./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5f4b32ab55ef7da7a1c45381b7a9ca93704fa76788ea88b9dbed6ebccc0ba509 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:15:07,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:15:07,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:15:07,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:15:07,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:15:07,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:15:07,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:15:07,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:15:07,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:15:07,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:15:07,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:15:07,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:15:07,647 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:15:07,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:15:07,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:15:07,648 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:15:07,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:15:07,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:15:07,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:15:07,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:15:07,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:15:07,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:15:07,657 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:15:07,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:15:07,658 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:15:07,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:15:07,660 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:15:07,660 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:15:07,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:07,661 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:15:07,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:15:07,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:15:07,668 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:15:07,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:15:07,669 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:15:07,670 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:15:07,670 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:15:07,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:15:07,671 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:15:07,671 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_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f4b32ab55ef7da7a1c45381b7a9ca93704fa76788ea88b9dbed6ebccc0ba509 [2023-11-12 02:15:07,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:15:07,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:15:07,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:15:08,000 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:15:08,002 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:15:08,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/eca-rers2012/Problem01_label10.c [2023-11-12 02:15:11,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:15:11,474 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:15:11,474 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/sv-benchmarks/c/eca-rers2012/Problem01_label10.c [2023-11-12 02:15:11,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/data/ca5b2cd15/be708eb5d2544393986463e54f3b3891/FLAG465aa544b [2023-11-12 02:15:11,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/data/ca5b2cd15/be708eb5d2544393986463e54f3b3891 [2023-11-12 02:15:11,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:15:11,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:15:11,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:11,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:15:11,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:15:11,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:11" (1/1) ... [2023-11-12 02:15:11,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3567ad97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:11, skipping insertion in model container [2023-11-12 02:15:11,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:11" (1/1) ... [2023-11-12 02:15:11,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:15:11,956 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_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/sv-benchmarks/c/eca-rers2012/Problem01_label10.c[19224,19237] [2023-11-12 02:15:12,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:12,032 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:15:12,136 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_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/sv-benchmarks/c/eca-rers2012/Problem01_label10.c[19224,19237] [2023-11-12 02:15:12,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:12,164 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:15:12,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:12 WrapperNode [2023-11-12 02:15:12,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:12,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:12,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:15:12,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:15:12,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:12" (1/1) ... [2023-11-12 02:15:12,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:12" (1/1) ... [2023-11-12 02:15:12,308 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 658 [2023-11-12 02:15:12,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:12,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:15:12,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:15:12,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:15:12,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:12" (1/1) ... [2023-11-12 02:15:12,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:12" (1/1) ... [2023-11-12 02:15:12,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:12" (1/1) ... [2023-11-12 02:15:12,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:12" (1/1) ... [2023-11-12 02:15:12,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:12" (1/1) ... [2023-11-12 02:15:12,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:12" (1/1) ... [2023-11-12 02:15:12,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:12" (1/1) ... [2023-11-12 02:15:12,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:12" (1/1) ... [2023-11-12 02:15:12,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:15:12,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:15:12,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:15:12,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:15:12,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:12" (1/1) ... [2023-11-12 02:15:12,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:12,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:12,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:15:12,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:15:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:15:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:15:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:15:12,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:15:12,620 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:15:12,622 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:15:13,786 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:15:13,800 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:15:13,800 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:15:13,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:13 BoogieIcfgContainer [2023-11-12 02:15:13,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:15:13,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:15:13,809 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:15:13,812 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:15:13,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:15:11" (1/3) ... [2023-11-12 02:15:13,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aaf77a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:13, skipping insertion in model container [2023-11-12 02:15:13,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:12" (2/3) ... [2023-11-12 02:15:13,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aaf77a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:13, skipping insertion in model container [2023-11-12 02:15:13,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:13" (3/3) ... [2023-11-12 02:15:13,819 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label10.c [2023-11-12 02:15:13,841 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:15:13,841 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:15:13,919 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:15:13,925 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@45c58831, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:15:13,926 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:15:13,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:13,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-12 02:15:13,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:13,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:13,946 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:13,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:13,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1265250489, now seen corresponding path program 1 times [2023-11-12 02:15:13,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:13,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673864830] [2023-11-12 02:15:13,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:13,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:15:14,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:14,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673864830] [2023-11-12 02:15:14,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673864830] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:14,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:14,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:15:14,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588563970] [2023-11-12 02:15:14,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:14,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:15:14,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:14,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:15:14,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:15:14,957 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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 27.5) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:16,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:16,384 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2023-11-12 02:15:16,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:15:16,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 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 110 [2023-11-12 02:15:16,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:16,413 INFO L225 Difference]: With dead ends: 662 [2023-11-12 02:15:16,414 INFO L226 Difference]: Without dead ends: 397 [2023-11-12 02:15:16,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:16,433 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 335 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:16,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 81 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-12 02:15:16,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2023-11-12 02:15:16,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2023-11-12 02:15:16,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.3055555555555556) internal successors, (517), 396 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:16,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2023-11-12 02:15:16,503 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 110 [2023-11-12 02:15:16,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:16,504 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2023-11-12 02:15:16,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:16,504 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2023-11-12 02:15:16,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-12 02:15:16,511 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:16,511 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:16,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:15:16,512 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:16,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:16,513 INFO L85 PathProgramCache]: Analyzing trace with hash 2120064666, now seen corresponding path program 1 times [2023-11-12 02:15:16,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:16,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230129675] [2023-11-12 02:15:16,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:16,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:17,033 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:15:17,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:17,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230129675] [2023-11-12 02:15:17,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230129675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:17,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:17,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:15:17,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059263042] [2023-11-12 02:15:17,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:17,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:15:17,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:17,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:15:17,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:15:17,040 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:17,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:17,944 INFO L93 Difference]: Finished difference Result 887 states and 1235 transitions. [2023-11-12 02:15:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:15:17,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 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 117 [2023-11-12 02:15:17,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:17,949 INFO L225 Difference]: With dead ends: 887 [2023-11-12 02:15:17,949 INFO L226 Difference]: Without dead ends: 528 [2023-11-12 02:15:17,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:15:17,952 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 126 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:17,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 83 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-12 02:15:17,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2023-11-12 02:15:17,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 397. [2023-11-12 02:15:17,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.196969696969697) internal successors, (474), 396 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2023-11-12 02:15:17,991 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 117 [2023-11-12 02:15:17,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:17,994 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2023-11-12 02:15:17,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:17,994 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2023-11-12 02:15:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-12 02:15:17,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:17,999 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:18,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:15:18,000 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:18,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:18,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1758005848, now seen corresponding path program 1 times [2023-11-12 02:15:18,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:18,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287168130] [2023-11-12 02:15:18,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:18,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:18,407 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:15:18,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:18,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287168130] [2023-11-12 02:15:18,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287168130] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:15:18,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28154751] [2023-11-12 02:15:18,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:18,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:18,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:18,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:18,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:15:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:18,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:15:18,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:15:18,818 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:18,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28154751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:18,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:15:18,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-11-12 02:15:18,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021973009] [2023-11-12 02:15:18,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:18,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:15:18,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:18,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:15:18,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:18,822 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:19,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:19,369 INFO L93 Difference]: Finished difference Result 1185 states and 1417 transitions. [2023-11-12 02:15:19,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:15:19,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 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 125 [2023-11-12 02:15:19,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:19,378 INFO L225 Difference]: With dead ends: 1185 [2023-11-12 02:15:19,378 INFO L226 Difference]: Without dead ends: 790 [2023-11-12 02:15:19,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:19,381 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 34 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:19,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 14 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:15:19,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2023-11-12 02:15:19,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2023-11-12 02:15:19,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 658 states have (on average 1.2279635258358663) internal successors, (808), 658 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:19,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 808 transitions. [2023-11-12 02:15:19,411 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 808 transitions. Word has length 125 [2023-11-12 02:15:19,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:19,412 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 808 transitions. [2023-11-12 02:15:19,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 808 transitions. [2023-11-12 02:15:19,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-12 02:15:19,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:19,415 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:19,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:15:19,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:19,622 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:19,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:19,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1288484661, now seen corresponding path program 1 times [2023-11-12 02:15:19,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:19,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031120882] [2023-11-12 02:15:19,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:19,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:19,952 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-12 02:15:19,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:19,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031120882] [2023-11-12 02:15:19,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031120882] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:15:19,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323919147] [2023-11-12 02:15:19,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:19,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:19,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:19,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:19,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:15:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:20,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:15:20,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:20,299 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-12 02:15:20,299 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:20,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323919147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:20,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:15:20,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-11-12 02:15:20,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423760499] [2023-11-12 02:15:20,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:20,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:15:20,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:20,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:15:20,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:20,309 INFO L87 Difference]: Start difference. First operand 659 states and 808 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:20,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:20,754 INFO L93 Difference]: Finished difference Result 1578 states and 1968 transitions. [2023-11-12 02:15:20,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:15:20,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 144 [2023-11-12 02:15:20,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:20,760 INFO L225 Difference]: With dead ends: 1578 [2023-11-12 02:15:20,760 INFO L226 Difference]: Without dead ends: 921 [2023-11-12 02:15:20,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:20,762 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 29 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:20,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 173 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:15:20,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2023-11-12 02:15:20,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 790. [2023-11-12 02:15:20,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 789 states have (on average 1.220532319391635) internal successors, (963), 789 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:20,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 963 transitions. [2023-11-12 02:15:20,787 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 963 transitions. Word has length 144 [2023-11-12 02:15:20,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:20,788 INFO L495 AbstractCegarLoop]: Abstraction has 790 states and 963 transitions. [2023-11-12 02:15:20,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:20,788 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 963 transitions. [2023-11-12 02:15:20,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-12 02:15:20,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:20,792 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:20,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:15:20,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-12 02:15:20,998 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:20,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:20,999 INFO L85 PathProgramCache]: Analyzing trace with hash 633098161, now seen corresponding path program 1 times [2023-11-12 02:15:20,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:20,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586002861] [2023-11-12 02:15:20,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:20,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:21,287 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-12 02:15:21,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:21,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586002861] [2023-11-12 02:15:21,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586002861] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:15:21,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082317568] [2023-11-12 02:15:21,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:21,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:21,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:21,295 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:21,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:15:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:21,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:15:21,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-12 02:15:21,498 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:21,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082317568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:21,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:15:21,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-11-12 02:15:21,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156525893] [2023-11-12 02:15:21,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:21,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:15:21,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:21,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:15:21,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:21,502 INFO L87 Difference]: Start difference. First operand 790 states and 963 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:22,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:22,010 INFO L93 Difference]: Finished difference Result 1971 states and 2392 transitions. [2023-11-12 02:15:22,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:15:22,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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 160 [2023-11-12 02:15:22,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:22,019 INFO L225 Difference]: With dead ends: 1971 [2023-11-12 02:15:22,020 INFO L226 Difference]: Without dead ends: 1183 [2023-11-12 02:15:22,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:22,023 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 135 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:22,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 31 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:15:22,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2023-11-12 02:15:22,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 790. [2023-11-12 02:15:22,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 789 states have (on average 1.220532319391635) internal successors, (963), 789 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:22,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 963 transitions. [2023-11-12 02:15:22,052 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 963 transitions. Word has length 160 [2023-11-12 02:15:22,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:22,052 INFO L495 AbstractCegarLoop]: Abstraction has 790 states and 963 transitions. [2023-11-12 02:15:22,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 963 transitions. [2023-11-12 02:15:22,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-12 02:15:22,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:22,059 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:22,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:15:22,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:22,271 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:22,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:22,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1234264243, now seen corresponding path program 1 times [2023-11-12 02:15:22,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:22,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590880844] [2023-11-12 02:15:22,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:22,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:22,477 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-12 02:15:22,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:22,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590880844] [2023-11-12 02:15:22,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590880844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:22,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:22,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:15:22,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681711530] [2023-11-12 02:15:22,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:22,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:15:22,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:22,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:15:22,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:15:22,480 INFO L87 Difference]: Start difference. First operand 790 states and 963 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:22,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:22,953 INFO L93 Difference]: Finished difference Result 1840 states and 2241 transitions. [2023-11-12 02:15:22,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:15:22,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 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 163 [2023-11-12 02:15:22,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:22,959 INFO L225 Difference]: With dead ends: 1840 [2023-11-12 02:15:22,960 INFO L226 Difference]: Without dead ends: 1052 [2023-11-12 02:15:22,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:15:22,962 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 105 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:22,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 48 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:15:22,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2023-11-12 02:15:23,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2023-11-12 02:15:23,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.1874405328258801) internal successors, (1248), 1051 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:23,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1248 transitions. [2023-11-12 02:15:23,018 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1248 transitions. Word has length 163 [2023-11-12 02:15:23,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:23,019 INFO L495 AbstractCegarLoop]: Abstraction has 1052 states and 1248 transitions. [2023-11-12 02:15:23,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:23,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1248 transitions. [2023-11-12 02:15:23,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-12 02:15:23,024 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:23,024 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:23,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:15:23,025 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:23,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:23,025 INFO L85 PathProgramCache]: Analyzing trace with hash 286584158, now seen corresponding path program 1 times [2023-11-12 02:15:23,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:23,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903854324] [2023-11-12 02:15:23,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:23,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:23,396 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-12 02:15:23,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:23,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903854324] [2023-11-12 02:15:23,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903854324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:23,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:23,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:15:23,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697394634] [2023-11-12 02:15:23,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:23,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:15:23,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:23,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:15:23,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:15:23,400 INFO L87 Difference]: Start difference. First operand 1052 states and 1248 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:24,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:24,217 INFO L93 Difference]: Finished difference Result 2757 states and 3256 transitions. [2023-11-12 02:15:24,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:15:24,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 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 178 [2023-11-12 02:15:24,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:24,227 INFO L225 Difference]: With dead ends: 2757 [2023-11-12 02:15:24,227 INFO L226 Difference]: Without dead ends: 1707 [2023-11-12 02:15:24,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:15:24,230 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 251 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:24,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 49 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-12 02:15:24,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2023-11-12 02:15:24,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1445. [2023-11-12 02:15:24,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.1710526315789473) internal successors, (1691), 1444 states have internal predecessors, (1691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:24,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1691 transitions. [2023-11-12 02:15:24,271 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1691 transitions. Word has length 178 [2023-11-12 02:15:24,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:24,272 INFO L495 AbstractCegarLoop]: Abstraction has 1445 states and 1691 transitions. [2023-11-12 02:15:24,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:24,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1691 transitions. [2023-11-12 02:15:24,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-12 02:15:24,277 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:24,277 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:24,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:15:24,278 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:24,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:24,283 INFO L85 PathProgramCache]: Analyzing trace with hash 623014397, now seen corresponding path program 1 times [2023-11-12 02:15:24,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:24,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936623822] [2023-11-12 02:15:24,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:24,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 103 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-12 02:15:24,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:24,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936623822] [2023-11-12 02:15:24,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936623822] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:15:24,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046409451] [2023-11-12 02:15:24,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:24,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:24,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:24,702 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:24,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:15:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:24,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:15:24,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-12 02:15:24,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:24,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046409451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:24,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:15:24,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2023-11-12 02:15:24,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173001394] [2023-11-12 02:15:24,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:24,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:15:24,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:24,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:15:24,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:24,901 INFO L87 Difference]: Start difference. First operand 1445 states and 1691 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:25,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:25,454 INFO L93 Difference]: Finished difference Result 2886 states and 3327 transitions. [2023-11-12 02:15:25,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:15:25,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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 196 [2023-11-12 02:15:25,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:25,456 INFO L225 Difference]: With dead ends: 2886 [2023-11-12 02:15:25,456 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:15:25,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:25,460 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 135 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:25,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 28 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:15:25,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:15:25,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:15:25,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:25,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:15:25,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2023-11-12 02:15:25,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:25,462 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:15:25,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:15:25,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:15:25,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:15:25,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:15:25,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:15:25,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-12 02:15:25,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:15:26,026 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2023-11-12 02:15:26,027 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2023-11-12 02:15:26,027 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2023-11-12 02:15:26,027 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2023-11-12 02:15:26,027 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2023-11-12 02:15:26,027 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2023-11-12 02:15:26,027 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2023-11-12 02:15:26,028 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2023-11-12 02:15:26,028 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,028 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,028 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,030 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,030 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2023-11-12 02:15:26,031 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,031 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,031 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2023-11-12 02:15:26,031 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2023-11-12 02:15:26,031 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2023-11-12 02:15:26,032 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2023-11-12 02:15:26,032 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2023-11-12 02:15:26,032 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2023-11-12 02:15:26,032 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2023-11-12 02:15:26,032 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2023-11-12 02:15:26,032 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2023-11-12 02:15:26,032 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2023-11-12 02:15:26,033 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2023-11-12 02:15:26,033 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2023-11-12 02:15:26,033 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,033 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,033 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,033 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,035 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,035 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2023-11-12 02:15:26,035 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,035 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2023-11-12 02:15:26,036 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2023-11-12 02:15:26,036 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2023-11-12 02:15:26,036 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2023-11-12 02:15:26,036 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2023-11-12 02:15:26,036 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2023-11-12 02:15:26,036 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2023-11-12 02:15:26,036 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2023-11-12 02:15:26,037 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2023-11-12 02:15:26,037 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2023-11-12 02:15:26,037 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2023-11-12 02:15:26,037 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2023-11-12 02:15:26,037 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2023-11-12 02:15:26,037 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2023-11-12 02:15:26,038 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,038 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,038 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,038 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,038 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,038 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,038 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2023-11-12 02:15:26,039 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2023-11-12 02:15:26,039 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2023-11-12 02:15:26,040 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2023-11-12 02:15:26,040 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2023-11-12 02:15:26,040 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2023-11-12 02:15:26,040 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2023-11-12 02:15:26,040 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2023-11-12 02:15:26,040 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2023-11-12 02:15:26,041 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2023-11-12 02:15:26,041 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2023-11-12 02:15:26,041 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2023-11-12 02:15:26,041 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,041 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,041 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,041 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,042 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,042 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,042 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2023-11-12 02:15:26,042 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2023-11-12 02:15:26,042 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2023-11-12 02:15:26,042 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2023-11-12 02:15:26,043 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2023-11-12 02:15:26,043 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2023-11-12 02:15:26,043 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2023-11-12 02:15:26,043 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2023-11-12 02:15:26,043 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2023-11-12 02:15:26,043 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2023-11-12 02:15:26,043 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,044 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,044 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,044 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,044 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,044 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,044 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2023-11-12 02:15:26,045 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2023-11-12 02:15:26,045 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2023-11-12 02:15:26,045 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2023-11-12 02:15:26,045 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2023-11-12 02:15:26,045 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2023-11-12 02:15:26,046 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2023-11-12 02:15:26,046 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2023-11-12 02:15:26,046 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2023-11-12 02:15:26,046 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2023-11-12 02:15:26,047 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2023-11-12 02:15:26,047 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2023-11-12 02:15:26,047 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2023-11-12 02:15:26,047 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2023-11-12 02:15:26,047 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2023-11-12 02:15:26,047 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,048 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,048 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,048 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,048 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,048 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2023-11-12 02:15:26,048 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2023-11-12 02:15:26,048 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2023-11-12 02:15:26,049 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2023-11-12 02:15:26,049 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2023-11-12 02:15:26,049 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2023-11-12 02:15:26,049 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2023-11-12 02:15:26,049 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-11-12 02:15:26,049 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2023-11-12 02:15:26,050 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,050 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,051 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,051 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,051 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,051 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2023-11-12 02:15:26,051 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2023-11-12 02:15:26,051 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2023-11-12 02:15:26,052 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-11-12 02:15:26,052 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2023-11-12 02:15:26,052 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2023-11-12 02:15:26,052 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2023-11-12 02:15:26,052 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2023-11-12 02:15:26,053 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2023-11-12 02:15:26,053 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2023-11-12 02:15:26,053 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2023-11-12 02:15:26,053 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2023-11-12 02:15:26,053 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:15:26,053 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2023-11-12 02:15:26,054 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 604) no Hoare annotation was computed. [2023-11-12 02:15:26,054 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,054 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,054 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,054 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,054 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,054 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2023-11-12 02:15:26,055 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2023-11-12 02:15:26,055 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2023-11-12 02:15:26,055 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2023-11-12 02:15:26,055 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2023-11-12 02:15:26,055 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2023-11-12 02:15:26,055 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-11-12 02:15:26,056 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2023-11-12 02:15:26,056 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2023-11-12 02:15:26,056 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:15:26,056 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,056 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,056 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,056 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,057 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2023-11-12 02:15:26,057 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,057 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2023-11-12 02:15:26,057 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2023-11-12 02:15:26,057 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2023-11-12 02:15:26,057 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2023-11-12 02:15:26,057 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2023-11-12 02:15:26,058 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2023-11-12 02:15:26,058 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2023-11-12 02:15:26,058 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:15:26,058 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2023-11-12 02:15:26,058 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2023-11-12 02:15:26,058 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2023-11-12 02:15:26,059 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2023-11-12 02:15:26,059 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2023-11-12 02:15:26,059 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2023-11-12 02:15:26,059 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,060 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse2 (= ~a12~0 8)) (.cse3 (= ~a21~0 1)) (.cse4 (= ~a17~0 1)) (.cse5 (= ~a20~0 1)) (.cse0 (not (= ~a7~0 1))) (.cse1 (<= ~a16~0 5))) (or (< ~a21~0 1) (and .cse0 .cse1) (and .cse2 (= ~a8~0 13) .cse3 .cse4 .cse5 (= ~a16~0 4)) (and .cse2 .cse0 .cse3 .cse4 .cse5) (and .cse0 (<= 15 ~a8~0)) (and (<= 14 ~a8~0) .cse1))) [2023-11-12 02:15:26,061 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,061 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,063 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,063 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,064 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2023-11-12 02:15:26,064 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:15:26,064 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,064 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2023-11-12 02:15:26,064 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2023-11-12 02:15:26,064 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2023-11-12 02:15:26,065 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2023-11-12 02:15:26,065 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2023-11-12 02:15:26,065 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2023-11-12 02:15:26,065 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2023-11-12 02:15:26,065 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2023-11-12 02:15:26,065 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,065 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,066 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,066 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,066 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2023-11-12 02:15:26,066 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2023-11-12 02:15:26,066 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2023-11-12 02:15:26,066 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2023-11-12 02:15:26,067 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2023-11-12 02:15:26,071 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:15:26,073 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:15:26,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:15:26 BoogieIcfgContainer [2023-11-12 02:15:26,101 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:15:26,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:15:26,101 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:15:26,102 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:15:26,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:13" (3/4) ... [2023-11-12 02:15:26,104 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:15:26,132 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-12 02:15:26,133 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:15:26,134 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:15:26,136 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:15:26,332 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:15:26,333 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:15:26,333 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:15:26,334 INFO L158 Benchmark]: Toolchain (without parser) took 14828.23ms. Allocated memory was 163.6MB in the beginning and 293.6MB in the end (delta: 130.0MB). Free memory was 115.9MB in the beginning and 163.6MB in the end (delta: -47.7MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. [2023-11-12 02:15:26,334 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:15:26,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.26ms. Allocated memory is still 163.6MB. Free memory was 115.9MB in the beginning and 87.9MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-12 02:15:26,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.71ms. Allocated memory is still 163.6MB. Free memory was 87.9MB in the beginning and 130.3MB in the end (delta: -42.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-11-12 02:15:26,336 INFO L158 Benchmark]: Boogie Preprocessor took 113.92ms. Allocated memory is still 163.6MB. Free memory was 130.3MB in the beginning and 125.9MB in the end (delta: 4.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:15:26,337 INFO L158 Benchmark]: RCFGBuilder took 1379.87ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 125.9MB in the beginning and 159.8MB in the end (delta: -33.8MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2023-11-12 02:15:26,337 INFO L158 Benchmark]: TraceAbstraction took 12292.46ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 158.7MB in the beginning and 176.2MB in the end (delta: -17.5MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2023-11-12 02:15:26,338 INFO L158 Benchmark]: Witness Printer took 231.94ms. Allocated memory is still 293.6MB. Free memory was 176.2MB in the beginning and 163.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:15:26,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.26ms. Allocated memory is still 163.6MB. Free memory was 115.9MB in the beginning and 87.9MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.71ms. Allocated memory is still 163.6MB. Free memory was 87.9MB in the beginning and 130.3MB in the end (delta: -42.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.92ms. Allocated memory is still 163.6MB. Free memory was 130.3MB in the beginning and 125.9MB in the end (delta: 4.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1379.87ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 125.9MB in the beginning and 159.8MB in the end (delta: -33.8MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * TraceAbstraction took 12292.46ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 158.7MB in the beginning and 176.2MB in the end (delta: -17.5MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. * Witness Printer took 231.94ms. Allocated memory is still 293.6MB. Free memory was 176.2MB in the beginning and 163.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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 - PositiveResult [Line: 516]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 8, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1150 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1150 mSDsluCounter, 507 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67 mSDsCounter, 630 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3384 IncrementalHoareTripleChecker+Invalid, 4014 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 630 mSolverCounterUnsat, 440 mSDtfsCounter, 3384 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 645 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1445occurred in iteration=7, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1048 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 13 NumberOfFragments, 63 HoareAnnotationTreeSize, 1 FomulaSimplifications, 250 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 1 FomulaSimplificationsInter, 668 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1818 NumberOfCodeBlocks, 1818 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1806 ConstructedInterpolants, 0 QuantifiedInterpolants, 7232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1244 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 798/836 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((a21 < 1) || (!((a7 == 1)) && (a16 <= 5))) || ((((((a12 == 8) && (a8 == 13)) && (a21 == 1)) && (a17 == 1)) && (a20 == 1)) && (a16 == 4))) || (((((a12 == 8) && !((a7 == 1))) && (a21 == 1)) && (a17 == 1)) && (a20 == 1))) || (!((a7 == 1)) && (15 <= a8))) || ((14 <= a8) && (a16 <= 5))) RESULT: Ultimate proved your program to be correct! [2023-11-12 02:15:26,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6690d33e-ea2a-4e48-a7f4-5aeff6aa41ac/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE