./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu --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 0.2.3-dev-9bd2c7f [2023-11-19 08:01:00,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:00,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 08:01:00,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:00,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:00,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:00,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:00,216 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:00,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:00,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:00,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:00,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:00,226 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:00,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:00,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:01:00,229 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:01:00,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:01:00,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:01:00,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:00,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:01:00,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:00,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:01:00,233 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:01:00,233 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:01:00,233 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:01:00,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:01:00,234 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:00,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:00,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:00,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:00,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:00,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:00,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:00,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:01:00,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:01:00,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:01:00,238 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:00,238 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:01:00,239 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:00,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:00,239 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:00,239 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_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9 [2023-11-19 08:01:00,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:00,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:00,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:00,581 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:00,582 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:00,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/recursive/recHanoi01.c [2023-11-19 08:01:03,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:04,226 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:04,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/sv-benchmarks/c/recursive/recHanoi01.c [2023-11-19 08:01:04,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/data/67a545300/4dd842d7eae44c5fa025eb16b6282539/FLAG4f06decaf [2023-11-19 08:01:04,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/data/67a545300/4dd842d7eae44c5fa025eb16b6282539 [2023-11-19 08:01:04,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:04,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:04,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:04,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:04,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:04,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:04" (1/1) ... [2023-11-19 08:01:04,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3b77e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:04, skipping insertion in model container [2023-11-19 08:01:04,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:04" (1/1) ... [2023-11-19 08:01:04,324 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:04,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:04,601 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:01:04,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:04,664 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:01:04,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:04 WrapperNode [2023-11-19 08:01:04,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:04,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:04,668 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:01:04,668 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:01:04,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:04" (1/1) ... [2023-11-19 08:01:04,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:04" (1/1) ... [2023-11-19 08:01:04,713 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2023-11-19 08:01:04,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:04,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:01:04,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:01:04,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:01:04,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:04" (1/1) ... [2023-11-19 08:01:04,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:04" (1/1) ... [2023-11-19 08:01:04,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:04" (1/1) ... [2023-11-19 08:01:04,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:04" (1/1) ... [2023-11-19 08:01:04,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:04" (1/1) ... [2023-11-19 08:01:04,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:04" (1/1) ... [2023-11-19 08:01:04,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:04" (1/1) ... [2023-11-19 08:01:04,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:04" (1/1) ... [2023-11-19 08:01:04,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:01:04,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:01:04,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:01:04,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:01:04,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:04" (1/1) ... [2023-11-19 08:01:04,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:04,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:04,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:01:04,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:01:04,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:01:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2023-11-19 08:01:04,821 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2023-11-19 08:01:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2023-11-19 08:01:04,821 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2023-11-19 08:01:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:01:04,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:01:04,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:01:04,892 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:01:04,894 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:01:05,134 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:01:05,144 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:01:05,145 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:01:05,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:05 BoogieIcfgContainer [2023-11-19 08:01:05,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:01:05,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:01:05,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:01:05,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:01:05,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:04" (1/3) ... [2023-11-19 08:01:05,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258689a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:05, skipping insertion in model container [2023-11-19 08:01:05,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:04" (2/3) ... [2023-11-19 08:01:05,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258689a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:05, skipping insertion in model container [2023-11-19 08:01:05,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:05" (3/3) ... [2023-11-19 08:01:05,161 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2023-11-19 08:01:05,187 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:01:05,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-19 08:01:05,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:01:05,291 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;@33beb989, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>] [2023-11-19 08:01:05,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-19 08:01:05,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 41 states have internal predecessors, (44), 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) [2023-11-19 08:01:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 08:01:05,307 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:05,307 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:05,308 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:05,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:05,315 INFO L85 PathProgramCache]: Analyzing trace with hash -163862552, now seen corresponding path program 1 times [2023-11-19 08:01:05,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:05,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545534731] [2023-11-19 08:01:05,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:05,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:05,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:05,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:05,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545534731] [2023-11-19 08:01:05,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545534731] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:05,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:05,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:01:05,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752935463] [2023-11-19 08:01:05,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:05,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:05,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:05,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:05,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:05,821 INFO L87 Difference]: Start difference. First operand has 48 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 41 states have internal predecessors, (44), 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 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) [2023-11-19 08:01:05,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:05,974 INFO L93 Difference]: Finished difference Result 84 states and 92 transitions. [2023-11-19 08:01:05,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:01:05,978 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 [2023-11-19 08:01:05,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:05,991 INFO L225 Difference]: With dead ends: 84 [2023-11-19 08:01:05,992 INFO L226 Difference]: Without dead ends: 66 [2023-11-19 08:01:05,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:06,001 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 34 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:06,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 135 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:06,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-19 08:01:06,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 47. [2023-11-19 08:01:06,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 40 states have internal predecessors, (42), 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) [2023-11-19 08:01:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2023-11-19 08:01:06,057 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 7 [2023-11-19 08:01:06,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:06,058 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2023-11-19 08:01:06,058 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) [2023-11-19 08:01:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2023-11-19 08:01:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 08:01:06,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:06,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:06,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:01:06,061 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:06,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:06,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1441878698, now seen corresponding path program 1 times [2023-11-19 08:01:06,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:06,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766872851] [2023-11-19 08:01:06,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:06,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:06,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:06,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766872851] [2023-11-19 08:01:06,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766872851] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:06,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:06,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:01:06,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176245297] [2023-11-19 08:01:06,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:06,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:06,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:06,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:06,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:06,215 INFO L87 Difference]: Start difference. First operand 47 states and 52 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) [2023-11-19 08:01:06,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:06,307 INFO L93 Difference]: Finished difference Result 78 states and 85 transitions. [2023-11-19 08:01:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:01:06,308 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 [2023-11-19 08:01:06,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:06,310 INFO L225 Difference]: With dead ends: 78 [2023-11-19 08:01:06,310 INFO L226 Difference]: Without dead ends: 55 [2023-11-19 08:01:06,311 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 [2023-11-19 08:01:06,313 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 18 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:06,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 141 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:01:06,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-19 08:01:06,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2023-11-19 08:01:06,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 44 states have internal predecessors, (47), 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) [2023-11-19 08:01:06,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2023-11-19 08:01:06,327 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 9 [2023-11-19 08:01:06,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:06,328 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2023-11-19 08:01:06,328 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) [2023-11-19 08:01:06,328 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2023-11-19 08:01:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 08:01:06,329 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:06,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:06,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:01:06,330 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:06,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:06,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1748566720, now seen corresponding path program 1 times [2023-11-19 08:01:06,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:06,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410680357] [2023-11-19 08:01:06,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:06,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:06,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:06,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:06,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410680357] [2023-11-19 08:01:06,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410680357] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:06,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:06,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:01:06,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142360023] [2023-11-19 08:01:06,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:06,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:06,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:06,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:06,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:06,458 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-19 08:01:06,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:06,555 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2023-11-19 08:01:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:01:06,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 10 [2023-11-19 08:01:06,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:06,559 INFO L225 Difference]: With dead ends: 53 [2023-11-19 08:01:06,559 INFO L226 Difference]: Without dead ends: 51 [2023-11-19 08:01:06,560 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 [2023-11-19 08:01:06,561 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 23 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:06,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 105 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:01:06,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-19 08:01:06,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-19 08:01:06,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 42 states have internal predecessors, (43), 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) [2023-11-19 08:01:06,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2023-11-19 08:01:06,576 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 10 [2023-11-19 08:01:06,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:06,576 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2023-11-19 08:01:06,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-19 08:01:06,577 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-19 08:01:06,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 08:01:06,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:06,577 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:06,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:01:06,578 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:06,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:06,579 INFO L85 PathProgramCache]: Analyzing trace with hash -895197661, now seen corresponding path program 1 times [2023-11-19 08:01:06,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:06,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212997881] [2023-11-19 08:01:06,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:06,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:06,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:06,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212997881] [2023-11-19 08:01:06,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212997881] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:06,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076927330] [2023-11-19 08:01:06,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:06,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:06,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:06,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:06,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:01:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:06,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:01:06,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:06,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:06,933 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:06,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076927330] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:06,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:01:06,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-11-19 08:01:06,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322701571] [2023-11-19 08:01:06,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:06,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:06,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:06,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:06,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:01:06,937 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2023-11-19 08:01:06,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:06,968 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2023-11-19 08:01:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:01:06,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 14 [2023-11-19 08:01:06,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:06,971 INFO L225 Difference]: With dead ends: 51 [2023-11-19 08:01:06,971 INFO L226 Difference]: Without dead ends: 50 [2023-11-19 08:01:06,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:01:06,974 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 38 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:06,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 76 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:06,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-19 08:01:06,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-19 08:01:06,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.3548387096774193) 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) [2023-11-19 08:01:06,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2023-11-19 08:01:06,987 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 14 [2023-11-19 08:01:06,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:06,987 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2023-11-19 08:01:06,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2023-11-19 08:01:06,988 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2023-11-19 08:01:06,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 08:01:06,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:06,989 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:07,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:07,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:07,212 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:07,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:07,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1981323677, now seen corresponding path program 1 times [2023-11-19 08:01:07,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:07,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100537158] [2023-11-19 08:01:07,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:07,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:07,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:07,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100537158] [2023-11-19 08:01:07,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100537158] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:07,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265014247] [2023-11-19 08:01:07,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:07,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:07,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:07,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:07,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:01:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:07,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 08:01:07,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:07,580 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:07,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:07,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265014247] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:07,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:01:07,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-19 08:01:07,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746099016] [2023-11-19 08:01:07,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:07,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 08:01:07,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:07,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 08:01:07,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:01:07,676 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 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) [2023-11-19 08:01:07,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:07,881 INFO L93 Difference]: Finished difference Result 157 states and 189 transitions. [2023-11-19 08:01:07,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 08:01:07,881 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 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 15 [2023-11-19 08:01:07,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:07,886 INFO L225 Difference]: With dead ends: 157 [2023-11-19 08:01:07,886 INFO L226 Difference]: Without dead ends: 156 [2023-11-19 08:01:07,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-19 08:01:07,889 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 100 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:07,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 341 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:01:07,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-19 08:01:07,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 89. [2023-11-19 08:01:07,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 60 states have (on average 1.3) internal successors, (78), 72 states have internal predecessors, (78), 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) [2023-11-19 08:01:07,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 120 transitions. [2023-11-19 08:01:07,919 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 120 transitions. Word has length 15 [2023-11-19 08:01:07,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:07,919 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 120 transitions. [2023-11-19 08:01:07,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 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) [2023-11-19 08:01:07,920 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 120 transitions. [2023-11-19 08:01:07,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 08:01:07,920 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:07,921 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:07,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:08,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:08,140 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:08,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:08,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1291491803, now seen corresponding path program 1 times [2023-11-19 08:01:08,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:08,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506851637] [2023-11-19 08:01:08,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:08,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:08,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:08,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:08,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506851637] [2023-11-19 08:01:08,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506851637] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:08,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934246968] [2023-11-19 08:01:08,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:08,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:08,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:08,263 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:08,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:01:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:08,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:01:08,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:08,352 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:08,352 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:08,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:08,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934246968] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:08,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:01:08,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-11-19 08:01:08,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474447488] [2023-11-19 08:01:08,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:08,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 08:01:08,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:08,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 08:01:08,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:01:08,433 INFO L87 Difference]: Start difference. First operand 89 states and 120 transitions. Second operand has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 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) [2023-11-19 08:01:08,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:08,546 INFO L93 Difference]: Finished difference Result 95 states and 126 transitions. [2023-11-19 08:01:08,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:01:08,547 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 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 16 [2023-11-19 08:01:08,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:08,549 INFO L225 Difference]: With dead ends: 95 [2023-11-19 08:01:08,549 INFO L226 Difference]: Without dead ends: 93 [2023-11-19 08:01:08,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2023-11-19 08:01:08,551 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 44 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:08,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 185 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:01:08,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-19 08:01:08,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-19 08:01:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 73 states have internal predecessors, (75), 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) [2023-11-19 08:01:08,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 120 transitions. [2023-11-19 08:01:08,573 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 120 transitions. Word has length 16 [2023-11-19 08:01:08,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:08,573 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 120 transitions. [2023-11-19 08:01:08,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 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) [2023-11-19 08:01:08,574 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2023-11-19 08:01:08,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 08:01:08,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:08,575 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] [2023-11-19 08:01:08,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:08,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-19 08:01:08,806 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:08,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:08,806 INFO L85 PathProgramCache]: Analyzing trace with hash 978877444, now seen corresponding path program 1 times [2023-11-19 08:01:08,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:08,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358118362] [2023-11-19 08:01:08,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:08,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:08,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:01:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:08,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:08,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:01:08,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:08,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358118362] [2023-11-19 08:01:08,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358118362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:08,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:08,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:01:08,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770949564] [2023-11-19 08:01:08,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:08,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:01:08,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:08,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:01:08,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:01:08,913 INFO L87 Difference]: Start difference. First operand 93 states and 120 transitions. Second operand has 6 states, 4 states have (on average 4.0) 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) [2023-11-19 08:01:09,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:09,030 INFO L93 Difference]: Finished difference Result 113 states and 142 transitions. [2023-11-19 08:01:09,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:01:09,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 4.0) 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 [2023-11-19 08:01:09,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:09,032 INFO L225 Difference]: With dead ends: 113 [2023-11-19 08:01:09,032 INFO L226 Difference]: Without dead ends: 110 [2023-11-19 08:01:09,033 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 [2023-11-19 08:01:09,034 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 72 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:09,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 83 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:01:09,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-19 08:01:09,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 103. [2023-11-19 08:01:09,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 72 states have (on average 1.2222222222222223) internal successors, (88), 81 states have internal predecessors, (88), 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) [2023-11-19 08:01:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 135 transitions. [2023-11-19 08:01:09,055 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 135 transitions. Word has length 28 [2023-11-19 08:01:09,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:09,056 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 135 transitions. [2023-11-19 08:01:09,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 4.0) 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) [2023-11-19 08:01:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 135 transitions. [2023-11-19 08:01:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 08:01:09,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:09,058 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, 1] [2023-11-19 08:01:09,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 08:01:09,058 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:09,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:09,059 INFO L85 PathProgramCache]: Analyzing trace with hash 280429750, now seen corresponding path program 1 times [2023-11-19 08:01:09,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:09,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419856399] [2023-11-19 08:01:09,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:09,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:09,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:01:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:09,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:09,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 08:01:09,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:09,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419856399] [2023-11-19 08:01:09,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419856399] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:09,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195360632] [2023-11-19 08:01:09,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:09,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:09,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:09,281 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:09,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:01:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:09,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:01:09,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:09,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:01:09,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:09,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195360632] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:09,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:01:09,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 13 [2023-11-19 08:01:09,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656190558] [2023-11-19 08:01:09,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:09,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:09,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:09,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:09,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-11-19 08:01:09,394 INFO L87 Difference]: Start difference. First operand 103 states and 135 transitions. Second operand has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2023-11-19 08:01:09,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:09,431 INFO L93 Difference]: Finished difference Result 103 states and 135 transitions. [2023-11-19 08:01:09,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:01:09,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 29 [2023-11-19 08:01:09,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:09,434 INFO L225 Difference]: With dead ends: 103 [2023-11-19 08:01:09,434 INFO L226 Difference]: Without dead ends: 102 [2023-11-19 08:01:09,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2023-11-19 08:01:09,436 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 29 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:09,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 101 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:09,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-19 08:01:09,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-11-19 08:01:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 72 states have (on average 1.1944444444444444) internal successors, (86), 80 states have internal predecessors, (86), 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) [2023-11-19 08:01:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 133 transitions. [2023-11-19 08:01:09,456 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 133 transitions. Word has length 29 [2023-11-19 08:01:09,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:09,457 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 133 transitions. [2023-11-19 08:01:09,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2023-11-19 08:01:09,457 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 133 transitions. [2023-11-19 08:01:09,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 08:01:09,459 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:09,459 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, 1] [2023-11-19 08:01:09,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:09,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-19 08:01:09,683 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:09,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:09,684 INFO L85 PathProgramCache]: Analyzing trace with hash 533107753, now seen corresponding path program 1 times [2023-11-19 08:01:09,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:09,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761429440] [2023-11-19 08:01:09,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:09,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:09,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:01:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:09,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:09,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:09,788 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:01:09,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:09,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761429440] [2023-11-19 08:01:09,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761429440] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:09,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606804274] [2023-11-19 08:01:09,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:09,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:09,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:09,790 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:09,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:01:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:09,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:01:09,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:09,904 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:01:09,904 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:01:10,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606804274] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:10,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:01:10,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2023-11-19 08:01:10,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541254149] [2023-11-19 08:01:10,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:10,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 08:01:10,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:10,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 08:01:10,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-19 08:01:10,010 INFO L87 Difference]: Start difference. First operand 102 states and 133 transitions. Second operand has 13 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 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) [2023-11-19 08:01:10,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:10,505 INFO L93 Difference]: Finished difference Result 163 states and 196 transitions. [2023-11-19 08:01:10,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 08:01:10,506 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 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 33 [2023-11-19 08:01:10,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:10,508 INFO L225 Difference]: With dead ends: 163 [2023-11-19 08:01:10,509 INFO L226 Difference]: Without dead ends: 162 [2023-11-19 08:01:10,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2023-11-19 08:01:10,510 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 269 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:10,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 140 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:01:10,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-19 08:01:10,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 138. [2023-11-19 08:01:10,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 102 states have (on average 1.2843137254901962) internal successors, (131), 110 states have internal predecessors, (131), 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) [2023-11-19 08:01:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 184 transitions. [2023-11-19 08:01:10,535 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 184 transitions. Word has length 33 [2023-11-19 08:01:10,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:10,535 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 184 transitions. [2023-11-19 08:01:10,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 2.9) internal successors, (29), 8 states have internal predecessors, (29), 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) [2023-11-19 08:01:10,536 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 184 transitions. [2023-11-19 08:01:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 08:01:10,538 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:10,538 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, 1] [2023-11-19 08:01:10,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:10,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:10,757 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:10,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:10,757 INFO L85 PathProgramCache]: Analyzing trace with hash -976431123, now seen corresponding path program 1 times [2023-11-19 08:01:10,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:10,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372267501] [2023-11-19 08:01:10,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:10,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:10,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:01:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:10,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:10,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:10,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 08:01:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:10,865 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 08:01:10,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:10,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372267501] [2023-11-19 08:01:10,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372267501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:10,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:10,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:01:10,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848106482] [2023-11-19 08:01:10,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:10,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:01:10,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:10,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:01:10,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:01:10,867 INFO L87 Difference]: Start difference. First operand 138 states and 184 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2023-11-19 08:01:11,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:11,018 INFO L93 Difference]: Finished difference Result 175 states and 237 transitions. [2023-11-19 08:01:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:01:11,019 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 36 [2023-11-19 08:01:11,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:11,024 INFO L225 Difference]: With dead ends: 175 [2023-11-19 08:01:11,024 INFO L226 Difference]: Without dead ends: 164 [2023-11-19 08:01:11,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:01:11,026 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 52 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:11,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 85 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:01:11,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-19 08:01:11,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2023-11-19 08:01:11,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 125 states have (on average 1.224) internal successors, (153), 132 states have internal predecessors, (153), 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) [2023-11-19 08:01:11,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 210 transitions. [2023-11-19 08:01:11,059 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 210 transitions. Word has length 36 [2023-11-19 08:01:11,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:11,062 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 210 transitions. [2023-11-19 08:01:11,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2023-11-19 08:01:11,062 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 210 transitions. [2023-11-19 08:01:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 08:01:11,071 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:11,071 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2023-11-19 08:01:11,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 08:01:11,072 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:11,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:11,073 INFO L85 PathProgramCache]: Analyzing trace with hash 985458174, now seen corresponding path program 2 times [2023-11-19 08:01:11,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:11,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081994015] [2023-11-19 08:01:11,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:11,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:11,432 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:11,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:11,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081994015] [2023-11-19 08:01:11,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081994015] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:11,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956570656] [2023-11-19 08:01:11,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:01:11,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:11,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:11,435 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:11,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 08:01:11,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 08:01:11,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:01:11,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 08:01:11,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:11,638 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:11,867 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:11,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956570656] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:11,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:01:11,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2023-11-19 08:01:11,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189717997] [2023-11-19 08:01:11,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:11,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-19 08:01:11,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:11,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-19 08:01:11,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2023-11-19 08:01:11,873 INFO L87 Difference]: Start difference. First operand 164 states and 210 transitions. Second operand has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 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) [2023-11-19 08:01:12,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:12,563 INFO L93 Difference]: Finished difference Result 1095 states and 1449 transitions. [2023-11-19 08:01:12,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-19 08:01:12,563 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 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 36 [2023-11-19 08:01:12,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:12,577 INFO L225 Difference]: With dead ends: 1095 [2023-11-19 08:01:12,577 INFO L226 Difference]: Without dead ends: 1094 [2023-11-19 08:01:12,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2023-11-19 08:01:12,581 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 496 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:12,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 383 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 08:01:12,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2023-11-19 08:01:12,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 266. [2023-11-19 08:01:12,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 197 states have (on average 1.1725888324873097) internal successors, (231), 210 states have internal predecessors, (231), 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) [2023-11-19 08:01:12,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 435 transitions. [2023-11-19 08:01:12,661 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 435 transitions. Word has length 36 [2023-11-19 08:01:12,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:12,661 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 435 transitions. [2023-11-19 08:01:12,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 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) [2023-11-19 08:01:12,661 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 435 transitions. [2023-11-19 08:01:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 08:01:12,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:12,667 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, 1] [2023-11-19 08:01:12,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:12,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:12,884 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:12,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:12,885 INFO L85 PathProgramCache]: Analyzing trace with hash 603763268, now seen corresponding path program 2 times [2023-11-19 08:01:12,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:12,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230834942] [2023-11-19 08:01:12,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:12,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:01:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:13,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:13,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:13,190 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 08:01:13,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:13,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230834942] [2023-11-19 08:01:13,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230834942] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:13,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315081228] [2023-11-19 08:01:13,191 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:01:13,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:13,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:13,236 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:13,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 08:01:13,357 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 08:01:13,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:01:13,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 08:01:13,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:13,416 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:01:13,416 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:13,677 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:01:13,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315081228] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:13,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:01:13,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 12] total 29 [2023-11-19 08:01:13,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18759922] [2023-11-19 08:01:13,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:13,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-19 08:01:13,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:13,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-19 08:01:13,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2023-11-19 08:01:13,680 INFO L87 Difference]: Start difference. First operand 266 states and 435 transitions. Second operand has 30 states, 27 states have (on average 2.4444444444444446) internal successors, (66), 19 states have internal predecessors, (66), 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) [2023-11-19 08:01:14,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:14,863 INFO L93 Difference]: Finished difference Result 421 states and 585 transitions. [2023-11-19 08:01:14,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-19 08:01:14,864 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 27 states have (on average 2.4444444444444446) internal successors, (66), 19 states have internal predecessors, (66), 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 48 [2023-11-19 08:01:14,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:14,867 INFO L225 Difference]: With dead ends: 421 [2023-11-19 08:01:14,868 INFO L226 Difference]: Without dead ends: 420 [2023-11-19 08:01:14,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=841, Invalid=3191, Unknown=0, NotChecked=0, Total=4032 [2023-11-19 08:01:14,871 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 674 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:14,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 116 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 08:01:14,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2023-11-19 08:01:14,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 380. [2023-11-19 08:01:14,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 293 states have (on average 1.2184300341296928) internal successors, (357), 306 states have internal predecessors, (357), 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) [2023-11-19 08:01:14,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 579 transitions. [2023-11-19 08:01:14,920 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 579 transitions. Word has length 48 [2023-11-19 08:01:14,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:14,921 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 579 transitions. [2023-11-19 08:01:14,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 27 states have (on average 2.4444444444444446) internal successors, (66), 19 states have internal predecessors, (66), 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) [2023-11-19 08:01:14,921 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 579 transitions. [2023-11-19 08:01:14,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 08:01:14,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:14,923 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, 1] [2023-11-19 08:01:14,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:15,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:15,138 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:15,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:15,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1788578095, now seen corresponding path program 1 times [2023-11-19 08:01:15,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:15,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209055155] [2023-11-19 08:01:15,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:15,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:15,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:01:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:15,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:15,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:15,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 08:01:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:15,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 08:01:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:15,393 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 08:01:15,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:15,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209055155] [2023-11-19 08:01:15,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209055155] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:15,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089132999] [2023-11-19 08:01:15,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:15,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:15,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:15,409 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:15,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 08:01:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:15,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 08:01:15,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 08:01:15,612 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:16,175 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 08:01:16,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089132999] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:16,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:01:16,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 13] total 28 [2023-11-19 08:01:16,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129185751] [2023-11-19 08:01:16,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:16,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-19 08:01:16,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:16,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-19 08:01:16,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2023-11-19 08:01:16,180 INFO L87 Difference]: Start difference. First operand 380 states and 579 transitions. Second operand has 28 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 23 states have internal predecessors, (77), 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) [2023-11-19 08:01:16,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:16,933 INFO L93 Difference]: Finished difference Result 1032 states and 1755 transitions. [2023-11-19 08:01:16,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-19 08:01:16,934 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 23 states have internal predecessors, (77), 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 48 [2023-11-19 08:01:16,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:16,940 INFO L225 Difference]: With dead ends: 1032 [2023-11-19 08:01:16,940 INFO L226 Difference]: Without dead ends: 678 [2023-11-19 08:01:16,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 90 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=302, Invalid=1678, Unknown=0, NotChecked=0, Total=1980 [2023-11-19 08:01:16,948 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 170 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:16,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 194 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 08:01:16,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2023-11-19 08:01:17,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 644. [2023-11-19 08:01:17,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 498 states have (on average 1.1907630522088353) internal successors, (593), 508 states have internal predecessors, (593), 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) [2023-11-19 08:01:17,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 922 transitions. [2023-11-19 08:01:17,078 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 922 transitions. Word has length 48 [2023-11-19 08:01:17,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:17,079 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 922 transitions. [2023-11-19 08:01:17,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 2.9615384615384617) internal successors, (77), 23 states have internal predecessors, (77), 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) [2023-11-19 08:01:17,079 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 922 transitions. [2023-11-19 08:01:17,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 08:01:17,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:17,083 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, 1] [2023-11-19 08:01:17,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:17,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:17,300 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:17,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:17,301 INFO L85 PathProgramCache]: Analyzing trace with hash 220460964, now seen corresponding path program 3 times [2023-11-19 08:01:17,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:17,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605863853] [2023-11-19 08:01:17,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:17,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:01:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 2 proven. 262 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 08:01:17,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:17,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605863853] [2023-11-19 08:01:17,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605863853] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:17,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025917565] [2023-11-19 08:01:17,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 08:01:17,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:17,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:17,975 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:17,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 08:01:18,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-19 08:01:18,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:01:18,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 08:01:18,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-11-19 08:01:18,270 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:18,540 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-11-19 08:01:18,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025917565] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:18,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:01:18,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 9, 10] total 39 [2023-11-19 08:01:18,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486331922] [2023-11-19 08:01:18,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:18,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-11-19 08:01:18,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:18,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-11-19 08:01:18,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1251, Unknown=0, NotChecked=0, Total=1482 [2023-11-19 08:01:18,545 INFO L87 Difference]: Start difference. First operand 644 states and 922 transitions. Second operand has 39 states, 37 states have (on average 2.4594594594594597) internal successors, (91), 25 states have internal predecessors, (91), 18 states have call successors, (21), 15 states have call predecessors, (21), 5 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2023-11-19 08:01:20,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:20,158 INFO L93 Difference]: Finished difference Result 879 states and 1129 transitions. [2023-11-19 08:01:20,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-19 08:01:20,158 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 37 states have (on average 2.4594594594594597) internal successors, (91), 25 states have internal predecessors, (91), 18 states have call successors, (21), 15 states have call predecessors, (21), 5 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) Word has length 78 [2023-11-19 08:01:20,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:20,165 INFO L225 Difference]: With dead ends: 879 [2023-11-19 08:01:20,165 INFO L226 Difference]: Without dead ends: 713 [2023-11-19 08:01:20,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 150 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1579 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1143, Invalid=5019, Unknown=0, NotChecked=0, Total=6162 [2023-11-19 08:01:20,169 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 947 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:20,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 94 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 08:01:20,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2023-11-19 08:01:20,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 667. [2023-11-19 08:01:20,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 521 states have (on average 1.1880998080614202) internal successors, (619), 521 states have internal predecessors, (619), 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) [2023-11-19 08:01:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 931 transitions. [2023-11-19 08:01:20,243 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 931 transitions. Word has length 78 [2023-11-19 08:01:20,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:20,244 INFO L495 AbstractCegarLoop]: Abstraction has 667 states and 931 transitions. [2023-11-19 08:01:20,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 37 states have (on average 2.4594594594594597) internal successors, (91), 25 states have internal predecessors, (91), 18 states have call successors, (21), 15 states have call predecessors, (21), 5 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2023-11-19 08:01:20,244 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 931 transitions. [2023-11-19 08:01:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 08:01:20,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:20,247 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2023-11-19 08:01:20,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:20,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-19 08:01:20,460 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:20,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:20,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1229352162, now seen corresponding path program 3 times [2023-11-19 08:01:20,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:20,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172947404] [2023-11-19 08:01:20,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:20,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:21,358 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:21,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:21,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172947404] [2023-11-19 08:01:21,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172947404] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:21,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444496613] [2023-11-19 08:01:21,359 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 08:01:21,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:21,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:21,361 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:21,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 08:01:21,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-19 08:01:21,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:01:21,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 08:01:21,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:21,633 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:21,633 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:22,280 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:22,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444496613] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:22,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:01:22,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2023-11-19 08:01:22,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63715310] [2023-11-19 08:01:22,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:22,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-19 08:01:22,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:22,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-19 08:01:22,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2023-11-19 08:01:22,285 INFO L87 Difference]: Start difference. First operand 667 states and 931 transitions. Second operand has 48 states, 47 states have (on average 2.9148936170212765) internal successors, (137), 48 states have internal predecessors, (137), 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) [2023-11-19 08:01:24,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:24,732 INFO L93 Difference]: Finished difference Result 5814 states and 8063 transitions. [2023-11-19 08:01:24,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-19 08:01:24,733 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 2.9148936170212765) internal successors, (137), 48 states have internal predecessors, (137), 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 78 [2023-11-19 08:01:24,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:24,784 INFO L225 Difference]: With dead ends: 5814 [2023-11-19 08:01:24,784 INFO L226 Difference]: Without dead ends: 5733 [2023-11-19 08:01:24,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1048 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1382, Invalid=3448, Unknown=0, NotChecked=0, Total=4830 [2023-11-19 08:01:24,795 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 1296 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:24,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1296 Valid, 669 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 08:01:24,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5733 states. [2023-11-19 08:01:25,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5733 to 1256. [2023-11-19 08:01:25,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 965 states have (on average 1.1398963730569949) internal successors, (1100), 964 states have internal predecessors, (1100), 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) [2023-11-19 08:01:25,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 2481 transitions. [2023-11-19 08:01:25,137 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 2481 transitions. Word has length 78 [2023-11-19 08:01:25,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:25,138 INFO L495 AbstractCegarLoop]: Abstraction has 1256 states and 2481 transitions. [2023-11-19 08:01:25,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 2.9148936170212765) internal successors, (137), 48 states have internal predecessors, (137), 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) [2023-11-19 08:01:25,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 2481 transitions. [2023-11-19 08:01:25,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 08:01:25,144 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:25,144 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, 1] [2023-11-19 08:01:25,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:25,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-19 08:01:25,360 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:25,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:25,361 INFO L85 PathProgramCache]: Analyzing trace with hash 9934441, now seen corresponding path program 4 times [2023-11-19 08:01:25,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:25,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934463314] [2023-11-19 08:01:25,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:25,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:26,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:01:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:26,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:26,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:26,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:26,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 08:01:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:26,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:26,377 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 15 proven. 356 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 08:01:26,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:26,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934463314] [2023-11-19 08:01:26,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934463314] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:26,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638788201] [2023-11-19 08:01:26,378 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-19 08:01:26,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:26,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:26,379 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:26,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 08:01:26,465 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-19 08:01:26,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:01:26,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 08:01:26,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 81 proven. 53 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-11-19 08:01:26,691 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:27,006 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 81 proven. 61 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-11-19 08:01:27,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638788201] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:27,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:01:27,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 11, 13] total 45 [2023-11-19 08:01:27,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997064103] [2023-11-19 08:01:27,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:27,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-11-19 08:01:27,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:27,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-11-19 08:01:27,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=1687, Unknown=0, NotChecked=0, Total=1980 [2023-11-19 08:01:27,010 INFO L87 Difference]: Start difference. First operand 1256 states and 2481 transitions. Second operand has 45 states, 43 states have (on average 2.5348837209302326) internal successors, (109), 28 states have internal predecessors, (109), 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) [2023-11-19 08:01:27,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:27,975 INFO L93 Difference]: Finished difference Result 2311 states and 5079 transitions. [2023-11-19 08:01:27,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-19 08:01:27,976 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 43 states have (on average 2.5348837209302326) internal successors, (109), 28 states have internal predecessors, (109), 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 115 [2023-11-19 08:01:27,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:27,989 INFO L225 Difference]: With dead ends: 2311 [2023-11-19 08:01:27,989 INFO L226 Difference]: Without dead ends: 1090 [2023-11-19 08:01:28,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=622, Invalid=3410, Unknown=0, NotChecked=0, Total=4032 [2023-11-19 08:01:28,007 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 174 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:28,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 197 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 08:01:28,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2023-11-19 08:01:28,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 957. [2023-11-19 08:01:28,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 733 states have (on average 1.1077762619372442) internal successors, (812), 716 states have internal predecessors, (812), 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) [2023-11-19 08:01:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1431 transitions. [2023-11-19 08:01:28,153 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1431 transitions. Word has length 115 [2023-11-19 08:01:28,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:28,154 INFO L495 AbstractCegarLoop]: Abstraction has 957 states and 1431 transitions. [2023-11-19 08:01:28,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 43 states have (on average 2.5348837209302326) internal successors, (109), 28 states have internal predecessors, (109), 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) [2023-11-19 08:01:28,154 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1431 transitions. [2023-11-19 08:01:28,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 08:01:28,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:28,158 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, 1] [2023-11-19 08:01:28,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:28,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-19 08:01:28,381 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:28,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:28,382 INFO L85 PathProgramCache]: Analyzing trace with hash 542836559, now seen corresponding path program 2 times [2023-11-19 08:01:28,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:28,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218313682] [2023-11-19 08:01:28,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:28,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:01:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 08:01:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 08:01:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 08:01:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-19 08:01:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 08:01:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:28,736 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2023-11-19 08:01:28,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:28,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218313682] [2023-11-19 08:01:28,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218313682] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:28,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933997223] [2023-11-19 08:01:28,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:01:28,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:28,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:28,738 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:28,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-19 08:01:28,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 08:01:28,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:01:28,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:01:28,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-11-19 08:01:28,931 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:28,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933997223] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:28,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:01:28,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2023-11-19 08:01:28,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067629963] [2023-11-19 08:01:28,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:28,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:01:28,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:28,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:01:28,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:01:28,934 INFO L87 Difference]: Start difference. First operand 957 states and 1431 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) [2023-11-19 08:01:29,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:29,053 INFO L93 Difference]: Finished difference Result 957 states and 1431 transitions. [2023-11-19 08:01:29,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:01:29,054 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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 144 [2023-11-19 08:01:29,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:29,063 INFO L225 Difference]: With dead ends: 957 [2023-11-19 08:01:29,063 INFO L226 Difference]: Without dead ends: 955 [2023-11-19 08:01:29,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:01:29,066 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 5 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:29,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 146 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:29,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2023-11-19 08:01:29,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 955. [2023-11-19 08:01:29,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 955 states, 733 states have (on average 1.0750341064120055) internal successors, (788), 714 states have internal predecessors, (788), 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) [2023-11-19 08:01:29,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1407 transitions. [2023-11-19 08:01:29,190 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1407 transitions. Word has length 144 [2023-11-19 08:01:29,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:29,191 INFO L495 AbstractCegarLoop]: Abstraction has 955 states and 1407 transitions. [2023-11-19 08:01:29,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) [2023-11-19 08:01:29,191 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1407 transitions. [2023-11-19 08:01:29,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 08:01:29,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:29,195 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, 1] [2023-11-19 08:01:29,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:29,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-19 08:01:29,414 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:29,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:29,414 INFO L85 PathProgramCache]: Analyzing trace with hash -351935791, now seen corresponding path program 1 times [2023-11-19 08:01:29,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:29,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109121563] [2023-11-19 08:01:29,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:29,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:01:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 08:01:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 08:01:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 08:01:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-19 08:01:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 08:01:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,676 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2023-11-19 08:01:29,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:29,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109121563] [2023-11-19 08:01:29,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109121563] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:29,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117388096] [2023-11-19 08:01:29,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:29,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:29,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:29,678 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:29,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-19 08:01:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:29,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:01:29,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:29,877 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-11-19 08:01:29,877 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:30,103 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2023-11-19 08:01:30,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117388096] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:30,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:01:30,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2023-11-19 08:01:30,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50180779] [2023-11-19 08:01:30,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:30,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 08:01:30,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:30,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 08:01:30,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-11-19 08:01:30,107 INFO L87 Difference]: Start difference. First operand 955 states and 1407 transitions. Second operand has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 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) [2023-11-19 08:01:30,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:30,363 INFO L93 Difference]: Finished difference Result 1178 states and 1690 transitions. [2023-11-19 08:01:30,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 08:01:30,364 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 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 145 [2023-11-19 08:01:30,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:30,375 INFO L225 Difference]: With dead ends: 1178 [2023-11-19 08:01:30,375 INFO L226 Difference]: Without dead ends: 1113 [2023-11-19 08:01:30,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2023-11-19 08:01:30,378 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 77 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:30,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 146 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:01:30,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2023-11-19 08:01:30,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 1113. [2023-11-19 08:01:30,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 868 states have (on average 1.0460829493087558) internal successors, (908), 845 states have internal predecessors, (908), 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) [2023-11-19 08:01:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1554 transitions. [2023-11-19 08:01:30,503 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1554 transitions. Word has length 145 [2023-11-19 08:01:30,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:30,504 INFO L495 AbstractCegarLoop]: Abstraction has 1113 states and 1554 transitions. [2023-11-19 08:01:30,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 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) [2023-11-19 08:01:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1554 transitions. [2023-11-19 08:01:30,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 08:01:30,511 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:30,511 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, 1] [2023-11-19 08:01:30,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:30,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-19 08:01:30,724 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:30,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:30,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1805318483, now seen corresponding path program 2 times [2023-11-19 08:01:30,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:30,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396681483] [2023-11-19 08:01:30,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:30,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:30,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:01:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:30,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 08:01:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 08:01:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-19 08:01:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 08:01:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 08:01:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-19 08:01:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 08:01:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 08:01:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 08:01:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 08:01:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:31,315 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 5 proven. 62 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2023-11-19 08:01:31,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:31,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396681483] [2023-11-19 08:01:31,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396681483] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:31,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426884980] [2023-11-19 08:01:31,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:01:31,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:31,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:31,317 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:31,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-19 08:01:31,444 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 08:01:31,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:01:31,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 08:01:31,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 97 proven. 236 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2023-11-19 08:01:31,806 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:33,538 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 97 proven. 285 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-19 08:01:33,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426884980] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:33,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:01:33,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16, 23] total 41 [2023-11-19 08:01:33,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346887375] [2023-11-19 08:01:33,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:33,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-11-19 08:01:33,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:33,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-11-19 08:01:33,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1471, Unknown=0, NotChecked=0, Total=1640 [2023-11-19 08:01:33,544 INFO L87 Difference]: Start difference. First operand 1113 states and 1554 transitions. Second operand has 41 states, 39 states have (on average 3.769230769230769) internal successors, (147), 36 states have internal predecessors, (147), 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) [2023-11-19 08:01:34,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:34,797 INFO L93 Difference]: Finished difference Result 1849 states and 2775 transitions. [2023-11-19 08:01:34,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-19 08:01:34,798 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 39 states have (on average 3.769230769230769) internal successors, (147), 36 states have internal predecessors, (147), 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 181 [2023-11-19 08:01:34,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:34,813 INFO L225 Difference]: With dead ends: 1849 [2023-11-19 08:01:34,814 INFO L226 Difference]: Without dead ends: 1296 [2023-11-19 08:01:34,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 365 SyntacticMatches, 8 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=663, Invalid=4029, Unknown=0, NotChecked=0, Total=4692 [2023-11-19 08:01:34,821 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 402 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:34,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 170 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 08:01:34,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2023-11-19 08:01:34,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1230. [2023-11-19 08:01:34,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 953 states have (on average 1.0409233997901364) internal successors, (992), 929 states have internal predecessors, (992), 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) [2023-11-19 08:01:34,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1794 transitions. [2023-11-19 08:01:34,995 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1794 transitions. Word has length 181 [2023-11-19 08:01:34,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:34,996 INFO L495 AbstractCegarLoop]: Abstraction has 1230 states and 1794 transitions. [2023-11-19 08:01:34,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 39 states have (on average 3.769230769230769) internal successors, (147), 36 states have internal predecessors, (147), 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) [2023-11-19 08:01:34,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1794 transitions. [2023-11-19 08:01:35,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-19 08:01:35,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:35,004 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2023-11-19 08:01:35,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:35,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:35,219 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:35,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:35,220 INFO L85 PathProgramCache]: Analyzing trace with hash -515525282, now seen corresponding path program 4 times [2023-11-19 08:01:35,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:35,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587718342] [2023-11-19 08:01:35,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:35,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:38,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:38,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587718342] [2023-11-19 08:01:38,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587718342] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:01:38,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029410728] [2023-11-19 08:01:38,233 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-19 08:01:38,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:38,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:38,234 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:01:38,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-19 08:01:38,422 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-19 08:01:38,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:01:38,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 93 conjunts are in the unsatisfiable core [2023-11-19 08:01:38,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:38,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:38,723 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:01:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:41,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029410728] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:01:41,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:01:41,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2023-11-19 08:01:41,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479157805] [2023-11-19 08:01:41,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:01:41,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-11-19 08:01:41,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:41,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-11-19 08:01:41,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2023-11-19 08:01:41,055 INFO L87 Difference]: Start difference. First operand 1230 states and 1794 transitions. Second operand has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 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) [2023-11-19 08:01:47,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:47,753 INFO L93 Difference]: Finished difference Result 5679 states and 9178 transitions. [2023-11-19 08:01:47,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-19 08:01:47,754 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 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 162 [2023-11-19 08:01:47,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:47,820 INFO L225 Difference]: With dead ends: 5679 [2023-11-19 08:01:47,820 INFO L226 Difference]: Without dead ends: 5678 [2023-11-19 08:01:47,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4408 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=5642, Invalid=14380, Unknown=0, NotChecked=0, Total=20022 [2023-11-19 08:01:47,836 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 1114 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:47,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 1597 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-19 08:01:47,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5678 states. [2023-11-19 08:01:48,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5678 to 2262. [2023-11-19 08:01:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 1697 states have (on average 1.0371243370654095) internal successors, (1760), 1649 states have internal predecessors, (1760), 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) [2023-11-19 08:01:48,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 5538 transitions. [2023-11-19 08:01:48,201 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 5538 transitions. Word has length 162 [2023-11-19 08:01:48,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:48,202 INFO L495 AbstractCegarLoop]: Abstraction has 2262 states and 5538 transitions. [2023-11-19 08:01:48,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 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) [2023-11-19 08:01:48,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 5538 transitions. [2023-11-19 08:01:48,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-11-19 08:01:48,249 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:48,249 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2023-11-19 08:01:48,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:48,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af5c2ac-1b9d-4e06-b018-f27e811781e3/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:48,464 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-19 08:01:48,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:48,465 INFO L85 PathProgramCache]: Analyzing trace with hash 727783902, now seen corresponding path program 5 times [2023-11-19 08:01:48,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:48,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20271770] [2023-11-19 08:01:48,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:48,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat