./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu --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 07c94e5cd3bc71d2316ee023f3c3de7a743ac154d633131bf7b85324be3bb818 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:03:55,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:03:55,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:03:55,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:03:55,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:03:55,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:03:55,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:03:55,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:03:55,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:03:55,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:03:55,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:03:55,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:03:55,572 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:03:55,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:03:55,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:03:55,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:03:55,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:03:55,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:03:55,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:03:55,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:03:55,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:03:55,578 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:03:55,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:03:55,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:03:55,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:03:55,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:03:55,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:03:55,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:03:55,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:03:55,583 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:03:55,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:03:55,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:03:55,585 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:03:55,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:03:55,586 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:03:55,586 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:03:55,587 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_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07c94e5cd3bc71d2316ee023f3c3de7a743ac154d633131bf7b85324be3bb818 [2023-11-19 08:03:55,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:03:55,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:03:55,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:03:55,941 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:03:55,942 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:03:55,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-19 08:03:59,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:03:59,643 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:03:59,644 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-19 08:03:59,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/data/85b1755d5/bc25e2be59584d31a5eb93182ff35cde/FLAGc08e324c3 [2023-11-19 08:03:59,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/data/85b1755d5/bc25e2be59584d31a5eb93182ff35cde [2023-11-19 08:03:59,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:03:59,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:03:59,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:03:59,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:03:59,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:03:59,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:59" (1/1) ... [2023-11-19 08:03:59,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215f3e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:59, skipping insertion in model container [2023-11-19 08:03:59,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:59" (1/1) ... [2023-11-19 08:03:59,759 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:00,065 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_139ec763-44c2-4ffb-828f-3119ef7d6577/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c[1259,1272] [2023-11-19 08:04:00,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:00,427 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:00,437 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_139ec763-44c2-4ffb-828f-3119ef7d6577/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c[1259,1272] [2023-11-19 08:04:00,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:00,639 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:00,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:00 WrapperNode [2023-11-19 08:04:00,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:00,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:00,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:00,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:00,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:00" (1/1) ... [2023-11-19 08:04:00,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:00" (1/1) ... [2023-11-19 08:04:01,071 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2432 [2023-11-19 08:04:01,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:01,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:01,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:01,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:01,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:00" (1/1) ... [2023-11-19 08:04:01,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:00" (1/1) ... [2023-11-19 08:04:01,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:00" (1/1) ... [2023-11-19 08:04:01,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:00" (1/1) ... [2023-11-19 08:04:01,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:00" (1/1) ... [2023-11-19 08:04:01,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:00" (1/1) ... [2023-11-19 08:04:01,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:00" (1/1) ... [2023-11-19 08:04:01,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:00" (1/1) ... [2023-11-19 08:04:01,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:01,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:01,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:01,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:01,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:00" (1/1) ... [2023-11-19 08:04:01,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:01,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:01,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:01,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:04:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:01,815 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:01,818 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:04,068 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:04,083 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:04,083 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:04:04,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:04 BoogieIcfgContainer [2023-11-19 08:04:04,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:04,094 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:04,094 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:04,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:04,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:03:59" (1/3) ... [2023-11-19 08:04:04,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121ef83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:04, skipping insertion in model container [2023-11-19 08:04:04,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:00" (2/3) ... [2023-11-19 08:04:04,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121ef83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:04, skipping insertion in model container [2023-11-19 08:04:04,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:04" (3/3) ... [2023-11-19 08:04:04,101 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-19 08:04:04,123 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:04:04,123 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:04:04,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:04:04,197 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;@2ecf6848, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:04:04,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:04:04,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 414 states, 412 states have (on average 1.662621359223301) internal successors, (685), 413 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:04,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 08:04:04,215 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:04,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:04,216 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:04,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:04,222 INFO L85 PathProgramCache]: Analyzing trace with hash -764768305, now seen corresponding path program 1 times [2023-11-19 08:04:04,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:04,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027635871] [2023-11-19 08:04:04,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:04,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:05,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:05,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:05,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027635871] [2023-11-19 08:04:05,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027635871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:05,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:05,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:05,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672469291] [2023-11-19 08:04:05,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:05,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:05,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:05,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:05,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:05,229 INFO L87 Difference]: Start difference. First operand has 414 states, 412 states have (on average 1.662621359223301) internal successors, (685), 413 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:05,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:05,374 INFO L93 Difference]: Finished difference Result 785 states and 1303 transitions. [2023-11-19 08:04:05,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:04:05,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2023-11-19 08:04:05,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:05,421 INFO L225 Difference]: With dead ends: 785 [2023-11-19 08:04:05,430 INFO L226 Difference]: Without dead ends: 412 [2023-11-19 08:04:05,436 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 [2023-11-19 08:04:05,440 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 1 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2025 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:05,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2025 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:05,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-19 08:04:05,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2023-11-19 08:04:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.6569343065693432) internal successors, (681), 411 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 681 transitions. [2023-11-19 08:04:05,531 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 681 transitions. Word has length 45 [2023-11-19 08:04:05,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:05,532 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 681 transitions. [2023-11-19 08:04:05,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 681 transitions. [2023-11-19 08:04:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 08:04:05,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:05,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:05,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:04:05,535 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:05,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:05,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2063711509, now seen corresponding path program 1 times [2023-11-19 08:04:05,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:05,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832444827] [2023-11-19 08:04:05,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:05,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:05,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:05,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:05,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832444827] [2023-11-19 08:04:05,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832444827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:05,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:05,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:05,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110336839] [2023-11-19 08:04:05,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:05,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:05,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:05,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:05,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:05,925 INFO L87 Difference]: Start difference. First operand 412 states and 681 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:05,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:05,989 INFO L93 Difference]: Finished difference Result 786 states and 1299 transitions. [2023-11-19 08:04:05,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:04:05,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2023-11-19 08:04:05,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:05,997 INFO L225 Difference]: With dead ends: 786 [2023-11-19 08:04:05,997 INFO L226 Difference]: Without dead ends: 415 [2023-11-19 08:04:06,007 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 [2023-11-19 08:04:06,010 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 1 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:06,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2022 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:04:06,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-11-19 08:04:06,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 414. [2023-11-19 08:04:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 413 states have (on average 1.6537530266343825) internal successors, (683), 413 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:06,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 683 transitions. [2023-11-19 08:04:06,038 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 683 transitions. Word has length 46 [2023-11-19 08:04:06,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:06,038 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 683 transitions. [2023-11-19 08:04:06,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:06,039 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 683 transitions. [2023-11-19 08:04:06,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 08:04:06,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:06,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:06,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:04:06,042 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:06,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:06,042 INFO L85 PathProgramCache]: Analyzing trace with hash -659884887, now seen corresponding path program 1 times [2023-11-19 08:04:06,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:06,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715350811] [2023-11-19 08:04:06,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:06,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:06,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:06,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715350811] [2023-11-19 08:04:06,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715350811] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:06,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:06,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:04:06,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680447501] [2023-11-19 08:04:06,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:06,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:04:06,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:06,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:04:06,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:04:06,723 INFO L87 Difference]: Start difference. First operand 414 states and 683 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:06,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:06,996 INFO L93 Difference]: Finished difference Result 1533 states and 2530 transitions. [2023-11-19 08:04:06,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 08:04:06,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2023-11-19 08:04:06,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:07,006 INFO L225 Difference]: With dead ends: 1533 [2023-11-19 08:04:07,006 INFO L226 Difference]: Without dead ends: 1160 [2023-11-19 08:04:07,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:04:07,016 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 1818 mSDsluCounter, 2738 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 3430 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:07,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1818 Valid, 3430 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:04:07,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2023-11-19 08:04:07,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 419. [2023-11-19 08:04:07,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 418 states have (on average 1.6507177033492824) internal successors, (690), 418 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:07,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 690 transitions. [2023-11-19 08:04:07,052 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 690 transitions. Word has length 47 [2023-11-19 08:04:07,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:07,055 INFO L495 AbstractCegarLoop]: Abstraction has 419 states and 690 transitions. [2023-11-19 08:04:07,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:07,059 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 690 transitions. [2023-11-19 08:04:07,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 08:04:07,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:07,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:07,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:04:07,070 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:07,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:07,073 INFO L85 PathProgramCache]: Analyzing trace with hash -2069682311, now seen corresponding path program 1 times [2023-11-19 08:04:07,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:07,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033796887] [2023-11-19 08:04:07,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:07,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:08,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:08,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:08,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033796887] [2023-11-19 08:04:08,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033796887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:08,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:08,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-19 08:04:08,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831697503] [2023-11-19 08:04:08,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:08,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 08:04:08,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:08,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 08:04:08,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:04:08,539 INFO L87 Difference]: Start difference. First operand 419 states and 690 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:09,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:09,416 INFO L93 Difference]: Finished difference Result 1917 states and 3164 transitions. [2023-11-19 08:04:09,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 08:04:09,416 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2023-11-19 08:04:09,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:09,427 INFO L225 Difference]: With dead ends: 1917 [2023-11-19 08:04:09,427 INFO L226 Difference]: Without dead ends: 1539 [2023-11-19 08:04:09,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2023-11-19 08:04:09,436 INFO L413 NwaCegarLoop]: 1281 mSDtfsCounter, 5501 mSDsluCounter, 5138 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5501 SdHoareTripleChecker+Valid, 6419 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:09,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5501 Valid, 6419 Invalid, 189 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:04:09,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2023-11-19 08:04:09,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 436. [2023-11-19 08:04:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 435 states have (on average 1.6436781609195403) internal successors, (715), 435 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 715 transitions. [2023-11-19 08:04:09,464 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 715 transitions. Word has length 48 [2023-11-19 08:04:09,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:09,465 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 715 transitions. [2023-11-19 08:04:09,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:09,465 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 715 transitions. [2023-11-19 08:04:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 08:04:09,468 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:09,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:09,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:04:09,468 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:09,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:09,469 INFO L85 PathProgramCache]: Analyzing trace with hash -294674949, now seen corresponding path program 1 times [2023-11-19 08:04:09,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:09,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269373216] [2023-11-19 08:04:09,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:09,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:09,575 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:04:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:04:09,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:04:09,722 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:04:09,723 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:04:09,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 08:04:09,731 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 08:04:09,735 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:04:09,794 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:04:09,796 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-19 08:04:09,797 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-19 08:04:09,797 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-19 08:04:09,798 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-19 08:04:09,798 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-19 08:04:09,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-19 08:04:09,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-19 08:04:09,801 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-19 08:04:09,807 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-19 08:04:09,807 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-19 08:04:09,808 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-19 08:04:09,810 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-19 08:04:09,811 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-19 08:04:09,815 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-19 08:04:09,819 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-19 08:04:09,822 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-19 08:04:09,822 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-19 08:04:09,823 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-19 08:04:09,823 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-19 08:04:09,824 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-19 08:04:09,824 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-19 08:04:09,826 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-19 08:04:09,827 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated [2023-11-19 08:04:09,829 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated [2023-11-19 08:04:09,829 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated [2023-11-19 08:04:09,831 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated [2023-11-19 08:04:09,833 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet50 could not be translated [2023-11-19 08:04:09,834 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet51 could not be translated [2023-11-19 08:04:09,836 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet52 could not be translated [2023-11-19 08:04:09,838 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet53 could not be translated [2023-11-19 08:04:09,839 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet54 could not be translated [2023-11-19 08:04:09,840 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet55 could not be translated [2023-11-19 08:04:09,841 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 08:04:09,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:04:09 BoogieIcfgContainer [2023-11-19 08:04:09,872 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:04:09,872 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:04:09,872 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:04:09,873 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:04:09,873 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:04" (3/4) ... [2023-11-19 08:04:09,876 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:04:09,877 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:04:09,878 INFO L158 Benchmark]: Toolchain (without parser) took 10198.32ms. Allocated memory was 153.1MB in the beginning and 337.6MB in the end (delta: 184.5MB). Free memory was 117.9MB in the beginning and 138.4MB in the end (delta: -20.6MB). Peak memory consumption was 164.0MB. Max. memory is 16.1GB. [2023-11-19 08:04:09,878 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 125.8MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:09,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 959.90ms. Allocated memory is still 153.1MB. Free memory was 117.9MB in the beginning and 89.5MB in the end (delta: 28.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 08:04:09,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 430.80ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 89.5MB in the beginning and 136.8MB in the end (delta: -47.3MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2023-11-19 08:04:09,879 INFO L158 Benchmark]: Boogie Preprocessor took 263.37ms. Allocated memory is still 201.3MB. Free memory was 136.8MB in the beginning and 120.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 08:04:09,879 INFO L158 Benchmark]: RCFGBuilder took 2754.08ms. Allocated memory is still 201.3MB. Free memory was 120.0MB in the beginning and 86.6MB in the end (delta: 33.4MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2023-11-19 08:04:09,880 INFO L158 Benchmark]: TraceAbstraction took 5778.26ms. Allocated memory was 201.3MB in the beginning and 337.6MB in the end (delta: 136.3MB). Free memory was 85.6MB in the beginning and 138.4MB in the end (delta: -52.8MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. [2023-11-19 08:04:09,880 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 337.6MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:09,882 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 125.8MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 959.90ms. Allocated memory is still 153.1MB. Free memory was 117.9MB in the beginning and 89.5MB in the end (delta: 28.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 430.80ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 89.5MB in the beginning and 136.8MB in the end (delta: -47.3MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 263.37ms. Allocated memory is still 201.3MB. Free memory was 136.8MB in the beginning and 120.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2754.08ms. Allocated memory is still 201.3MB. Free memory was 120.0MB in the beginning and 86.6MB in the end (delta: 33.4MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5778.26ms. Allocated memory was 201.3MB in the beginning and 337.6MB in the end (delta: 136.3MB). Free memory was 85.6MB in the beginning and 138.4MB in the end (delta: -52.8MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 337.6MB. Free memory is still 138.4MB. 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~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 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~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 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~nondet29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet28 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 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 bitwiseOr at line 177, overapproximation of bitwiseAnd at line 182. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 3); [L36] const SORT_7 msb_SORT_7 = (SORT_7)1 << (3 - 1); [L38] const SORT_80 mask_SORT_80 = (SORT_80)-1 >> (sizeof(SORT_80) * 8 - 32); [L39] const SORT_80 msb_SORT_80 = (SORT_80)1 << (32 - 1); [L41] const SORT_91 mask_SORT_91 = (SORT_91)-1 >> (sizeof(SORT_91) * 8 - 4); [L42] const SORT_91 msb_SORT_91 = (SORT_91)1 << (4 - 1); [L44] const SORT_176 mask_SORT_176 = (SORT_176)-1 >> (sizeof(SORT_176) * 8 - 2); [L45] const SORT_176 msb_SORT_176 = (SORT_176)1 << (2 - 1); [L47] const SORT_7 var_8 = 0; [L48] const SORT_5 var_12 = 0; [L49] const SORT_7 var_16 = 2; [L50] const SORT_1 var_19 = 0; [L51] const SORT_3 var_23 = 0; [L52] const SORT_1 var_39 = 1; [L53] const SORT_7 var_59 = 1; [L54] const SORT_7 var_64 = 4; [L55] const SORT_7 var_66 = 5; [L56] const SORT_7 var_70 = 3; [L57] const SORT_80 var_82 = 0; [L58] const SORT_7 var_108 = 7; [L59] const SORT_7 var_113 = 6; [L60] const SORT_3 var_140 = 2; [L61] const SORT_3 var_185 = 31; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_5 input_6; [L66] SORT_3 input_173; [L67] SORT_3 input_174; [L68] SORT_3 input_175; [L69] SORT_3 input_184; [L70] SORT_3 input_194; [L71] SORT_3 input_195; [L72] SORT_3 input_196; [L73] SORT_3 input_199; [L74] SORT_3 input_218; [L75] SORT_3 input_219; [L76] SORT_3 input_220; [L77] SORT_3 input_223; [L78] SORT_3 input_225; [L79] SORT_176 input_239; [L80] SORT_176 input_240; [L81] SORT_176 input_241; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L83] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L84] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L84] SORT_5 state_13 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L85] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L86] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L87] SORT_3 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L88] SORT_3 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L89] SORT_3 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L90] SORT_3 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L91] SORT_3 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L92] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L93] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L94] SORT_3 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L95] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L97] SORT_7 init_10_arg_1 = var_8; [L98] state_9 = init_10_arg_1 [L99] SORT_5 init_14_arg_1 = var_12; [L100] state_13 = init_14_arg_1 [L101] SORT_1 init_21_arg_1 = var_19; [L102] state_20 = init_21_arg_1 [L103] SORT_3 init_25_arg_1 = var_23; [L104] state_24 = init_25_arg_1 [L105] SORT_3 init_27_arg_1 = var_23; [L106] state_26 = init_27_arg_1 [L107] SORT_3 init_33_arg_1 = var_23; [L108] state_32 = init_33_arg_1 [L109] SORT_3 init_44_arg_1 = var_23; [L110] state_43 = init_44_arg_1 [L111] SORT_3 init_46_arg_1 = var_23; [L112] state_45 = init_46_arg_1 [L113] SORT_3 init_48_arg_1 = var_23; [L114] state_47 = init_48_arg_1 [L115] SORT_3 init_50_arg_1 = var_23; [L116] state_49 = init_50_arg_1 [L117] SORT_3 init_52_arg_1 = var_23; [L118] state_51 = init_52_arg_1 [L119] SORT_3 init_54_arg_1 = var_23; [L120] state_53 = init_54_arg_1 [L121] SORT_3 init_56_arg_1 = var_23; [L122] state_55 = init_56_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_12=0, var_140=2, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_6 = __VERIFIER_nondet_ushort() [L128] input_173 = __VERIFIER_nondet_uchar() [L129] input_174 = __VERIFIER_nondet_uchar() [L130] input_175 = __VERIFIER_nondet_uchar() [L131] input_184 = __VERIFIER_nondet_uchar() [L132] input_194 = __VERIFIER_nondet_uchar() [L133] input_195 = __VERIFIER_nondet_uchar() [L134] input_196 = __VERIFIER_nondet_uchar() [L135] input_199 = __VERIFIER_nondet_uchar() [L136] input_218 = __VERIFIER_nondet_uchar() [L137] input_219 = __VERIFIER_nondet_uchar() [L138] input_220 = __VERIFIER_nondet_uchar() [L139] input_223 = __VERIFIER_nondet_uchar() [L140] input_225 = __VERIFIER_nondet_uchar() [L141] input_239 = __VERIFIER_nondet_uchar() [L142] input_240 = __VERIFIER_nondet_uchar() [L143] input_241 = __VERIFIER_nondet_uchar() [L146] SORT_7 var_11_arg_0 = state_9; [L147] SORT_1 var_11 = var_11_arg_0 >> 2; [L148] SORT_5 var_15_arg_0 = state_13; [L149] SORT_7 var_15 = var_15_arg_0 >> 9; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L150] EXPR var_15 & mask_SORT_7 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_185=31, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L150] var_15 = var_15 & mask_SORT_7 [L151] SORT_7 var_17_arg_0 = var_15; [L152] SORT_7 var_17_arg_1 = var_16; [L153] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L154] SORT_1 var_18_arg_0 = var_11; [L155] SORT_1 var_18_arg_1 = var_17; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L156] EXPR var_18_arg_0 & var_18_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L156] SORT_1 var_18 = var_18_arg_0 & var_18_arg_1; [L157] SORT_1 var_22_arg_0 = var_18; [L158] SORT_1 var_22_arg_1 = state_20; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L159] EXPR var_22_arg_0 & var_22_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L159] SORT_1 var_22 = var_22_arg_0 & var_22_arg_1; [L160] SORT_3 var_28_arg_0 = state_24; [L161] SORT_3 var_28_arg_1 = state_26; [L162] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L163] SORT_1 var_29_arg_0 = var_28; [L164] SORT_1 var_29 = ~var_29_arg_0; [L165] SORT_1 var_30_arg_0 = var_22; [L166] SORT_1 var_30_arg_1 = var_29; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30_arg_0=0, var_30_arg_1=254, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L167] EXPR var_30_arg_0 & var_30_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30_arg_0=0, var_30_arg_1=254, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L167] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L168] SORT_1 var_31_arg_0 = var_30; [L169] SORT_1 var_31 = ~var_31_arg_0; [L170] SORT_3 var_34_arg_0 = state_32; [L171] SORT_3 var_34_arg_1 = state_26; [L172] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L173] SORT_1 var_35_arg_0 = var_34; [L174] SORT_1 var_35 = ~var_35_arg_0; [L175] SORT_1 var_36_arg_0 = var_31; [L176] SORT_1 var_36_arg_1 = var_35; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L177] EXPR var_36_arg_0 | var_36_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L177] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L178] SORT_1 var_40_arg_0 = var_36; [L179] SORT_1 var_40 = ~var_40_arg_0; [L180] SORT_1 var_41_arg_0 = var_39; [L181] SORT_1 var_41_arg_1 = var_40; VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36=0, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_40=255, var_40_arg_0=0, var_41_arg_0=1, var_41_arg_1=255, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L182] EXPR var_41_arg_0 & var_41_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36=0, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_40=255, var_40_arg_0=0, var_41_arg_0=1, var_41_arg_1=255, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L182] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L183] EXPR var_41 & mask_SORT_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_33_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, mask_SORT_176=3, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_80=4294967295, mask_SORT_91=15, msb_SORT_176=2, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_5=2048, msb_SORT_7=4, msb_SORT_80=2147483648, msb_SORT_91=8, state_13=0, state_20=0, state_24=0, state_26=0, state_32=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_9=0, var_108=7, var_113=6, var_11=0, var_11_arg_0=0, var_12=0, var_140=2, var_15=0, var_15_arg_0=0, var_16=2, var_17=0, var_17_arg_0=0, var_17_arg_1=2, var_185=31, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_19=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_28=1, var_28_arg_0=0, var_28_arg_1=0, var_29=254, var_29_arg_0=1, var_30=0, var_30_arg_0=0, var_30_arg_1=254, var_31=255, var_31_arg_0=0, var_34=1, var_34_arg_0=0, var_34_arg_1=0, var_35=254, var_35_arg_0=1, var_36=0, var_36_arg_0=255, var_36_arg_1=254, var_39=1, var_40=255, var_40_arg_0=0, var_41=1, var_41_arg_0=1, var_41_arg_1=255, var_59=1, var_64=4, var_66=5, var_70=3, var_82=0, var_8=0] [L183] var_41 = var_41 & mask_SORT_1 [L184] SORT_1 bad_42_arg_0 = var_41; [L185] CALL __VERIFIER_assert(!(bad_42_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 414 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7321 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7321 mSDsluCounter, 13896 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10569 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 279 IncrementalHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 3327 mSDtfsCounter, 279 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=436occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 1845 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 08:04:09,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/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_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu --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 07c94e5cd3bc71d2316ee023f3c3de7a743ac154d633131bf7b85324be3bb818 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:12,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:12,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-19 08:04:12,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:12,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:12,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:12,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:12,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:12,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:12,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:13,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:13,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:13,002 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:13,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:13,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:13,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:13,005 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:13,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:13,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:13,007 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:04:13,008 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:04:13,008 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:04:13,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:13,009 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:13,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:13,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:13,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:13,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:13,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:13,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:13,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:13,013 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:04:13,013 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:04:13,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:13,014 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:13,014 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:13,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:13,015 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:04:13,015 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:13,016 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_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07c94e5cd3bc71d2316ee023f3c3de7a743ac154d633131bf7b85324be3bb818 [2023-11-19 08:04:13,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:13,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:13,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:13,441 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:13,441 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:13,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-19 08:04:16,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:04:17,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:04:17,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-19 08:04:17,378 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/data/70c6cbd49/b8c41b68cc3c435cab2b246f6fc57784/FLAG49b73ed2f [2023-11-19 08:04:17,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/data/70c6cbd49/b8c41b68cc3c435cab2b246f6fc57784 [2023-11-19 08:04:17,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:04:17,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:04:17,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:17,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:04:17,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:04:17,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:17" (1/1) ... [2023-11-19 08:04:17,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aeb5aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:17, skipping insertion in model container [2023-11-19 08:04:17,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:17" (1/1) ... [2023-11-19 08:04:17,476 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:04:17,726 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_139ec763-44c2-4ffb-828f-3119ef7d6577/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c[1259,1272] [2023-11-19 08:04:18,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:18,076 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:04:18,090 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_139ec763-44c2-4ffb-828f-3119ef7d6577/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p13.c[1259,1272] [2023-11-19 08:04:18,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:04:18,239 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:04:18,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:18 WrapperNode [2023-11-19 08:04:18,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:04:18,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:18,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:04:18,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:04:18,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:18" (1/1) ... [2023-11-19 08:04:18,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:18" (1/1) ... [2023-11-19 08:04:18,412 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1088 [2023-11-19 08:04:18,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:04:18,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:04:18,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:04:18,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:04:18,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:18" (1/1) ... [2023-11-19 08:04:18,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:18" (1/1) ... [2023-11-19 08:04:18,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:18" (1/1) ... [2023-11-19 08:04:18,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:18" (1/1) ... [2023-11-19 08:04:18,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:18" (1/1) ... [2023-11-19 08:04:18,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:18" (1/1) ... [2023-11-19 08:04:18,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:18" (1/1) ... [2023-11-19 08:04:18,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:18" (1/1) ... [2023-11-19 08:04:18,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:04:18,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:04:18,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:04:18,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:04:18,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:18" (1/1) ... [2023-11-19 08:04:18,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:18,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:18,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:04:18,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:04:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:04:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:04:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:04:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:04:18,934 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:04:18,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:04:20,656 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:04:20,664 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:04:20,664 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:04:20,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:20 BoogieIcfgContainer [2023-11-19 08:04:20,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:04:20,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:04:20,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:04:20,678 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:04:20,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:17" (1/3) ... [2023-11-19 08:04:20,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48dfc375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:20, skipping insertion in model container [2023-11-19 08:04:20,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:18" (2/3) ... [2023-11-19 08:04:20,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48dfc375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:20, skipping insertion in model container [2023-11-19 08:04:20,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:20" (3/3) ... [2023-11-19 08:04:20,685 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p13.c [2023-11-19 08:04:20,707 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:04:20,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:04:20,772 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:04:20,780 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;@79ba76a2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:04:20,781 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:04:20,787 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) [2023-11-19 08:04:20,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 08:04:20,794 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:20,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 08:04:20,795 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:20,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:20,804 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-19 08:04:20,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:04:20,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346792590] [2023-11-19 08:04:20,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:20,823 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 [2023-11-19 08:04:20,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:04:20,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:04:20,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:04:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:21,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 08:04:21,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:21,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:21,442 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:04:21,443 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:04:21,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346792590] [2023-11-19 08:04:21,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346792590] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:04:21,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:04:21,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:04:21,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379688680] [2023-11-19 08:04:21,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:04:21,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:04:21,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:04:21,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:04:21,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:04:21,497 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) [2023-11-19 08:04:21,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:21,740 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-19 08:04:21,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:04:21,743 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 [2023-11-19 08:04:21,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:21,751 INFO L225 Difference]: With dead ends: 19 [2023-11-19 08:04:21,752 INFO L226 Difference]: Without dead ends: 10 [2023-11-19 08:04:21,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:04:21,759 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:21,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:04:21,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-19 08:04:21,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-19 08:04:21,789 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) [2023-11-19 08:04:21,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-19 08:04:21,791 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-19 08:04:21,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:21,791 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-19 08:04:21,792 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) [2023-11-19 08:04:21,792 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-19 08:04:21,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 08:04:21,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:21,793 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:21,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:21,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:04:21,996 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:21,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:21,997 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-19 08:04:21,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:04:22,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650531273] [2023-11-19 08:04:22,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:22,000 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 [2023-11-19 08:04:22,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:04:22,002 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:04:22,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:04:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:23,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 08:04:23,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:23,856 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:04:24,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:24,219 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:04:24,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650531273] [2023-11-19 08:04:24,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [650531273] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:04:24,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:04:24,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-19 08:04:24,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088618586] [2023-11-19 08:04:24,227 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:04:24,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:04:24,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:04:24,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:04:24,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:04:24,232 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:24,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:24,623 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-19 08:04:24,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:04:24,624 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 08:04:24,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:24,625 INFO L225 Difference]: With dead ends: 15 [2023-11-19 08:04:24,625 INFO L226 Difference]: Without dead ends: 13 [2023-11-19 08:04:24,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:04:24,627 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:24,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:04:24,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-19 08:04:24,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-19 08:04:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:24,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 08:04:24,633 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-19 08:04:24,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:24,633 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-19 08:04:24,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 08:04:24,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 08:04:24,635 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:24,635 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-19 08:04:24,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:24,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:04:24,836 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:24,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:24,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-19 08:04:24,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:04:24,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796461505] [2023-11-19 08:04:24,841 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:04:24,841 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:04:24,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:04:24,849 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:04:24,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 08:04:28,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 08:04:28,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:04:28,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 1788 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-19 08:04:28,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:29,578 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:04:40,218 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:40,219 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:04:40,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796461505] [2023-11-19 08:04:40,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [796461505] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:04:40,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:04:40,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-19 08:04:40,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470224878] [2023-11-19 08:04:40,220 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:04:40,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 08:04:40,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:04:40,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 08:04:40,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=65, Unknown=1, NotChecked=0, Total=90 [2023-11-19 08:04:40,225 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:41,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:41,581 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-11-19 08:04:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 08:04:41,582 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-19 08:04:41,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:41,584 INFO L225 Difference]: With dead ends: 18 [2023-11-19 08:04:41,584 INFO L226 Difference]: Without dead ends: 16 [2023-11-19 08:04:41,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=45, Invalid=110, Unknown=1, NotChecked=0, Total=156 [2023-11-19 08:04:41,597 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:41,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 22 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 08:04:41,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-19 08:04:41,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-19 08:04:41,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:41,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-19 08:04:41,609 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2023-11-19 08:04:41,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:41,610 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-19 08:04:41,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-19 08:04:41,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 08:04:41,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:41,612 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2023-11-19 08:04:41,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:41,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:04:41,825 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:04:41,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:41,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2023-11-19 08:04:41,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:04:41,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854496989] [2023-11-19 08:04:41,828 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 08:04:41,828 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 [2023-11-19 08:04:41,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:04:41,830 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 08:04:41,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139ec763-44c2-4ffb-828f-3119ef7d6577/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 08:04:44,064 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-19 08:04:44,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:04:44,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 1788 conjuncts, 151 conjunts are in the unsatisfiable core [2023-11-19 08:04:44,132 INFO L285 TraceCheckSpWp]: Computing forward predicates...