-06 22:52:35,598 INFO L158 Benchmark]: RCFGBuilder took 5454.56ms. Allocated memory was 211.8MB in the beginning and 572.5MB in the end (delta: 360.7MB). Free memory was 65.7MB in the beginning and 317.2MB in the end (delta: -251.5MB). Peak memory consumption was 159.4MB. Max. memory is 16.1GB. [2023-11-06 22:52:35,599 INFO L158 Benchmark]: TraceAbstraction took 6228.24ms. Allocated memory is still 572.5MB. Free memory was 317.2MB in the beginning and 414.6MB in the end (delta: -97.4MB). Peak memory consumption was 200.4MB. Max. memory is 16.1GB. [2023-11-06 22:52:35,599 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 572.5MB. Free memory is still 414.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:52:35,601 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1024.23ms. Allocated memory is still 148.9MB. Free memory was 101.6MB in the beginning and 86.4MB in the end (delta: 15.2MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 744.95ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 86.4MB in the beginning and 93.9MB in the end (delta: -7.4MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 535.38ms. Allocated memory is still 211.8MB. Free memory was 93.9MB in the beginning and 65.7MB in the end (delta: 28.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * RCFGBuilder took 5454.56ms. Allocated memory was 211.8MB in the beginning and 572.5MB in the end (delta: 360.7MB). Free memory was 65.7MB in the beginning and 317.2MB in the end (delta: -251.5MB). Peak memory consumption was 159.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6228.24ms. Allocated memory is still 572.5MB. Free memory was 317.2MB in the beginning and 414.6MB in the end (delta: -97.4MB). Peak memory consumption was 200.4MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 572.5MB. Free memory is still 414.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 194. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_20 = 0; [L40] const SORT_4 var_53 = 1; [L41] const SORT_4 var_54 = 0; [L42] const SORT_2 var_63 = 1; [L43] const SORT_3 var_65 = 0; [L44] const SORT_4 var_68 = 3; [L45] const SORT_2 var_78 = 0; [L46] const SORT_4 var_131 = 2; [L47] const SORT_2 var_242 = 2; [L49] SORT_1 input_64; [L50] SORT_1 input_72; [L51] SORT_1 input_79; [L52] SORT_1 input_85; [L53] SORT_1 input_91; [L54] SORT_1 input_97; [L55] SORT_1 input_151; [L56] SORT_1 input_155; [L57] SORT_1 input_158; [L58] SORT_1 input_159; [L59] SORT_1 input_160; [L60] SORT_1 input_161; [L61] SORT_1 input_169; [L62] SORT_1 input_175; [L63] SORT_1 input_181; [L64] SORT_1 input_196; [L65] SORT_1 input_214; [L66] SORT_1 input_232; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [__VERIFIER_nondet_uchar() & mask_SORT_2=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L68] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [__VERIFIER_nondet_uchar() & mask_SORT_2=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_6=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L69] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [__VERIFIER_nondet_uchar() & mask_SORT_2=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L70] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [__VERIFIER_nondet_uchar() & mask_SORT_2=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L71] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [__VERIFIER_nondet_uchar() & mask_SORT_2=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L72] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [__VERIFIER_nondet_uchar() & mask_SORT_2=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L73] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [__VERIFIER_nondet_uchar() & mask_SORT_2=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L74] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L75] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L76] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L77] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L78] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L79] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L80] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L81] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L82] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L83] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L84] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L85] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L86] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L87] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L88] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L89] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L90] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] SORT_2 init_7_arg_1 = var_5; [L93] state_6 = init_7_arg_1 [L94] SORT_2 init_9_arg_1 = var_5; [L95] state_8 = init_9_arg_1 [L96] SORT_2 init_11_arg_1 = var_5; [L97] state_10 = init_11_arg_1 [L98] SORT_2 init_13_arg_1 = var_5; [L99] state_12 = init_13_arg_1 [L100] SORT_2 init_15_arg_1 = var_5; [L101] state_14 = init_15_arg_1 [L102] SORT_2 init_17_arg_1 = var_5; [L103] state_16 = init_17_arg_1 [L104] SORT_2 init_19_arg_1 = var_5; [L105] state_18 = init_19_arg_1 [L106] SORT_1 init_22_arg_1 = var_20; [L107] state_21 = init_22_arg_1 [L108] SORT_1 init_24_arg_1 = var_20; [L109] state_23 = init_24_arg_1 [L110] SORT_1 init_26_arg_1 = var_20; [L111] state_25 = init_26_arg_1 [L112] SORT_1 init_28_arg_1 = var_20; [L113] state_27 = init_28_arg_1 [L114] SORT_1 init_30_arg_1 = var_20; [L115] state_29 = init_30_arg_1 [L116] SORT_1 init_32_arg_1 = var_20; [L117] state_31 = init_32_arg_1 [L118] SORT_1 init_34_arg_1 = var_20; [L119] state_33 = init_34_arg_1 [L120] SORT_1 init_36_arg_1 = var_20; [L121] state_35 = init_36_arg_1 [L122] SORT_1 init_38_arg_1 = var_20; [L123] state_37 = init_38_arg_1 [L124] SORT_1 init_40_arg_1 = var_20; [L125] state_39 = init_40_arg_1 [L126] SORT_1 init_42_arg_1 = var_20; [L127] state_41 = init_42_arg_1 [L128] SORT_1 init_44_arg_1 = var_20; [L129] state_43 = init_44_arg_1 [L130] SORT_1 init_46_arg_1 = var_20; [L131] state_45 = init_46_arg_1 [L132] SORT_1 init_48_arg_1 = var_20; [L133] state_47 = init_48_arg_1 [L134] SORT_1 init_50_arg_1 = var_20; [L135] state_49 = init_50_arg_1 [L136] SORT_1 init_52_arg_1 = var_20; [L137] state_51 = init_52_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L140] input_64 = __VERIFIER_nondet_uchar() [L141] input_72 = __VERIFIER_nondet_uchar() [L142] input_79 = __VERIFIER_nondet_uchar() [L143] input_85 = __VERIFIER_nondet_uchar() [L144] input_91 = __VERIFIER_nondet_uchar() [L145] input_97 = __VERIFIER_nondet_uchar() [L146] input_151 = __VERIFIER_nondet_uchar() [L147] EXPR input_151 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151 & mask_SORT_1=0, input_151=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L147] input_151 = input_151 & mask_SORT_1 [L148] input_155 = __VERIFIER_nondet_uchar() [L149] EXPR input_155 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155 & mask_SORT_1=0, input_155=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L149] input_155 = input_155 & mask_SORT_1 [L150] input_158 = __VERIFIER_nondet_uchar() [L151] EXPR input_158 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158 & mask_SORT_1=0, input_158=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L151] input_158 = input_158 & mask_SORT_1 [L152] input_159 = __VERIFIER_nondet_uchar() [L153] EXPR input_159 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158=0, input_159 & mask_SORT_1=0, input_159=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L153] input_159 = input_159 & mask_SORT_1 [L154] input_160 = __VERIFIER_nondet_uchar() [L155] EXPR input_160 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158=0, input_159=0, input_160 & mask_SORT_1=0, input_160=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L155] input_160 = input_160 & mask_SORT_1 [L156] input_161 = __VERIFIER_nondet_uchar() [L157] EXPR input_161 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161 & mask_SORT_1=0, input_161=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L157] input_161 = input_161 & mask_SORT_1 [L158] input_169 = __VERIFIER_nondet_uchar() [L159] EXPR input_169 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169 & mask_SORT_1=0, input_169=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L159] input_169 = input_169 & mask_SORT_1 [L160] input_175 = __VERIFIER_nondet_uchar() [L161] EXPR input_175 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175 & mask_SORT_1=0, input_175=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L161] input_175 = input_175 & mask_SORT_1 [L162] input_181 = __VERIFIER_nondet_uchar() [L163] EXPR input_181 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181 & mask_SORT_1=0, input_181=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L163] input_181 = input_181 & mask_SORT_1 [L164] input_196 = __VERIFIER_nondet_uchar() [L165] input_214 = __VERIFIER_nondet_uchar() [L166] input_232 = __VERIFIER_nondet_uchar() [L169] SORT_1 var_55_arg_0 = state_29; [L170] SORT_4 var_55_arg_1 = var_53; [L171] SORT_4 var_55_arg_2 = var_54; [L172] SORT_4 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L173] SORT_1 var_56_arg_0 = state_39; [L174] SORT_4 var_56_arg_1 = var_53; [L175] SORT_4 var_56_arg_2 = var_54; [L176] SORT_4 var_56 = var_56_arg_0 ? var_56_arg_1 : var_56_arg_2; [L177] SORT_4 var_57_arg_0 = var_55; [L178] SORT_4 var_57_arg_1 = var_56; [L179] SORT_4 var_57 = var_57_arg_0 + var_57_arg_1; [L180] SORT_1 var_58_arg_0 = state_49; [L181] SORT_4 var_58_arg_1 = var_53; [L182] SORT_4 var_58_arg_2 = var_54; [L183] SORT_4 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; [L184] SORT_4 var_59_arg_0 = var_57; [L185] SORT_4 var_59_arg_1 = var_58; [L186] SORT_4 var_59 = var_59_arg_0 + var_59_arg_1; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L187] EXPR var_59 & mask_SORT_4 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59 & mask_SORT_4=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0] [L187] var_59 = var_59 & mask_SORT_4 [L188] SORT_4 var_60_arg_0 = var_59; [L189] SORT_4 var_60_arg_1 = var_53; [L190] SORT_1 var_60 = var_60_arg_0 <= var_60_arg_1; [L191] SORT_1 var_61_arg_0 = ~state_51; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0=255, var_63=1, var_65=0, var_68=3, var_78=0] [L192] EXPR var_61_arg_0 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0 & mask_SORT_1=1, var_61_arg_0=255, var_63=1, var_65=0, var_68=3, var_78=0] [L192] var_61_arg_0 = var_61_arg_0 & mask_SORT_1 [L193] SORT_1 var_61_arg_1 = ~var_60; VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0=1, var_61_arg_1=254, var_63=1, var_65=0, var_68=3, var_78=0] [L194] EXPR var_61_arg_1 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0=1, var_61_arg_1 & mask_SORT_1=1, var_61_arg_1=254, var_63=1, var_65=0, var_68=3, var_78=0] [L194] var_61_arg_1 = var_61_arg_1 & mask_SORT_1 [L195] EXPR var_61_arg_0 & var_61_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0 & var_61_arg_1=1, var_61_arg_0=1, var_61_arg_1=1, var_63=1, var_65=0, var_68=3, var_78=0] [L195] SORT_1 var_61 = var_61_arg_0 & var_61_arg_1; [L196] EXPR var_61 & mask_SORT_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_6=0, state_8=0, var_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61 & mask_SORT_1=1, var_61=1, var_61_arg_0=1, var_61_arg_1=1, var_63=1, var_65=0, var_68=3, var_78=0] [L196] var_61 = var_61 & mask_SORT_1 [L197] SORT_1 bad_62_arg_0 = var_61; [L198] CALL __VERIFIER_assert(!(bad_62_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, 1300 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10189 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10189 mSDsluCounter, 32910 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22452 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2045 IncrementalHoareTripleChecker+Invalid, 2047 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10458 mSDtfsCounter, 2045 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1314occurred in iteration=5, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 3663 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 488 NumberOfCodeBlocks, 488 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 400 ConstructedInterpolants, 0 QuantifiedInterpolants, 870 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:52:35,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/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_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/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_c041fa27-1d33-477a-a45b-74a513596348/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 f74c0f64dd8b514a3fa45ba4f87a322c4df7984da96078fd039eb406238ea150 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:52:38,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:52:38,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 22:52:38,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:52:38,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:52:38,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:52:38,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:52:38,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:52:38,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:52:38,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:52:38,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:52:38,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:52:38,438 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:52:38,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:52:38,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:52:38,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:52:38,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:52:38,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:52:38,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:52:38,444 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:52:38,444 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:52:38,445 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:52:38,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:52:38,446 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:52:38,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:52:38,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:52:38,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:52:38,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:38,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:52:38,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:52:38,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:52:38,451 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:52:38,451 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:52:38,451 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:52:38,452 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:52:38,452 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:52:38,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:52:38,453 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:52:38,453 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:52:38,454 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_c041fa27-1d33-477a-a45b-74a513596348/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f74c0f64dd8b514a3fa45ba4f87a322c4df7984da96078fd039eb406238ea150 [2023-11-06 22:52:38,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:52:38,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:52:38,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:52:38,928 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:52:38,929 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:52:38,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c [2023-11-06 22:52:42,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:52:42,560 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:52:42,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c [2023-11-06 22:52:42,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/data/cdd7c8b2f/d0ee92c5f3374c829c87884b10075f81/FLAGc75022324 [2023-11-06 22:52:42,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/data/cdd7c8b2f/d0ee92c5f3374c829c87884b10075f81 [2023-11-06 22:52:42,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:52:42,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:52:42,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:42,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:52:42,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:52:42,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:42" (1/1) ... [2023-11-06 22:52:42,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c329d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:42, skipping insertion in model container [2023-11-06 22:52:42,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:52:42" (1/1) ... [2023-11-06 22:52:42,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:52:42,928 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_c041fa27-1d33-477a-a45b-74a513596348/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c[1175,1188] [2023-11-06 22:52:43,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:43,328 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:52:43,341 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_c041fa27-1d33-477a-a45b-74a513596348/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c[1175,1188] [2023-11-06 22:52:43,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:52:43,500 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:52:43,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:43 WrapperNode [2023-11-06 22:52:43,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:52:43,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:43,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:52:43,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:52:43,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:43" (1/1) ... [2023-11-06 22:52:43,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:43" (1/1) ... [2023-11-06 22:52:43,706 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1435 [2023-11-06 22:52:43,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:52:43,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:52:43,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:52:43,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:52:43,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:43" (1/1) ... [2023-11-06 22:52:43,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:43" (1/1) ... [2023-11-06 22:52:43,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:43" (1/1) ... [2023-11-06 22:52:43,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:43" (1/1) ... [2023-11-06 22:52:43,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:43" (1/1) ... [2023-11-06 22:52:43,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:43" (1/1) ... [2023-11-06 22:52:43,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:43" (1/1) ... [2023-11-06 22:52:43,798 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:43" (1/1) ... [2023-11-06 22:52:43,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:52:43,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:52:43,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:52:43,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:52:43,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:43" (1/1) ... [2023-11-06 22:52:43,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:52:43,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:52:43,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:52:43,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:52:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:52:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:52:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:52:43,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:52:44,262 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:52:44,264 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:52:48,993 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:52:48,999 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:52:48,999 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:52:49,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:49 BoogieIcfgContainer [2023-11-06 22:52:49,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:52:49,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:52:49,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:52:49,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:52:49,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:52:42" (1/3) ... [2023-11-06 22:52:49,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9a90f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:49, skipping insertion in model container [2023-11-06 22:52:49,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:52:43" (2/3) ... [2023-11-06 22:52:49,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9a90f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:52:49, skipping insertion in model container [2023-11-06 22:52:49,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:52:49" (3/3) ... [2023-11-06 22:52:49,014 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.3.prop1-func-interl.c [2023-11-06 22:52:49,033 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:52:49,033 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:52:49,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:52:49,100 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;@5001f88b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:52:49,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:52:49,105 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 22:52:49,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 22:52:49,111 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:49,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:52:49,112 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:49,117 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:49,118 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 22:52:49,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:49,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198481894] [2023-11-06 22:52:49,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:49,137 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 22:52:49,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:49,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/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 22:52:49,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/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 22:52:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:49,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-06 22:52:49,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:50,062 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 22:52:50,063 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:52:50,063 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:52:50,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198481894] [2023-11-06 22:52:50,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198481894] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:52:50,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:52:50,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:52:50,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111922589] [2023-11-06 22:52:50,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:52:50,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:52:50,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:52:50,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:52:50,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:52:50,103 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 22:52:50,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:52:50,968 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 22:52:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:52:50,971 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 22:52:50,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:52:50,976 INFO L225 Difference]: With dead ends: 19 [2023-11-06 22:52:50,976 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 22:52:50,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 22:52:50,983 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:52:50,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:52:51,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 22:52:51,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 22:52:51,014 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 22:52:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 22:52:51,016 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 22:52:51,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:52:51,017 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 22:52:51,017 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 22:52:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 22:52:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:52:51,018 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:52:51,018 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:52:51,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/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 22:52:51,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/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 22:52:51,232 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:52:51,232 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:52:51,232 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 22:52:51,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:52:51,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19320652] [2023-11-06 22:52:51,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:52:51,236 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 22:52:51,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:52:51,238 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/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 22:52:51,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/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 22:52:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:52:53,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 111 conjunts are in the unsatisfiable core [2023-11-06 22:52:53,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:52:55,330 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 22:52:55,331 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:53:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:01,042 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:53:01,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19320652] [2023-11-06 22:53:01,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19320652] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:53:01,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:53:01,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 22:53:01,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428578755] [2023-11-06 22:53:01,043 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:53:01,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:53:01,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:53:01,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:53:01,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=38, Unknown=1, NotChecked=0, Total=56 [2023-11-06 22:53:01,046 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:03,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:53:06,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-11-06 22:53:06,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:06,428 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 22:53:06,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:53:06,429 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-06 22:53:06,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:06,429 INFO L225 Difference]: With dead ends: 15 [2023-11-06 22:53:06,430 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 22:53:06,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=39, Invalid=70, Unknown=1, NotChecked=0, Total=110 [2023-11-06 22:53:06,432 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:06,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 17 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2023-11-06 22:53:06,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 22:53:06,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-06 22:53:06,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:06,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-06 22:53:06,438 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-06 22:53:06,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:06,439 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-06 22:53:06,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:53:06,439 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-06 22:53:06,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:53:06,440 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:06,440 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-06 22:53:06,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:53:06,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:53:06,662 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:06,663 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:06,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-06 22:53:06,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:53:06,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130135736] [2023-11-06 22:53:06,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:53:06,672 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:53:06,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:53:06,673 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:53:06,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:53:10,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:53:10,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:53:10,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 2298 conjuncts, 195 conjunts are in the unsatisfiable core [2023-11-06 22:53:10,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:17,346 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:17,347 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:53:30,920 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 22:53:30,921 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:53:30,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130135736] [2023-11-06 22:53:30,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1130135736] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:53:30,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:53:30,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-06 22:53:30,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856751719] [2023-11-06 22:53:30,926 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:53:30,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:53:30,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:53:30,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:53:30,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=63, Unknown=3, NotChecked=0, Total=90 [2023-11-06 22:53:30,928 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 22:53:35,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:53:50,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-11-06 22:53:53,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:54:00,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:54:02,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:54:02,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:02,316 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-11-06 22:54:02,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:54:02,317 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-06 22:54:02,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:02,317 INFO L225 Difference]: With dead ends: 18 [2023-11-06 22:54:02,318 INFO L226 Difference]: Without dead ends: 16 [2023-11-06 22:54:02,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 31.7s TimeCoverageRelationStatistics Valid=64, Invalid=136, Unknown=10, NotChecked=0, Total=210 [2023-11-06 22:54:02,320 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:02,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 24 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 12.6s Time] [2023-11-06 22:54:02,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-06 22:54:02,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-06 22:54:02,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:54:02,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-06 22:54:02,332 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2023-11-06 22:54:02,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:02,332 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-06 22:54:02,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:54:02,333 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-06 22:54:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:54:02,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:02,334 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2023-11-06 22:54:02,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:02,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:54:02,550 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:02,551 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:02,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2023-11-06 22:54:02,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:54:02,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204335934] [2023-11-06 22:54:02,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 22:54:02,554 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:54:02,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:54:02,556 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:54:02,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c041fa27-1d33-477a-a45b-74a513596348/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 22:54:11,667 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-06 22:54:11,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:54:11,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 3390 conjuncts, 375 conjunts are in the unsatisfiable core [2023-11-06 22:54:11,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 5 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:30,251 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:55:21,495 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:55:21,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:55:21,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204335934] [2023-11-06 22:55:21,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204335934] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:55:21,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:55:21,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-06 22:55:21,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599635157] [2023-11-06 22:55:21,497 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:55:21,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:55:21,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:55:21,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:55:21,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=95, Unknown=10, NotChecked=0, Total=132 [2023-11-06 22:55:21,499 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 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 22:55:27,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:55:29,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-11-06 22:55:45,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-11-06 22:55:51,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-11-06 22:55:53,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:55:55,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2023-11-06 22:56:21,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]