./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f7a00abffb1476a0a9385c66cbd20320ef85b37eb0a9fea8a014633d72f397a0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:40:43,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:40:43,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:40:43,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:40:43,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:40:43,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:40:43,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:40:43,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:40:43,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:40:43,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:40:43,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:40:43,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:40:43,525 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:40:43,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:40:43,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:40:43,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:40:43,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:40:43,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:40:43,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:40:43,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:40:43,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:40:43,532 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:40:43,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:40:43,533 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:40:43,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:40:43,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:40:43,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:40:43,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:40:43,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:40:43,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:40:43,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:40:43,539 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:40:43,539 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:40:43,540 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:40:43,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:40:43,540 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:40:43,541 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_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7a00abffb1476a0a9385c66cbd20320ef85b37eb0a9fea8a014633d72f397a0 [2023-11-06 22:40:43,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:40:43,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:40:43,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:40:43,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:40:43,975 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:40:43,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-06 22:40:47,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:40:48,396 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:40:48,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-06 22:40:48,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/data/29238cc47/7460a397f08e4a5997c44f7f3203d55a/FLAG1662c886e [2023-11-06 22:40:48,449 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/data/29238cc47/7460a397f08e4a5997c44f7f3203d55a [2023-11-06 22:40:48,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:40:48,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:40:48,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:40:48,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:40:48,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:40:48,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:40:48" (1/1) ... [2023-11-06 22:40:48,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b82d9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:48, skipping insertion in model container [2023-11-06 22:40:48,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:40:48" (1/1) ... [2023-11-06 22:40:48,570 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:40:48,847 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_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c[1259,1272] [2023-11-06 22:40:49,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:40:49,346 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:40:49,375 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_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c[1259,1272] [2023-11-06 22:40:49,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:40:49,606 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:40:49,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:49 WrapperNode [2023-11-06 22:40:49,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:40:49,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:40:49,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:40:49,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:40:49,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:49" (1/1) ... [2023-11-06 22:40:49,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:49" (1/1) ... [2023-11-06 22:40:49,988 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2359 [2023-11-06 22:40:49,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:40:49,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:40:49,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:40:49,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:40:50,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:49" (1/1) ... [2023-11-06 22:40:50,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:49" (1/1) ... [2023-11-06 22:40:50,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:49" (1/1) ... [2023-11-06 22:40:50,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:49" (1/1) ... [2023-11-06 22:40:50,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:49" (1/1) ... [2023-11-06 22:40:50,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:49" (1/1) ... [2023-11-06 22:40:50,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:49" (1/1) ... [2023-11-06 22:40:50,260 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:49" (1/1) ... [2023-11-06 22:40:50,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:40:50,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:40:50,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:40:50,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:40:50,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:49" (1/1) ... [2023-11-06 22:40:50,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:40:50,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:50,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:40:50,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:40:50,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:40:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:40:50,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:40:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:40:51,074 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:40:51,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:40:53,943 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:40:53,968 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:40:53,969 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:40:53,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:53 BoogieIcfgContainer [2023-11-06 22:40:53,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:40:53,979 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:40:53,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:40:53,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:40:53,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:40:48" (1/3) ... [2023-11-06 22:40:53,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760abcae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:40:53, skipping insertion in model container [2023-11-06 22:40:53,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:49" (2/3) ... [2023-11-06 22:40:53,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760abcae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:40:53, skipping insertion in model container [2023-11-06 22:40:53,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:53" (3/3) ... [2023-11-06 22:40:53,991 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-06 22:40:54,023 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:40:54,023 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:40:54,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:40:54,147 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ba45445, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:40:54,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:40:54,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.6624365482233503) internal successors, (655), 395 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:54,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-06 22:40:54,173 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:54,175 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] [2023-11-06 22:40:54,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:54,187 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:54,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1074139563, now seen corresponding path program 1 times [2023-11-06 22:40:54,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:54,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369006201] [2023-11-06 22:40:54,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:54,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:55,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:55,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:55,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369006201] [2023-11-06 22:40:55,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369006201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:55,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:55,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:40:55,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870415892] [2023-11-06 22:40:55,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:55,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:40:55,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:55,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:40:55,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:40:55,288 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.6624365482233503) internal successors, (655), 395 states have internal predecessors, (655), 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 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:55,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:55,473 INFO L93 Difference]: Finished difference Result 749 states and 1243 transitions. [2023-11-06 22:40:55,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:40:55,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 37 [2023-11-06 22:40:55,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:55,508 INFO L225 Difference]: With dead ends: 749 [2023-11-06 22:40:55,509 INFO L226 Difference]: Without dead ends: 394 [2023-11-06 22:40:55,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:40:55,528 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 1 mSDsluCounter, 1288 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1935 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:55,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1935 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:40:55,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2023-11-06 22:40:55,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2023-11-06 22:40:55,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 393 states have (on average 1.6564885496183206) internal successors, (651), 393 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:55,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 651 transitions. [2023-11-06 22:40:55,661 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 651 transitions. Word has length 37 [2023-11-06 22:40:55,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:55,662 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 651 transitions. [2023-11-06 22:40:55,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:55,664 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 651 transitions. [2023-11-06 22:40:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-06 22:40:55,666 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:55,666 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] [2023-11-06 22:40:55,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:40:55,667 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:55,668 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:55,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1059686775, now seen corresponding path program 1 times [2023-11-06 22:40:55,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:55,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99010537] [2023-11-06 22:40:55,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:55,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:56,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:56,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:56,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99010537] [2023-11-06 22:40:56,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99010537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:56,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:56,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:40:56,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820501592] [2023-11-06 22:40:56,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:56,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:40:56,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:56,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:40:56,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:40:56,058 INFO L87 Difference]: Start difference. First operand 394 states and 651 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:56,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:56,178 INFO L93 Difference]: Finished difference Result 750 states and 1239 transitions. [2023-11-06 22:40:56,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:40:56,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 38 [2023-11-06 22:40:56,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:56,184 INFO L225 Difference]: With dead ends: 750 [2023-11-06 22:40:56,184 INFO L226 Difference]: Without dead ends: 397 [2023-11-06 22:40:56,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:40:56,188 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 1 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:56,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1932 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:40:56,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2023-11-06 22:40:56,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 396. [2023-11-06 22:40:56,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 395 states have (on average 1.6531645569620252) internal successors, (653), 395 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:56,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 653 transitions. [2023-11-06 22:40:56,243 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 653 transitions. Word has length 38 [2023-11-06 22:40:56,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:56,244 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 653 transitions. [2023-11-06 22:40:56,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 653 transitions. [2023-11-06 22:40:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 22:40:56,246 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:56,246 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] [2023-11-06 22:40:56,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:40:56,247 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:56,248 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:56,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1299016069, now seen corresponding path program 1 times [2023-11-06 22:40:56,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:56,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102266716] [2023-11-06 22:40:56,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:56,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:56,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:56,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:56,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102266716] [2023-11-06 22:40:56,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102266716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:56,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:56,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:40:56,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531684758] [2023-11-06 22:40:56,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:56,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:40:56,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:56,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:40:56,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:40:56,905 INFO L87 Difference]: Start difference. First operand 396 states and 653 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:56,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:56,988 INFO L93 Difference]: Finished difference Result 753 states and 1243 transitions. [2023-11-06 22:40:56,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:40:56,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 39 [2023-11-06 22:40:56,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:56,995 INFO L225 Difference]: With dead ends: 753 [2023-11-06 22:40:56,996 INFO L226 Difference]: Without dead ends: 398 [2023-11-06 22:40:57,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:40:57,008 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 1196 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1196 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:57,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1196 Valid, 790 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:40:57,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-11-06 22:40:57,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 394. [2023-11-06 22:40:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 393 states have (on average 1.6513994910941476) internal successors, (649), 393 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:57,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 649 transitions. [2023-11-06 22:40:57,038 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 649 transitions. Word has length 39 [2023-11-06 22:40:57,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:57,040 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 649 transitions. [2023-11-06 22:40:57,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:57,045 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 649 transitions. [2023-11-06 22:40:57,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-06 22:40:57,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:57,050 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] [2023-11-06 22:40:57,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:40:57,052 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:57,055 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:57,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1220943865, now seen corresponding path program 1 times [2023-11-06 22:40:57,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:57,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579152217] [2023-11-06 22:40:57,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:57,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:40:57,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:40:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:40:57,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:40:57,342 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:40:57,343 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:40:57,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:40:57,350 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:40:57,354 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:40:57,442 WARN L316 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-06 22:40:57,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:40:57 BoogieIcfgContainer [2023-11-06 22:40:57,486 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:40:57,487 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:40:57,487 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:40:57,488 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:40:57,488 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:53" (3/4) ... [2023-11-06 22:40:57,491 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:40:57,493 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:40:57,494 INFO L158 Benchmark]: Toolchain (without parser) took 9032.62ms. Allocated memory was 178.3MB in the beginning and 396.4MB in the end (delta: 218.1MB). Free memory was 131.9MB in the beginning and 249.6MB in the end (delta: -117.7MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2023-11-06 22:40:57,494 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 78.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:40:57,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1141.53ms. Allocated memory is still 178.3MB. Free memory was 131.9MB in the beginning and 130.2MB in the end (delta: 1.7MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-11-06 22:40:57,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 380.91ms. Allocated memory is still 178.3MB. Free memory was 130.2MB in the beginning and 83.8MB in the end (delta: 46.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-06 22:40:57,496 INFO L158 Benchmark]: Boogie Preprocessor took 474.66ms. Allocated memory is still 178.3MB. Free memory was 83.8MB in the beginning and 110.7MB in the end (delta: -26.9MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2023-11-06 22:40:57,496 INFO L158 Benchmark]: RCFGBuilder took 3507.82ms. Allocated memory was 178.3MB in the beginning and 316.7MB in the end (delta: 138.4MB). Free memory was 110.7MB in the beginning and 215.4MB in the end (delta: -104.7MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2023-11-06 22:40:57,497 INFO L158 Benchmark]: TraceAbstraction took 3507.91ms. Allocated memory was 316.7MB in the beginning and 396.4MB in the end (delta: 79.7MB). Free memory was 214.4MB in the beginning and 250.6MB in the end (delta: -36.2MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2023-11-06 22:40:57,497 INFO L158 Benchmark]: Witness Printer took 5.65ms. Allocated memory is still 396.4MB. Free memory was 250.6MB in the beginning and 249.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:40:57,502 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 78.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1141.53ms. Allocated memory is still 178.3MB. Free memory was 131.9MB in the beginning and 130.2MB in the end (delta: 1.7MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 380.91ms. Allocated memory is still 178.3MB. Free memory was 130.2MB in the beginning and 83.8MB in the end (delta: 46.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 474.66ms. Allocated memory is still 178.3MB. Free memory was 83.8MB in the beginning and 110.7MB in the end (delta: -26.9MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3507.82ms. Allocated memory was 178.3MB in the beginning and 316.7MB in the end (delta: 138.4MB). Free memory was 110.7MB in the beginning and 215.4MB in the end (delta: -104.7MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3507.91ms. Allocated memory was 316.7MB in the beginning and 396.4MB in the end (delta: 79.7MB). Free memory was 214.4MB in the beginning and 250.6MB in the end (delta: -36.2MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Witness Printer took 5.65ms. Allocated memory is still 396.4MB. Free memory was 250.6MB in the beginning and 249.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 166. 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_44 mask_SORT_44 = (SORT_44)-1 >> (sizeof(SORT_44) * 8 - 3); [L36] const SORT_44 msb_SORT_44 = (SORT_44)1 << (3 - 1); [L38] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 2); [L39] const SORT_71 msb_SORT_71 = (SORT_71)1 << (2 - 1); [L41] const SORT_73 mask_SORT_73 = (SORT_73)-1 >> (sizeof(SORT_73) * 8 - 32); [L42] const SORT_73 msb_SORT_73 = (SORT_73)1 << (32 - 1); [L44] const SORT_179 mask_SORT_179 = (SORT_179)-1 >> (sizeof(SORT_179) * 8 - 4); [L45] const SORT_179 msb_SORT_179 = (SORT_179)1 << (4 - 1); [L47] const SORT_3 var_7 = 0; [L48] const SORT_1 var_12 = 0; [L49] const SORT_1 var_23 = 1; [L50] const SORT_5 var_35 = 0; [L51] const SORT_44 var_45 = 0; [L52] const SORT_44 var_49 = 2; [L53] const SORT_44 var_53 = 1; [L54] const SORT_44 var_58 = 4; [L55] const SORT_44 var_60 = 5; [L56] const SORT_44 var_64 = 3; [L57] const SORT_73 var_75 = 0; [L58] const SORT_3 var_82 = 31; [L59] const SORT_44 var_272 = 7; [L60] const SORT_44 var_277 = 6; [L61] const SORT_3 var_330 = 2; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_5 input_6; [L66] SORT_3 input_68; [L67] SORT_3 input_69; [L68] SORT_3 input_70; [L69] SORT_3 input_81; [L70] SORT_3 input_91; [L71] SORT_3 input_92; [L72] SORT_3 input_93; [L73] SORT_3 input_96; [L74] SORT_3 input_115; [L75] SORT_3 input_116; [L76] SORT_3 input_117; [L77] SORT_3 input_120; [L78] SORT_3 input_122; [L79] SORT_71 input_136; [L80] SORT_71 input_137; [L81] SORT_71 input_138; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L83] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L84] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L85] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L86] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L87] SORT_3 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L88] SORT_3 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L89] SORT_3 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [__VERIFIER_nondet_uchar() & mask_SORT_1=0, __VERIFIER_nondet_uchar()=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L90] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 VAL [__VERIFIER_nondet_ushort() & mask_SORT_5=0, __VERIFIER_nondet_ushort()=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L91] SORT_5 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L92] SORT_3 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L93] SORT_3 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [__VERIFIER_nondet_uchar() & mask_SORT_3=0, __VERIFIER_nondet_uchar()=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L94] SORT_3 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_44 VAL [__VERIFIER_nondet_uchar() & mask_SORT_44=0, __VERIFIER_nondet_uchar()=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L95] SORT_44 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_44; [L97] SORT_3 init_9_arg_1 = var_7; [L98] state_8 = init_9_arg_1 [L99] SORT_3 init_11_arg_1 = var_7; [L100] state_10 = init_11_arg_1 [L101] SORT_3 init_15_arg_1 = var_7; [L102] state_14 = init_15_arg_1 [L103] SORT_3 init_17_arg_1 = var_7; [L104] state_16 = init_17_arg_1 [L105] SORT_3 init_28_arg_1 = var_7; [L106] state_27 = init_28_arg_1 [L107] SORT_3 init_30_arg_1 = var_7; [L108] state_29 = init_30_arg_1 [L109] SORT_3 init_32_arg_1 = var_7; [L110] state_31 = init_32_arg_1 [L111] SORT_1 init_34_arg_1 = var_12; [L112] state_33 = init_34_arg_1 [L113] SORT_5 init_37_arg_1 = var_35; [L114] state_36 = init_37_arg_1 [L115] SORT_3 init_39_arg_1 = var_7; [L116] state_38 = init_39_arg_1 [L117] SORT_3 init_41_arg_1 = var_7; [L118] state_40 = init_41_arg_1 [L119] SORT_3 init_43_arg_1 = var_7; [L120] state_42 = init_43_arg_1 [L121] SORT_44 init_47_arg_1 = var_45; [L122] state_46 = init_47_arg_1 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_6 = __VERIFIER_nondet_ushort() [L128] input_68 = __VERIFIER_nondet_uchar() [L129] input_69 = __VERIFIER_nondet_uchar() [L130] input_70 = __VERIFIER_nondet_uchar() [L131] input_81 = __VERIFIER_nondet_uchar() [L132] input_91 = __VERIFIER_nondet_uchar() [L133] input_92 = __VERIFIER_nondet_uchar() [L134] input_93 = __VERIFIER_nondet_uchar() [L135] input_96 = __VERIFIER_nondet_uchar() [L136] input_115 = __VERIFIER_nondet_uchar() [L137] input_116 = __VERIFIER_nondet_uchar() [L138] input_117 = __VERIFIER_nondet_uchar() [L139] input_120 = __VERIFIER_nondet_uchar() [L140] input_122 = __VERIFIER_nondet_uchar() [L141] input_136 = __VERIFIER_nondet_uchar() [L142] input_137 = __VERIFIER_nondet_uchar() [L143] input_138 = __VERIFIER_nondet_uchar() [L146] SORT_1 var_18_arg_0 = var_12; [L147] SORT_3 var_18_arg_1 = state_16; [L148] SORT_3 var_18_arg_2 = state_14; [L149] SORT_3 var_18 = var_18_arg_0 ? var_18_arg_1 : var_18_arg_2; [L150] SORT_1 var_13_arg_0 = var_12; [L151] SORT_3 var_13_arg_1 = state_10; [L152] SORT_3 var_13_arg_2 = state_8; [L153] SORT_3 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L154] SORT_1 var_19_arg_0 = var_12; [L155] SORT_3 var_19_arg_1 = var_18; [L156] SORT_3 var_19_arg_2 = var_13; [L157] SORT_3 var_19 = var_19_arg_0 ? var_19_arg_1 : var_19_arg_2; VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L158] EXPR var_19 & mask_SORT_3 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19 & mask_SORT_3=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L158] var_19 = var_19 & mask_SORT_3 [L159] SORT_3 var_20_arg_0 = var_19; [L160] SORT_3 var_20_arg_1 = var_7; [L161] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L162] SORT_1 var_24_arg_0 = var_20; [L163] SORT_1 var_24 = ~var_24_arg_0; [L164] SORT_1 var_25_arg_0 = var_23; [L165] SORT_1 var_25_arg_1 = var_24; VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_23=1, var_24=254, var_24_arg_0=1, var_25_arg_0=1, var_25_arg_1=254, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L166] EXPR var_25_arg_0 & var_25_arg_1 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_23=1, var_24=254, var_24_arg_0=1, var_25_arg_0 & var_25_arg_1=1, var_25_arg_0=1, var_25_arg_1=254, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L166] SORT_1 var_25 = var_25_arg_0 & var_25_arg_1; [L167] EXPR var_25 & mask_SORT_1 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_23=1, var_24=254, var_24_arg_0=1, var_25 & mask_SORT_1=1, var_25=1, var_25_arg_0=1, var_25_arg_1=254, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L167] var_25 = var_25 & mask_SORT_1 [L168] SORT_1 bad_26_arg_0 = var_25; [L169] CALL __VERIFIER_assert(!(bad_26_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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1198 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1198 mSDsluCounter, 4657 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2716 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1941 mSDtfsCounter, 32 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 212 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:40:57,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f7a00abffb1476a0a9385c66cbd20320ef85b37eb0a9fea8a014633d72f397a0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:41:00,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:41:00,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 22:41:00,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:41:00,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:41:00,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:41:00,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:41:00,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:41:00,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:41:00,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:41:00,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:41:00,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:41:00,885 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:41:00,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:41:00,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:41:00,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:41:00,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:41:00,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:41:00,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:41:00,889 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:41:00,890 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:41:00,901 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:41:00,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:41:00,902 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:41:00,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:41:00,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:41:00,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:41:00,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:00,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:41:00,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:41:00,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:41:00,906 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:41:00,906 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:41:00,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:41:00,907 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:41:00,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:41:00,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:41:00,908 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:41:00,908 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:41:00,909 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_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7a00abffb1476a0a9385c66cbd20320ef85b37eb0a9fea8a014633d72f397a0 [2023-11-06 22:41:01,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:41:01,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:41:01,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:41:01,413 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:41:01,413 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:41:01,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-06 22:41:05,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:41:05,512 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:41:05,513 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-06 22:41:05,538 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/data/24c46fc62/cec3056e1e244a0d9b744a08e2ee9b85/FLAG2fd89f0e9 [2023-11-06 22:41:05,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/data/24c46fc62/cec3056e1e244a0d9b744a08e2ee9b85 [2023-11-06 22:41:05,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:41:05,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:41:05,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:05,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:41:05,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:41:05,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:05" (1/1) ... [2023-11-06 22:41:05,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1251b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:05, skipping insertion in model container [2023-11-06 22:41:05,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:05" (1/1) ... [2023-11-06 22:41:05,687 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:41:05,925 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c[1259,1272] [2023-11-06 22:41:06,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:06,320 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:41:06,336 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_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c[1259,1272] [2023-11-06 22:41:06,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:06,614 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:41:06,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:06 WrapperNode [2023-11-06 22:41:06,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:06,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:06,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:41:06,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:41:06,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:06" (1/1) ... [2023-11-06 22:41:06,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:06" (1/1) ... [2023-11-06 22:41:06,838 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1075 [2023-11-06 22:41:06,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:06,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:41:06,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:41:06,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:41:06,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:06" (1/1) ... [2023-11-06 22:41:06,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:06" (1/1) ... [2023-11-06 22:41:06,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:06" (1/1) ... [2023-11-06 22:41:06,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:06" (1/1) ... [2023-11-06 22:41:06,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:06" (1/1) ... [2023-11-06 22:41:06,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:06" (1/1) ... [2023-11-06 22:41:06,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:06" (1/1) ... [2023-11-06 22:41:06,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:06" (1/1) ... [2023-11-06 22:41:06,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:41:06,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:41:06,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:41:06,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:41:06,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:06" (1/1) ... [2023-11-06 22:41:06,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:07,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:07,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:07,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:41:07,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:41:07,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:41:07,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:41:07,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:41:07,447 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:41:07,449 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:41:09,469 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:41:09,481 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:41:09,481 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:41:09,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:09 BoogieIcfgContainer [2023-11-06 22:41:09,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:41:09,491 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:41:09,491 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:41:09,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:41:09,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:41:05" (1/3) ... [2023-11-06 22:41:09,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224c24c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:09, skipping insertion in model container [2023-11-06 22:41:09,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:06" (2/3) ... [2023-11-06 22:41:09,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224c24c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:09, skipping insertion in model container [2023-11-06 22:41:09,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:09" (3/3) ... [2023-11-06 22:41:09,506 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-11-06 22:41:09,531 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:41:09,532 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:41:09,612 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:41:09,623 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5090bc9f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:41:09,624 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:41:09,634 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:41:09,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 22:41:09,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:09,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:41:09,644 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:09,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:09,651 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2023-11-06 22:41:09,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:41:09,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538333069] [2023-11-06 22:41:09,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:09,669 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:41:09,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:41:09,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:41:09,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:41:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:10,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 22:41:10,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:10,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:41:10,396 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:10,397 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:41:10,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538333069] [2023-11-06 22:41:10,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1538333069] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:10,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:10,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:41:10,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321345573] [2023-11-06 22:41:10,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:10,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:41:10,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:41:10,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:41:10,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:41:10,439 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:41:10,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:10,642 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2023-11-06 22:41:10,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:41:10,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-06 22:41:10,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:10,653 INFO L225 Difference]: With dead ends: 19 [2023-11-06 22:41:10,653 INFO L226 Difference]: Without dead ends: 10 [2023-11-06 22:41:10,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:41:10,660 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:10,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:41:10,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-06 22:41:10,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2023-11-06 22:41:10,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:41:10,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-06 22:41:10,693 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2023-11-06 22:41:10,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:10,694 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-06 22:41:10,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:41:10,694 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-06 22:41:10,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:41:10,695 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:10,695 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:10,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-06 22:41:10,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:41:10,908 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:10,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:10,909 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2023-11-06 22:41:10,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:41:10,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33349422] [2023-11-06 22:41:10,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:10,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:41:10,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:41:10,914 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:41:10,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:41:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:12,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 115 conjunts are in the unsatisfiable core [2023-11-06 22:41:12,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:15,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:41:15,787 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:41:56,262 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 1416 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:42:36,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:42:36,226 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:42:36,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33349422] [2023-11-06 22:42:36,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33349422] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:42:36,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:42:36,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 22:42:36,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911069788] [2023-11-06 22:42:36,236 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:42:36,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:42:36,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:42:36,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:42:36,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=35, Unknown=3, NotChecked=0, Total=56 [2023-11-06 22:42:36,242 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:37,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:37,284 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2023-11-06 22:42:37,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:42:37,285 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-06 22:42:37,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:37,286 INFO L225 Difference]: With dead ends: 15 [2023-11-06 22:42:37,286 INFO L226 Difference]: Without dead ends: 13 [2023-11-06 22:42:37,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 19.2s TimeCoverageRelationStatistics Valid=33, Invalid=54, Unknown=3, NotChecked=0, Total=90 [2023-11-06 22:42:37,289 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:37,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 17 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:42:37,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-06 22:42:37,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-06 22:42:37,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-06 22:42:37,304 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2023-11-06 22:42:37,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:37,304 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-06 22:42:37,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:42:37,305 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-06 22:42:37,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:42:37,306 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:37,307 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-06 22:42:37,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:37,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:42:37,521 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:37,521 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:37,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2023-11-06 22:42:37,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:42:37,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469886061] [2023-11-06 22:42:37,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:42:37,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:42:37,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:42:37,545 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:42:37,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83ae805a-a5f6-4ac0-9310-2e153be3f1e4/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:42:41,789 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:42:41,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:42:41,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 1750 conjuncts, 212 conjunts are in the unsatisfiable core [2023-11-06 22:42:41,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:44,645 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:42:44,645 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:16,282 WARN L293 SmtUtils]: Spent 6.94s on a formula simplification that was a NOOP. DAG size: 1402 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)