./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX --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 64bit --witnessprinter.graph.data.programhash 01a4b84af22ba9336b377376d27423612474043c2c250fad1845bccdee580746 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:26:14,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:26:14,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 17:26:14,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:26:14,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:26:14,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:26:14,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:26:14,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:26:14,541 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:26:14,542 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:26:14,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:26:14,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:26:14,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:26:14,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:26:14,550 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:26:14,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:26:14,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:26:14,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:26:14,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:26:14,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:26:14,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:26:14,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:26:14,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:26:14,553 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:26:14,553 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:26:14,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:26:14,554 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:26:14,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:26:14,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:26:14,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:26:14,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:26:14,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:26:14,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:26:14,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:26:14,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:26:14,558 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:26:14,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:26:14,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:26:14,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:26:14,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:26:14,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:26:14,561 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_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01a4b84af22ba9336b377376d27423612474043c2c250fad1845bccdee580746 [2024-11-08 17:26:14,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:26:14,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:26:14,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:26:14,909 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:26:14,910 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:26:14,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-2.c Unable to find full path for "g++" [2024-11-08 17:26:16,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:26:17,108 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:26:17,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop-2.c [2024-11-08 17:26:17,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/data/70af5e797/13b3aa7558cd4a44a6cf75f9db80e145/FLAG4836b6094 [2024-11-08 17:26:17,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/data/70af5e797/13b3aa7558cd4a44a6cf75f9db80e145 [2024-11-08 17:26:17,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:26:17,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:26:17,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:26:17,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:26:17,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:26:17,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:26:17" (1/1) ... [2024-11-08 17:26:17,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60af1879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17, skipping insertion in model container [2024-11-08 17:26:17,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:26:17" (1/1) ... [2024-11-08 17:26:17,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:26:17,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:26:17,737 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:26:17,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:26:17,763 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:26:17,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17 WrapperNode [2024-11-08 17:26:17,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:26:17,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:26:17,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:26:17,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:26:17,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17" (1/1) ... [2024-11-08 17:26:17,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17" (1/1) ... [2024-11-08 17:26:17,796 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2024-11-08 17:26:17,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:26:17,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:26:17,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:26:17,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:26:17,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17" (1/1) ... [2024-11-08 17:26:17,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17" (1/1) ... [2024-11-08 17:26:17,811 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17" (1/1) ... [2024-11-08 17:26:17,818 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 17:26:17,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17" (1/1) ... [2024-11-08 17:26:17,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17" (1/1) ... [2024-11-08 17:26:17,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17" (1/1) ... [2024-11-08 17:26:17,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17" (1/1) ... [2024-11-08 17:26:17,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17" (1/1) ... [2024-11-08 17:26:17,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17" (1/1) ... [2024-11-08 17:26:17,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:26:17,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:26:17,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:26:17,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:26:17,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17" (1/1) ... [2024-11-08 17:26:17,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:26:17,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:17,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:26:17,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:26:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:26:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:26:18,018 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:26:18,021 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:26:18,237 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 17:26:18,237 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:26:18,261 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:26:18,261 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:26:18,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:26:18 BoogieIcfgContainer [2024-11-08 17:26:18,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:26:18,267 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:26:18,268 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:26:18,272 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:26:18,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:26:17" (1/3) ... [2024-11-08 17:26:18,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d882714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:26:18, skipping insertion in model container [2024-11-08 17:26:18,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:17" (2/3) ... [2024-11-08 17:26:18,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d882714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:26:18, skipping insertion in model container [2024-11-08 17:26:18,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:26:18" (3/3) ... [2024-11-08 17:26:18,279 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-nestedLoop-2.c [2024-11-08 17:26:18,301 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:26:18,302 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-08 17:26:18,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:26:18,403 INFO L333 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, 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;@4a65f2a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:26:18,405 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-08 17:26:18,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:18,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 17:26:18,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:18,420 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:18,422 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:18,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:18,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1804969289, now seen corresponding path program 1 times [2024-11-08 17:26:18,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:18,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639059728] [2024-11-08 17:26:18,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:18,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:18,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:18,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639059728] [2024-11-08 17:26:18,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639059728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:26:18,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:26:18,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:26:18,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711517410] [2024-11-08 17:26:18,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:26:18,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:26:18,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:18,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:26:18,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:26:18,738 INFO L87 Difference]: Start difference. First operand has 26 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:18,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:18,809 INFO L93 Difference]: Finished difference Result 37 states and 48 transitions. [2024-11-08 17:26:18,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:26:18,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-08 17:26:18,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:18,822 INFO L225 Difference]: With dead ends: 37 [2024-11-08 17:26:18,822 INFO L226 Difference]: Without dead ends: 32 [2024-11-08 17:26:18,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:26:18,829 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 7 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:18,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 44 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:26:18,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-08 17:26:18,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2024-11-08 17:26:18,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 27 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:18,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-08 17:26:18,893 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 7 [2024-11-08 17:26:18,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:18,894 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-08 17:26:18,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:18,895 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-08 17:26:18,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 17:26:18,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:18,896 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:18,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:26:18,896 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:18,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:18,898 INFO L85 PathProgramCache]: Analyzing trace with hash 119445452, now seen corresponding path program 1 times [2024-11-08 17:26:18,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:18,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634799535] [2024-11-08 17:26:18,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:18,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:18,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:18,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:18,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634799535] [2024-11-08 17:26:18,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634799535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:26:18,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:26:18,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:26:18,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152425570] [2024-11-08 17:26:18,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:26:18,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:26:18,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:18,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:26:18,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:26:18,969 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:19,007 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2024-11-08 17:26:19,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:26:19,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-08 17:26:19,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:19,012 INFO L225 Difference]: With dead ends: 28 [2024-11-08 17:26:19,013 INFO L226 Difference]: Without dead ends: 27 [2024-11-08 17:26:19,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:26:19,017 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:19,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 26 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:26:19,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-08 17:26:19,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-08 17:26:19,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2024-11-08 17:26:19,033 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 8 [2024-11-08 17:26:19,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:19,034 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2024-11-08 17:26:19,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,036 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-08 17:26:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 17:26:19,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:19,037 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:19,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:26:19,038 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:19,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:19,039 INFO L85 PathProgramCache]: Analyzing trace with hash 119473192, now seen corresponding path program 1 times [2024-11-08 17:26:19,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:19,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667987636] [2024-11-08 17:26:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:19,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:19,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:19,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:19,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667987636] [2024-11-08 17:26:19,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667987636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:26:19,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:26:19,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:26:19,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106612281] [2024-11-08 17:26:19,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:26:19,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:26:19,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:19,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:26:19,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:26:19,137 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:19,186 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2024-11-08 17:26:19,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:26:19,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-08 17:26:19,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:19,189 INFO L225 Difference]: With dead ends: 37 [2024-11-08 17:26:19,191 INFO L226 Difference]: Without dead ends: 36 [2024-11-08 17:26:19,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:26:19,193 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 5 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:19,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 36 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:26:19,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-08 17:26:19,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 33. [2024-11-08 17:26:19,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.5) internal successors, (42), 32 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 42 transitions. [2024-11-08 17:26:19,213 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 42 transitions. Word has length 8 [2024-11-08 17:26:19,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:19,214 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 42 transitions. [2024-11-08 17:26:19,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,215 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-11-08 17:26:19,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 17:26:19,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:19,217 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:19,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:26:19,218 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:19,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:19,223 INFO L85 PathProgramCache]: Analyzing trace with hash -592158227, now seen corresponding path program 1 times [2024-11-08 17:26:19,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:19,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718617777] [2024-11-08 17:26:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:19,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:19,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:19,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:19,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718617777] [2024-11-08 17:26:19,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718617777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:26:19,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:26:19,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:26:19,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735121032] [2024-11-08 17:26:19,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:26:19,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:26:19,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:19,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:26:19,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:26:19,301 INFO L87 Difference]: Start difference. First operand 33 states and 42 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:19,338 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2024-11-08 17:26:19,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:26:19,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-08 17:26:19,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:19,341 INFO L225 Difference]: With dead ends: 38 [2024-11-08 17:26:19,341 INFO L226 Difference]: Without dead ends: 37 [2024-11-08 17:26:19,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:26:19,343 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:19,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:26:19,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-08 17:26:19,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-08 17:26:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.5) internal successors, (48), 36 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2024-11-08 17:26:19,353 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 9 [2024-11-08 17:26:19,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:19,353 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2024-11-08 17:26:19,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,354 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2024-11-08 17:26:19,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 17:26:19,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:19,355 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:19,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:26:19,356 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:19,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:19,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1554995150, now seen corresponding path program 1 times [2024-11-08 17:26:19,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:19,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701655936] [2024-11-08 17:26:19,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:19,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:19,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:19,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701655936] [2024-11-08 17:26:19,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701655936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:26:19,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:26:19,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:26:19,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61584600] [2024-11-08 17:26:19,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:26:19,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:26:19,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:19,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:26:19,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:26:19,445 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:19,497 INFO L93 Difference]: Finished difference Result 37 states and 48 transitions. [2024-11-08 17:26:19,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:26:19,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-08 17:26:19,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:19,499 INFO L225 Difference]: With dead ends: 37 [2024-11-08 17:26:19,499 INFO L226 Difference]: Without dead ends: 35 [2024-11-08 17:26:19,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:26:19,501 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:19,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 20 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:26:19,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-08 17:26:19,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2024-11-08 17:26:19,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2024-11-08 17:26:19,510 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 12 [2024-11-08 17:26:19,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:19,510 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2024-11-08 17:26:19,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-08 17:26:19,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 17:26:19,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:19,512 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:19,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:26:19,513 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:19,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:19,514 INFO L85 PathProgramCache]: Analyzing trace with hash -960209324, now seen corresponding path program 1 times [2024-11-08 17:26:19,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:19,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273410788] [2024-11-08 17:26:19,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:19,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:19,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:19,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:19,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273410788] [2024-11-08 17:26:19,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273410788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:26:19,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:26:19,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:26:19,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593529493] [2024-11-08 17:26:19,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:26:19,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:26:19,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:19,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:26:19,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:26:19,592 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:19,658 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2024-11-08 17:26:19,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:26:19,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-08 17:26:19,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:19,660 INFO L225 Difference]: With dead ends: 45 [2024-11-08 17:26:19,661 INFO L226 Difference]: Without dead ends: 43 [2024-11-08 17:26:19,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:26:19,663 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:19,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 30 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:26:19,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-08 17:26:19,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2024-11-08 17:26:19,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 39 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2024-11-08 17:26:19,685 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 53 transitions. Word has length 13 [2024-11-08 17:26:19,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:19,685 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 53 transitions. [2024-11-08 17:26:19,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:19,686 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2024-11-08 17:26:19,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 17:26:19,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:19,687 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-08 17:26:19,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:26:19,690 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:19,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:19,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1373630207, now seen corresponding path program 1 times [2024-11-08 17:26:19,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:19,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313747717] [2024-11-08 17:26:19,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:19,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:19,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:19,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313747717] [2024-11-08 17:26:19,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313747717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:26:19,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227583506] [2024-11-08 17:26:19,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:19,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:19,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:19,835 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:26:19,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:26:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:19,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:26:19,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:26:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:20,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:26:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:20,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227583506] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:26:20,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:26:20,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-08 17:26:20,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479872346] [2024-11-08 17:26:20,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:26:20,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:26:20,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:20,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:26:20,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:26:20,082 INFO L87 Difference]: Start difference. First operand 40 states and 53 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:20,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:20,156 INFO L93 Difference]: Finished difference Result 67 states and 88 transitions. [2024-11-08 17:26:20,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:26:20,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-08 17:26:20,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:20,158 INFO L225 Difference]: With dead ends: 67 [2024-11-08 17:26:20,158 INFO L226 Difference]: Without dead ends: 66 [2024-11-08 17:26:20,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:26:20,160 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 24 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:20,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 63 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:26:20,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-08 17:26:20,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 58. [2024-11-08 17:26:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 55 states have (on average 1.4) internal successors, (77), 57 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:20,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2024-11-08 17:26:20,172 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 13 [2024-11-08 17:26:20,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:20,172 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2024-11-08 17:26:20,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:20,173 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2024-11-08 17:26:20,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 17:26:20,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:20,174 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:20,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:26:20,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-08 17:26:20,375 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:20,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:20,376 INFO L85 PathProgramCache]: Analyzing trace with hash 978506710, now seen corresponding path program 1 times [2024-11-08 17:26:20,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:20,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012679128] [2024-11-08 17:26:20,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:20,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:20,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:20,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:20,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012679128] [2024-11-08 17:26:20,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012679128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:26:20,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932401776] [2024-11-08 17:26:20,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:20,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:20,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:20,442 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:26:20,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:26:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:20,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:26:20,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:26:20,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:20,523 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:26:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:20,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932401776] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:26:20,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:26:20,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-08 17:26:20,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077301147] [2024-11-08 17:26:20,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:26:20,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:26:20,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:20,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:26:20,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:26:20,575 INFO L87 Difference]: Start difference. First operand 58 states and 77 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:20,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:20,656 INFO L93 Difference]: Finished difference Result 116 states and 164 transitions. [2024-11-08 17:26:20,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:26:20,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-08 17:26:20,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:20,658 INFO L225 Difference]: With dead ends: 116 [2024-11-08 17:26:20,658 INFO L226 Difference]: Without dead ends: 115 [2024-11-08 17:26:20,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:26:20,659 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 26 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:20,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 63 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:26:20,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-08 17:26:20,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 112. [2024-11-08 17:26:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 109 states have (on average 1.4495412844036697) internal successors, (158), 111 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2024-11-08 17:26:20,690 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 15 [2024-11-08 17:26:20,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:20,693 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2024-11-08 17:26:20,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:20,694 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2024-11-08 17:26:20,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 17:26:20,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:20,696 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:20,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 17:26:20,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:20,900 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:20,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:20,901 INFO L85 PathProgramCache]: Analyzing trace with hash -165556421, now seen corresponding path program 1 times [2024-11-08 17:26:20,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:20,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904036796] [2024-11-08 17:26:20,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:20,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:20,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 17:26:20,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:20,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904036796] [2024-11-08 17:26:20,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904036796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:26:20,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108038636] [2024-11-08 17:26:20,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:20,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:20,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:20,965 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:26:20,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:26:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:21,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:26:21,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:26:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:21,098 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:26:21,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:21,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108038636] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:26:21,171 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:26:21,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 8 [2024-11-08 17:26:21,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851701455] [2024-11-08 17:26:21,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:26:21,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:26:21,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:21,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:26:21,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:26:21,173 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:21,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:21,364 INFO L93 Difference]: Finished difference Result 189 states and 272 transitions. [2024-11-08 17:26:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:26:21,364 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-08 17:26:21,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:21,366 INFO L225 Difference]: With dead ends: 189 [2024-11-08 17:26:21,366 INFO L226 Difference]: Without dead ends: 187 [2024-11-08 17:26:21,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:26:21,367 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 50 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:21,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 44 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:26:21,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-08 17:26:21,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 163. [2024-11-08 17:26:21,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 161 states have (on average 1.4472049689440993) internal successors, (233), 162 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:21,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 233 transitions. [2024-11-08 17:26:21,405 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 233 transitions. Word has length 17 [2024-11-08 17:26:21,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:21,405 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 233 transitions. [2024-11-08 17:26:21,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:21,405 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 233 transitions. [2024-11-08 17:26:21,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 17:26:21,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:21,406 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:21,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 17:26:21,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:21,613 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:21,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:21,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1027231249, now seen corresponding path program 1 times [2024-11-08 17:26:21,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:21,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799303989] [2024-11-08 17:26:21,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:21,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:21,699 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 17:26:21,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:21,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799303989] [2024-11-08 17:26:21,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799303989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:26:21,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372854997] [2024-11-08 17:26:21,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:21,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:21,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:21,702 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:26:21,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 17:26:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:21,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:26:21,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:26:21,836 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:21,836 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:26:21,925 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:21,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372854997] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:26:21,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:26:21,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 6] total 12 [2024-11-08 17:26:21,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061445935] [2024-11-08 17:26:21,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:26:21,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 17:26:21,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:21,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 17:26:21,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:26:21,927 INFO L87 Difference]: Start difference. First operand 163 states and 233 transitions. Second operand has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:22,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:22,238 INFO L93 Difference]: Finished difference Result 305 states and 431 transitions. [2024-11-08 17:26:22,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:26:22,239 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-08 17:26:22,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:22,241 INFO L225 Difference]: With dead ends: 305 [2024-11-08 17:26:22,241 INFO L226 Difference]: Without dead ends: 304 [2024-11-08 17:26:22,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:26:22,246 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 75 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:22,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 68 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:26:22,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-08 17:26:22,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 223. [2024-11-08 17:26:22,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 221 states have (on average 1.4434389140271493) internal successors, (319), 222 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:22,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 319 transitions. [2024-11-08 17:26:22,299 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 319 transitions. Word has length 23 [2024-11-08 17:26:22,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:22,299 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 319 transitions. [2024-11-08 17:26:22,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.166666666666667) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:22,300 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 319 transitions. [2024-11-08 17:26:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 17:26:22,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:22,302 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:22,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 17:26:22,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 17:26:22,502 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:22,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:22,503 INFO L85 PathProgramCache]: Analyzing trace with hash -91355645, now seen corresponding path program 1 times [2024-11-08 17:26:22,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:22,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007834171] [2024-11-08 17:26:22,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:22,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:22,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:22,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007834171] [2024-11-08 17:26:22,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007834171] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:26:22,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218847336] [2024-11-08 17:26:22,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:22,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:22,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:22,750 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:26:22,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 17:26:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:22,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 17:26:22,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:26:22,861 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:22,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:26:23,034 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:23,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218847336] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:26:23,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:26:23,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-08 17:26:23,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637639589] [2024-11-08 17:26:23,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:26:23,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 17:26:23,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:23,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 17:26:23,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:26:23,040 INFO L87 Difference]: Start difference. First operand 223 states and 319 transitions. Second operand has 16 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 16 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:23,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:23,303 INFO L93 Difference]: Finished difference Result 658 states and 948 transitions. [2024-11-08 17:26:23,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 17:26:23,304 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 16 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-08 17:26:23,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:23,308 INFO L225 Difference]: With dead ends: 658 [2024-11-08 17:26:23,308 INFO L226 Difference]: Without dead ends: 657 [2024-11-08 17:26:23,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:26:23,310 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 67 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:23,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 56 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:26:23,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-08 17:26:23,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 383. [2024-11-08 17:26:23,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 381 states have (on average 1.4776902887139107) internal successors, (563), 382 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:23,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 563 transitions. [2024-11-08 17:26:23,372 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 563 transitions. Word has length 30 [2024-11-08 17:26:23,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:23,373 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 563 transitions. [2024-11-08 17:26:23,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 16 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:23,373 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 563 transitions. [2024-11-08 17:26:23,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 17:26:23,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:23,376 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:23,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 17:26:23,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:23,577 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:23,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:23,578 INFO L85 PathProgramCache]: Analyzing trace with hash -767985391, now seen corresponding path program 2 times [2024-11-08 17:26:23,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:23,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697390603] [2024-11-08 17:26:23,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:23,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:23,656 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 17:26:23,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:23,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697390603] [2024-11-08 17:26:23,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697390603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:26:23,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170145198] [2024-11-08 17:26:23,657 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:26:23,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:23,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:23,660 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:26:23,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 17:26:23,709 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 17:26:23,709 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:26:23,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:26:23,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:26:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 17:26:23,769 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:26:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 17:26:23,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170145198] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:26:23,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:26:23,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-08 17:26:23,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900714187] [2024-11-08 17:26:23,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:26:23,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:26:23,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:23,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:26:23,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:26:23,835 INFO L87 Difference]: Start difference. First operand 383 states and 563 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:23,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:23,889 INFO L93 Difference]: Finished difference Result 383 states and 563 transitions. [2024-11-08 17:26:23,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:26:23,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-11-08 17:26:23,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:23,892 INFO L225 Difference]: With dead ends: 383 [2024-11-08 17:26:23,892 INFO L226 Difference]: Without dead ends: 382 [2024-11-08 17:26:23,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:26:23,894 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 11 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:23,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 28 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:26:23,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-08 17:26:23,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 117. [2024-11-08 17:26:23,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.3879310344827587) internal successors, (161), 116 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:23,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 161 transitions. [2024-11-08 17:26:23,916 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 161 transitions. Word has length 33 [2024-11-08 17:26:23,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:23,916 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 161 transitions. [2024-11-08 17:26:23,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:23,917 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 161 transitions. [2024-11-08 17:26:23,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 17:26:23,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:23,919 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-08 17:26:23,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 17:26:24,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-08 17:26:24,122 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:24,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:24,122 INFO L85 PathProgramCache]: Analyzing trace with hash -32874470, now seen corresponding path program 2 times [2024-11-08 17:26:24,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:24,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052310335] [2024-11-08 17:26:24,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:24,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:24,209 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:26:24,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:24,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052310335] [2024-11-08 17:26:24,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052310335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:26:24,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617081518] [2024-11-08 17:26:24,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:26:24,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:24,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:24,212 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:26:24,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 17:26:24,262 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:26:24,263 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:26:24,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:26:24,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:26:24,304 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:26:24,304 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:26:24,333 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:26:24,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617081518] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:26:24,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:26:24,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-08 17:26:24,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399380129] [2024-11-08 17:26:24,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:26:24,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:26:24,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:24,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:26:24,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:26:24,337 INFO L87 Difference]: Start difference. First operand 117 states and 161 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:24,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:24,399 INFO L93 Difference]: Finished difference Result 225 states and 308 transitions. [2024-11-08 17:26:24,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:26:24,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-11-08 17:26:24,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:24,401 INFO L225 Difference]: With dead ends: 225 [2024-11-08 17:26:24,401 INFO L226 Difference]: Without dead ends: 124 [2024-11-08 17:26:24,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:26:24,404 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 3 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:24,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 61 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:26:24,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-08 17:26:24,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 101. [2024-11-08 17:26:24,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.33) internal successors, (133), 100 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:24,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 133 transitions. [2024-11-08 17:26:24,421 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 133 transitions. Word has length 37 [2024-11-08 17:26:24,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:24,422 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 133 transitions. [2024-11-08 17:26:24,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:24,422 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 133 transitions. [2024-11-08 17:26:24,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 17:26:24,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:24,424 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:24,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 17:26:24,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-08 17:26:24,625 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:24,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:24,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1705765071, now seen corresponding path program 2 times [2024-11-08 17:26:24,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:24,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226307282] [2024-11-08 17:26:24,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:24,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:24,777 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 17:26:24,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:24,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226307282] [2024-11-08 17:26:24,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226307282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:26:24,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820164056] [2024-11-08 17:26:24,777 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:26:24,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:24,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:24,780 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:26:24,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 17:26:24,835 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:26:24,836 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:26:24,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:26:24,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:26:24,870 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 17:26:24,870 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:26:24,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820164056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:26:24,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:26:24,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-08 17:26:24,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282748305] [2024-11-08 17:26:24,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:26:24,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:26:24,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:24,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:26:24,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:26:24,873 INFO L87 Difference]: Start difference. First operand 101 states and 133 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:24,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:24,925 INFO L93 Difference]: Finished difference Result 202 states and 271 transitions. [2024-11-08 17:26:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:26:24,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2024-11-08 17:26:24,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:24,927 INFO L225 Difference]: With dead ends: 202 [2024-11-08 17:26:24,927 INFO L226 Difference]: Without dead ends: 108 [2024-11-08 17:26:24,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:26:24,928 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 5 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:24,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 37 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:26:24,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-08 17:26:24,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-08 17:26:24,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.308411214953271) internal successors, (140), 107 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:24,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2024-11-08 17:26:24,944 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 42 [2024-11-08 17:26:24,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:24,944 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2024-11-08 17:26:24,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2024-11-08 17:26:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 17:26:24,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:24,946 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-08 17:26:24,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 17:26:25,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-08 17:26:25,147 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:25,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:25,147 INFO L85 PathProgramCache]: Analyzing trace with hash -694549557, now seen corresponding path program 3 times [2024-11-08 17:26:25,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:25,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168900237] [2024-11-08 17:26:25,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:25,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 17:26:25,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:25,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168900237] [2024-11-08 17:26:25,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168900237] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:26:25,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354609797] [2024-11-08 17:26:25,390 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 17:26:25,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:25,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:25,392 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:26:25,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 17:26:25,445 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 17:26:25,446 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:26:25,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:26:25,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:26:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-08 17:26:25,575 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:26:25,701 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-08 17:26:25,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354609797] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:26:25,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:26:25,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4, 4] total 15 [2024-11-08 17:26:25,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954797715] [2024-11-08 17:26:25,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:26:25,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 17:26:25,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:25,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 17:26:25,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:26:25,705 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand has 16 states, 15 states have (on average 5.133333333333334) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:26,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:26,083 INFO L93 Difference]: Finished difference Result 171 states and 216 transitions. [2024-11-08 17:26:26,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 17:26:26,084 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.133333333333334) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2024-11-08 17:26:26,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:26,086 INFO L225 Difference]: With dead ends: 171 [2024-11-08 17:26:26,086 INFO L226 Difference]: Without dead ends: 60 [2024-11-08 17:26:26,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 92 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=605, Unknown=0, NotChecked=0, Total=812 [2024-11-08 17:26:26,087 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 67 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:26,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 57 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:26:26,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-08 17:26:26,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-08 17:26:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.0677966101694916) internal successors, (63), 59 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2024-11-08 17:26:26,098 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 49 [2024-11-08 17:26:26,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:26,098 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2024-11-08 17:26:26,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.133333333333334) internal successors, (77), 16 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2024-11-08 17:26:26,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 17:26:26,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:26,100 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:26,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 17:26:26,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-08 17:26:26,301 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:26,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:26,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1113980505, now seen corresponding path program 3 times [2024-11-08 17:26:26,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:26,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217134288] [2024-11-08 17:26:26,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:26,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:26,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:26,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217134288] [2024-11-08 17:26:26,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217134288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:26:26,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522288678] [2024-11-08 17:26:26,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 17:26:26,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:26,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:26,562 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:26:26,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 17:26:26,624 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-08 17:26:26,624 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:26:26,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 17:26:26,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:26:26,743 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:26,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:26:27,176 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:27,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522288678] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:26:27,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:26:27,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 27 [2024-11-08 17:26:27,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737816811] [2024-11-08 17:26:27,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:26:27,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-08 17:26:27,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:27,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-08 17:26:27,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=466, Unknown=0, NotChecked=0, Total=756 [2024-11-08 17:26:27,180 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand has 28 states, 27 states have (on average 3.925925925925926) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:27,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:27,440 INFO L93 Difference]: Finished difference Result 144 states and 176 transitions. [2024-11-08 17:26:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-08 17:26:27,441 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.925925925925926) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-11-08 17:26:27,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:27,442 INFO L225 Difference]: With dead ends: 144 [2024-11-08 17:26:27,442 INFO L226 Difference]: Without dead ends: 110 [2024-11-08 17:26:27,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=290, Invalid=466, Unknown=0, NotChecked=0, Total=756 [2024-11-08 17:26:27,443 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 63 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:27,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 69 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:26:27,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-08 17:26:27,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 108. [2024-11-08 17:26:27,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.0373831775700935) internal successors, (111), 107 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 111 transitions. [2024-11-08 17:26:27,455 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 111 transitions. Word has length 54 [2024-11-08 17:26:27,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:27,456 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 111 transitions. [2024-11-08 17:26:27,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.925925925925926) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:27,456 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 111 transitions. [2024-11-08 17:26:27,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 17:26:27,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:27,457 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:27,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-08 17:26:27,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-08 17:26:27,662 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:27,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:27,663 INFO L85 PathProgramCache]: Analyzing trace with hash 726763781, now seen corresponding path program 4 times [2024-11-08 17:26:27,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:27,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211724192] [2024-11-08 17:26:27,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:27,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:28,465 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 0 proven. 947 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:28,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:28,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211724192] [2024-11-08 17:26:28,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211724192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:26:28,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760552387] [2024-11-08 17:26:28,466 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 17:26:28,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:28,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:28,469 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:26:28,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 17:26:28,535 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 17:26:28,535 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:26:28,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 17:26:28,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:26:28,730 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 0 proven. 947 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:28,730 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:26:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 0 proven. 947 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:29,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760552387] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:26:29,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:26:29,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 51 [2024-11-08 17:26:29,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497045691] [2024-11-08 17:26:29,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:26:29,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-08 17:26:29,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:29,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-08 17:26:29,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1142, Invalid=1510, Unknown=0, NotChecked=0, Total=2652 [2024-11-08 17:26:29,851 INFO L87 Difference]: Start difference. First operand 108 states and 111 transitions. Second operand has 52 states, 51 states have (on average 3.9607843137254903) internal successors, (202), 52 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:30,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:30,309 INFO L93 Difference]: Finished difference Result 252 states and 308 transitions. [2024-11-08 17:26:30,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-08 17:26:30,310 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 51 states have (on average 3.9607843137254903) internal successors, (202), 52 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-08 17:26:30,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:30,313 INFO L225 Difference]: With dead ends: 252 [2024-11-08 17:26:30,314 INFO L226 Difference]: Without dead ends: 206 [2024-11-08 17:26:30,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1142, Invalid=1510, Unknown=0, NotChecked=0, Total=2652 [2024-11-08 17:26:30,317 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 144 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:30,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 69 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:26:30,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-08 17:26:30,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 204. [2024-11-08 17:26:30,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.019704433497537) internal successors, (207), 203 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:30,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 207 transitions. [2024-11-08 17:26:30,336 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 207 transitions. Word has length 102 [2024-11-08 17:26:30,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:30,337 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 207 transitions. [2024-11-08 17:26:30,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 3.9607843137254903) internal successors, (202), 52 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:30,338 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 207 transitions. [2024-11-08 17:26:30,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-08 17:26:30,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:30,342 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:30,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-08 17:26:30,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-08 17:26:30,546 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:30,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:30,546 INFO L85 PathProgramCache]: Analyzing trace with hash -977336739, now seen corresponding path program 5 times [2024-11-08 17:26:30,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:30,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281521695] [2024-11-08 17:26:30,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:30,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4187 backedges. 0 proven. 4187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:33,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:33,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281521695] [2024-11-08 17:26:33,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281521695] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:26:33,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838276572] [2024-11-08 17:26:33,035 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 17:26:33,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:33,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:33,038 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:26:33,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-08 17:26:33,164 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 48 check-sat command(s) [2024-11-08 17:26:33,164 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:26:33,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-08 17:26:33,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:26:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4187 backedges. 0 proven. 4187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:33,506 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:26:36,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4187 backedges. 0 proven. 4187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:36,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838276572] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:26:36,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:26:36,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50, 50] total 99 [2024-11-08 17:26:36,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646362416] [2024-11-08 17:26:36,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:26:36,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-11-08 17:26:36,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:36,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-11-08 17:26:36,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4574, Invalid=5326, Unknown=0, NotChecked=0, Total=9900 [2024-11-08 17:26:36,810 INFO L87 Difference]: Start difference. First operand 204 states and 207 transitions. Second operand has 100 states, 99 states have (on average 3.9797979797979797) internal successors, (394), 100 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:37,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:37,792 INFO L93 Difference]: Finished difference Result 468 states and 572 transitions. [2024-11-08 17:26:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-11-08 17:26:37,794 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 99 states have (on average 3.9797979797979797) internal successors, (394), 100 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 198 [2024-11-08 17:26:37,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:37,796 INFO L225 Difference]: With dead ends: 468 [2024-11-08 17:26:37,797 INFO L226 Difference]: Without dead ends: 398 [2024-11-08 17:26:37,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=4574, Invalid=5326, Unknown=0, NotChecked=0, Total=9900 [2024-11-08 17:26:37,801 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 396 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:37,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 98 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 17:26:37,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-08 17:26:37,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 396. [2024-11-08 17:26:37,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 395 states have (on average 1.010126582278481) internal successors, (399), 395 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 399 transitions. [2024-11-08 17:26:37,836 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 399 transitions. Word has length 198 [2024-11-08 17:26:37,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:37,836 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 399 transitions. [2024-11-08 17:26:37,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 99 states have (on average 3.9797979797979797) internal successors, (394), 100 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:26:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 399 transitions. [2024-11-08 17:26:37,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-11-08 17:26:37,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:37,843 INFO L215 NwaCegarLoop]: trace histogram [94, 94, 94, 94, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:37,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-08 17:26:38,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-08 17:26:38,044 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:26:38,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:38,044 INFO L85 PathProgramCache]: Analyzing trace with hash 708026637, now seen corresponding path program 6 times [2024-11-08 17:26:38,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:38,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446372337] [2024-11-08 17:26:38,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:38,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:46,228 INFO L134 CoverageAnalysis]: Checked inductivity of 17579 backedges. 0 proven. 17579 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:46,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:46,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446372337] [2024-11-08 17:26:46,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446372337] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:26:46,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885782265] [2024-11-08 17:26:46,229 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-08 17:26:46,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:46,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:46,230 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:26:46,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-08 17:26:46,443 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 96 check-sat command(s) [2024-11-08 17:26:46,444 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:26:46,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-11-08 17:26:46,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:26:47,016 INFO L134 CoverageAnalysis]: Checked inductivity of 17579 backedges. 0 proven. 17579 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:47,017 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:26:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 17579 backedges. 0 proven. 17579 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:26:58,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885782265] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:26:58,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:26:58,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 98, 98] total 195 [2024-11-08 17:26:58,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288832359] [2024-11-08 17:26:58,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:26:58,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2024-11-08 17:26:58,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:58,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2024-11-08 17:26:58,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18350, Invalid=19870, Unknown=0, NotChecked=0, Total=38220 [2024-11-08 17:26:58,979 INFO L87 Difference]: Start difference. First operand 396 states and 399 transitions. Second operand has 196 states, 195 states have (on average 3.98974358974359) internal successors, (778), 196 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:27:01,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:01,899 INFO L93 Difference]: Finished difference Result 900 states and 1100 transitions. [2024-11-08 17:27:01,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-11-08 17:27:01,900 INFO L78 Accepts]: Start accepts. Automaton has has 196 states, 195 states have (on average 3.98974358974359) internal successors, (778), 196 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 390 [2024-11-08 17:27:01,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:27:01,903 INFO L225 Difference]: With dead ends: 900 [2024-11-08 17:27:01,904 INFO L226 Difference]: Without dead ends: 782 [2024-11-08 17:27:01,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 876 GetRequests, 682 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=18350, Invalid=19870, Unknown=0, NotChecked=0, Total=38220 [2024-11-08 17:27:01,908 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 772 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:27:01,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 78 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 17:27:01,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-11-08 17:27:01,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 780. [2024-11-08 17:27:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 779 states have (on average 1.0051347881899872) internal successors, (783), 779 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:27:01,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 783 transitions. [2024-11-08 17:27:01,958 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 783 transitions. Word has length 390 [2024-11-08 17:27:01,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:27:01,959 INFO L471 AbstractCegarLoop]: Abstraction has 780 states and 783 transitions. [2024-11-08 17:27:01,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 195 states have (on average 3.98974358974359) internal successors, (778), 196 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:27:01,960 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 783 transitions. [2024-11-08 17:27:01,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2024-11-08 17:27:01,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:01,991 INFO L215 NwaCegarLoop]: trace histogram [190, 190, 190, 190, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:02,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-08 17:27:02,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:27:02,192 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:27:02,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:02,192 INFO L85 PathProgramCache]: Analyzing trace with hash 461592173, now seen corresponding path program 7 times [2024-11-08 17:27:02,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:27:02,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134035212] [2024-11-08 17:27:02,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:02,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:27:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:31,353 INFO L134 CoverageAnalysis]: Checked inductivity of 72011 backedges. 0 proven. 72011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:31,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:27:31,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134035212] [2024-11-08 17:27:31,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134035212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:27:31,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569417928] [2024-11-08 17:27:31,354 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-08 17:27:31,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:27:31,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:27:31,356 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:27:31,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-08 17:27:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:31,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 1178 conjuncts, 194 conjuncts are in the unsatisfiable core [2024-11-08 17:27:31,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:27:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 72011 backedges. 0 proven. 72011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:27:32,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:28:24,842 INFO L134 CoverageAnalysis]: Checked inductivity of 72011 backedges. 0 proven. 72011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:28:24,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569417928] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:28:24,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:28:24,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [194, 194, 194] total 387 [2024-11-08 17:28:24,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723790559] [2024-11-08 17:28:24,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:28:24,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 388 states [2024-11-08 17:28:24,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:28:24,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 388 interpolants. [2024-11-08 17:28:24,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73550, Invalid=76606, Unknown=0, NotChecked=0, Total=150156 [2024-11-08 17:28:24,881 INFO L87 Difference]: Start difference. First operand 780 states and 783 transitions. Second operand has 388 states, 387 states have (on average 3.994832041343669) internal successors, (1546), 388 states have internal predecessors, (1546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:28:45,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:28:45,747 INFO L93 Difference]: Finished difference Result 1764 states and 2156 transitions. [2024-11-08 17:28:45,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 388 states. [2024-11-08 17:28:45,749 INFO L78 Accepts]: Start accepts. Automaton has has 388 states, 387 states have (on average 3.994832041343669) internal successors, (1546), 388 states have internal predecessors, (1546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 774 [2024-11-08 17:28:45,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:28:45,756 INFO L225 Difference]: With dead ends: 1764 [2024-11-08 17:28:45,756 INFO L226 Difference]: Without dead ends: 1550 [2024-11-08 17:28:45,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1740 GetRequests, 1354 SyntacticMatches, 0 SemanticMatches, 386 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1333 ImplicationChecksByTransitivity, 67.1s TimeCoverageRelationStatistics Valid=73550, Invalid=76606, Unknown=0, NotChecked=0, Total=150156 [2024-11-08 17:28:45,774 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 2072 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2072 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 1992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:28:45,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2072 Valid, 78 Invalid, 1992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1988 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-08 17:28:45,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2024-11-08 17:28:45,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1548. [2024-11-08 17:28:45,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1548 states, 1547 states have (on average 1.0025856496444732) internal successors, (1551), 1547 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:28:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1548 states and 1551 transitions. [2024-11-08 17:28:45,932 INFO L78 Accepts]: Start accepts. Automaton has 1548 states and 1551 transitions. Word has length 774 [2024-11-08 17:28:45,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:28:45,933 INFO L471 AbstractCegarLoop]: Abstraction has 1548 states and 1551 transitions. [2024-11-08 17:28:45,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 388 states, 387 states have (on average 3.994832041343669) internal successors, (1546), 388 states have internal predecessors, (1546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:28:45,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1551 transitions. [2024-11-08 17:28:46,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1543 [2024-11-08 17:28:46,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:28:46,009 INFO L215 NwaCegarLoop]: trace histogram [382, 382, 382, 382, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:28:46,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-08 17:28:46,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:28:46,210 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:28:46,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:28:46,211 INFO L85 PathProgramCache]: Analyzing trace with hash -272842451, now seen corresponding path program 8 times [2024-11-08 17:28:46,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:28:46,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258175256] [2024-11-08 17:28:46,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:28:46,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:28:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:31:06,724 INFO L134 CoverageAnalysis]: Checked inductivity of 291467 backedges. 0 proven. 291467 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:31:06,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:31:06,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258175256] [2024-11-08 17:31:06,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258175256] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:31:06,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237348854] [2024-11-08 17:31:06,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:31:06,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:31:06,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:31:06,727 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:31:06,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-08 17:31:07,287 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:31:07,287 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:31:07,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 2330 conjuncts, 386 conjuncts are in the unsatisfiable core [2024-11-08 17:31:07,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:31:09,407 INFO L134 CoverageAnalysis]: Checked inductivity of 291467 backedges. 0 proven. 291467 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:31:09,408 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:34:54,771 INFO L134 CoverageAnalysis]: Checked inductivity of 291467 backedges. 0 proven. 291467 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:34:54,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237348854] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:34:54,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:34:54,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [386, 386, 386] total 771 [2024-11-08 17:34:54,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736959325] [2024-11-08 17:34:54,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:34:54,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 772 states [2024-11-08 17:34:54,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:34:54,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 772 interpolants. [2024-11-08 17:34:54,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=294542, Invalid=300670, Unknown=0, NotChecked=0, Total=595212 [2024-11-08 17:34:54,881 INFO L87 Difference]: Start difference. First operand 1548 states and 1551 transitions. Second operand has 772 states, 771 states have (on average 3.9974059662775616) internal successors, (3082), 772 states have internal predecessors, (3082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:39:48,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:39:48,148 INFO L93 Difference]: Finished difference Result 3492 states and 4268 transitions. [2024-11-08 17:39:48,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 772 states. [2024-11-08 17:39:48,151 INFO L78 Accepts]: Start accepts. Automaton has has 772 states, 771 states have (on average 3.9974059662775616) internal successors, (3082), 772 states have internal predecessors, (3082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1542 [2024-11-08 17:39:48,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:39:48,162 INFO L225 Difference]: With dead ends: 3492 [2024-11-08 17:39:48,162 INFO L226 Difference]: Without dead ends: 3086 [2024-11-08 17:39:48,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3468 GetRequests, 2698 SyntacticMatches, 0 SemanticMatches, 770 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2677 ImplicationChecksByTransitivity, 288.0s TimeCoverageRelationStatistics Valid=294542, Invalid=300670, Unknown=0, NotChecked=0, Total=595212 [2024-11-08 17:39:48,203 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 4801 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 3926 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4801 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 3930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:39:48,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4801 Valid, 69 Invalid, 3930 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 3926 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-08 17:39:48,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3086 states. [2024-11-08 17:39:48,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3086 to 3084. [2024-11-08 17:39:48,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3084 states, 3083 states have (on average 1.0012974375608175) internal successors, (3087), 3083 states have internal predecessors, (3087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:39:48,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 3084 states and 3087 transitions. [2024-11-08 17:39:48,418 INFO L78 Accepts]: Start accepts. Automaton has 3084 states and 3087 transitions. Word has length 1542 [2024-11-08 17:39:48,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:39:48,420 INFO L471 AbstractCegarLoop]: Abstraction has 3084 states and 3087 transitions. [2024-11-08 17:39:48,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 772 states, 771 states have (on average 3.9974059662775616) internal successors, (3082), 772 states have internal predecessors, (3082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:39:48,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 3087 transitions. [2024-11-08 17:39:48,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3079 [2024-11-08 17:39:48,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:39:48,486 INFO L215 NwaCegarLoop]: trace histogram [766, 766, 766, 766, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:39:48,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-08 17:39:48,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3104034-fdb9-4aa0-8b66-b25d533e212d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-08 17:39:48,688 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-08 17:39:48,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:39:48,689 INFO L85 PathProgramCache]: Analyzing trace with hash -560490835, now seen corresponding path program 9 times [2024-11-08 17:39:48,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:39:48,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372120207] [2024-11-08 17:39:48,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:39:48,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:39:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat