./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a17878a5128bf705eaf3e8cc839ad0f7d5b7dcfdf1e66ee241171f7fff28965b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:25:14,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:25:14,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:25:14,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:25:14,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:25:14,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:25:14,724 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:25:14,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:25:14,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:25:14,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:25:14,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:25:14,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:25:14,728 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:25:14,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:25:14,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:25:14,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:25:14,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:25:14,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:25:14,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:25:14,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:25:14,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:25:14,734 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:25:14,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:25:14,735 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:25:14,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:25:14,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:25:14,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:25:14,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:25:14,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:25:14,738 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:25:14,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:25:14,739 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:25:14,740 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:25:14,740 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:25:14,741 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:25:14,742 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:25:14,742 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_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17878a5128bf705eaf3e8cc839ad0f7d5b7dcfdf1e66ee241171f7fff28965b [2023-11-12 02:25:15,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:25:15,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:25:15,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:25:15,069 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:25:15,070 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:25:15,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c [2023-11-12 02:25:18,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:25:18,610 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:25:18,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c [2023-11-12 02:25:18,631 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/data/5b052f427/201b4a7e688f471eb57108de1e51934c/FLAG261d93bd5 [2023-11-12 02:25:18,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/data/5b052f427/201b4a7e688f471eb57108de1e51934c [2023-11-12 02:25:18,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:25:18,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:25:18,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:25:18,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:25:18,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:25:18,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:25:18" (1/1) ... [2023-11-12 02:25:18,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8604ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:18, skipping insertion in model container [2023-11-12 02:25:18,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:25:18" (1/1) ... [2023-11-12 02:25:18,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:25:18,925 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_f0dd19ed-6ad8-4623-b063-c6c265b5676e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c[1244,1257] [2023-11-12 02:25:19,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:25:19,034 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:25:19,049 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_f0dd19ed-6ad8-4623-b063-c6c265b5676e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c[1244,1257] [2023-11-12 02:25:19,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:25:19,139 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:25:19,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:19 WrapperNode [2023-11-12 02:25:19,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:25:19,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:25:19,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:25:19,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:25:19,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:19" (1/1) ... [2023-11-12 02:25:19,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:19" (1/1) ... [2023-11-12 02:25:19,298 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 673 [2023-11-12 02:25:19,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:25:19,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:25:19,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:25:19,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:25:19,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:19" (1/1) ... [2023-11-12 02:25:19,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:19" (1/1) ... [2023-11-12 02:25:19,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:19" (1/1) ... [2023-11-12 02:25:19,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:19" (1/1) ... [2023-11-12 02:25:19,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:19" (1/1) ... [2023-11-12 02:25:19,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:19" (1/1) ... [2023-11-12 02:25:19,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:19" (1/1) ... [2023-11-12 02:25:19,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:19" (1/1) ... [2023-11-12 02:25:19,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:25:19,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:25:19,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:25:19,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:25:19,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:19" (1/1) ... [2023-11-12 02:25:19,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:25:19,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:25:19,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:25:19,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:25:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:25:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:25:19,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:25:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:25:19,782 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:25:19,785 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:25:20,886 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:25:20,897 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:25:20,898 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:25:20,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:20 BoogieIcfgContainer [2023-11-12 02:25:20,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:25:20,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:25:20,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:25:20,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:25:20,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:25:18" (1/3) ... [2023-11-12 02:25:20,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae71c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:25:20, skipping insertion in model container [2023-11-12 02:25:20,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:19" (2/3) ... [2023-11-12 02:25:20,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ae71c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:25:20, skipping insertion in model container [2023-11-12 02:25:20,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:20" (3/3) ... [2023-11-12 02:25:20,922 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul4.c [2023-11-12 02:25:20,943 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:25:20,943 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:25:21,001 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:25:21,008 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4bdcea7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:25:21,009 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:25:21,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 138 states have (on average 1.6521739130434783) internal successors, (228), 139 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:21,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-12 02:25:21,027 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:21,028 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] [2023-11-12 02:25:21,028 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:21,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:21,035 INFO L85 PathProgramCache]: Analyzing trace with hash 355192503, now seen corresponding path program 1 times [2023-11-12 02:25:21,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:21,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865604795] [2023-11-12 02:25:21,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:21,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:22,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:22,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:22,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865604795] [2023-11-12 02:25:22,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865604795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:22,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:22,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:25:22,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380088179] [2023-11-12 02:25:22,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:22,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:25:22,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:22,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:25:22,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:25:22,102 INFO L87 Difference]: Start difference. First operand has 140 states, 138 states have (on average 1.6521739130434783) internal successors, (228), 139 states have internal predecessors, (228), 0 states have call successors, (0), 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 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:22,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:22,166 INFO L93 Difference]: Finished difference Result 228 states and 374 transitions. [2023-11-12 02:25:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:25:22,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-11-12 02:25:22,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:22,180 INFO L225 Difference]: With dead ends: 228 [2023-11-12 02:25:22,181 INFO L226 Difference]: Without dead ends: 138 [2023-11-12 02:25:22,184 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 [2023-11-12 02:25:22,188 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 1 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:22,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 654 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:25:22,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-12 02:25:22,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2023-11-12 02:25:22,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.635036496350365) internal successors, (224), 137 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 224 transitions. [2023-11-12 02:25:22,238 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 224 transitions. Word has length 65 [2023-11-12 02:25:22,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:22,239 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 224 transitions. [2023-11-12 02:25:22,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:22,240 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 224 transitions. [2023-11-12 02:25:22,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-12 02:25:22,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:22,244 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] [2023-11-12 02:25:22,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:25:22,244 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:22,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:22,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1872149405, now seen corresponding path program 1 times [2023-11-12 02:25:22,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:22,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156261341] [2023-11-12 02:25:22,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:22,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:22,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:22,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156261341] [2023-11-12 02:25:22,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156261341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:22,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:22,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:25:22,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201641363] [2023-11-12 02:25:22,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:22,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:25:22,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:22,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:25:22,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:25:22,709 INFO L87 Difference]: Start difference. First operand 138 states and 224 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:22,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:22,773 INFO L93 Difference]: Finished difference Result 229 states and 370 transitions. [2023-11-12 02:25:22,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:25:22,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2023-11-12 02:25:22,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:22,777 INFO L225 Difference]: With dead ends: 229 [2023-11-12 02:25:22,781 INFO L226 Difference]: Without dead ends: 141 [2023-11-12 02:25:22,782 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 [2023-11-12 02:25:22,785 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 1 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 651 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 [2023-11-12 02:25:22,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 651 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:25:22,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-12 02:25:22,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 140. [2023-11-12 02:25:22,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.6258992805755397) internal successors, (226), 139 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 226 transitions. [2023-11-12 02:25:22,815 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 226 transitions. Word has length 66 [2023-11-12 02:25:22,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:22,818 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 226 transitions. [2023-11-12 02:25:22,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:22,818 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 226 transitions. [2023-11-12 02:25:22,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-12 02:25:22,829 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:22,829 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] [2023-11-12 02:25:22,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:25:22,830 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:22,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:22,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1880691023, now seen corresponding path program 1 times [2023-11-12 02:25:22,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:22,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919822813] [2023-11-12 02:25:22,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:22,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:23,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:23,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919822813] [2023-11-12 02:25:23,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919822813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:23,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:23,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:25:23,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511876149] [2023-11-12 02:25:23,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:23,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:25:23,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:23,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:25:23,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:25:23,425 INFO L87 Difference]: Start difference. First operand 140 states and 226 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:23,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:23,507 INFO L93 Difference]: Finished difference Result 320 states and 514 transitions. [2023-11-12 02:25:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:25:23,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2023-11-12 02:25:23,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:23,512 INFO L225 Difference]: With dead ends: 320 [2023-11-12 02:25:23,513 INFO L226 Difference]: Without dead ends: 230 [2023-11-12 02:25:23,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:25:23,516 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 378 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:23,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 768 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:25:23,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2023-11-12 02:25:23,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 143. [2023-11-12 02:25:23,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.6126760563380282) internal successors, (229), 142 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:23,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 229 transitions. [2023-11-12 02:25:23,535 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 229 transitions. Word has length 67 [2023-11-12 02:25:23,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:23,536 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 229 transitions. [2023-11-12 02:25:23,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:23,541 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 229 transitions. [2023-11-12 02:25:23,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-12 02:25:23,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:23,545 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] [2023-11-12 02:25:23,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:25:23,547 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:23,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:23,555 INFO L85 PathProgramCache]: Analyzing trace with hash -639268911, now seen corresponding path program 1 times [2023-11-12 02:25:23,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:23,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629351522] [2023-11-12 02:25:23,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:23,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:24,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:24,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629351522] [2023-11-12 02:25:24,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629351522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:24,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:24,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:25:24,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864879380] [2023-11-12 02:25:24,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:24,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:25:24,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:24,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:25:24,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:25:24,436 INFO L87 Difference]: Start difference. First operand 143 states and 229 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:24,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:24,999 INFO L93 Difference]: Finished difference Result 274 states and 438 transitions. [2023-11-12 02:25:24,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:25:25,000 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2023-11-12 02:25:25,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:25,006 INFO L225 Difference]: With dead ends: 274 [2023-11-12 02:25:25,006 INFO L226 Difference]: Without dead ends: 181 [2023-11-12 02:25:25,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:25:25,017 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 303 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:25,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 661 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:25:25,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-12 02:25:25,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 143. [2023-11-12 02:25:25,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.6056338028169015) internal successors, (228), 142 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:25,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 228 transitions. [2023-11-12 02:25:25,052 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 228 transitions. Word has length 67 [2023-11-12 02:25:25,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:25,053 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 228 transitions. [2023-11-12 02:25:25,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:25,054 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 228 transitions. [2023-11-12 02:25:25,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-12 02:25:25,055 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:25,056 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] [2023-11-12 02:25:25,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:25:25,056 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:25,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:25,057 INFO L85 PathProgramCache]: Analyzing trace with hash -639328493, now seen corresponding path program 1 times [2023-11-12 02:25:25,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:25,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860018567] [2023-11-12 02:25:25,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:25,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:26,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:26,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860018567] [2023-11-12 02:25:26,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860018567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:26,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:26,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-12 02:25:26,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750134240] [2023-11-12 02:25:26,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:26,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:25:26,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:26,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:25:26,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:25:26,214 INFO L87 Difference]: Start difference. First operand 143 states and 228 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:26,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:26,756 INFO L93 Difference]: Finished difference Result 638 states and 1000 transitions. [2023-11-12 02:25:26,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-12 02:25:26,757 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2023-11-12 02:25:26,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:26,761 INFO L225 Difference]: With dead ends: 638 [2023-11-12 02:25:26,761 INFO L226 Difference]: Without dead ends: 545 [2023-11-12 02:25:26,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2023-11-12 02:25:26,763 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 1352 mSDsluCounter, 1698 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1352 SdHoareTripleChecker+Valid, 1949 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:26,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1352 Valid, 1949 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:25:26,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2023-11-12 02:25:26,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 151. [2023-11-12 02:25:26,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.5933333333333333) internal successors, (239), 150 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:26,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 239 transitions. [2023-11-12 02:25:26,786 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 239 transitions. Word has length 67 [2023-11-12 02:25:26,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:26,786 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 239 transitions. [2023-11-12 02:25:26,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:26,787 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 239 transitions. [2023-11-12 02:25:26,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-12 02:25:26,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:26,788 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] [2023-11-12 02:25:26,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:25:26,789 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:26,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:26,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1173004993, now seen corresponding path program 1 times [2023-11-12 02:25:26,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:26,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14556995] [2023-11-12 02:25:26,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:26,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:27,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:27,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:27,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14556995] [2023-11-12 02:25:27,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14556995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:27,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:27,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-12 02:25:27,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718390851] [2023-11-12 02:25:27,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:27,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:25:27,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:27,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:25:27,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:25:27,886 INFO L87 Difference]: Start difference. First operand 151 states and 239 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:28,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:28,451 INFO L93 Difference]: Finished difference Result 705 states and 1098 transitions. [2023-11-12 02:25:28,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-12 02:25:28,452 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-12 02:25:28,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:28,456 INFO L225 Difference]: With dead ends: 705 [2023-11-12 02:25:28,456 INFO L226 Difference]: Without dead ends: 604 [2023-11-12 02:25:28,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=188, Invalid=514, Unknown=0, NotChecked=0, Total=702 [2023-11-12 02:25:28,458 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 1213 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 2205 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:28,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 2205 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:25:28,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2023-11-12 02:25:28,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 157. [2023-11-12 02:25:28,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 1.5833333333333333) internal successors, (247), 156 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:28,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 247 transitions. [2023-11-12 02:25:28,470 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 247 transitions. Word has length 68 [2023-11-12 02:25:28,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:28,470 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 247 transitions. [2023-11-12 02:25:28,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:28,471 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 247 transitions. [2023-11-12 02:25:28,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-12 02:25:28,472 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:28,472 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] [2023-11-12 02:25:28,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:25:28,472 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:28,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:28,473 INFO L85 PathProgramCache]: Analyzing trace with hash 2100893949, now seen corresponding path program 1 times [2023-11-12 02:25:28,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:28,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796145718] [2023-11-12 02:25:28,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:28,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:29,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:29,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796145718] [2023-11-12 02:25:29,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796145718] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:29,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:29,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:25:29,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542144893] [2023-11-12 02:25:29,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:29,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:25:29,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:29,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:25:29,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:25:29,130 INFO L87 Difference]: Start difference. First operand 157 states and 247 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:29,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:29,191 INFO L93 Difference]: Finished difference Result 392 states and 612 transitions. [2023-11-12 02:25:29,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:25:29,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-12 02:25:29,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:29,194 INFO L225 Difference]: With dead ends: 392 [2023-11-12 02:25:29,194 INFO L226 Difference]: Without dead ends: 285 [2023-11-12 02:25:29,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:25:29,195 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 647 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:29,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 630 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:25:29,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2023-11-12 02:25:29,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 157. [2023-11-12 02:25:29,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 1.5769230769230769) internal successors, (246), 156 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:29,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 246 transitions. [2023-11-12 02:25:29,204 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 246 transitions. Word has length 68 [2023-11-12 02:25:29,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:29,204 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 246 transitions. [2023-11-12 02:25:29,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 246 transitions. [2023-11-12 02:25:29,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-12 02:25:29,205 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:29,205 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] [2023-11-12 02:25:29,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:25:29,206 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:29,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:29,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1207430373, now seen corresponding path program 1 times [2023-11-12 02:25:29,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:29,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801535772] [2023-11-12 02:25:29,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:29,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:29,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:29,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801535772] [2023-11-12 02:25:29,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801535772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:29,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:29,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:25:29,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441520936] [2023-11-12 02:25:29,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:29,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:25:29,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:29,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:25:29,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:25:29,600 INFO L87 Difference]: Start difference. First operand 157 states and 246 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:29,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:29,781 INFO L93 Difference]: Finished difference Result 370 states and 572 transitions. [2023-11-12 02:25:29,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:25:29,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-12 02:25:29,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:29,784 INFO L225 Difference]: With dead ends: 370 [2023-11-12 02:25:29,784 INFO L226 Difference]: Without dead ends: 263 [2023-11-12 02:25:29,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:25:29,785 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 428 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:29,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 792 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:25:29,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2023-11-12 02:25:29,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 186. [2023-11-12 02:25:29,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.572972972972973) internal successors, (291), 185 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:29,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 291 transitions. [2023-11-12 02:25:29,799 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 291 transitions. Word has length 68 [2023-11-12 02:25:29,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:29,799 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 291 transitions. [2023-11-12 02:25:29,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:29,800 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 291 transitions. [2023-11-12 02:25:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-12 02:25:29,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:29,801 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] [2023-11-12 02:25:29,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:25:29,801 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:29,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:29,802 INFO L85 PathProgramCache]: Analyzing trace with hash -411751669, now seen corresponding path program 1 times [2023-11-12 02:25:29,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:29,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884422272] [2023-11-12 02:25:29,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:29,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:30,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:30,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:30,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884422272] [2023-11-12 02:25:30,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884422272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:30,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:30,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:25:30,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523894664] [2023-11-12 02:25:30,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:30,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:25:30,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:30,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:25:30,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:25:30,207 INFO L87 Difference]: Start difference. First operand 186 states and 291 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:30,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:30,377 INFO L93 Difference]: Finished difference Result 372 states and 572 transitions. [2023-11-12 02:25:30,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:25:30,378 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-12 02:25:30,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:30,380 INFO L225 Difference]: With dead ends: 372 [2023-11-12 02:25:30,380 INFO L226 Difference]: Without dead ends: 262 [2023-11-12 02:25:30,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:25:30,382 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 307 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:30,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 797 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:25:30,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-11-12 02:25:30,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 185. [2023-11-12 02:25:30,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 184 states have (on average 1.559782608695652) internal successors, (287), 184 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:30,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 287 transitions. [2023-11-12 02:25:30,396 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 287 transitions. Word has length 68 [2023-11-12 02:25:30,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:30,397 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 287 transitions. [2023-11-12 02:25:30,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:30,397 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 287 transitions. [2023-11-12 02:25:30,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-12 02:25:30,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:30,399 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] [2023-11-12 02:25:30,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-12 02:25:30,399 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:30,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:30,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1448678161, now seen corresponding path program 1 times [2023-11-12 02:25:30,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:30,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063502129] [2023-11-12 02:25:30,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:30,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:30,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:30,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:30,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063502129] [2023-11-12 02:25:30,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063502129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:30,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:30,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:25:30,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96310747] [2023-11-12 02:25:30,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:30,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:25:30,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:30,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:25:30,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:25:30,802 INFO L87 Difference]: Start difference. First operand 185 states and 287 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:30,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:30,890 INFO L93 Difference]: Finished difference Result 373 states and 570 transitions. [2023-11-12 02:25:30,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:25:30,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-12 02:25:30,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:30,893 INFO L225 Difference]: With dead ends: 373 [2023-11-12 02:25:30,893 INFO L226 Difference]: Without dead ends: 261 [2023-11-12 02:25:30,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:25:30,895 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 435 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:30,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 636 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:25:30,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2023-11-12 02:25:30,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 184. [2023-11-12 02:25:30,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.546448087431694) internal successors, (283), 183 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:30,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 283 transitions. [2023-11-12 02:25:30,910 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 283 transitions. Word has length 68 [2023-11-12 02:25:30,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:30,911 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 283 transitions. [2023-11-12 02:25:30,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:30,911 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 283 transitions. [2023-11-12 02:25:30,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-12 02:25:30,912 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:30,912 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] [2023-11-12 02:25:30,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-12 02:25:30,913 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:30,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:30,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1587465513, now seen corresponding path program 1 times [2023-11-12 02:25:30,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:30,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521747215] [2023-11-12 02:25:30,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:30,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:31,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:31,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:31,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521747215] [2023-11-12 02:25:31,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521747215] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:31,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:31,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:25:31,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420361894] [2023-11-12 02:25:31,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:31,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:25:31,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:31,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:25:31,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:25:31,348 INFO L87 Difference]: Start difference. First operand 184 states and 283 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:31,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:31,413 INFO L93 Difference]: Finished difference Result 364 states and 556 transitions. [2023-11-12 02:25:31,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:25:31,414 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-12 02:25:31,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:31,416 INFO L225 Difference]: With dead ends: 364 [2023-11-12 02:25:31,417 INFO L226 Difference]: Without dead ends: 250 [2023-11-12 02:25:31,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:25:31,418 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 420 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:31,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 635 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:25:31,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-12 02:25:31,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 177. [2023-11-12 02:25:31,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 176 states have (on average 1.5568181818181819) internal successors, (274), 176 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:31,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 274 transitions. [2023-11-12 02:25:31,430 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 274 transitions. Word has length 68 [2023-11-12 02:25:31,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:31,430 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 274 transitions. [2023-11-12 02:25:31,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:31,431 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 274 transitions. [2023-11-12 02:25:31,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-12 02:25:31,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:31,432 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] [2023-11-12 02:25:31,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-12 02:25:31,432 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:31,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:31,433 INFO L85 PathProgramCache]: Analyzing trace with hash 405837343, now seen corresponding path program 1 times [2023-11-12 02:25:31,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:31,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539446774] [2023-11-12 02:25:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:31,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:32,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:32,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:32,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539446774] [2023-11-12 02:25:32,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539446774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:32,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:32,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:25:32,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992550643] [2023-11-12 02:25:32,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:32,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:25:32,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:32,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:25:32,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:25:32,104 INFO L87 Difference]: Start difference. First operand 177 states and 274 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:32,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:32,475 INFO L93 Difference]: Finished difference Result 300 states and 461 transitions. [2023-11-12 02:25:32,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-12 02:25:32,476 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2023-11-12 02:25:32,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:32,478 INFO L225 Difference]: With dead ends: 300 [2023-11-12 02:25:32,478 INFO L226 Difference]: Without dead ends: 193 [2023-11-12 02:25:32,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-11-12 02:25:32,479 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 692 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:32,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 1183 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:25:32,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-11-12 02:25:32,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 172. [2023-11-12 02:25:32,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.5614035087719298) internal successors, (267), 171 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:32,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 267 transitions. [2023-11-12 02:25:32,493 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 267 transitions. Word has length 69 [2023-11-12 02:25:32,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:32,493 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 267 transitions. [2023-11-12 02:25:32,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:32,494 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 267 transitions. [2023-11-12 02:25:32,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-12 02:25:32,495 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:32,495 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] [2023-11-12 02:25:32,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-12 02:25:32,496 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:32,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:32,496 INFO L85 PathProgramCache]: Analyzing trace with hash -2114122591, now seen corresponding path program 1 times [2023-11-12 02:25:32,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:32,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909062009] [2023-11-12 02:25:32,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:32,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:32,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:25:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:32,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:25:32,645 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:25:32,646 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:25:32,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-12 02:25:32,652 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:32,657 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:25:32,709 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:25:32,710 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-12 02:25:32,711 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-12 02:25:32,711 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-12 02:25:32,712 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-12 02:25:32,712 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-12 02:25:32,712 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-12 02:25:32,713 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-12 02:25:32,713 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-12 02:25:32,714 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-12 02:25:32,715 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-12 02:25:32,715 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-12 02:25:32,716 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-12 02:25:32,716 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-12 02:25:32,717 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-12 02:25:32,717 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-12 02:25:32,718 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-12 02:25:32,718 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-12 02:25:32,719 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-12 02:25:32,719 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-12 02:25:32,720 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-12 02:25:32,720 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-12 02:25:32,721 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-12 02:25:32,721 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated [2023-11-12 02:25:32,722 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated [2023-11-12 02:25:32,722 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated [2023-11-12 02:25:32,723 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated [2023-11-12 02:25:32,723 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-11-12 02:25:32,724 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-11-12 02:25:32,724 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-11-12 02:25:32,725 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-12 02:25:32,725 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated [2023-11-12 02:25:32,727 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet40 could not be translated [2023-11-12 02:25:32,728 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet42 could not be translated [2023-11-12 02:25:32,729 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet44 could not be translated [2023-11-12 02:25:32,730 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet46 could not be translated [2023-11-12 02:25:32,731 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet47 could not be translated [2023-11-12 02:25:32,733 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet48 could not be translated [2023-11-12 02:25:32,735 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated [2023-11-12 02:25:32,737 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet50 could not be translated [2023-11-12 02:25:32,739 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet51 could not be translated [2023-11-12 02:25:32,741 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet52 could not be translated [2023-11-12 02:25:32,743 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet53 could not be translated [2023-11-12 02:25:32,745 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet54 could not be translated [2023-11-12 02:25:32,748 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet55 could not be translated [2023-11-12 02:25:32,749 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet56 could not be translated [2023-11-12 02:25:32,750 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-12 02:25:32,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:25:32 BoogieIcfgContainer [2023-11-12 02:25:32,774 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:25:32,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:25:32,775 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:25:32,775 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:25:32,776 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:20" (3/4) ... [2023-11-12 02:25:32,778 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:25:32,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:25:32,779 INFO L158 Benchmark]: Toolchain (without parser) took 14129.49ms. Allocated memory was 136.3MB in the beginning and 281.0MB in the end (delta: 144.7MB). Free memory was 89.9MB in the beginning and 171.8MB in the end (delta: -81.8MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2023-11-12 02:25:32,780 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 104.9MB. Free memory is still 56.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:25:32,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.39ms. Allocated memory is still 136.3MB. Free memory was 89.7MB in the beginning and 72.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:25:32,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.04ms. Allocated memory is still 136.3MB. Free memory was 72.5MB in the beginning and 102.6MB in the end (delta: -30.1MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-11-12 02:25:32,781 INFO L158 Benchmark]: Boogie Preprocessor took 181.28ms. Allocated memory is still 136.3MB. Free memory was 102.6MB in the beginning and 97.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:25:32,781 INFO L158 Benchmark]: RCFGBuilder took 1429.29ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 97.9MB in the beginning and 144.6MB in the end (delta: -46.7MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2023-11-12 02:25:32,782 INFO L158 Benchmark]: TraceAbstraction took 11860.61ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 143.6MB in the beginning and 171.8MB in the end (delta: -28.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-12 02:25:32,782 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 281.0MB. Free memory is still 171.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:25:32,784 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 104.9MB. Free memory is still 56.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.39ms. Allocated memory is still 136.3MB. Free memory was 89.7MB in the beginning and 72.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.04ms. Allocated memory is still 136.3MB. Free memory was 72.5MB in the beginning and 102.6MB in the end (delta: -30.1MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.28ms. Allocated memory is still 136.3MB. Free memory was 102.6MB in the beginning and 97.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1429.29ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 97.9MB in the beginning and 144.6MB in the end (delta: -46.7MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. * TraceAbstraction took 11860.61ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 143.6MB in the beginning and 171.8MB in the end (delta: -28.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 281.0MB. Free memory is still 171.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet56 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 168. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 64); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (64 - 1); [L35] const SORT_64 mask_SORT_64 = (SORT_64)-1 >> (sizeof(SORT_64) * 8 - 4); [L36] const SORT_64 msb_SORT_64 = (SORT_64)1 << (4 - 1); [L38] const SORT_66 mask_SORT_66 = (SORT_66)-1 >> (sizeof(SORT_66) * 8 - 60); [L39] const SORT_66 msb_SORT_66 = (SORT_66)1 << (60 - 1); [L41] const SORT_10 var_11 = 0; [L42] const SORT_1 var_14 = 0; [L43] const SORT_3 var_24 = 0; [L44] const SORT_1 var_51 = 1; [L45] const SORT_64 var_65 = 0; [L47] SORT_1 input_2; [L48] SORT_3 input_4; [L49] SORT_3 input_5; [L50] SORT_1 input_6; [L51] SORT_1 input_7; [L52] SORT_1 input_8; [L53] SORT_1 input_9; [L55] EXPR __VERIFIER_nondet_ulong() & mask_SORT_10 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L55] SORT_10 state_12 = __VERIFIER_nondet_ulong() & mask_SORT_10; [L56] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L56] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] EXPR __VERIFIER_nondet_ulong() & mask_SORT_10 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L57] SORT_10 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_10; [L58] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L58] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L59] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L59] SORT_3 state_25 = __VERIFIER_nondet_uint() & mask_SORT_3; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L60] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L61] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L61] SORT_3 state_30 = __VERIFIER_nondet_uint() & mask_SORT_3; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L62] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L63] SORT_3 state_37 = __VERIFIER_nondet_uint() & mask_SORT_3; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L64] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L65] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L65] SORT_3 state_42 = __VERIFIER_nondet_uint() & mask_SORT_3; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L66] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L67] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L68] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L69] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L70] SORT_1 state_92 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] SORT_10 init_13_arg_1 = var_11; [L73] state_12 = init_13_arg_1 [L74] SORT_1 init_16_arg_1 = var_14; [L75] state_15 = init_16_arg_1 [L76] SORT_10 init_19_arg_1 = var_11; [L77] state_18 = init_19_arg_1 [L78] SORT_1 init_21_arg_1 = var_14; [L79] state_20 = init_21_arg_1 [L80] SORT_3 init_26_arg_1 = var_24; [L81] state_25 = init_26_arg_1 [L82] SORT_1 init_28_arg_1 = var_14; [L83] state_27 = init_28_arg_1 [L84] SORT_3 init_31_arg_1 = var_24; [L85] state_30 = init_31_arg_1 [L86] SORT_1 init_33_arg_1 = var_14; [L87] state_32 = init_33_arg_1 [L88] SORT_3 init_38_arg_1 = var_24; [L89] state_37 = init_38_arg_1 [L90] SORT_1 init_40_arg_1 = var_14; [L91] state_39 = init_40_arg_1 [L92] SORT_3 init_43_arg_1 = var_24; [L93] state_42 = init_43_arg_1 [L94] SORT_1 init_45_arg_1 = var_14; [L95] state_44 = init_45_arg_1 [L96] SORT_1 init_70_arg_1 = var_14; [L97] state_69 = init_70_arg_1 [L98] SORT_1 init_75_arg_1 = var_14; [L99] state_74 = init_75_arg_1 [L100] SORT_1 init_88_arg_1 = var_14; [L101] state_87 = init_88_arg_1 [L102] SORT_1 init_93_arg_1 = var_14; [L103] state_92 = init_93_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L106] input_2 = __VERIFIER_nondet_uchar() [L107] input_4 = __VERIFIER_nondet_uint() [L108] input_5 = __VERIFIER_nondet_uint() [L109] input_6 = __VERIFIER_nondet_uchar() [L110] EXPR input_6 & mask_SORT_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L110] input_6 = input_6 & mask_SORT_1 [L111] input_7 = __VERIFIER_nondet_uchar() [L112] EXPR input_7 & mask_SORT_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L112] input_7 = input_7 & mask_SORT_1 [L113] input_8 = __VERIFIER_nondet_uchar() [L114] EXPR input_8 & mask_SORT_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L114] input_8 = input_8 & mask_SORT_1 [L115] input_9 = __VERIFIER_nondet_uchar() [L116] EXPR input_9 & mask_SORT_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_24=0, var_51=1, var_65=0] [L116] input_9 = input_9 & mask_SORT_1 [L119] SORT_1 var_17_arg_0 = state_15; [L120] SORT_10 var_17_arg_1 = state_12; [L121] SORT_10 var_17_arg_2 = var_11; [L122] SORT_10 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_24=0, var_51=1, var_65=0] [L123] EXPR var_17 & mask_SORT_10 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_24=0, var_51=1, var_65=0] [L123] var_17 = var_17 & mask_SORT_10 [L124] SORT_1 var_22_arg_0 = state_20; [L125] SORT_10 var_22_arg_1 = state_18; [L126] SORT_10 var_22_arg_2 = var_11; [L127] SORT_10 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_24=0, var_51=1, var_65=0] [L128] EXPR var_22 & mask_SORT_10 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_24=0, var_51=1, var_65=0] [L128] var_22 = var_22 & mask_SORT_10 [L129] SORT_10 var_23_arg_0 = var_17; [L130] SORT_10 var_23_arg_1 = var_22; [L131] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L132] SORT_1 var_29_arg_0 = state_27; [L133] SORT_3 var_29_arg_1 = state_25; [L134] SORT_3 var_29_arg_2 = var_24; [L135] SORT_3 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_51=1, var_65=0] [L136] EXPR var_29 & mask_SORT_3 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_51=1, var_65=0] [L136] var_29 = var_29 & mask_SORT_3 [L137] SORT_1 var_34_arg_0 = state_32; [L138] SORT_3 var_34_arg_1 = state_30; [L139] SORT_3 var_34_arg_2 = var_24; [L140] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_51=1, var_65=0] [L141] EXPR var_34 & mask_SORT_3 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_51=1, var_65=0] [L141] var_34 = var_34 & mask_SORT_3 [L142] SORT_3 var_35_arg_0 = var_29; [L143] SORT_3 var_35_arg_1 = var_34; [L144] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L145] SORT_1 var_36_arg_0 = var_23; [L146] SORT_1 var_36_arg_1 = var_35; VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36_arg_0=1, var_36_arg_1=1, var_51=1, var_65=0] [L147] EXPR var_36_arg_0 & var_36_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36_arg_0=1, var_36_arg_1=1, var_51=1, var_65=0] [L147] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L148] SORT_1 var_41_arg_0 = state_39; [L149] SORT_3 var_41_arg_1 = state_37; [L150] SORT_3 var_41_arg_2 = var_24; [L151] SORT_3 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=1, var_36_arg_0=1, var_36_arg_1=1, var_41=0, var_41_arg_0=0, var_41_arg_1=0, var_41_arg_2=0, var_51=1, var_65=0] [L152] EXPR var_41 & mask_SORT_3 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=1, var_36_arg_0=1, var_36_arg_1=1, var_41=0, var_41_arg_0=0, var_41_arg_1=0, var_41_arg_2=0, var_51=1, var_65=0] [L152] var_41 = var_41 & mask_SORT_3 [L153] SORT_1 var_46_arg_0 = state_44; [L154] SORT_3 var_46_arg_1 = state_42; [L155] SORT_3 var_46_arg_2 = var_24; [L156] SORT_3 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=1, var_36_arg_0=1, var_36_arg_1=1, var_41=0, var_41_arg_0=0, var_41_arg_1=0, var_41_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_51=1, var_65=0] [L157] EXPR var_46 & mask_SORT_3 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=1, var_36_arg_0=1, var_36_arg_1=1, var_41=0, var_41_arg_0=0, var_41_arg_1=0, var_41_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_51=1, var_65=0] [L157] var_46 = var_46 & mask_SORT_3 [L158] SORT_3 var_47_arg_0 = var_41; [L159] SORT_3 var_47_arg_1 = var_46; [L160] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L161] SORT_1 var_48_arg_0 = var_36; [L162] SORT_1 var_48_arg_1 = var_47; VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=1, var_36_arg_0=1, var_36_arg_1=1, var_41=0, var_41_arg_0=0, var_41_arg_1=0, var_41_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=1, var_47_arg_0=0, var_47_arg_1=0, var_48_arg_0=1, var_48_arg_1=1, var_51=1, var_65=0] [L163] EXPR var_48_arg_0 & var_48_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=1, var_36_arg_0=1, var_36_arg_1=1, var_41=0, var_41_arg_0=0, var_41_arg_1=0, var_41_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=1, var_47_arg_0=0, var_47_arg_1=0, var_48_arg_0=1, var_48_arg_1=1, var_51=1, var_65=0] [L163] SORT_1 var_48 = var_48_arg_0 & var_48_arg_1; [L164] SORT_1 var_52_arg_0 = var_48; [L165] SORT_1 var_52 = ~var_52_arg_0; [L166] SORT_1 var_53_arg_0 = var_51; [L167] SORT_1 var_53_arg_1 = var_52; VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=1, var_36_arg_0=1, var_36_arg_1=1, var_41=0, var_41_arg_0=0, var_41_arg_1=0, var_41_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=1, var_47_arg_0=0, var_47_arg_1=0, var_48=1, var_48_arg_0=1, var_48_arg_1=1, var_51=1, var_52=254, var_52_arg_0=1, var_53_arg_0=1, var_53_arg_1=254, var_65=0] [L168] EXPR var_53_arg_0 & var_53_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=1, var_36_arg_0=1, var_36_arg_1=1, var_41=0, var_41_arg_0=0, var_41_arg_1=0, var_41_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=1, var_47_arg_0=0, var_47_arg_1=0, var_48=1, var_48_arg_0=1, var_48_arg_1=1, var_51=1, var_52=254, var_52_arg_0=1, var_53_arg_0=1, var_53_arg_1=254, var_65=0] [L168] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L169] EXPR var_53 & mask_SORT_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_88_arg_1=0, init_93_arg_1=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=18446744073709551615, mask_SORT_1=1, mask_SORT_3=4294967295, mask_SORT_64=15, mask_SORT_66=1152921504606846975, msb_SORT_10=9223372036854775808, msb_SORT_1=1, msb_SORT_3=2147483648, msb_SORT_64=8, msb_SORT_66=576460752303423488, state_12=0, state_15=0, state_18=0, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_69=0, state_74=0, state_87=0, state_92=0, var_11=0, var_14=0, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_17_arg_2=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_22_arg_2=0, var_23=1, var_23_arg_0=0, var_23_arg_1=0, var_24=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_29_arg_2=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=1, var_36_arg_0=1, var_36_arg_1=1, var_41=0, var_41_arg_0=0, var_41_arg_1=0, var_41_arg_2=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=1, var_47_arg_0=0, var_47_arg_1=0, var_48=1, var_48_arg_0=1, var_48_arg_1=1, var_51=1, var_52=254, var_52_arg_0=1, var_53=1, var_53_arg_0=1, var_53_arg_1=254, var_65=0] [L169] var_53 = var_53 & mask_SORT_1 [L170] SORT_1 bad_54_arg_0 = var_53; [L171] CALL __VERIFIER_assert(!(bad_54_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, 140 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.7s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6177 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6177 mSDsluCounter, 11561 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8769 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 955 IncrementalHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 2792 mSDtfsCounter, 955 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=8, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1420 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 878 NumberOfCodeBlocks, 878 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 797 ConstructedInterpolants, 0 QuantifiedInterpolants, 2516 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 [2023-11-12 02:25:32,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a17878a5128bf705eaf3e8cc839ad0f7d5b7dcfdf1e66ee241171f7fff28965b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:25:35,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:25:35,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-12 02:25:35,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:25:35,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:25:35,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:25:35,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:25:35,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:25:35,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:25:35,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:25:35,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:25:35,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:25:35,842 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:25:35,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:25:35,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:25:35,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:25:35,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:25:35,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:25:35,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:25:35,847 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:25:35,847 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:25:35,848 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:25:35,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:25:35,849 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:25:35,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:25:35,850 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:25:35,851 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:25:35,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:25:35,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:25:35,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:25:35,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:25:35,853 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:25:35,854 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:25:35,854 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:25:35,855 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:25:35,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:25:35,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:25:35,856 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:25:35,856 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:25:35,856 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_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17878a5128bf705eaf3e8cc839ad0f7d5b7dcfdf1e66ee241171f7fff28965b [2023-11-12 02:25:36,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:25:36,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:25:36,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:25:36,298 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:25:36,298 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:25:36,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c [2023-11-12 02:25:39,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:25:40,012 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:25:40,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c [2023-11-12 02:25:40,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/data/b3c824b23/1f65da4d715c431db92840b82cf48778/FLAG067debaea [2023-11-12 02:25:40,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/data/b3c824b23/1f65da4d715c431db92840b82cf48778 [2023-11-12 02:25:40,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:25:40,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:25:40,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:25:40,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:25:40,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:25:40,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:25:40" (1/1) ... [2023-11-12 02:25:40,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76afad30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:40, skipping insertion in model container [2023-11-12 02:25:40,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:25:40" (1/1) ... [2023-11-12 02:25:40,091 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:25:40,282 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_f0dd19ed-6ad8-4623-b063-c6c265b5676e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c[1244,1257] [2023-11-12 02:25:40,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:25:40,441 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:25:40,458 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_f0dd19ed-6ad8-4623-b063-c6c265b5676e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul4.c[1244,1257] [2023-11-12 02:25:40,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:25:40,560 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:25:40,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:40 WrapperNode [2023-11-12 02:25:40,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:25:40,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:25:40,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:25:40,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:25:40,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:40" (1/1) ... [2023-11-12 02:25:40,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:40" (1/1) ... [2023-11-12 02:25:40,656 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 301 [2023-11-12 02:25:40,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:25:40,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:25:40,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:25:40,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:25:40,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:40" (1/1) ... [2023-11-12 02:25:40,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:40" (1/1) ... [2023-11-12 02:25:40,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:40" (1/1) ... [2023-11-12 02:25:40,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:40" (1/1) ... [2023-11-12 02:25:40,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:40" (1/1) ... [2023-11-12 02:25:40,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:40" (1/1) ... [2023-11-12 02:25:40,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:40" (1/1) ... [2023-11-12 02:25:40,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:40" (1/1) ... [2023-11-12 02:25:40,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:25:40,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:25:40,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:25:40,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:25:40,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:40" (1/1) ... [2023-11-12 02:25:40,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:25:40,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:25:40,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:25:40,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:25:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:25:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:25:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:25:40,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:25:40,951 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:25:40,953 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:25:41,564 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:25:41,571 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:25:41,571 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:25:41,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:41 BoogieIcfgContainer [2023-11-12 02:25:41,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:25:41,578 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:25:41,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:25:41,582 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:25:41,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:25:40" (1/3) ... [2023-11-12 02:25:41,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73cc6389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:25:41, skipping insertion in model container [2023-11-12 02:25:41,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:40" (2/3) ... [2023-11-12 02:25:41,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73cc6389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:25:41, skipping insertion in model container [2023-11-12 02:25:41,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:41" (3/3) ... [2023-11-12 02:25:41,587 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul4.c [2023-11-12 02:25:41,611 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:25:41,612 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:25:41,672 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:25:41,679 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3db09ff9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:25:41,680 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:25:41,684 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) [2023-11-12 02:25:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 02:25:41,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:41,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 02:25:41,694 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:41,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:41,703 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-12 02:25:41,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:25:41,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920725245] [2023-11-12 02:25:41,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:41,719 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 [2023-11-12 02:25:41,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:25:41,732 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:25:41,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:25:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:41,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-12 02:25:41,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:25:43,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:43,270 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:25:43,271 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:25:43,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [920725245] [2023-11-12 02:25:43,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [920725245] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:43,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:43,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:25:43,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190916052] [2023-11-12 02:25:43,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:43,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:25:43,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:25:43,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:25:43,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:25:43,331 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) [2023-11-12 02:25:43,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:43,782 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-12 02:25:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:25:43,785 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 [2023-11-12 02:25:43,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:43,794 INFO L225 Difference]: With dead ends: 19 [2023-11-12 02:25:43,794 INFO L226 Difference]: Without dead ends: 10 [2023-11-12 02:25:43,797 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 [2023-11-12 02:25:43,803 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:43,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:25:43,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-12 02:25:43,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-12 02:25:43,840 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) [2023-11-12 02:25:43,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-12 02:25:43,843 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-12 02:25:43,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:43,843 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-12 02:25:43,844 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) [2023-11-12 02:25:43,844 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-12 02:25:43,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 02:25:43,844 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:43,845 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:43,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/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)] Ended with exit code 0 [2023-11-12 02:25:44,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:25:44,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:44,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:44,070 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-12 02:25:44,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:25:44,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525209852] [2023-11-12 02:25:44,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:44,072 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 [2023-11-12 02:25:44,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:25:44,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:25:44,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0dd19ed-6ad8-4623-b063-c6c265b5676e/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:25:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:44,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 85 conjunts are in the unsatisfiable core [2023-11-12 02:25:44,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:25:48,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:48,809 INFO L327 TraceCheckSpWp]: Computing backward predicates...