./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/recHanoi01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:37:13,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:37:13,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 00:37:13,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:37:13,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:37:13,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:37:13,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:37:13,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:37:13,658 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:37:13,659 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:37:13,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:37:13,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:37:13,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:37:13,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:37:13,662 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:37:13,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:37:13,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:37:13,663 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:37:13,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:37:13,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:37:13,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:37:13,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:37:13,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:37:13,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:37:13,666 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 00:37:13,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:37:13,667 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:37:13,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:37:13,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:37:13,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:37:13,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:37:13,669 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:37:13,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:37:13,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:37:13,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:37:13,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:37:13,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:37:13,670 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:37:13,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:37:13,671 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:37:13,671 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:37:13,671 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:37:13,671 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:37:13,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:37:13,672 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_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2023-11-29 00:37:13,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:37:14,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:37:14,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:37:14,013 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:37:14,013 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:37:14,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/recursive/recHanoi01.c [2023-11-29 00:37:17,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:37:17,491 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:37:17,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/sv-benchmarks/c/recursive/recHanoi01.c [2023-11-29 00:37:17,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/data/86b12f5a7/40a1ebbb9453447a88435836a8b75aa4/FLAGe7c7be0cc [2023-11-29 00:37:17,517 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/data/86b12f5a7/40a1ebbb9453447a88435836a8b75aa4 [2023-11-29 00:37:17,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:37:17,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:37:17,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:37:17,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:37:17,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:37:17,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:37:17" (1/1) ... [2023-11-29 00:37:17,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe4ad1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17, skipping insertion in model container [2023-11-29 00:37:17,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:37:17" (1/1) ... [2023-11-29 00:37:17,560 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:37:17,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:37:17,759 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:37:17,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:37:17,790 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:37:17,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17 WrapperNode [2023-11-29 00:37:17,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:37:17,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:37:17,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:37:17,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:37:17,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17" (1/1) ... [2023-11-29 00:37:17,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17" (1/1) ... [2023-11-29 00:37:17,823 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2023-11-29 00:37:17,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:37:17,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:37:17,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:37:17,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:37:17,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17" (1/1) ... [2023-11-29 00:37:17,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17" (1/1) ... [2023-11-29 00:37:17,836 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17" (1/1) ... [2023-11-29 00:37:17,844 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 00:37:17,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17" (1/1) ... [2023-11-29 00:37:17,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17" (1/1) ... [2023-11-29 00:37:17,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17" (1/1) ... [2023-11-29 00:37:17,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17" (1/1) ... [2023-11-29 00:37:17,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17" (1/1) ... [2023-11-29 00:37:17,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17" (1/1) ... [2023-11-29 00:37:17,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:37:17,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:37:17,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:37:17,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:37:17,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17" (1/1) ... [2023-11-29 00:37:17,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:37:17,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:17,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:37:17,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:37:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:37:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2023-11-29 00:37:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2023-11-29 00:37:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2023-11-29 00:37:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2023-11-29 00:37:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:37:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:37:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:37:17,976 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:37:17,978 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:37:18,121 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:37:18,143 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:37:18,143 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 00:37:18,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:37:18 BoogieIcfgContainer [2023-11-29 00:37:18,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:37:18,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:37:18,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:37:18,150 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:37:18,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:37:17" (1/3) ... [2023-11-29 00:37:18,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f147dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:37:18, skipping insertion in model container [2023-11-29 00:37:18,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:37:17" (2/3) ... [2023-11-29 00:37:18,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f147dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:37:18, skipping insertion in model container [2023-11-29 00:37:18,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:37:18" (3/3) ... [2023-11-29 00:37:18,153 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2023-11-29 00:37:18,168 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:37:18,168 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-29 00:37:18,210 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:37:18,217 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;@1f36df43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:37:18,217 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-29 00:37:18,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 00:37:18,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 00:37:18,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:18,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-29 00:37:18,227 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:18,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:18,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1272074397, now seen corresponding path program 1 times [2023-11-29 00:37:18,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:18,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830039256] [2023-11-29 00:37:18,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:18,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:18,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:18,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:18,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830039256] [2023-11-29 00:37:18,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830039256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:18,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:18,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:37:18,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187612427] [2023-11-29 00:37:18,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:18,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:37:18,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:18,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:37:18,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:37:18,488 INFO L87 Difference]: Start difference. First operand has 44 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:18,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:18,561 INFO L93 Difference]: Finished difference Result 77 states and 85 transitions. [2023-11-29 00:37:18,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:37:18,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-29 00:37:18,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:18,571 INFO L225 Difference]: With dead ends: 77 [2023-11-29 00:37:18,571 INFO L226 Difference]: Without dead ends: 65 [2023-11-29 00:37:18,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:37:18,578 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 31 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:18,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 125 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:37:18,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-29 00:37:18,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 46. [2023-11-29 00:37:18,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 39 states have internal predecessors, (41), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-29 00:37:18,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2023-11-29 00:37:18,621 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 6 [2023-11-29 00:37:18,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:18,622 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2023-11-29 00:37:18,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:18,622 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-11-29 00:37:18,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 00:37:18,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:18,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:18,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:37:18,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:18,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:18,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1602185061, now seen corresponding path program 1 times [2023-11-29 00:37:18,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:18,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028744209] [2023-11-29 00:37:18,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:18,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:18,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:18,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028744209] [2023-11-29 00:37:18,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028744209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:18,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:18,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:37:18,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297357653] [2023-11-29 00:37:18,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:18,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:37:18,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:18,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:37:18,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:37:18,707 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:18,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:18,782 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2023-11-29 00:37:18,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:37:18,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-29 00:37:18,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:18,784 INFO L225 Difference]: With dead ends: 77 [2023-11-29 00:37:18,784 INFO L226 Difference]: Without dead ends: 54 [2023-11-29 00:37:18,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:37:18,787 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 18 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:18,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 134 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:37:18,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-29 00:37:18,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2023-11-29 00:37:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.5333333333333334) internal successors, (46), 43 states have internal predecessors, (46), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 00:37:18,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2023-11-29 00:37:18,798 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 8 [2023-11-29 00:37:18,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:18,799 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2023-11-29 00:37:18,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:18,800 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2023-11-29 00:37:18,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 00:37:18,800 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:18,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:18,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:37:18,801 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:18,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:18,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1871870619, now seen corresponding path program 1 times [2023-11-29 00:37:18,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:18,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007648666] [2023-11-29 00:37:18,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:18,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:18,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:18,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007648666] [2023-11-29 00:37:18,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007648666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:18,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:18,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:37:18,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271202055] [2023-11-29 00:37:18,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:18,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:37:18,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:18,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:37:18,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:37:18,876 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:18,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:18,932 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2023-11-29 00:37:18,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:37:18,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-29 00:37:18,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:18,934 INFO L225 Difference]: With dead ends: 52 [2023-11-29 00:37:18,934 INFO L226 Difference]: Without dead ends: 50 [2023-11-29 00:37:18,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:37:18,936 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 23 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:18,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 98 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:37:18,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-29 00:37:18,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-29 00:37:18,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.4) internal successors, (42), 41 states have internal predecessors, (42), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 00:37:18,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2023-11-29 00:37:18,947 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 9 [2023-11-29 00:37:18,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:18,948 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2023-11-29 00:37:18,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:18,948 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2023-11-29 00:37:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 00:37:18,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:18,949 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:18,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:37:18,950 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:18,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:18,951 INFO L85 PathProgramCache]: Analyzing trace with hash -371390904, now seen corresponding path program 1 times [2023-11-29 00:37:18,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:18,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717084128] [2023-11-29 00:37:18,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:18,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:19,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:19,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717084128] [2023-11-29 00:37:19,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717084128] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:19,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711875428] [2023-11-29 00:37:19,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:19,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:19,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:19,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:19,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:37:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:19,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 00:37:19,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:19,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:19,232 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:37:19,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711875428] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:19,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:37:19,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-29 00:37:19,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635547139] [2023-11-29 00:37:19,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:19,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:37:19,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:19,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:37:19,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:37:19,235 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:19,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:19,279 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2023-11-29 00:37:19,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:37:19,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-29 00:37:19,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:19,281 INFO L225 Difference]: With dead ends: 50 [2023-11-29 00:37:19,281 INFO L226 Difference]: Without dead ends: 49 [2023-11-29 00:37:19,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:37:19,283 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 37 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:19,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 112 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:37:19,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-29 00:37:19,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-29 00:37:19,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 40 states have internal predecessors, (41), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 00:37:19,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2023-11-29 00:37:19,293 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 13 [2023-11-29 00:37:19,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:19,293 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2023-11-29 00:37:19,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:19,294 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-29 00:37:19,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 00:37:19,294 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:19,295 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:19,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:37:19,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:19,500 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:19,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:19,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1371783902, now seen corresponding path program 1 times [2023-11-29 00:37:19,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:19,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105078220] [2023-11-29 00:37:19,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:19,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:19,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:19,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105078220] [2023-11-29 00:37:19,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105078220] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:19,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169900478] [2023-11-29 00:37:19,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:19,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:19,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:19,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:19,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 00:37:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:19,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 00:37:19,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:19,732 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:19,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:19,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169900478] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:19,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:19,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-29 00:37:19,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637152499] [2023-11-29 00:37:19,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:19,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 00:37:19,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:19,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 00:37:19,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:37:19,795 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 12 states have internal predecessors, (28), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:19,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:19,943 INFO L93 Difference]: Finished difference Result 156 states and 188 transitions. [2023-11-29 00:37:19,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:37:19,944 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 12 states have internal predecessors, (28), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-29 00:37:19,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:19,948 INFO L225 Difference]: With dead ends: 156 [2023-11-29 00:37:19,948 INFO L226 Difference]: Without dead ends: 155 [2023-11-29 00:37:19,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-29 00:37:19,949 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 101 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:19,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 252 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:37:19,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-29 00:37:19,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 88. [2023-11-29 00:37:19,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 59 states have (on average 1.305084745762712) internal successors, (77), 71 states have internal predecessors, (77), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (28), 13 states have call predecessors, (28), 13 states have call successors, (28) [2023-11-29 00:37:19,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2023-11-29 00:37:19,968 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 14 [2023-11-29 00:37:19,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:19,968 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2023-11-29 00:37:19,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 12 states have internal predecessors, (28), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:19,969 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2023-11-29 00:37:19,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-29 00:37:19,969 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:19,969 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:19,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 00:37:20,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:20,175 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:20,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:20,176 INFO L85 PathProgramCache]: Analyzing trace with hash -424371958, now seen corresponding path program 1 times [2023-11-29 00:37:20,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:20,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569749270] [2023-11-29 00:37:20,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:20,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:20,242 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:20,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:20,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569749270] [2023-11-29 00:37:20,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569749270] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:20,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971928481] [2023-11-29 00:37:20,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:20,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:20,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:20,244 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:20,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 00:37:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:20,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:37:20,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:20,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:20,328 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:20,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:20,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971928481] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:20,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:20,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-11-29 00:37:20,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994645159] [2023-11-29 00:37:20,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:20,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 00:37:20,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:20,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 00:37:20,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:37:20,402 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:20,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:20,520 INFO L93 Difference]: Finished difference Result 94 states and 125 transitions. [2023-11-29 00:37:20,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:37:20,521 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-29 00:37:20,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:20,522 INFO L225 Difference]: With dead ends: 94 [2023-11-29 00:37:20,523 INFO L226 Difference]: Without dead ends: 92 [2023-11-29 00:37:20,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:37:20,524 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 52 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:20,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 173 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:37:20,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-29 00:37:20,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-29 00:37:20,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 62 states have (on average 1.1935483870967742) internal successors, (74), 72 states have internal predecessors, (74), 14 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (31), 13 states have call predecessors, (31), 13 states have call successors, (31) [2023-11-29 00:37:20,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2023-11-29 00:37:20,543 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 15 [2023-11-29 00:37:20,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:20,543 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2023-11-29 00:37:20,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:20,544 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2023-11-29 00:37:20,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-29 00:37:20,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:20,545 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:20,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 00:37:20,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:20,752 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:20,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:20,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1375829865, now seen corresponding path program 1 times [2023-11-29 00:37:20,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:20,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902645958] [2023-11-29 00:37:20,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:20,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:37:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:20,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:20,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:37:20,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:20,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902645958] [2023-11-29 00:37:20,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902645958] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:20,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:20,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:37:20,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994028728] [2023-11-29 00:37:20,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:20,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:37:20,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:20,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:37:20,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:37:20,824 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 6 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:37:20,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:20,937 INFO L93 Difference]: Finished difference Result 112 states and 141 transitions. [2023-11-29 00:37:20,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:37:20,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2023-11-29 00:37:20,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:20,940 INFO L225 Difference]: With dead ends: 112 [2023-11-29 00:37:20,940 INFO L226 Difference]: Without dead ends: 109 [2023-11-29 00:37:20,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:37:20,941 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 72 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:20,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 75 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:37:20,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-29 00:37:20,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 102. [2023-11-29 00:37:20,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 80 states have internal predecessors, (87), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32) [2023-11-29 00:37:20,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 134 transitions. [2023-11-29 00:37:20,959 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 134 transitions. Word has length 27 [2023-11-29 00:37:20,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:20,960 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 134 transitions. [2023-11-29 00:37:20,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:37:20,960 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 134 transitions. [2023-11-29 00:37:20,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-29 00:37:20,961 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:20,961 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:20,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:37:20,962 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:20,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:20,962 INFO L85 PathProgramCache]: Analyzing trace with hash -298947087, now seen corresponding path program 1 times [2023-11-29 00:37:20,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:20,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022280646] [2023-11-29 00:37:20,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:20,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:21,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:37:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:21,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:21,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:21,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 00:37:21,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:21,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022280646] [2023-11-29 00:37:21,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022280646] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:21,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085992126] [2023-11-29 00:37:21,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:21,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:21,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:21,147 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:21,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 00:37:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:21,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:37:21,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:21,246 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:37:21,246 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:37:21,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085992126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:21,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:37:21,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 13 [2023-11-29 00:37:21,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452146770] [2023-11-29 00:37:21,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:21,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:37:21,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:21,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:37:21,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:37:21,248 INFO L87 Difference]: Start difference. First operand 102 states and 134 transitions. Second operand has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:37:21,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:21,281 INFO L93 Difference]: Finished difference Result 102 states and 134 transitions. [2023-11-29 00:37:21,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:37:21,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2023-11-29 00:37:21,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:21,283 INFO L225 Difference]: With dead ends: 102 [2023-11-29 00:37:21,283 INFO L226 Difference]: Without dead ends: 101 [2023-11-29 00:37:21,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:37:21,284 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 29 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:21,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 94 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:37:21,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-29 00:37:21,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-11-29 00:37:21,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 71 states have (on average 1.1971830985915493) internal successors, (85), 79 states have internal predecessors, (85), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32) [2023-11-29 00:37:21,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 132 transitions. [2023-11-29 00:37:21,301 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 132 transitions. Word has length 28 [2023-11-29 00:37:21,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:21,301 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 132 transitions. [2023-11-29 00:37:21,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:37:21,302 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 132 transitions. [2023-11-29 00:37:21,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-29 00:37:21,303 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:21,303 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 00:37:21,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 00:37:21,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:21,508 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:21,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:21,508 INFO L85 PathProgramCache]: Analyzing trace with hash 882960356, now seen corresponding path program 1 times [2023-11-29 00:37:21,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:21,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363841145] [2023-11-29 00:37:21,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:21,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:21,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:37:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:21,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:21,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:37:21,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:21,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363841145] [2023-11-29 00:37:21,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363841145] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:21,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046332074] [2023-11-29 00:37:21,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:21,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:21,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:21,588 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:21,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 00:37:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:21,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:37:21,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:37:21,670 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:37:21,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046332074] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:21,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:21,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2023-11-29 00:37:21,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336880123] [2023-11-29 00:37:21,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:21,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:37:21,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:21,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:37:21,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:37:21,764 INFO L87 Difference]: Start difference. First operand 101 states and 132 transitions. Second operand has 13 states, 10 states have (on average 2.8) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 00:37:22,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:22,101 INFO L93 Difference]: Finished difference Result 162 states and 195 transitions. [2023-11-29 00:37:22,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 00:37:22,103 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 2.8) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 32 [2023-11-29 00:37:22,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:22,105 INFO L225 Difference]: With dead ends: 162 [2023-11-29 00:37:22,105 INFO L226 Difference]: Without dead ends: 161 [2023-11-29 00:37:22,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2023-11-29 00:37:22,107 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 210 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:22,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 162 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:37:22,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-11-29 00:37:22,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 137. [2023-11-29 00:37:22,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 109 states have internal predecessors, (130), 18 states have call successors, (18), 10 states have call predecessors, (18), 12 states have return successors, (35), 17 states have call predecessors, (35), 17 states have call successors, (35) [2023-11-29 00:37:22,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 183 transitions. [2023-11-29 00:37:22,124 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 183 transitions. Word has length 32 [2023-11-29 00:37:22,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:22,125 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 183 transitions. [2023-11-29 00:37:22,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 2.8) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 00:37:22,125 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 183 transitions. [2023-11-29 00:37:22,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-29 00:37:22,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:22,127 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-29 00:37:22,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 00:37:22,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:22,332 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:22,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:22,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1891804754, now seen corresponding path program 1 times [2023-11-29 00:37:22,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:22,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143936696] [2023-11-29 00:37:22,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:22,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:22,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:37:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:22,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:22,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:22,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 00:37:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:22,409 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-29 00:37:22,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:22,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143936696] [2023-11-29 00:37:22,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143936696] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:22,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:37:22,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:37:22,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834104037] [2023-11-29 00:37:22,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:22,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:37:22,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:22,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:37:22,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:37:22,412 INFO L87 Difference]: Start difference. First operand 137 states and 183 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 00:37:22,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:22,524 INFO L93 Difference]: Finished difference Result 174 states and 236 transitions. [2023-11-29 00:37:22,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:37:22,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2023-11-29 00:37:22,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:22,527 INFO L225 Difference]: With dead ends: 174 [2023-11-29 00:37:22,527 INFO L226 Difference]: Without dead ends: 163 [2023-11-29 00:37:22,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:37:22,529 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 52 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:22,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 76 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:37:22,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-11-29 00:37:22,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2023-11-29 00:37:22,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 124 states have (on average 1.2258064516129032) internal successors, (152), 131 states have internal predecessors, (152), 18 states have call successors, (18), 10 states have call predecessors, (18), 15 states have return successors, (39), 21 states have call predecessors, (39), 17 states have call successors, (39) [2023-11-29 00:37:22,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 209 transitions. [2023-11-29 00:37:22,558 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 209 transitions. Word has length 35 [2023-11-29 00:37:22,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:22,558 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 209 transitions. [2023-11-29 00:37:22,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 00:37:22,559 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 209 transitions. [2023-11-29 00:37:22,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-29 00:37:22,560 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:22,561 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1] [2023-11-29 00:37:22,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 00:37:22,561 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:22,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:22,562 INFO L85 PathProgramCache]: Analyzing trace with hash -441273245, now seen corresponding path program 2 times [2023-11-29 00:37:22,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:22,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678258931] [2023-11-29 00:37:22,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:22,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:22,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:22,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678258931] [2023-11-29 00:37:22,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678258931] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:22,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221727176] [2023-11-29 00:37:22,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:37:22,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:22,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:22,800 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:22,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 00:37:22,867 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 00:37:22,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:37:22,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 00:37:22,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:22,953 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:23,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221727176] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:23,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:23,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2023-11-29 00:37:23,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467121297] [2023-11-29 00:37:23,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:23,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 00:37:23,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:23,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 00:37:23,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2023-11-29 00:37:23,123 INFO L87 Difference]: Start difference. First operand 163 states and 209 transitions. Second operand has 24 states, 23 states have (on average 2.782608695652174) internal successors, (64), 24 states have internal predecessors, (64), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:23,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:23,614 INFO L93 Difference]: Finished difference Result 1094 states and 1448 transitions. [2023-11-29 00:37:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-29 00:37:23,614 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.782608695652174) internal successors, (64), 24 states have internal predecessors, (64), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-11-29 00:37:23,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:23,621 INFO L225 Difference]: With dead ends: 1094 [2023-11-29 00:37:23,622 INFO L226 Difference]: Without dead ends: 1093 [2023-11-29 00:37:23,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 00:37:23,624 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 466 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:23,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 355 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:37:23,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2023-11-29 00:37:23,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 265. [2023-11-29 00:37:23,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 196 states have (on average 1.1734693877551021) internal successors, (230), 209 states have internal predecessors, (230), 36 states have call successors, (36), 16 states have call predecessors, (36), 27 states have return successors, (168), 39 states have call predecessors, (168), 35 states have call successors, (168) [2023-11-29 00:37:23,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 434 transitions. [2023-11-29 00:37:23,660 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 434 transitions. Word has length 35 [2023-11-29 00:37:23,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:23,661 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 434 transitions. [2023-11-29 00:37:23,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.782608695652174) internal successors, (64), 24 states have internal predecessors, (64), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 434 transitions. [2023-11-29 00:37:23,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-29 00:37:23,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:23,663 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:23,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 00:37:23,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 00:37:23,865 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:23,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:23,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1872817879, now seen corresponding path program 2 times [2023-11-29 00:37:23,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:23,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87548455] [2023-11-29 00:37:23,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:23,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:37:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:24,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:24,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 00:37:24,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:24,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87548455] [2023-11-29 00:37:24,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87548455] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:24,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174811276] [2023-11-29 00:37:24,148 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:37:24,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:24,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:24,149 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:24,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 00:37:24,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 00:37:24,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:37:24,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 00:37:24,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:24,257 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:37:24,257 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:37:24,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174811276] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:24,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:24,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 12] total 29 [2023-11-29 00:37:24,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238558661] [2023-11-29 00:37:24,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:24,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-29 00:37:24,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:24,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-29 00:37:24,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2023-11-29 00:37:24,487 INFO L87 Difference]: Start difference. First operand 265 states and 434 transitions. Second operand has 30 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 19 states have internal predecessors, (65), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2023-11-29 00:37:25,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:25,560 INFO L93 Difference]: Finished difference Result 420 states and 584 transitions. [2023-11-29 00:37:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-29 00:37:25,560 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 19 states have internal predecessors, (65), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 47 [2023-11-29 00:37:25,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:25,564 INFO L225 Difference]: With dead ends: 420 [2023-11-29 00:37:25,564 INFO L226 Difference]: Without dead ends: 419 [2023-11-29 00:37:25,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=841, Invalid=3191, Unknown=0, NotChecked=0, Total=4032 [2023-11-29 00:37:25,567 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 756 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:25,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 83 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:37:25,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2023-11-29 00:37:25,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 379. [2023-11-29 00:37:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 292 states have (on average 1.2191780821917808) internal successors, (356), 305 states have internal predecessors, (356), 42 states have call successors, (42), 22 states have call predecessors, (42), 39 states have return successors, (180), 51 states have call predecessors, (180), 41 states have call successors, (180) [2023-11-29 00:37:25,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 578 transitions. [2023-11-29 00:37:25,617 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 578 transitions. Word has length 47 [2023-11-29 00:37:25,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:25,618 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 578 transitions. [2023-11-29 00:37:25,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 27 states have (on average 2.4074074074074074) internal successors, (65), 19 states have internal predecessors, (65), 13 states have call successors, (17), 12 states have call predecessors, (17), 3 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2023-11-29 00:37:25,618 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 578 transitions. [2023-11-29 00:37:25,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-29 00:37:25,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:25,619 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-29 00:37:25,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 00:37:25,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 00:37:25,820 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:25,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:25,821 INFO L85 PathProgramCache]: Analyzing trace with hash -688003052, now seen corresponding path program 1 times [2023-11-29 00:37:25,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:25,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622806269] [2023-11-29 00:37:25,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:25,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:25,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:37:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:25,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:26,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:26,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 00:37:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:37:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:26,104 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 00:37:26,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:26,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622806269] [2023-11-29 00:37:26,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622806269] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:26,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884593788] [2023-11-29 00:37:26,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:26,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:26,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:26,106 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:26,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 00:37:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:26,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 00:37:26,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:26,281 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-29 00:37:26,281 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 00:37:26,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884593788] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:26,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:26,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 13] total 28 [2023-11-29 00:37:26,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167146589] [2023-11-29 00:37:26,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:26,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-29 00:37:26,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:26,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-29 00:37:26,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2023-11-29 00:37:26,664 INFO L87 Difference]: Start difference. First operand 379 states and 578 transitions. Second operand has 28 states, 26 states have (on average 2.923076923076923) internal successors, (76), 23 states have internal predecessors, (76), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) [2023-11-29 00:37:27,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:27,231 INFO L93 Difference]: Finished difference Result 1031 states and 1754 transitions. [2023-11-29 00:37:27,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 00:37:27,233 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 2.923076923076923) internal successors, (76), 23 states have internal predecessors, (76), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) Word has length 47 [2023-11-29 00:37:27,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:27,238 INFO L225 Difference]: With dead ends: 1031 [2023-11-29 00:37:27,239 INFO L226 Difference]: Without dead ends: 677 [2023-11-29 00:37:27,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 88 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=302, Invalid=1678, Unknown=0, NotChecked=0, Total=1980 [2023-11-29 00:37:27,245 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 151 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:27,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 120 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:37:27,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2023-11-29 00:37:27,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 643. [2023-11-29 00:37:27,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 497 states have (on average 1.1911468812877264) internal successors, (592), 507 states have internal predecessors, (592), 91 states have call successors, (91), 52 states have call predecessors, (91), 49 states have return successors, (238), 83 states have call predecessors, (238), 70 states have call successors, (238) [2023-11-29 00:37:27,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 921 transitions. [2023-11-29 00:37:27,363 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 921 transitions. Word has length 47 [2023-11-29 00:37:27,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:27,363 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 921 transitions. [2023-11-29 00:37:27,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 2.923076923076923) internal successors, (76), 23 states have internal predecessors, (76), 14 states have call successors, (15), 4 states have call predecessors, (15), 8 states have return successors, (14), 8 states have call predecessors, (14), 12 states have call successors, (14) [2023-11-29 00:37:27,363 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 921 transitions. [2023-11-29 00:37:27,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-29 00:37:27,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:27,367 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:27,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 00:37:27,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 00:37:27,572 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:27,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:27,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1338570697, now seen corresponding path program 3 times [2023-11-29 00:37:27,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:27,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892608430] [2023-11-29 00:37:27,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:27,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:37:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:28,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:28,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:28,161 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 2 proven. 262 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 00:37:28,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:28,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892608430] [2023-11-29 00:37:28,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892608430] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:28,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310217229] [2023-11-29 00:37:28,161 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 00:37:28,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:28,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:28,163 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:28,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 00:37:28,221 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-29 00:37:28,221 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:37:28,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 00:37:28,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:28,312 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-11-29 00:37:28,312 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:28,477 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-11-29 00:37:28,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310217229] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:28,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:28,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 8, 9] total 37 [2023-11-29 00:37:28,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040368518] [2023-11-29 00:37:28,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:28,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-11-29 00:37:28,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:28,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-29 00:37:28,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1115, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 00:37:28,480 INFO L87 Difference]: Start difference. First operand 643 states and 921 transitions. Second operand has 37 states, 35 states have (on average 2.3714285714285714) internal successors, (83), 22 states have internal predecessors, (83), 17 states have call successors, (21), 15 states have call predecessors, (21), 4 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-29 00:37:29,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:29,717 INFO L93 Difference]: Finished difference Result 878 states and 1128 transitions. [2023-11-29 00:37:29,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-29 00:37:29,717 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 35 states have (on average 2.3714285714285714) internal successors, (83), 22 states have internal predecessors, (83), 17 states have call successors, (21), 15 states have call predecessors, (21), 4 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) Word has length 77 [2023-11-29 00:37:29,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:29,724 INFO L225 Difference]: With dead ends: 878 [2023-11-29 00:37:29,724 INFO L226 Difference]: Without dead ends: 712 [2023-11-29 00:37:29,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1502 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1120, Invalid=4732, Unknown=0, NotChecked=0, Total=5852 [2023-11-29 00:37:29,728 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 813 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:29,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 91 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:37:29,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2023-11-29 00:37:29,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 666. [2023-11-29 00:37:29,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 520 states have (on average 1.1884615384615385) internal successors, (618), 520 states have internal predecessors, (618), 90 states have call successors, (90), 61 states have call predecessors, (90), 50 states have return successors, (222), 84 states have call predecessors, (222), 70 states have call successors, (222) [2023-11-29 00:37:29,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 930 transitions. [2023-11-29 00:37:29,837 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 930 transitions. Word has length 77 [2023-11-29 00:37:29,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:29,837 INFO L495 AbstractCegarLoop]: Abstraction has 666 states and 930 transitions. [2023-11-29 00:37:29,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 35 states have (on average 2.3714285714285714) internal successors, (83), 22 states have internal predecessors, (83), 17 states have call successors, (21), 15 states have call predecessors, (21), 4 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-29 00:37:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 930 transitions. [2023-11-29 00:37:29,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-29 00:37:29,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:29,840 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1] [2023-11-29 00:37:29,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 00:37:30,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:30,041 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:30,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:30,042 INFO L85 PathProgramCache]: Analyzing trace with hash -111242429, now seen corresponding path program 3 times [2023-11-29 00:37:30,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:30,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893695057] [2023-11-29 00:37:30,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:30,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:30,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:30,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893695057] [2023-11-29 00:37:30,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893695057] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:30,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351202347] [2023-11-29 00:37:30,756 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 00:37:30,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:30,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:30,758 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:30,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 00:37:30,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-29 00:37:30,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:37:30,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-29 00:37:30,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:31,000 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:31,592 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:31,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351202347] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:31,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:31,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2023-11-29 00:37:31,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665028133] [2023-11-29 00:37:31,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:31,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-29 00:37:31,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:31,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-29 00:37:31,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2023-11-29 00:37:31,596 INFO L87 Difference]: Start difference. First operand 666 states and 930 transitions. Second operand has 48 states, 47 states have (on average 2.893617021276596) internal successors, (136), 48 states have internal predecessors, (136), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:33,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:33,475 INFO L93 Difference]: Finished difference Result 5813 states and 8062 transitions. [2023-11-29 00:37:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-29 00:37:33,476 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 2.893617021276596) internal successors, (136), 48 states have internal predecessors, (136), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2023-11-29 00:37:33,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:33,505 INFO L225 Difference]: With dead ends: 5813 [2023-11-29 00:37:33,505 INFO L226 Difference]: Without dead ends: 5732 [2023-11-29 00:37:33,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1382, Invalid=3448, Unknown=0, NotChecked=0, Total=4830 [2023-11-29 00:37:33,510 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 1322 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1322 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:33,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1322 Valid, 728 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 00:37:33,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5732 states. [2023-11-29 00:37:33,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5732 to 1255. [2023-11-29 00:37:33,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 964 states have (on average 1.1400414937759336) internal successors, (1099), 963 states have internal predecessors, (1099), 198 states have call successors, (198), 121 states have call predecessors, (198), 87 states have return successors, (1183), 170 states have call predecessors, (1183), 154 states have call successors, (1183) [2023-11-29 00:37:33,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 2480 transitions. [2023-11-29 00:37:33,664 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 2480 transitions. Word has length 77 [2023-11-29 00:37:33,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:33,664 INFO L495 AbstractCegarLoop]: Abstraction has 1255 states and 2480 transitions. [2023-11-29 00:37:33,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 2.893617021276596) internal successors, (136), 48 states have internal predecessors, (136), 23 states have call successors, (23), 23 states have call predecessors, (23), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:33,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 2480 transitions. [2023-11-29 00:37:33,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 00:37:33,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:33,669 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:33,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 00:37:33,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:33,870 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:33,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:33,870 INFO L85 PathProgramCache]: Analyzing trace with hash 33765732, now seen corresponding path program 4 times [2023-11-29 00:37:33,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:33,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39485058] [2023-11-29 00:37:33,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:33,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:34,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:37:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:34,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:34,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:34,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:34,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:37:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:34,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:34,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:34,660 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 15 proven. 356 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-29 00:37:34,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:34,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39485058] [2023-11-29 00:37:34,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39485058] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:34,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301919661] [2023-11-29 00:37:34,660 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 00:37:34,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:34,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:34,661 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:34,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 00:37:34,738 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 00:37:34,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:37:34,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 00:37:34,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 81 proven. 53 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-11-29 00:37:34,893 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 81 proven. 61 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-11-29 00:37:35,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301919661] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:35,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:35,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 11, 13] total 45 [2023-11-29 00:37:35,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875934331] [2023-11-29 00:37:35,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:35,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-11-29 00:37:35,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:35,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-11-29 00:37:35,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=1687, Unknown=0, NotChecked=0, Total=1980 [2023-11-29 00:37:35,128 INFO L87 Difference]: Start difference. First operand 1255 states and 2480 transitions. Second operand has 45 states, 43 states have (on average 2.511627906976744) internal successors, (108), 28 states have internal predecessors, (108), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2023-11-29 00:37:35,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:35,893 INFO L93 Difference]: Finished difference Result 2310 states and 5078 transitions. [2023-11-29 00:37:35,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 00:37:35,894 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 43 states have (on average 2.511627906976744) internal successors, (108), 28 states have internal predecessors, (108), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) Word has length 114 [2023-11-29 00:37:35,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:35,906 INFO L225 Difference]: With dead ends: 2310 [2023-11-29 00:37:35,906 INFO L226 Difference]: Without dead ends: 1089 [2023-11-29 00:37:35,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=622, Invalid=3410, Unknown=0, NotChecked=0, Total=4032 [2023-11-29 00:37:35,922 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 191 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:35,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 182 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:37:35,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2023-11-29 00:37:36,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 956. [2023-11-29 00:37:36,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 732 states have (on average 1.1079234972677596) internal successors, (811), 715 states have internal predecessors, (811), 124 states have call successors, (124), 94 states have call predecessors, (124), 95 states have return successors, (495), 146 states have call predecessors, (495), 123 states have call successors, (495) [2023-11-29 00:37:36,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1430 transitions. [2023-11-29 00:37:36,035 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1430 transitions. Word has length 114 [2023-11-29 00:37:36,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:36,035 INFO L495 AbstractCegarLoop]: Abstraction has 956 states and 1430 transitions. [2023-11-29 00:37:36,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 43 states have (on average 2.511627906976744) internal successors, (108), 28 states have internal predecessors, (108), 23 states have call successors, (29), 17 states have call predecessors, (29), 6 states have return successors, (14), 9 states have call predecessors, (14), 8 states have call successors, (14) [2023-11-29 00:37:36,036 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1430 transitions. [2023-11-29 00:37:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 00:37:36,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:36,039 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:36,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 00:37:36,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:36,240 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:36,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:36,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1756817972, now seen corresponding path program 2 times [2023-11-29 00:37:36,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:36,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650300404] [2023-11-29 00:37:36,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:36,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:37:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:37:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 00:37:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:37:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 00:37:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:37:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2023-11-29 00:37:36,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:36,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650300404] [2023-11-29 00:37:36,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650300404] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:36,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937414850] [2023-11-29 00:37:36,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:37:36,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:36,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:36,470 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:36,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 00:37:36,603 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 00:37:36,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:37:36,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:37:36,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-11-29 00:37:36,651 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:37:36,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937414850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:37:36,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:37:36,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2023-11-29 00:37:36,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592344713] [2023-11-29 00:37:36,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:37:36,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:37:36,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:36,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:37:36,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:37:36,653 INFO L87 Difference]: Start difference. First operand 956 states and 1430 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 00:37:36,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:36,719 INFO L93 Difference]: Finished difference Result 956 states and 1430 transitions. [2023-11-29 00:37:36,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:37:36,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 143 [2023-11-29 00:37:36,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:36,727 INFO L225 Difference]: With dead ends: 956 [2023-11-29 00:37:36,728 INFO L226 Difference]: Without dead ends: 954 [2023-11-29 00:37:36,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:37:36,729 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 7 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:36,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 83 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:37:36,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2023-11-29 00:37:36,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2023-11-29 00:37:36,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 732 states have (on average 1.075136612021858) internal successors, (787), 713 states have internal predecessors, (787), 124 states have call successors, (124), 94 states have call predecessors, (124), 95 states have return successors, (495), 146 states have call predecessors, (495), 123 states have call successors, (495) [2023-11-29 00:37:36,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1406 transitions. [2023-11-29 00:37:36,820 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1406 transitions. Word has length 143 [2023-11-29 00:37:36,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:36,820 INFO L495 AbstractCegarLoop]: Abstraction has 954 states and 1406 transitions. [2023-11-29 00:37:36,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 00:37:36,820 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1406 transitions. [2023-11-29 00:37:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 00:37:36,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:36,824 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:36,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 00:37:37,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 00:37:37,025 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:37,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:37,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1373217652, now seen corresponding path program 1 times [2023-11-29 00:37:37,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:37,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256403737] [2023-11-29 00:37:37,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:37,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:37:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:37:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 00:37:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:37:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 00:37:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:37:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2023-11-29 00:37:37,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:37,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256403737] [2023-11-29 00:37:37,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256403737] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:37,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508803628] [2023-11-29 00:37:37,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:37,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:37,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:37,232 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:37,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 00:37:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:37,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:37:37,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:37,380 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-11-29 00:37:37,380 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:37,549 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-11-29 00:37:37,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508803628] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:37,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:37,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2023-11-29 00:37:37,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952006650] [2023-11-29 00:37:37,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:37,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 00:37:37,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:37,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 00:37:37,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:37:37,551 INFO L87 Difference]: Start difference. First operand 954 states and 1406 transitions. Second operand has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 00:37:37,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:37,766 INFO L93 Difference]: Finished difference Result 1177 states and 1689 transitions. [2023-11-29 00:37:37,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 00:37:37,766 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) Word has length 144 [2023-11-29 00:37:37,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:37,773 INFO L225 Difference]: With dead ends: 1177 [2023-11-29 00:37:37,773 INFO L226 Difference]: Without dead ends: 1112 [2023-11-29 00:37:37,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2023-11-29 00:37:37,774 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 77 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:37,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 131 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:37:37,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2023-11-29 00:37:37,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1112. [2023-11-29 00:37:37,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 867 states have (on average 1.0461361014994233) internal successors, (907), 844 states have internal predecessors, (907), 124 states have call successors, (124), 94 states have call predecessors, (124), 119 states have return successors, (522), 173 states have call predecessors, (522), 123 states have call successors, (522) [2023-11-29 00:37:37,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1553 transitions. [2023-11-29 00:37:37,838 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1553 transitions. Word has length 144 [2023-11-29 00:37:37,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:37,838 INFO L495 AbstractCegarLoop]: Abstraction has 1112 states and 1553 transitions. [2023-11-29 00:37:37,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 00:37:37,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1553 transitions. [2023-11-29 00:37:37,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-29 00:37:37,843 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:37,843 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:37:37,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 00:37:38,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 00:37:38,044 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:38,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:38,044 INFO L85 PathProgramCache]: Analyzing trace with hash -850759282, now seen corresponding path program 2 times [2023-11-29 00:37:38,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:38,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671604265] [2023-11-29 00:37:38,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:38,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:37:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:37:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 00:37:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:37:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:37:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:37:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 00:37:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:37:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:37:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:37:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:37:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:38,346 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 5 proven. 62 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2023-11-29 00:37:38,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:38,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671604265] [2023-11-29 00:37:38,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671604265] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:38,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368762645] [2023-11-29 00:37:38,347 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:37:38,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:38,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:38,348 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:38,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 00:37:38,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 00:37:38,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:37:38,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 00:37:38,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 97 proven. 236 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2023-11-29 00:37:38,744 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:39,964 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 97 proven. 285 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-29 00:37:39,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368762645] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:39,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:39,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16, 23] total 41 [2023-11-29 00:37:39,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775899937] [2023-11-29 00:37:39,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:39,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-11-29 00:37:39,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:39,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-11-29 00:37:39,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1471, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 00:37:39,967 INFO L87 Difference]: Start difference. First operand 1112 states and 1553 transitions. Second operand has 41 states, 39 states have (on average 3.7435897435897436) internal successors, (146), 36 states have internal predecessors, (146), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) [2023-11-29 00:37:40,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:40,867 INFO L93 Difference]: Finished difference Result 1848 states and 2774 transitions. [2023-11-29 00:37:40,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 00:37:40,868 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 39 states have (on average 3.7435897435897436) internal successors, (146), 36 states have internal predecessors, (146), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) Word has length 180 [2023-11-29 00:37:40,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:40,879 INFO L225 Difference]: With dead ends: 1848 [2023-11-29 00:37:40,879 INFO L226 Difference]: Without dead ends: 1295 [2023-11-29 00:37:40,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 363 SyntacticMatches, 8 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=663, Invalid=4029, Unknown=0, NotChecked=0, Total=4692 [2023-11-29 00:37:40,884 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 375 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:40,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 132 Invalid, 956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:37:40,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2023-11-29 00:37:40,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1229. [2023-11-29 00:37:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 952 states have (on average 1.040966386554622) internal successors, (991), 928 states have internal predecessors, (991), 142 states have call successors, (142), 94 states have call predecessors, (142), 133 states have return successors, (660), 206 states have call predecessors, (660), 131 states have call successors, (660) [2023-11-29 00:37:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1793 transitions. [2023-11-29 00:37:40,998 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1793 transitions. Word has length 180 [2023-11-29 00:37:40,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:40,998 INFO L495 AbstractCegarLoop]: Abstraction has 1229 states and 1793 transitions. [2023-11-29 00:37:40,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 39 states have (on average 3.7435897435897436) internal successors, (146), 36 states have internal predecessors, (146), 18 states have call successors, (25), 4 states have call predecessors, (25), 16 states have return successors, (30), 17 states have call predecessors, (30), 16 states have call successors, (30) [2023-11-29 00:37:40,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1793 transitions. [2023-11-29 00:37:41,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:37:41,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:41,005 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1] [2023-11-29 00:37:41,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 00:37:41,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:41,206 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:41,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:41,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1284933891, now seen corresponding path program 4 times [2023-11-29 00:37:41,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:41,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135378708] [2023-11-29 00:37:41,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:41,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:43,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:43,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:43,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135378708] [2023-11-29 00:37:43,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135378708] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:43,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468430583] [2023-11-29 00:37:43,304 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 00:37:43,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:43,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:43,306 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:43,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 00:37:43,457 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 00:37:43,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:37:43,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 93 conjunts are in the unsatisfiable core [2023-11-29 00:37:43,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:43,679 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:37:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:45,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468430583] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:37:45,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:37:45,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2023-11-29 00:37:45,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401838184] [2023-11-29 00:37:45,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:37:45,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-11-29 00:37:45,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:37:45,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-11-29 00:37:45,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2023-11-29 00:37:45,292 INFO L87 Difference]: Start difference. First operand 1229 states and 1793 transitions. Second operand has 96 states, 95 states have (on average 2.9473684210526314) internal successors, (280), 96 states have internal predecessors, (280), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:50,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:37:50,780 INFO L93 Difference]: Finished difference Result 5678 states and 9177 transitions. [2023-11-29 00:37:50,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-29 00:37:50,781 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 2.9473684210526314) internal successors, (280), 96 states have internal predecessors, (280), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2023-11-29 00:37:50,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:37:50,813 INFO L225 Difference]: With dead ends: 5678 [2023-11-29 00:37:50,814 INFO L226 Difference]: Without dead ends: 5677 [2023-11-29 00:37:50,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4408 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=5642, Invalid=14380, Unknown=0, NotChecked=0, Total=20022 [2023-11-29 00:37:50,822 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 1382 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1382 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:37:50,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1382 Valid, 1492 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [416 Valid, 1164 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 00:37:50,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5677 states. [2023-11-29 00:37:51,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5677 to 2261. [2023-11-29 00:37:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2261 states, 1696 states have (on average 1.0371462264150944) internal successors, (1759), 1648 states have internal predecessors, (1759), 310 states have call successors, (310), 190 states have call predecessors, (310), 253 states have return successors, (3468), 422 states have call predecessors, (3468), 287 states have call successors, (3468) [2023-11-29 00:37:51,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 5537 transitions. [2023-11-29 00:37:51,036 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 5537 transitions. Word has length 161 [2023-11-29 00:37:51,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:37:51,036 INFO L495 AbstractCegarLoop]: Abstraction has 2261 states and 5537 transitions. [2023-11-29 00:37:51,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 2.9473684210526314) internal successors, (280), 96 states have internal predecessors, (280), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:37:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 5537 transitions. [2023-11-29 00:37:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2023-11-29 00:37:51,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:37:51,066 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1] [2023-11-29 00:37:51,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 00:37:51,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:51,267 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:37:51,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:37:51,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1798351741, now seen corresponding path program 5 times [2023-11-29 00:37:51,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:37:51,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696575082] [2023-11-29 00:37:51,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:37:51,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:37:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:37:58,019 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:58,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:37:58,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696575082] [2023-11-29 00:37:58,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696575082] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:37:58,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615065570] [2023-11-29 00:37:58,020 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-29 00:37:58,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:37:58,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:37:58,021 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:37:58,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 00:37:58,582 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-11-29 00:37:58,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:37:58,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 189 conjunts are in the unsatisfiable core [2023-11-29 00:37:58,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:37:59,101 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:37:59,101 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:38:06,044 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:38:06,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615065570] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:38:06,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:38:06,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 191 [2023-11-29 00:38:06,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747547387] [2023-11-29 00:38:06,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:38:06,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-11-29 00:38:06,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:38:06,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-11-29 00:38:06,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9311, Invalid=27361, Unknown=0, NotChecked=0, Total=36672 [2023-11-29 00:38:06,056 INFO L87 Difference]: Start difference. First operand 2261 states and 5537 transitions. Second operand has 192 states, 191 states have (on average 2.973821989528796) internal successors, (568), 192 states have internal predecessors, (568), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:40,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:39:40,836 INFO L93 Difference]: Finished difference Result 17990 states and 35685 transitions. [2023-11-29 00:39:40,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2023-11-29 00:39:40,837 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 2.973821989528796) internal successors, (568), 192 states have internal predecessors, (568), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 329 [2023-11-29 00:39:40,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:39:41,007 INFO L225 Difference]: With dead ends: 17990 [2023-11-29 00:39:41,007 INFO L226 Difference]: Without dead ends: 17989 [2023-11-29 00:39:41,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 892 GetRequests, 608 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18040 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=22802, Invalid=58708, Unknown=0, NotChecked=0, Total=81510 [2023-11-29 00:39:41,039 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 2970 mSDsluCounter, 3325 mSDsCounter, 0 mSdLazyCounter, 3583 mSolverCounterSat, 768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2970 SdHoareTripleChecker+Valid, 3597 SdHoareTripleChecker+Invalid, 4351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 768 IncrementalHoareTripleChecker+Valid, 3583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:39:41,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2970 Valid, 3597 Invalid, 4351 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [768 Valid, 3583 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-11-29 00:39:41,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17989 states. [2023-11-29 00:39:42,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17989 to 4325. [2023-11-29 00:39:42,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4325 states, 3184 states have (on average 1.0348618090452262) internal successors, (3295), 3088 states have internal predecessors, (3295), 646 states have call successors, (646), 382 states have call predecessors, (646), 493 states have return successors, (17280), 854 states have call predecessors, (17280), 599 states have call successors, (17280) [2023-11-29 00:39:42,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 4325 states and 21221 transitions. [2023-11-29 00:39:42,287 INFO L78 Accepts]: Start accepts. Automaton has 4325 states and 21221 transitions. Word has length 329 [2023-11-29 00:39:42,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:39:42,288 INFO L495 AbstractCegarLoop]: Abstraction has 4325 states and 21221 transitions. [2023-11-29 00:39:42,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 2.973821989528796) internal successors, (568), 192 states have internal predecessors, (568), 95 states have call successors, (95), 95 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:39:42,289 INFO L276 IsEmpty]: Start isEmpty. Operand 4325 states and 21221 transitions. [2023-11-29 00:39:42,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2023-11-29 00:39:42,338 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:39:42,339 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:39:42,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 00:39:42,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-29 00:39:42,539 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:39:42,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:39:42,540 INFO L85 PathProgramCache]: Analyzing trace with hash 182140684, now seen corresponding path program 3 times [2023-11-29 00:39:42,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:39:42,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209768260] [2023-11-29 00:39:42,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:39:42,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:39:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:42,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:39:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 00:39:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 00:39:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 00:39:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 00:39:43,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 00:39:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 00:39:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 00:39:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2023-11-29 00:39:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 11714 backedges. 6 proven. 95 refuted. 0 times theorem prover too weak. 11613 trivial. 0 not checked. [2023-11-29 00:39:43,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:39:43,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209768260] [2023-11-29 00:39:43,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209768260] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:39:43,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134747899] [2023-11-29 00:39:43,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 00:39:43,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:39:43,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:39:43,790 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:39:43,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 00:39:43,952 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-29 00:39:43,952 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:39:43,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 00:39:43,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:39:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 11714 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 11619 trivial. 0 not checked. [2023-11-29 00:39:44,040 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:39:45,229 INFO L134 CoverageAnalysis]: Checked inductivity of 11714 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 11619 trivial. 0 not checked. [2023-11-29 00:39:45,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134747899] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:39:45,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:39:45,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 29 [2023-11-29 00:39:45,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741320863] [2023-11-29 00:39:45,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:39:45,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-29 00:39:45,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:39:45,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-29 00:39:45,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2023-11-29 00:39:45,231 INFO L87 Difference]: Start difference. First operand 4325 states and 21221 transitions. Second operand has 30 states, 29 states have (on average 3.2758620689655173) internal successors, (95), 29 states have internal predecessors, (95), 1 states have call successors, (8), 2 states have call predecessors, (8), 14 states have return successors, (16), 14 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-29 00:39:45,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:39:45,785 INFO L93 Difference]: Finished difference Result 4886 states and 21865 transitions. [2023-11-29 00:39:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 00:39:45,788 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.2758620689655173) internal successors, (95), 29 states have internal predecessors, (95), 1 states have call successors, (8), 2 states have call predecessors, (8), 14 states have return successors, (16), 14 states have call predecessors, (16), 1 states have call successors, (16) Word has length 576 [2023-11-29 00:39:45,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:39:45,932 INFO L225 Difference]: With dead ends: 4886 [2023-11-29 00:39:45,932 INFO L226 Difference]: Without dead ends: 4469 [2023-11-29 00:39:45,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1327 GetRequests, 1274 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=627, Invalid=2343, Unknown=0, NotChecked=0, Total=2970 [2023-11-29 00:39:45,942 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 173 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:39:45,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 221 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:39:45,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2023-11-29 00:39:46,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 4469. [2023-11-29 00:39:46,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4469 states, 3311 states have (on average 1.0320144971307763) internal successors, (3417), 3210 states have internal predecessors, (3417), 646 states have call successors, (646), 382 states have call predecessors, (646), 510 states have return successors, (17302), 876 states have call predecessors, (17302), 599 states have call successors, (17302) [2023-11-29 00:39:46,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 4469 states and 21365 transitions. [2023-11-29 00:39:46,621 INFO L78 Accepts]: Start accepts. Automaton has 4469 states and 21365 transitions. Word has length 576 [2023-11-29 00:39:46,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:39:46,622 INFO L495 AbstractCegarLoop]: Abstraction has 4469 states and 21365 transitions. [2023-11-29 00:39:46,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.2758620689655173) internal successors, (95), 29 states have internal predecessors, (95), 1 states have call successors, (8), 2 states have call predecessors, (8), 14 states have return successors, (16), 14 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-29 00:39:46,622 INFO L276 IsEmpty]: Start isEmpty. Operand 4469 states and 21365 transitions. [2023-11-29 00:39:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2023-11-29 00:39:46,675 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:39:46,675 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:39:46,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-29 00:39:46,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:39:46,876 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:39:46,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:39:46,876 INFO L85 PathProgramCache]: Analyzing trace with hash -790022002, now seen corresponding path program 4 times [2023-11-29 00:39:46,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:39:46,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681467878] [2023-11-29 00:39:46,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:39:46,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:39:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:39:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 00:39:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 00:39:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 00:39:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 00:39:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 00:39:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-29 00:39:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-29 00:39:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 00:39:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 00:39:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:39:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2023-11-29 00:39:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:47,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:48,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:48,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:48,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:48,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:48,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:48,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 00:39:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:39:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 12470 backedges. 13 proven. 522 refuted. 0 times theorem prover too weak. 11935 trivial. 0 not checked. [2023-11-29 00:39:48,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:39:48,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681467878] [2023-11-29 00:39:48,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681467878] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:39:48,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939115684] [2023-11-29 00:39:48,603 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 00:39:48,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:39:48,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:39:48,604 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:39:48,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 00:39:48,900 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 00:39:48,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:39:48,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 1685 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-29 00:39:48,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:39:49,595 INFO L134 CoverageAnalysis]: Checked inductivity of 12470 backedges. 768 proven. 1942 refuted. 0 times theorem prover too weak. 9760 trivial. 0 not checked. [2023-11-29 00:39:49,595 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:40:00,100 INFO L134 CoverageAnalysis]: Checked inductivity of 12470 backedges. 768 proven. 2283 refuted. 0 times theorem prover too weak. 9419 trivial. 0 not checked. [2023-11-29 00:40:00,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939115684] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:40:00,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 00:40:00,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26, 43] total 77 [2023-11-29 00:40:00,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99128749] [2023-11-29 00:40:00,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 00:40:00,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2023-11-29 00:40:00,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:40:00,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2023-11-29 00:40:00,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=567, Invalid=5285, Unknown=0, NotChecked=0, Total=5852 [2023-11-29 00:40:00,106 INFO L87 Difference]: Start difference. First operand 4469 states and 21365 transitions. Second operand has 77 states, 75 states have (on average 3.8933333333333335) internal successors, (292), 72 states have internal predecessors, (292), 30 states have call successors, (37), 4 states have call predecessors, (37), 34 states have return successors, (60), 35 states have call predecessors, (60), 28 states have call successors, (60) [2023-11-29 00:40:02,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:40:02,629 INFO L93 Difference]: Finished difference Result 6627 states and 36882 transitions. [2023-11-29 00:40:02,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-11-29 00:40:02,629 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 75 states have (on average 3.8933333333333335) internal successors, (292), 72 states have internal predecessors, (292), 30 states have call successors, (37), 4 states have call predecessors, (37), 34 states have return successors, (60), 35 states have call predecessors, (60), 28 states have call successors, (60) Word has length 660 [2023-11-29 00:40:02,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:40:02,837 INFO L225 Difference]: With dead ends: 6627 [2023-11-29 00:40:02,837 INFO L226 Difference]: Without dead ends: 5474 [2023-11-29 00:40:02,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1564 GetRequests, 1405 SyntacticMatches, 18 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6652 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=2737, Invalid=17569, Unknown=0, NotChecked=0, Total=20306 [2023-11-29 00:40:02,873 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 1249 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 2680 mSolverCounterSat, 383 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 3063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 383 IncrementalHoareTripleChecker+Valid, 2680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:40:02,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 224 Invalid, 3063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [383 Valid, 2680 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 00:40:02,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5474 states. [2023-11-29 00:40:03,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5474 to 5012. [2023-11-29 00:40:03,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5012 states, 3643 states have (on average 1.0290968981608564) internal successors, (3749), 3542 states have internal predecessors, (3749), 762 states have call successors, (762), 382 states have call predecessors, (762), 605 states have return successors, (28031), 1087 states have call predecessors, (28031), 715 states have call successors, (28031) [2023-11-29 00:40:03,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5012 states to 5012 states and 32542 transitions. [2023-11-29 00:40:03,856 INFO L78 Accepts]: Start accepts. Automaton has 5012 states and 32542 transitions. Word has length 660 [2023-11-29 00:40:03,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:40:03,858 INFO L495 AbstractCegarLoop]: Abstraction has 5012 states and 32542 transitions. [2023-11-29 00:40:03,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 75 states have (on average 3.8933333333333335) internal successors, (292), 72 states have internal predecessors, (292), 30 states have call successors, (37), 4 states have call predecessors, (37), 34 states have return successors, (60), 35 states have call predecessors, (60), 28 states have call successors, (60) [2023-11-29 00:40:03,858 INFO L276 IsEmpty]: Start isEmpty. Operand 5012 states and 32542 transitions. [2023-11-29 00:40:04,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2023-11-29 00:40:04,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:40:04,066 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 94, 1, 1, 1, 1] [2023-11-29 00:40:04,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-29 00:40:04,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:40:04,267 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:40:04,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:40:04,267 INFO L85 PathProgramCache]: Analyzing trace with hash -224105597, now seen corresponding path program 6 times [2023-11-29 00:40:04,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:40:04,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153167818] [2023-11-29 00:40:04,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:40:04,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:40:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:40:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 30973 backedges. 0 proven. 30973 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:40:35,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:40:35,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153167818] [2023-11-29 00:40:35,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153167818] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:40:35,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104398717] [2023-11-29 00:40:35,651 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-29 00:40:35,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:40:35,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:40:35,652 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:40:35,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 00:40:36,942 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 92 check-sat command(s) [2023-11-29 00:40:36,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:40:36,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 2693 conjuncts, 161 conjunts are in the unsatisfiable core [2023-11-29 00:40:36,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:16,072 WARN L667 sPolynomialRelations]: Constructing 2147483647(two to the power of 31 dual juncts. [2023-11-29 00:41:16,072 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-11-29 00:41:16,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 00:41:16,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-29 00:41:16,273 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.OutOfMemoryError: Requested array size exceeds VM limit at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:669) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:541) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:543) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:522) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:515) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:326) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) [2023-11-29 00:41:16,276 INFO L158 Benchmark]: Toolchain (without parser) took 238754.69ms. Allocated memory was 178.3MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 106.2MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 692.2MB. Max. memory is 16.1GB. [2023-11-29 00:41:16,276 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 178.3MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:41:16,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.51ms. Allocated memory is still 178.3MB. Free memory was 106.0MB in the beginning and 144.4MB in the end (delta: -38.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-11-29 00:41:16,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.45ms. Allocated memory is still 178.3MB. Free memory was 143.8MB in the beginning and 142.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:41:16,277 INFO L158 Benchmark]: Boogie Preprocessor took 27.47ms. Allocated memory is still 178.3MB. Free memory was 142.3MB in the beginning and 140.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:41:16,277 INFO L158 Benchmark]: RCFGBuilder took 292.31ms. Allocated memory is still 178.3MB. Free memory was 140.9MB in the beginning and 128.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 00:41:16,277 INFO L158 Benchmark]: TraceAbstraction took 238128.67ms. Allocated memory was 178.3MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 127.6MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 713.0MB. Max. memory is 16.1GB. [2023-11-29 00:41:16,279 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 178.3MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.51ms. Allocated memory is still 178.3MB. Free memory was 106.0MB in the beginning and 144.4MB in the end (delta: -38.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.45ms. Allocated memory is still 178.3MB. Free memory was 143.8MB in the beginning and 142.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.47ms. Allocated memory is still 178.3MB. Free memory was 142.3MB in the beginning and 140.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.31ms. Allocated memory is still 178.3MB. Free memory was 140.9MB in the beginning and 128.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 238128.67ms. Allocated memory was 178.3MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 127.6MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 713.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: OutOfMemoryError: Requested array size exceeds VM limit de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: OutOfMemoryError: Requested array size exceeds VM limit: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:669) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-29 00:41:16,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:41:18,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:41:18,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-11-29 00:41:18,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:41:18,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:41:18,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:41:18,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:41:18,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:41:18,373 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:41:18,373 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:41:18,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:41:18,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:41:18,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:41:18,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:41:18,377 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:41:18,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:41:18,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:41:18,379 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:41:18,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:41:18,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:41:18,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:41:18,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:41:18,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:41:18,381 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 00:41:18,381 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 00:41:18,382 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 00:41:18,382 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 00:41:18,382 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:41:18,383 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:41:18,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:41:18,383 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:41:18,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:41:18,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:41:18,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:41:18,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:41:18,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:41:18,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:41:18,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:41:18,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:41:18,386 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 00:41:18,386 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 00:41:18,386 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:41:18,387 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:41:18,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:41:18,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:41:18,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:41:18,387 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 00:41:18,387 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_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2023-11-29 00:41:18,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:41:18,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:41:18,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:41:18,718 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:41:18,719 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:41:18,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/recursive/recHanoi01.c [2023-11-29 00:41:21,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:41:21,712 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:41:21,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/sv-benchmarks/c/recursive/recHanoi01.c [2023-11-29 00:41:21,725 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/data/9e5b0270b/1a6b8a81c94d43be9e6e491f811a6c93/FLAG15d785f4b [2023-11-29 00:41:21,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/data/9e5b0270b/1a6b8a81c94d43be9e6e491f811a6c93 [2023-11-29 00:41:21,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:41:21,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:41:21,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:41:21,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:41:21,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:41:21,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:41:21" (1/1) ... [2023-11-29 00:41:21,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d133eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:21, skipping insertion in model container [2023-11-29 00:41:21,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:41:21" (1/1) ... [2023-11-29 00:41:21,776 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:41:21,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:41:21,969 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:41:21,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:41:22,003 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:41:22,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:22 WrapperNode [2023-11-29 00:41:22,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:41:22,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:41:22,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:41:22,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:41:22,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:22" (1/1) ... [2023-11-29 00:41:22,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:22" (1/1) ... [2023-11-29 00:41:22,038 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2023-11-29 00:41:22,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:41:22,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:41:22,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:41:22,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:41:22,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:22" (1/1) ... [2023-11-29 00:41:22,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:22" (1/1) ... [2023-11-29 00:41:22,054 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:22" (1/1) ... [2023-11-29 00:41:22,068 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 00:41:22,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:22" (1/1) ... [2023-11-29 00:41:22,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:22" (1/1) ... [2023-11-29 00:41:22,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:22" (1/1) ... [2023-11-29 00:41:22,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:22" (1/1) ... [2023-11-29 00:41:22,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:22" (1/1) ... [2023-11-29 00:41:22,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:22" (1/1) ... [2023-11-29 00:41:22,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:41:22,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:41:22,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:41:22,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:41:22,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:22" (1/1) ... [2023-11-29 00:41:22,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:41:22,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:41:22,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:41:22,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:41:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:41:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2023-11-29 00:41:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2023-11-29 00:41:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2023-11-29 00:41:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2023-11-29 00:41:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 00:41:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:41:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:41:22,230 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:41:22,233 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:41:22,426 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:41:22,454 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:41:22,454 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 00:41:22,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:41:22 BoogieIcfgContainer [2023-11-29 00:41:22,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:41:22,458 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:41:22,459 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:41:22,462 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:41:22,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:41:21" (1/3) ... [2023-11-29 00:41:22,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfe0250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:41:22, skipping insertion in model container [2023-11-29 00:41:22,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:41:22" (2/3) ... [2023-11-29 00:41:22,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfe0250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:41:22, skipping insertion in model container [2023-11-29 00:41:22,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:41:22" (3/3) ... [2023-11-29 00:41:22,465 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2023-11-29 00:41:22,485 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:41:22,485 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-29 00:41:22,537 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:41:22,544 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;@619cb726, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:41:22,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-29 00:41:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 36 states have internal predecessors, (39), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 00:41:22,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 00:41:22,555 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:22,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-29 00:41:22,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:22,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:22,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1301656860, now seen corresponding path program 1 times [2023-11-29 00:41:22,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:22,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773770648] [2023-11-29 00:41:22,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:22,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:22,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:22,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:22,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 00:41:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:22,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 00:41:22,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:22,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:22,659 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:41:22,660 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:22,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773770648] [2023-11-29 00:41:22,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773770648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:22,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:22,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 00:41:22,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596345692] [2023-11-29 00:41:22,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:22,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:41:22,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:22,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:41:22,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:41:22,700 INFO L87 Difference]: Start difference. First operand has 43 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 36 states have internal predecessors, (39), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:22,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:22,727 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2023-11-29 00:41:22,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:41:22,731 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-29 00:41:22,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:22,739 INFO L225 Difference]: With dead ends: 45 [2023-11-29 00:41:22,739 INFO L226 Difference]: Without dead ends: 33 [2023-11-29 00:41:22,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:41:22,745 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:22,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:41:22,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-29 00:41:22,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-11-29 00:41:22,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.4) internal successors, (28), 27 states have internal predecessors, (28), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 00:41:22,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2023-11-29 00:41:22,784 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 6 [2023-11-29 00:41:22,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:22,784 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2023-11-29 00:41:22,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:22,784 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-29 00:41:22,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 00:41:22,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:22,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:22,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:41:22,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:22,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:22,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:22,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1696656958, now seen corresponding path program 1 times [2023-11-29 00:41:22,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:22,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709218274] [2023-11-29 00:41:22,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:22,989 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:22,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:22,991 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:22,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 00:41:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:23,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:41:23,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:23,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:23,088 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:41:23,088 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:23,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709218274] [2023-11-29 00:41:23,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709218274] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:23,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:23,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:41:23,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150366675] [2023-11-29 00:41:23,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:23,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:41:23,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:23,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:41:23,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:41:23,092 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:23,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:23,132 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2023-11-29 00:41:23,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:41:23,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-29 00:41:23,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:23,135 INFO L225 Difference]: With dead ends: 55 [2023-11-29 00:41:23,135 INFO L226 Difference]: Without dead ends: 54 [2023-11-29 00:41:23,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:41:23,137 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 21 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:23,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 97 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:41:23,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-29 00:41:23,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 39. [2023-11-29 00:41:23,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.36) internal successors, (34), 32 states have internal predecessors, (34), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-29 00:41:23,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2023-11-29 00:41:23,149 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 7 [2023-11-29 00:41:23,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:23,150 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2023-11-29 00:41:23,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:23,150 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2023-11-29 00:41:23,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 00:41:23,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:23,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:23,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 00:41:23,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:23,353 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:23,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:23,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1056758106, now seen corresponding path program 1 times [2023-11-29 00:41:23,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:23,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738989154] [2023-11-29 00:41:23,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:23,355 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:23,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:23,356 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:23,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 00:41:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:23,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:41:23,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:23,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:23,440 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:41:23,441 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:23,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738989154] [2023-11-29 00:41:23,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1738989154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:23,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:23,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:41:23,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73024587] [2023-11-29 00:41:23,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:23,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:41:23,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:23,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:41:23,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:41:23,444 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:23,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:23,546 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2023-11-29 00:41:23,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:41:23,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-29 00:41:23,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:23,549 INFO L225 Difference]: With dead ends: 64 [2023-11-29 00:41:23,549 INFO L226 Difference]: Without dead ends: 45 [2023-11-29 00:41:23,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:41:23,551 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 14 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:23,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 112 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:41:23,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-29 00:41:23,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-29 00:41:23,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 36 states have internal predecessors, (37), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 00:41:23,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2023-11-29 00:41:23,562 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 8 [2023-11-29 00:41:23,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:23,562 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2023-11-29 00:41:23,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:23,562 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2023-11-29 00:41:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 00:41:23,563 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:23,563 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:23,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-29 00:41:23,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:23,766 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:23,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:23,767 INFO L85 PathProgramCache]: Analyzing trace with hash 2040739294, now seen corresponding path program 1 times [2023-11-29 00:41:23,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:23,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167612106] [2023-11-29 00:41:23,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:23,768 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:23,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:23,769 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:23,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 00:41:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:23,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 00:41:23,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:23,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:23,876 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:41:24,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:24,008 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:24,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167612106] [2023-11-29 00:41:24,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167612106] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:41:24,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:41:24,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-29 00:41:24,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403324803] [2023-11-29 00:41:24,009 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:41:24,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 00:41:24,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:24,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 00:41:24,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:41:24,018 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:24,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:24,438 INFO L93 Difference]: Finished difference Result 140 states and 172 transitions. [2023-11-29 00:41:24,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:41:24,439 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-29 00:41:24,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:24,443 INFO L225 Difference]: With dead ends: 140 [2023-11-29 00:41:24,444 INFO L226 Difference]: Without dead ends: 139 [2023-11-29 00:41:24,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:41:24,446 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 100 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:24,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 206 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:41:24,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-11-29 00:41:24,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 84. [2023-11-29 00:41:24,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 58 states have (on average 1.2586206896551724) internal successors, (73), 67 states have internal predecessors, (73), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (28), 13 states have call predecessors, (28), 13 states have call successors, (28) [2023-11-29 00:41:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 115 transitions. [2023-11-29 00:41:24,470 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 115 transitions. Word has length 14 [2023-11-29 00:41:24,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:24,470 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 115 transitions. [2023-11-29 00:41:24,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 10 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:24,471 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2023-11-29 00:41:24,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-29 00:41:24,471 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:24,472 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:24,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 00:41:24,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:24,674 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:24,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:24,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1161591286, now seen corresponding path program 1 times [2023-11-29 00:41:24,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:24,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696399088] [2023-11-29 00:41:24,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:24,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:24,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:24,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:24,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 00:41:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:24,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:41:24,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:24,789 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:24,789 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:41:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:25,054 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:25,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696399088] [2023-11-29 00:41:25,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [696399088] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:41:25,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:41:25,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 00:41:25,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66412853] [2023-11-29 00:41:25,055 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:41:25,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 00:41:25,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:25,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 00:41:25,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:41:25,057 INFO L87 Difference]: Start difference. First operand 84 states and 115 transitions. Second operand has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:25,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:25,430 INFO L93 Difference]: Finished difference Result 90 states and 121 transitions. [2023-11-29 00:41:25,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:41:25,431 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-29 00:41:25,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:25,432 INFO L225 Difference]: With dead ends: 90 [2023-11-29 00:41:25,432 INFO L226 Difference]: Without dead ends: 88 [2023-11-29 00:41:25,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:41:25,434 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 65 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:25,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 173 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:41:25,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-29 00:41:25,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-29 00:41:25,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 61 states have (on average 1.1475409836065573) internal successors, (70), 68 states have internal predecessors, (70), 14 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (31), 13 states have call predecessors, (31), 13 states have call successors, (31) [2023-11-29 00:41:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 115 transitions. [2023-11-29 00:41:25,453 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 115 transitions. Word has length 15 [2023-11-29 00:41:25,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:25,453 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 115 transitions. [2023-11-29 00:41:25,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:25,454 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 115 transitions. [2023-11-29 00:41:25,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-29 00:41:25,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:25,456 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:25,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-29 00:41:25,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:25,658 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:25,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:25,658 INFO L85 PathProgramCache]: Analyzing trace with hash 576563432, now seen corresponding path program 1 times [2023-11-29 00:41:25,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:25,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40556609] [2023-11-29 00:41:25,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:25,659 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:25,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:25,660 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:25,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 00:41:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:25,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 00:41:25,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 00:41:25,791 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:41:26,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 00:41:26,017 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:26,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40556609] [2023-11-29 00:41:26,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40556609] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:41:26,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:41:26,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2023-11-29 00:41:26,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237806840] [2023-11-29 00:41:26,018 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:41:26,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 00:41:26,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:26,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 00:41:26,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:41:26,020 INFO L87 Difference]: Start difference. First operand 88 states and 115 transitions. Second operand has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 00:41:26,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:26,236 INFO L93 Difference]: Finished difference Result 181 states and 250 transitions. [2023-11-29 00:41:26,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:41:26,237 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 5 states have call successors, (5) Word has length 27 [2023-11-29 00:41:26,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:26,239 INFO L225 Difference]: With dead ends: 181 [2023-11-29 00:41:26,239 INFO L226 Difference]: Without dead ends: 99 [2023-11-29 00:41:26,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:41:26,242 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 29 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:26,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 143 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:41:26,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-29 00:41:26,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2023-11-29 00:41:26,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 68 states have (on average 1.1176470588235294) internal successors, (76), 71 states have internal predecessors, (76), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (23), 14 states have call predecessors, (23), 14 states have call successors, (23) [2023-11-29 00:41:26,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 114 transitions. [2023-11-29 00:41:26,263 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 114 transitions. Word has length 27 [2023-11-29 00:41:26,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:26,264 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 114 transitions. [2023-11-29 00:41:26,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 00:41:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 114 transitions. [2023-11-29 00:41:26,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-29 00:41:26,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:26,266 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1] [2023-11-29 00:41:26,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-29 00:41:26,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:26,468 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:26,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:26,469 INFO L85 PathProgramCache]: Analyzing trace with hash -325123390, now seen corresponding path program 2 times [2023-11-29 00:41:26,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:26,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437208978] [2023-11-29 00:41:26,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:41:26,470 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:26,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:26,471 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:26,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 00:41:26,523 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 00:41:26,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:41:26,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 00:41:26,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:26,701 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:41:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:27,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:27,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [437208978] [2023-11-29 00:41:27,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [437208978] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:41:27,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:41:27,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2023-11-29 00:41:27,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777947849] [2023-11-29 00:41:27,168 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:41:27,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 00:41:27,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:27,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 00:41:27,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2023-11-29 00:41:27,170 INFO L87 Difference]: Start difference. First operand 95 states and 114 transitions. Second operand has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:28,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:28,897 INFO L93 Difference]: Finished difference Result 347 states and 489 transitions. [2023-11-29 00:41:28,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 00:41:28,898 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-11-29 00:41:28,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:28,902 INFO L225 Difference]: With dead ends: 347 [2023-11-29 00:41:28,903 INFO L226 Difference]: Without dead ends: 346 [2023-11-29 00:41:28,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=331, Invalid=1001, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 00:41:28,904 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 484 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:28,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 844 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 00:41:28,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-11-29 00:41:28,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 227. [2023-11-29 00:41:28,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 164 states have (on average 1.0853658536585367) internal successors, (178), 167 states have internal predecessors, (178), 39 states have call successors, (39), 21 states have call predecessors, (39), 20 states have return successors, (140), 38 states have call predecessors, (140), 38 states have call successors, (140) [2023-11-29 00:41:28,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 357 transitions. [2023-11-29 00:41:28,945 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 357 transitions. Word has length 35 [2023-11-29 00:41:28,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:28,946 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 357 transitions. [2023-11-29 00:41:28,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.8095238095238093) internal successors, (59), 22 states have internal predecessors, (59), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:28,946 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 357 transitions. [2023-11-29 00:41:28,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 00:41:28,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:28,949 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:28,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-29 00:41:29,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:29,152 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:29,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:29,152 INFO L85 PathProgramCache]: Analyzing trace with hash -809079032, now seen corresponding path program 2 times [2023-11-29 00:41:29,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:29,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723634807] [2023-11-29 00:41:29,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:41:29,153 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:29,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:29,154 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:29,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-29 00:41:29,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 00:41:29,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:41:29,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:41:29,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:29,222 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-29 00:41:29,222 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:41:29,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:29,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [723634807] [2023-11-29 00:41:29,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [723634807] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:29,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:29,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:41:29,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853965916] [2023-11-29 00:41:29,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:29,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:41:29,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:29,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:41:29,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:41:29,225 INFO L87 Difference]: Start difference. First operand 227 states and 357 transitions. Second operand has 5 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:41:29,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:29,294 INFO L93 Difference]: Finished difference Result 243 states and 375 transitions. [2023-11-29 00:41:29,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:41:29,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 59 [2023-11-29 00:41:29,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:29,298 INFO L225 Difference]: With dead ends: 243 [2023-11-29 00:41:29,299 INFO L226 Difference]: Without dead ends: 238 [2023-11-29 00:41:29,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:41:29,300 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 23 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:29,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 113 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:41:29,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-11-29 00:41:29,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 234. [2023-11-29 00:41:29,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 170 states have (on average 1.088235294117647) internal successors, (185), 172 states have internal predecessors, (185), 40 states have call successors, (40), 22 states have call predecessors, (40), 20 states have return successors, (141), 39 states have call predecessors, (141), 39 states have call successors, (141) [2023-11-29 00:41:29,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 366 transitions. [2023-11-29 00:41:29,343 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 366 transitions. Word has length 59 [2023-11-29 00:41:29,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:29,344 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 366 transitions. [2023-11-29 00:41:29,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 00:41:29,344 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 366 transitions. [2023-11-29 00:41:29,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 00:41:29,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:29,348 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:29,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-11-29 00:41:29,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:29,550 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:29,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:29,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1762955450, now seen corresponding path program 1 times [2023-11-29 00:41:29,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:29,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500341483] [2023-11-29 00:41:29,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:29,551 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:29,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:29,552 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:29,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-29 00:41:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:29,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 00:41:29,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 11 proven. 53 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-29 00:41:29,781 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:41:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 11 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-11-29 00:41:30,118 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:30,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500341483] [2023-11-29 00:41:30,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500341483] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:41:30,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:41:30,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 15 [2023-11-29 00:41:30,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885729743] [2023-11-29 00:41:30,119 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:41:30,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 00:41:30,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:30,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 00:41:30,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:41:30,121 INFO L87 Difference]: Start difference. First operand 234 states and 366 transitions. Second operand has 15 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 12 states have internal predecessors, (48), 9 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (10), 4 states have call predecessors, (10), 7 states have call successors, (10) [2023-11-29 00:41:30,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:30,568 INFO L93 Difference]: Finished difference Result 568 states and 962 transitions. [2023-11-29 00:41:30,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 00:41:30,569 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 12 states have internal predecessors, (48), 9 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (10), 4 states have call predecessors, (10), 7 states have call successors, (10) Word has length 64 [2023-11-29 00:41:30,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:30,572 INFO L225 Difference]: With dead ends: 568 [2023-11-29 00:41:30,572 INFO L226 Difference]: Without dead ends: 376 [2023-11-29 00:41:30,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:41:30,575 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 36 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:30,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 223 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 00:41:30,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-11-29 00:41:30,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 351. [2023-11-29 00:41:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 257 states have (on average 1.0622568093385214) internal successors, (273), 258 states have internal predecessors, (273), 59 states have call successors, (59), 33 states have call predecessors, (59), 31 states have return successors, (147), 59 states have call predecessors, (147), 57 states have call successors, (147) [2023-11-29 00:41:30,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 479 transitions. [2023-11-29 00:41:30,611 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 479 transitions. Word has length 64 [2023-11-29 00:41:30,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:30,612 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 479 transitions. [2023-11-29 00:41:30,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 12 states have internal predecessors, (48), 9 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (10), 4 states have call predecessors, (10), 7 states have call successors, (10) [2023-11-29 00:41:30,612 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 479 transitions. [2023-11-29 00:41:30,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 00:41:30,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:30,615 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:30,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-29 00:41:30,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:30,819 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:30,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:30,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1983088017, now seen corresponding path program 1 times [2023-11-29 00:41:30,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:30,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544108705] [2023-11-29 00:41:30,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:30,820 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:30,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:30,821 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:30,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-29 00:41:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:30,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:41:30,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-29 00:41:30,913 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:41:30,914 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:30,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544108705] [2023-11-29 00:41:30,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544108705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:41:30,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:41:30,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:41:30,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868572490] [2023-11-29 00:41:30,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:41:30,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:41:30,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:30,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:41:30,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:41:30,915 INFO L87 Difference]: Start difference. First operand 351 states and 479 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 00:41:30,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:30,980 INFO L93 Difference]: Finished difference Result 361 states and 491 transitions. [2023-11-29 00:41:30,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:41:30,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 66 [2023-11-29 00:41:30,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:30,984 INFO L225 Difference]: With dead ends: 361 [2023-11-29 00:41:30,984 INFO L226 Difference]: Without dead ends: 314 [2023-11-29 00:41:30,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:41:30,986 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 3 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:30,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 87 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:41:30,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-11-29 00:41:31,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 312. [2023-11-29 00:41:31,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 230 states have (on average 1.065217391304348) internal successors, (245), 231 states have internal predecessors, (245), 50 states have call successors, (50), 29 states have call predecessors, (50), 28 states have return successors, (120), 51 states have call predecessors, (120), 48 states have call successors, (120) [2023-11-29 00:41:31,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 415 transitions. [2023-11-29 00:41:31,014 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 415 transitions. Word has length 66 [2023-11-29 00:41:31,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:31,014 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 415 transitions. [2023-11-29 00:41:31,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 00:41:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 415 transitions. [2023-11-29 00:41:31,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-29 00:41:31,016 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:31,016 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1] [2023-11-29 00:41:31,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2023-11-29 00:41:31,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:31,217 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:31,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:31,217 INFO L85 PathProgramCache]: Analyzing trace with hash -266838974, now seen corresponding path program 3 times [2023-11-29 00:41:31,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:31,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922138738] [2023-11-29 00:41:31,217 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 00:41:31,218 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:31,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:31,218 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:31,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-29 00:41:31,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-29 00:41:31,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:41:31,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-29 00:41:31,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:31,787 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:31,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:41:33,684 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:41:33,684 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:33,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922138738] [2023-11-29 00:41:33,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922138738] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:41:33,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:41:33,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 45 [2023-11-29 00:41:33,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492519557] [2023-11-29 00:41:33,685 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:41:33,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-29 00:41:33,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:33,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-29 00:41:33,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=1739, Unknown=0, NotChecked=0, Total=2070 [2023-11-29 00:41:33,688 INFO L87 Difference]: Start difference. First operand 312 states and 415 transitions. Second operand has 46 states, 45 states have (on average 2.911111111111111) internal successors, (131), 46 states have internal predecessors, (131), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:44,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:44,888 INFO L93 Difference]: Finished difference Result 1149 states and 1959 transitions. [2023-11-29 00:41:44,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-29 00:41:44,890 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.911111111111111) internal successors, (131), 46 states have internal predecessors, (131), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2023-11-29 00:41:44,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:44,902 INFO L225 Difference]: With dead ends: 1149 [2023-11-29 00:41:44,902 INFO L226 Difference]: Without dead ends: 1112 [2023-11-29 00:41:44,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=1387, Invalid=4775, Unknown=0, NotChecked=0, Total=6162 [2023-11-29 00:41:44,907 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1650 mSDsluCounter, 3730 mSDsCounter, 0 mSdLazyCounter, 2131 mSolverCounterSat, 559 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 3932 SdHoareTripleChecker+Invalid, 2690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 559 IncrementalHoareTripleChecker+Valid, 2131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:44,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1650 Valid, 3932 Invalid, 2690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [559 Valid, 2131 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 00:41:44,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2023-11-29 00:41:45,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 720. [2023-11-29 00:41:45,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 530 states have (on average 1.0509433962264152) internal successors, (557), 531 states have internal predecessors, (557), 122 states have call successors, (122), 65 states have call predecessors, (122), 64 states have return successors, (774), 123 states have call predecessors, (774), 120 states have call successors, (774) [2023-11-29 00:41:45,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1453 transitions. [2023-11-29 00:41:45,040 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1453 transitions. Word has length 77 [2023-11-29 00:41:45,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:45,040 INFO L495 AbstractCegarLoop]: Abstraction has 720 states and 1453 transitions. [2023-11-29 00:41:45,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.911111111111111) internal successors, (131), 46 states have internal predecessors, (131), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:41:45,041 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1453 transitions. [2023-11-29 00:41:45,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 00:41:45,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:45,044 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:45,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2023-11-29 00:41:45,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:45,244 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:45,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:45,245 INFO L85 PathProgramCache]: Analyzing trace with hash -124015802, now seen corresponding path program 2 times [2023-11-29 00:41:45,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:45,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348863006] [2023-11-29 00:41:45,245 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:41:45,246 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:45,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:45,246 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:45,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-29 00:41:45,384 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 00:41:45,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:41:45,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:41:45,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:45,456 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-11-29 00:41:45,456 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:41:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-11-29 00:41:45,713 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:45,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348863006] [2023-11-29 00:41:45,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348863006] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:41:45,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:41:45,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 00:41:45,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595455649] [2023-11-29 00:41:45,714 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:41:45,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 00:41:45,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:45,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 00:41:45,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:41:45,715 INFO L87 Difference]: Start difference. First operand 720 states and 1453 transitions. Second operand has 12 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 5 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 00:41:46,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:46,191 INFO L93 Difference]: Finished difference Result 774 states and 1510 transitions. [2023-11-29 00:41:46,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 00:41:46,192 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 5 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 128 [2023-11-29 00:41:46,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:46,202 INFO L225 Difference]: With dead ends: 774 [2023-11-29 00:41:46,202 INFO L226 Difference]: Without dead ends: 771 [2023-11-29 00:41:46,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2023-11-29 00:41:46,204 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 146 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:46,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 257 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:41:46,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2023-11-29 00:41:46,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 763. [2023-11-29 00:41:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 565 states have (on average 1.0619469026548674) internal successors, (600), 565 states have internal predecessors, (600), 125 states have call successors, (125), 68 states have call predecessors, (125), 69 states have return successors, (780), 129 states have call predecessors, (780), 123 states have call successors, (780) [2023-11-29 00:41:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1505 transitions. [2023-11-29 00:41:46,342 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1505 transitions. Word has length 128 [2023-11-29 00:41:46,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:46,342 INFO L495 AbstractCegarLoop]: Abstraction has 763 states and 1505 transitions. [2023-11-29 00:41:46,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 5 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 00:41:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1505 transitions. [2023-11-29 00:41:46,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 00:41:46,345 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:46,345 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:46,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-11-29 00:41:46,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:46,546 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:46,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:46,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1616153264, now seen corresponding path program 1 times [2023-11-29 00:41:46,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:46,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1985820531] [2023-11-29 00:41:46,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:46,547 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:46,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:46,548 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:46,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-29 00:41:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:46,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:41:46,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-11-29 00:41:46,709 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:41:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-11-29 00:41:46,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:46,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1985820531] [2023-11-29 00:41:46,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1985820531] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:41:46,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:41:46,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-29 00:41:46,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098708652] [2023-11-29 00:41:46,911 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:41:46,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 00:41:46,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:46,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 00:41:46,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:41:46,912 INFO L87 Difference]: Start difference. First operand 763 states and 1505 transitions. Second operand has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 00:41:47,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:47,182 INFO L93 Difference]: Finished difference Result 839 states and 1604 transitions. [2023-11-29 00:41:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:41:47,182 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) Word has length 141 [2023-11-29 00:41:47,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:47,192 INFO L225 Difference]: With dead ends: 839 [2023-11-29 00:41:47,192 INFO L226 Difference]: Without dead ends: 827 [2023-11-29 00:41:47,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:41:47,194 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 12 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:47,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 232 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:41:47,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2023-11-29 00:41:47,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 820. [2023-11-29 00:41:47,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 613 states have (on average 1.0619902120717781) internal successors, (651), 610 states have internal predecessors, (651), 125 states have call successors, (125), 68 states have call predecessors, (125), 78 states have return successors, (792), 141 states have call predecessors, (792), 123 states have call successors, (792) [2023-11-29 00:41:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1568 transitions. [2023-11-29 00:41:47,348 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1568 transitions. Word has length 141 [2023-11-29 00:41:47,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:47,348 INFO L495 AbstractCegarLoop]: Abstraction has 820 states and 1568 transitions. [2023-11-29 00:41:47,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 8 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (7), 5 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 00:41:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1568 transitions. [2023-11-29 00:41:47,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 00:41:47,352 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:47,352 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:47,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-11-29 00:41:47,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:47,552 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:47,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:47,553 INFO L85 PathProgramCache]: Analyzing trace with hash 416952456, now seen corresponding path program 3 times [2023-11-29 00:41:47,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:47,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [896295964] [2023-11-29 00:41:47,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 00:41:47,554 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:47,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:47,556 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:47,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-11-29 00:41:47,644 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-11-29 00:41:47,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:41:47,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 00:41:47,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-11-29 00:41:47,892 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:41:48,840 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-11-29 00:41:48,840 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:48,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [896295964] [2023-11-29 00:41:48,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [896295964] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:41:48,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:41:48,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2023-11-29 00:41:48,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606317986] [2023-11-29 00:41:48,841 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:41:48,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 00:41:48,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:48,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 00:41:48,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2023-11-29 00:41:48,842 INFO L87 Difference]: Start difference. First operand 820 states and 1568 transitions. Second operand has 24 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 14 states have internal predecessors, (51), 11 states have call successors, (14), 11 states have call predecessors, (14), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 00:41:52,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:52,221 INFO L93 Difference]: Finished difference Result 1033 states and 1790 transitions. [2023-11-29 00:41:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-11-29 00:41:52,228 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 14 states have internal predecessors, (51), 11 states have call successors, (14), 11 states have call predecessors, (14), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 143 [2023-11-29 00:41:52,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:52,236 INFO L225 Difference]: With dead ends: 1033 [2023-11-29 00:41:52,236 INFO L226 Difference]: Without dead ends: 1032 [2023-11-29 00:41:52,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=539, Invalid=1623, Unknown=0, NotChecked=0, Total=2162 [2023-11-29 00:41:52,238 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 742 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:52,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [744 Valid, 624 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 00:41:52,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2023-11-29 00:41:52,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1012. [2023-11-29 00:41:52,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 769 states have (on average 1.0806241872561768) internal successors, (831), 766 states have internal predecessors, (831), 131 states have call successors, (131), 74 states have call predecessors, (131), 108 states have return successors, (822), 171 states have call predecessors, (822), 129 states have call successors, (822) [2023-11-29 00:41:52,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1784 transitions. [2023-11-29 00:41:52,336 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1784 transitions. Word has length 143 [2023-11-29 00:41:52,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:52,337 INFO L495 AbstractCegarLoop]: Abstraction has 1012 states and 1784 transitions. [2023-11-29 00:41:52,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 14 states have internal predecessors, (51), 11 states have call successors, (14), 11 states have call predecessors, (14), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 00:41:52,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1784 transitions. [2023-11-29 00:41:52,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-29 00:41:52,340 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:52,340 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:52,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-11-29 00:41:52,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:52,541 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:52,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:52,541 INFO L85 PathProgramCache]: Analyzing trace with hash 2101170674, now seen corresponding path program 1 times [2023-11-29 00:41:52,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:52,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648566796] [2023-11-29 00:41:52,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:41:52,542 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:52,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:52,543 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:52,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-11-29 00:41:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:41:52,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 00:41:52,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 43 proven. 237 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2023-11-29 00:41:52,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:41:53,536 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 43 proven. 259 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2023-11-29 00:41:53,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:53,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648566796] [2023-11-29 00:41:53,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648566796] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:41:53,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:41:53,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17] total 20 [2023-11-29 00:41:53,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154782420] [2023-11-29 00:41:53,537 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:41:53,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:41:53,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:53,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:41:53,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:41:53,539 INFO L87 Difference]: Start difference. First operand 1012 states and 1784 transitions. Second operand has 20 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 14 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (17), 8 states have call predecessors, (17), 13 states have call successors, (17) [2023-11-29 00:41:54,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:54,188 INFO L93 Difference]: Finished difference Result 2309 states and 4579 transitions. [2023-11-29 00:41:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 00:41:54,189 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 14 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (17), 8 states have call predecessors, (17), 13 states have call successors, (17) Word has length 153 [2023-11-29 00:41:54,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:54,201 INFO L225 Difference]: With dead ends: 2309 [2023-11-29 00:41:54,202 INFO L226 Difference]: Without dead ends: 1405 [2023-11-29 00:41:54,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2023-11-29 00:41:54,216 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 99 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:54,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 308 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:41:54,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2023-11-29 00:41:54,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1242. [2023-11-29 00:41:54,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1242 states, 941 states have (on average 1.0669500531349627) internal successors, (1004), 937 states have internal predecessors, (1004), 169 states have call successors, (169), 94 states have call predecessors, (169), 128 states have return successors, (576), 210 states have call predecessors, (576), 165 states have call successors, (576) [2023-11-29 00:41:54,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1242 states and 1749 transitions. [2023-11-29 00:41:54,386 INFO L78 Accepts]: Start accepts. Automaton has 1242 states and 1749 transitions. Word has length 153 [2023-11-29 00:41:54,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:54,387 INFO L495 AbstractCegarLoop]: Abstraction has 1242 states and 1749 transitions. [2023-11-29 00:41:54,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 14 states have call successors, (16), 2 states have call predecessors, (16), 7 states have return successors, (17), 8 states have call predecessors, (17), 13 states have call successors, (17) [2023-11-29 00:41:54,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1749 transitions. [2023-11-29 00:41:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-29 00:41:54,391 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:54,392 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:54,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-11-29 00:41:54,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:54,592 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:54,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:54,593 INFO L85 PathProgramCache]: Analyzing trace with hash 248957360, now seen corresponding path program 2 times [2023-11-29 00:41:54,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:54,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650914554] [2023-11-29 00:41:54,594 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 00:41:54,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:54,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:54,595 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:54,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-11-29 00:41:54,725 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 00:41:54,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:41:54,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 00:41:54,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:54,917 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 47 proven. 248 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2023-11-29 00:41:54,917 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:41:55,396 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 47 proven. 269 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2023-11-29 00:41:55,396 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:55,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650914554] [2023-11-29 00:41:55,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [650914554] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:41:55,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:41:55,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 20 [2023-11-29 00:41:55,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440672733] [2023-11-29 00:41:55,397 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:41:55,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 00:41:55,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:55,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 00:41:55,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-11-29 00:41:55,398 INFO L87 Difference]: Start difference. First operand 1242 states and 1749 transitions. Second operand has 20 states, 18 states have (on average 4.5) internal successors, (81), 17 states have internal predecessors, (81), 13 states have call successors, (16), 3 states have call predecessors, (16), 6 states have return successors, (16), 7 states have call predecessors, (16), 11 states have call successors, (16) [2023-11-29 00:41:55,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:55,963 INFO L93 Difference]: Finished difference Result 1268 states and 1821 transitions. [2023-11-29 00:41:55,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 00:41:55,964 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.5) internal successors, (81), 17 states have internal predecessors, (81), 13 states have call successors, (16), 3 states have call predecessors, (16), 6 states have return successors, (16), 7 states have call predecessors, (16), 11 states have call successors, (16) Word has length 158 [2023-11-29 00:41:55,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:55,971 INFO L225 Difference]: With dead ends: 1268 [2023-11-29 00:41:55,971 INFO L226 Difference]: Without dead ends: 1251 [2023-11-29 00:41:55,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2023-11-29 00:41:55,972 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 77 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:55,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 247 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:41:55,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2023-11-29 00:41:56,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1247. [2023-11-29 00:41:56,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 945 states have (on average 1.0666666666666667) internal successors, (1008), 941 states have internal predecessors, (1008), 170 states have call successors, (170), 95 states have call predecessors, (170), 128 states have return successors, (576), 210 states have call predecessors, (576), 165 states have call successors, (576) [2023-11-29 00:41:56,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1754 transitions. [2023-11-29 00:41:56,097 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1754 transitions. Word has length 158 [2023-11-29 00:41:56,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:56,098 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1754 transitions. [2023-11-29 00:41:56,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.5) internal successors, (81), 17 states have internal predecessors, (81), 13 states have call successors, (16), 3 states have call predecessors, (16), 6 states have return successors, (16), 7 states have call predecessors, (16), 11 states have call successors, (16) [2023-11-29 00:41:56,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1754 transitions. [2023-11-29 00:41:56,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-29 00:41:56,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:56,102 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:56,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2023-11-29 00:41:56,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:56,303 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:56,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:56,303 INFO L85 PathProgramCache]: Analyzing trace with hash -372737870, now seen corresponding path program 3 times [2023-11-29 00:41:56,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:56,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484548509] [2023-11-29 00:41:56,304 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 00:41:56,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:56,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:56,305 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:56,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-11-29 00:41:56,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-29 00:41:56,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:41:56,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:41:56,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:56,408 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-29 00:41:56,408 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:41:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-29 00:41:56,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:56,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1484548509] [2023-11-29 00:41:56,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1484548509] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:41:56,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:41:56,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2023-11-29 00:41:56,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385017942] [2023-11-29 00:41:56,682 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:41:56,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 00:41:56,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:56,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 00:41:56,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:41:56,684 INFO L87 Difference]: Start difference. First operand 1247 states and 1754 transitions. Second operand has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 14 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 7 states have return successors, (9), 7 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-29 00:41:57,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:57,165 INFO L93 Difference]: Finished difference Result 1390 states and 1949 transitions. [2023-11-29 00:41:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 00:41:57,165 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 14 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 7 states have return successors, (9), 7 states have call predecessors, (9), 1 states have call successors, (9) Word has length 163 [2023-11-29 00:41:57,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:57,174 INFO L225 Difference]: With dead ends: 1390 [2023-11-29 00:41:57,174 INFO L226 Difference]: Without dead ends: 1349 [2023-11-29 00:41:57,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2023-11-29 00:41:57,175 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 13 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:57,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 275 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 00:41:57,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2023-11-29 00:41:57,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1342. [2023-11-29 00:41:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 1027 states have (on average 1.0691333982473223) internal successors, (1098), 1021 states have internal predecessors, (1098), 170 states have call successors, (170), 95 states have call predecessors, (170), 141 states have return successors, (591), 225 states have call predecessors, (591), 165 states have call successors, (591) [2023-11-29 00:41:57,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1859 transitions. [2023-11-29 00:41:57,276 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1859 transitions. Word has length 163 [2023-11-29 00:41:57,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:57,277 INFO L495 AbstractCegarLoop]: Abstraction has 1342 states and 1859 transitions. [2023-11-29 00:41:57,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 14 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 7 states have return successors, (9), 7 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-29 00:41:57,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1859 transitions. [2023-11-29 00:41:57,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 00:41:57,280 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:57,280 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 10, 10, 10, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1] [2023-11-29 00:41:57,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2023-11-29 00:41:57,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:57,481 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:57,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:57,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1735940920, now seen corresponding path program 4 times [2023-11-29 00:41:57,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:57,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853095219] [2023-11-29 00:41:57,482 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 00:41:57,482 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:57,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:57,483 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:57,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-11-29 00:41:57,612 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 00:41:57,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:41:57,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 00:41:57,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:41:57,817 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 133 proven. 223 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2023-11-29 00:41:57,817 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:41:58,223 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 133 proven. 244 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2023-11-29 00:41:58,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:41:58,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853095219] [2023-11-29 00:41:58,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1853095219] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:41:58,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:41:58,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 19 [2023-11-29 00:41:58,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759007425] [2023-11-29 00:41:58,224 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:41:58,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-29 00:41:58,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:41:58,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-29 00:41:58,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2023-11-29 00:41:58,226 INFO L87 Difference]: Start difference. First operand 1342 states and 1859 transitions. Second operand has 19 states, 17 states have (on average 3.823529411764706) internal successors, (65), 15 states have internal predecessors, (65), 13 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (13), 5 states have call predecessors, (13), 9 states have call successors, (13) [2023-11-29 00:41:58,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:41:58,842 INFO L93 Difference]: Finished difference Result 1730 states and 2333 transitions. [2023-11-29 00:41:58,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 00:41:58,843 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 3.823529411764706) internal successors, (65), 15 states have internal predecessors, (65), 13 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (13), 5 states have call predecessors, (13), 9 states have call successors, (13) Word has length 173 [2023-11-29 00:41:58,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:41:58,853 INFO L225 Difference]: With dead ends: 1730 [2023-11-29 00:41:58,853 INFO L226 Difference]: Without dead ends: 1278 [2023-11-29 00:41:58,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2023-11-29 00:41:58,856 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 64 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:41:58,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 330 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:41:58,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2023-11-29 00:41:58,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1274. [2023-11-29 00:41:59,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1274 states, 979 states have (on average 1.0715015321756896) internal successors, (1049), 973 states have internal predecessors, (1049), 154 states have call successors, (154), 90 states have call predecessors, (154), 137 states have return successors, (535), 210 states have call predecessors, (535), 149 states have call successors, (535) [2023-11-29 00:41:59,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1738 transitions. [2023-11-29 00:41:59,009 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1738 transitions. Word has length 173 [2023-11-29 00:41:59,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:41:59,009 INFO L495 AbstractCegarLoop]: Abstraction has 1274 states and 1738 transitions. [2023-11-29 00:41:59,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 3.823529411764706) internal successors, (65), 15 states have internal predecessors, (65), 13 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (13), 5 states have call predecessors, (13), 9 states have call successors, (13) [2023-11-29 00:41:59,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1738 transitions. [2023-11-29 00:41:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 00:41:59,015 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:41:59,015 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1] [2023-11-29 00:41:59,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2023-11-29 00:41:59,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:59,216 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:41:59,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:41:59,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1506504514, now seen corresponding path program 4 times [2023-11-29 00:41:59,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:41:59,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114218839] [2023-11-29 00:41:59,217 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 00:41:59,217 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:41:59,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:41:59,218 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:41:59,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-11-29 00:41:59,389 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 00:41:59,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:41:59,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 93 conjunts are in the unsatisfiable core [2023-11-29 00:41:59,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:42:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:42:00,716 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:42:08,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:42:08,243 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:42:08,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114218839] [2023-11-29 00:42:08,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [114218839] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:42:08,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:42:08,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 93 [2023-11-29 00:42:08,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635582778] [2023-11-29 00:42:08,244 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:42:08,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-11-29 00:42:08,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:42:08,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-11-29 00:42:08,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1243, Invalid=7499, Unknown=0, NotChecked=0, Total=8742 [2023-11-29 00:42:08,249 INFO L87 Difference]: Start difference. First operand 1274 states and 1738 transitions. Second operand has 94 states, 93 states have (on average 2.956989247311828) internal successors, (275), 94 states have internal predecessors, (275), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:43:45,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:43:45,740 INFO L93 Difference]: Finished difference Result 13313 states and 18333 transitions. [2023-11-29 00:43:45,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-11-29 00:43:45,741 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 2.956989247311828) internal successors, (275), 94 states have internal predecessors, (275), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2023-11-29 00:43:45,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:43:45,806 INFO L225 Difference]: With dead ends: 13313 [2023-11-29 00:43:45,806 INFO L226 Difference]: Without dead ends: 13168 [2023-11-29 00:43:45,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3613 ImplicationChecksByTransitivity, 77.3s TimeCoverageRelationStatistics Valid=5659, Invalid=20747, Unknown=0, NotChecked=0, Total=26406 [2023-11-29 00:43:45,823 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 6685 mSDsluCounter, 17623 mSDsCounter, 0 mSdLazyCounter, 11868 mSolverCounterSat, 2568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6685 SdHoareTripleChecker+Valid, 18130 SdHoareTripleChecker+Invalid, 14436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2568 IncrementalHoareTripleChecker+Valid, 11868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:43:45,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6685 Valid, 18130 Invalid, 14436 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2568 Valid, 11868 Invalid, 0 Unknown, 0 Unchecked, 23.4s Time] [2023-11-29 00:43:45,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13168 states. [2023-11-29 00:43:46,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13168 to 2378. [2023-11-29 00:43:46,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2378 states, 1795 states have (on average 1.052367688022284) internal successors, (1889), 1789 states have internal predecessors, (1889), 346 states have call successors, (346), 186 states have call predecessors, (346), 233 states have return successors, (3648), 402 states have call predecessors, (3648), 341 states have call successors, (3648) [2023-11-29 00:43:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2378 states and 5883 transitions. [2023-11-29 00:43:46,487 INFO L78 Accepts]: Start accepts. Automaton has 2378 states and 5883 transitions. Word has length 161 [2023-11-29 00:43:46,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:43:46,487 INFO L495 AbstractCegarLoop]: Abstraction has 2378 states and 5883 transitions. [2023-11-29 00:43:46,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 2.956989247311828) internal successors, (275), 94 states have internal predecessors, (275), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:43:46,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 5883 transitions. [2023-11-29 00:43:46,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-11-29 00:43:46,497 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:43:46,497 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2023-11-29 00:43:46,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2023-11-29 00:43:46,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:43:46,698 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:43:46,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:43:46,698 INFO L85 PathProgramCache]: Analyzing trace with hash -2146208568, now seen corresponding path program 5 times [2023-11-29 00:43:46,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:43:46,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1152445208] [2023-11-29 00:43:46,699 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-29 00:43:46,699 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:43:46,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:43:46,700 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:43:46,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-11-29 00:43:47,126 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2023-11-29 00:43:47,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:43:47,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 00:43:47,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:43:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2955 backedges. 221 proven. 702 refuted. 0 times theorem prover too weak. 2032 trivial. 0 not checked. [2023-11-29 00:43:47,432 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:43:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2955 backedges. 221 proven. 742 refuted. 0 times theorem prover too weak. 1992 trivial. 0 not checked. [2023-11-29 00:43:48,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:43:48,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1152445208] [2023-11-29 00:43:48,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1152445208] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:43:48,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:43:48,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21] total 23 [2023-11-29 00:43:48,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183942576] [2023-11-29 00:43:48,148 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:43:48,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 00:43:48,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:43:48,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 00:43:48,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2023-11-29 00:43:48,150 INFO L87 Difference]: Start difference. First operand 2378 states and 5883 transitions. Second operand has 23 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 18 states have internal predecessors, (78), 16 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 6 states have call predecessors, (16), 11 states have call successors, (16) [2023-11-29 00:43:49,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:43:49,531 INFO L93 Difference]: Finished difference Result 5525 states and 16656 transitions. [2023-11-29 00:43:49,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 00:43:49,532 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 18 states have internal predecessors, (78), 16 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 6 states have call predecessors, (16), 11 states have call successors, (16) Word has length 301 [2023-11-29 00:43:49,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:43:49,559 INFO L225 Difference]: With dead ends: 5525 [2023-11-29 00:43:49,559 INFO L226 Difference]: Without dead ends: 3317 [2023-11-29 00:43:49,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2023-11-29 00:43:49,599 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 115 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:43:49,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 505 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 00:43:49,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3317 states. [2023-11-29 00:43:50,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3317 to 2737. [2023-11-29 00:43:50,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 2070 states have (on average 1.0454106280193236) internal successors, (2164), 2063 states have internal predecessors, (2164), 395 states have call successors, (395), 221 states have call predecessors, (395), 268 states have return successors, (1699), 452 states have call predecessors, (1699), 384 states have call successors, (1699) [2023-11-29 00:43:50,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 4258 transitions. [2023-11-29 00:43:50,041 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 4258 transitions. Word has length 301 [2023-11-29 00:43:50,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:43:50,041 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 4258 transitions. [2023-11-29 00:43:50,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 18 states have internal predecessors, (78), 16 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (16), 6 states have call predecessors, (16), 11 states have call successors, (16) [2023-11-29 00:43:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 4258 transitions. [2023-11-29 00:43:50,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2023-11-29 00:43:50,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:43:50,059 INFO L195 NwaCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 11, 11, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2023-11-29 00:43:50,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2023-11-29 00:43:50,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:43:50,260 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:43:50,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:43:50,260 INFO L85 PathProgramCache]: Analyzing trace with hash -627436344, now seen corresponding path program 6 times [2023-11-29 00:43:50,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:43:50,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171279650] [2023-11-29 00:43:50,261 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-29 00:43:50,262 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:43:50,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:43:50,263 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:43:50,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2023-11-29 00:43:50,857 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2023-11-29 00:43:50,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:43:50,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-29 00:43:50,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:43:51,569 INFO L134 CoverageAnalysis]: Checked inductivity of 11787 backedges. 606 proven. 1772 refuted. 0 times theorem prover too weak. 9409 trivial. 0 not checked. [2023-11-29 00:43:51,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:43:56,860 INFO L134 CoverageAnalysis]: Checked inductivity of 11787 backedges. 606 proven. 1840 refuted. 0 times theorem prover too weak. 9341 trivial. 0 not checked. [2023-11-29 00:43:56,860 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:43:56,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1171279650] [2023-11-29 00:43:56,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1171279650] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:43:56,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:43:56,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 36] total 61 [2023-11-29 00:43:56,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587279323] [2023-11-29 00:43:56,861 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:43:56,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2023-11-29 00:43:56,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:43:56,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2023-11-29 00:43:56,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=388, Invalid=3394, Unknown=0, NotChecked=0, Total=3782 [2023-11-29 00:43:56,865 INFO L87 Difference]: Start difference. First operand 2737 states and 4258 transitions. Second operand has 62 states, 59 states have (on average 2.6779661016949152) internal successors, (158), 38 states have internal predecessors, (158), 33 states have call successors, (38), 23 states have call predecessors, (38), 8 states have return successors, (21), 12 states have call predecessors, (21), 11 states have call successors, (21) [2023-11-29 00:44:10,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:44:10,752 INFO L93 Difference]: Finished difference Result 5691 states and 9713 transitions. [2023-11-29 00:44:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-11-29 00:44:10,753 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 59 states have (on average 2.6779661016949152) internal successors, (158), 38 states have internal predecessors, (158), 33 states have call successors, (38), 23 states have call predecessors, (38), 8 states have return successors, (21), 12 states have call predecessors, (21), 11 states have call successors, (21) Word has length 557 [2023-11-29 00:44:10,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:44:10,775 INFO L225 Difference]: With dead ends: 5691 [2023-11-29 00:44:10,775 INFO L226 Difference]: Without dead ends: 3601 [2023-11-29 00:44:10,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1156 GetRequests, 1056 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=950, Invalid=9352, Unknown=0, NotChecked=0, Total=10302 [2023-11-29 00:44:10,790 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 491 mSDsluCounter, 3011 mSDsCounter, 0 mSdLazyCounter, 4129 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 4324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 4129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:44:10,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 3124 Invalid, 4324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 4129 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-11-29 00:44:10,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3601 states. [2023-11-29 00:44:11,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3601 to 2937. [2023-11-29 00:44:11,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2247 states have (on average 1.0440587449933245) internal successors, (2346), 2239 states have internal predecessors, (2346), 415 states have call successors, (415), 248 states have call predecessors, (415), 271 states have return successors, (1003), 449 states have call predecessors, (1003), 408 states have call successors, (1003) [2023-11-29 00:44:11,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 3764 transitions. [2023-11-29 00:44:11,353 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 3764 transitions. Word has length 557 [2023-11-29 00:44:11,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:44:11,353 INFO L495 AbstractCegarLoop]: Abstraction has 2937 states and 3764 transitions. [2023-11-29 00:44:11,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 59 states have (on average 2.6779661016949152) internal successors, (158), 38 states have internal predecessors, (158), 33 states have call successors, (38), 23 states have call predecessors, (38), 8 states have return successors, (21), 12 states have call predecessors, (21), 11 states have call successors, (21) [2023-11-29 00:44:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 3764 transitions. [2023-11-29 00:44:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2023-11-29 00:44:11,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:44:11,367 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1] [2023-11-29 00:44:11,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2023-11-29 00:44:11,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:44:11,568 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-29 00:44:11,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:44:11,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1445784254, now seen corresponding path program 5 times [2023-11-29 00:44:11,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:44:11,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119992220] [2023-11-29 00:44:11,569 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-29 00:44:11,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:44:11,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:44:11,571 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:44:11,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483849e2-bd3b-4361-838c-ce693b99bbee/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2023-11-29 00:44:12,657 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-11-29 00:44:12,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 00:44:12,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 216 conjunts are in the unsatisfiable core [2023-11-29 00:44:12,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:44:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:44:17,401 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:44:49,018 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:44:49,018 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:44:49,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119992220] [2023-11-29 00:44:49,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1119992220] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:44:49,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:44:49,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95] total 189 [2023-11-29 00:44:49,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843057107] [2023-11-29 00:44:49,019 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:44:49,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2023-11-29 00:44:49,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:44:49,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2023-11-29 00:44:49,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4795, Invalid=31115, Unknown=0, NotChecked=0, Total=35910 [2023-11-29 00:44:49,026 INFO L87 Difference]: Start difference. First operand 2937 states and 3764 transitions. Second operand has 190 states, 189 states have (on average 2.9788359788359786) internal successors, (563), 190 states have internal predecessors, (563), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:28,127 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 425 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:45:53,527 WARN L293 SmtUtils]: Spent 8.77s on a formula simplification that was a NOOP. DAG size: 416 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:46:19,113 WARN L293 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 407 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:46:43,779 WARN L293 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 398 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:47:08,176 WARN L293 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 389 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:47:31,855 WARN L293 SmtUtils]: Spent 7.57s on a formula simplification that was a NOOP. DAG size: 380 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:47:54,894 WARN L293 SmtUtils]: Spent 7.16s on a formula simplification that was a NOOP. DAG size: 371 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:48:17,606 WARN L293 SmtUtils]: Spent 7.01s on a formula simplification that was a NOOP. DAG size: 362 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:48:40,059 WARN L293 SmtUtils]: Spent 6.87s on a formula simplification that was a NOOP. DAG size: 353 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:49:01,495 WARN L293 SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 344 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:49:22,435 WARN L293 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 335 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:49:42,813 WARN L293 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 326 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 00:50:02,600 WARN L293 SmtUtils]: Spent 5.35s on a formula simplification that was a NOOP. DAG size: 317 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)