./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.06.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cec1cb80cc444268f4d15edbfcfbc42fd6cec25bcc627308222b3bf585ff5fd0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:12:14,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:12:14,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 02:12:14,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:12:14,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:12:14,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:12:14,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:12:14,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:12:14,223 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:12:14,224 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:12:14,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:12:14,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:12:14,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:12:14,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:12:14,227 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:12:14,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:12:14,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:12:14,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:12:14,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:12:14,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:12:14,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:12:14,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:12:14,234 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 02:12:14,234 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:12:14,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:12:14,235 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:12:14,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:12:14,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:12:14,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:12:14,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:12:14,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:12:14,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:12:14,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:12:14,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:12:14,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:12:14,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:12:14,239 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:12:14,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:12:14,239 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:12:14,239 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:12:14,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:12:14,240 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_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cec1cb80cc444268f4d15edbfcfbc42fd6cec25bcc627308222b3bf585ff5fd0 [2023-11-29 02:12:14,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:12:14,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:12:14,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:12:14,473 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:12:14,473 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:12:14,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-restricted-15/b.06.c [2023-11-29 02:12:17,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:12:17,424 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:12:17,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/sv-benchmarks/c/termination-restricted-15/b.06.c [2023-11-29 02:12:17,430 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/data/52f5741f7/df10e06fb3b34503bb376f55ac6ce7f2/FLAG4a06e4f42 [2023-11-29 02:12:17,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/data/52f5741f7/df10e06fb3b34503bb376f55ac6ce7f2 [2023-11-29 02:12:17,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:12:17,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:12:17,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:12:17,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:12:17,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:12:17,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:12:17" (1/1) ... [2023-11-29 02:12:17,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@206d0c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17, skipping insertion in model container [2023-11-29 02:12:17,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:12:17" (1/1) ... [2023-11-29 02:12:17,475 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:12:17,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:12:17,606 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:12:17,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:12:17,629 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:12:17,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17 WrapperNode [2023-11-29 02:12:17,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:12:17,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:12:17,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:12:17,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:12:17,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17" (1/1) ... [2023-11-29 02:12:17,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17" (1/1) ... [2023-11-29 02:12:17,655 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-11-29 02:12:17,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:12:17,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:12:17,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:12:17,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:12:17,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17" (1/1) ... [2023-11-29 02:12:17,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17" (1/1) ... [2023-11-29 02:12:17,666 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17" (1/1) ... [2023-11-29 02:12:17,671 INFO L175 MemorySlicer]: No memory access in input program. [2023-11-29 02:12:17,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17" (1/1) ... [2023-11-29 02:12:17,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17" (1/1) ... [2023-11-29 02:12:17,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17" (1/1) ... [2023-11-29 02:12:17,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17" (1/1) ... [2023-11-29 02:12:17,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17" (1/1) ... [2023-11-29 02:12:17,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17" (1/1) ... [2023-11-29 02:12:17,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:12:17,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:12:17,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:12:17,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:12:17,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17" (1/1) ... [2023-11-29 02:12:17,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:12:17,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:12:17,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:12:17,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:12:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:12:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:12:17,835 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:12:17,837 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:12:17,930 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:12:17,953 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:12:17,953 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:12:17,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:12:17 BoogieIcfgContainer [2023-11-29 02:12:17,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:12:17,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:12:17,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:12:17,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:12:17,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:12:17" (1/3) ... [2023-11-29 02:12:17,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54002643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:12:17, skipping insertion in model container [2023-11-29 02:12:17,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:12:17" (2/3) ... [2023-11-29 02:12:17,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54002643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:12:17, skipping insertion in model container [2023-11-29 02:12:17,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:12:17" (3/3) ... [2023-11-29 02:12:17,964 INFO L112 eAbstractionObserver]: Analyzing ICFG b.06.c [2023-11-29 02:12:17,981 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:12:17,981 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-29 02:12:18,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:12:18,037 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@69378fb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:12:18,037 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-29 02:12:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-29 02:12:18,047 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:18,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-29 02:12:18,048 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:12:18,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:18,053 INFO L85 PathProgramCache]: Analyzing trace with hash 60896, now seen corresponding path program 1 times [2023-11-29 02:12:18,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:18,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936671925] [2023-11-29 02:12:18,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:18,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:18,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:18,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:18,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936671925] [2023-11-29 02:12:18,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936671925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:12:18,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:12:18,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:12:18,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350115881] [2023-11-29 02:12:18,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:12:18,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:12:18,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:18,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:12:18,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:12:18,243 INFO L87 Difference]: Start difference. First operand has 16 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 15 states have internal predecessors, (17), 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 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:12:18,275 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-11-29 02:12:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:12:18,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2023-11-29 02:12:18,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:12:18,284 INFO L225 Difference]: With dead ends: 18 [2023-11-29 02:12:18,284 INFO L226 Difference]: Without dead ends: 13 [2023-11-29 02:12:18,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:12:18,290 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:12:18,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 18 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:12:18,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-29 02:12:18,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-29 02:12:18,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.625) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-11-29 02:12:18,326 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 3 [2023-11-29 02:12:18,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:12:18,327 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-11-29 02:12:18,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,327 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-11-29 02:12:18,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 02:12:18,327 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:18,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 02:12:18,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:12:18,328 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:12:18,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:18,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1887821, now seen corresponding path program 1 times [2023-11-29 02:12:18,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:18,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902085164] [2023-11-29 02:12:18,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:18,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:18,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:18,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:18,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902085164] [2023-11-29 02:12:18,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902085164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:12:18,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:12:18,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 02:12:18,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488216123] [2023-11-29 02:12:18,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:12:18,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:12:18,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:18,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:12:18,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:12:18,367 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:12:18,376 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2023-11-29 02:12:18,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:12:18,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2023-11-29 02:12:18,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:12:18,378 INFO L225 Difference]: With dead ends: 13 [2023-11-29 02:12:18,378 INFO L226 Difference]: Without dead ends: 12 [2023-11-29 02:12:18,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:12:18,380 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:12:18,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:12:18,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-29 02:12:18,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-29 02:12:18,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.5) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-29 02:12:18,385 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 4 [2023-11-29 02:12:18,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:12:18,385 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2023-11-29 02:12:18,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,385 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-29 02:12:18,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-29 02:12:18,386 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:18,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-29 02:12:18,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:12:18,387 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:12:18,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:18,387 INFO L85 PathProgramCache]: Analyzing trace with hash 58522498, now seen corresponding path program 1 times [2023-11-29 02:12:18,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:18,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203489431] [2023-11-29 02:12:18,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:18,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:18,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:18,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203489431] [2023-11-29 02:12:18,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203489431] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:12:18,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:12:18,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:12:18,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184049113] [2023-11-29 02:12:18,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:12:18,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:12:18,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:18,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:12:18,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:12:18,427 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:12:18,438 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2023-11-29 02:12:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:12:18,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-29 02:12:18,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:12:18,439 INFO L225 Difference]: With dead ends: 12 [2023-11-29 02:12:18,439 INFO L226 Difference]: Without dead ends: 11 [2023-11-29 02:12:18,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:12:18,441 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:12:18,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:12:18,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-11-29 02:12:18,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-29 02:12:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-29 02:12:18,445 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 5 [2023-11-29 02:12:18,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:12:18,445 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-29 02:12:18,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,446 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-29 02:12:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 02:12:18,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:18,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-29 02:12:18,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:12:18,447 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:12:18,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:18,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1814197487, now seen corresponding path program 1 times [2023-11-29 02:12:18,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:18,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648534340] [2023-11-29 02:12:18,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:18,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:18,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:18,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:18,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648534340] [2023-11-29 02:12:18,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648534340] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:12:18,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:12:18,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 02:12:18,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585447685] [2023-11-29 02:12:18,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:12:18,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:12:18,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:18,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:12:18,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:12:18,484 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:12:18,494 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2023-11-29 02:12:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:12:18,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2023-11-29 02:12:18,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:12:18,496 INFO L225 Difference]: With dead ends: 11 [2023-11-29 02:12:18,496 INFO L226 Difference]: Without dead ends: 10 [2023-11-29 02:12:18,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:12:18,498 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:12:18,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 6 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:12:18,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-29 02:12:18,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-29 02:12:18,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-29 02:12:18,503 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6 [2023-11-29 02:12:18,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:12:18,503 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-11-29 02:12:18,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,504 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-29 02:12:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 02:12:18,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:18,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:12:18,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:12:18,505 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:12:18,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:18,505 INFO L85 PathProgramCache]: Analyzing trace with hash 405547300, now seen corresponding path program 1 times [2023-11-29 02:12:18,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:18,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070400228] [2023-11-29 02:12:18,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:18,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:18,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:18,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:18,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070400228] [2023-11-29 02:12:18,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070400228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:12:18,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:12:18,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 02:12:18,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564245487] [2023-11-29 02:12:18,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:12:18,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:12:18,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:18,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:12:18,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:12:18,544 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2023-11-29 02:12:18,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:12:18,554 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2023-11-29 02:12:18,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:12:18,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 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 [2023-11-29 02:12:18,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:12:18,555 INFO L225 Difference]: With dead ends: 10 [2023-11-29 02:12:18,555 INFO L226 Difference]: Without dead ends: 9 [2023-11-29 02:12:18,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:12:18,557 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:12:18,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:12:18,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-29 02:12:18,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-29 02:12:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-29 02:12:18,561 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2023-11-29 02:12:18,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:12:18,562 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-29 02:12:18,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2023-11-29 02:12:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-29 02:12:18,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 02:12:18,563 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:18,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:12:18,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:12:18,563 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:12:18,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:18,564 INFO L85 PathProgramCache]: Analyzing trace with hash -312935535, now seen corresponding path program 1 times [2023-11-29 02:12:18,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:18,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303942408] [2023-11-29 02:12:18,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:18,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:18,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:18,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:18,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303942408] [2023-11-29 02:12:18,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303942408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:12:18,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:12:18,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 02:12:18,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397612752] [2023-11-29 02:12:18,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:12:18,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:12:18,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:18,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:12:18,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:12:18,602 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2023-11-29 02:12:18,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:12:18,613 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2023-11-29 02:12:18,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:12:18,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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 [2023-11-29 02:12:18,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:12:18,614 INFO L225 Difference]: With dead ends: 17 [2023-11-29 02:12:18,614 INFO L226 Difference]: Without dead ends: 16 [2023-11-29 02:12:18,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:12:18,615 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:12:18,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:12:18,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-11-29 02:12:18,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-29 02:12:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2023-11-29 02:12:18,621 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 8 [2023-11-29 02:12:18,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:12:18,621 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2023-11-29 02:12:18,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2023-11-29 02:12:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2023-11-29 02:12:18,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-29 02:12:18,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:18,622 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1] [2023-11-29 02:12:18,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:12:18,623 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:12:18,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:18,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1107373278, now seen corresponding path program 1 times [2023-11-29 02:12:18,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:18,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52810484] [2023-11-29 02:12:18,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:18,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:18,683 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:18,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:18,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52810484] [2023-11-29 02:12:18,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52810484] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:12:18,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82778] [2023-11-29 02:12:18,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:18,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:12:18,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:12:18,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:12:18,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:12:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:18,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:12:18,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:12:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:18,801 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:12:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:18,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82778] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:12:18,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:12:18,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2023-11-29 02:12:18,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555638337] [2023-11-29 02:12:18,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:12:18,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:12:18,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:18,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:12:18,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:12:18,846 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:12:18,875 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2023-11-29 02:12:18,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:12:18,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 [2023-11-29 02:12:18,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:12:18,877 INFO L225 Difference]: With dead ends: 38 [2023-11-29 02:12:18,877 INFO L226 Difference]: Without dead ends: 37 [2023-11-29 02:12:18,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:12:18,878 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:12:18,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:12:18,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-29 02:12:18,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-29 02:12:18,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 36 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2023-11-29 02:12:18,886 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 15 [2023-11-29 02:12:18,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:12:18,887 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2023-11-29 02:12:18,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:18,887 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2023-11-29 02:12:18,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 02:12:18,888 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:18,888 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 1, 1] [2023-11-29 02:12:18,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:12:19,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:12:19,093 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:12:19,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:19,094 INFO L85 PathProgramCache]: Analyzing trace with hash 15815249, now seen corresponding path program 2 times [2023-11-29 02:12:19,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:19,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399547691] [2023-11-29 02:12:19,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:19,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:19,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:19,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399547691] [2023-11-29 02:12:19,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399547691] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:12:19,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676768186] [2023-11-29 02:12:19,237 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:12:19,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:12:19,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:12:19,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:12:19,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:12:19,292 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 02:12:19,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:12:19,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:12:19,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:12:19,357 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:19,358 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:12:19,467 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:19,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676768186] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:12:19,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:12:19,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-29 02:12:19,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051427377] [2023-11-29 02:12:19,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:12:19,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 02:12:19,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:19,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 02:12:19,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:12:19,471 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:19,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:12:19,517 INFO L93 Difference]: Finished difference Result 80 states and 85 transitions. [2023-11-29 02:12:19,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 02:12:19,518 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 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 36 [2023-11-29 02:12:19,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:12:19,519 INFO L225 Difference]: With dead ends: 80 [2023-11-29 02:12:19,519 INFO L226 Difference]: Without dead ends: 79 [2023-11-29 02:12:19,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:12:19,521 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:12:19,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:12:19,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-29 02:12:19,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-29 02:12:19,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 78 states have (on average 1.0128205128205128) internal successors, (79), 78 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2023-11-29 02:12:19,533 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 36 [2023-11-29 02:12:19,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:12:19,533 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2023-11-29 02:12:19,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:19,534 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2023-11-29 02:12:19,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-29 02:12:19,536 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:19,536 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 1, 1] [2023-11-29 02:12:19,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:12:19,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:12:19,742 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:12:19,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:19,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1046726769, now seen corresponding path program 3 times [2023-11-29 02:12:19,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:19,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705574205] [2023-11-29 02:12:19,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:19,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:20,039 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:20,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:20,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705574205] [2023-11-29 02:12:20,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705574205] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:12:20,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295365505] [2023-11-29 02:12:20,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 02:12:20,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:12:20,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:12:20,044 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:12:20,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:12:20,114 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-29 02:12:20,115 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:12:20,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 02:12:20,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:12:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:20,238 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:12:20,568 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:20,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295365505] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:12:20,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:12:20,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2023-11-29 02:12:20,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594523479] [2023-11-29 02:12:20,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:12:20,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 02:12:20,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:20,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 02:12:20,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:12:20,572 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand has 24 states, 23 states have (on average 6.782608695652174) internal successors, (156), 23 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:20,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:12:20,662 INFO L93 Difference]: Finished difference Result 164 states and 175 transitions. [2023-11-29 02:12:20,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 02:12:20,663 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.782608695652174) internal successors, (156), 23 states have internal predecessors, (156), 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 78 [2023-11-29 02:12:20,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:12:20,665 INFO L225 Difference]: With dead ends: 164 [2023-11-29 02:12:20,665 INFO L226 Difference]: Without dead ends: 163 [2023-11-29 02:12:20,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:12:20,667 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:12:20,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:12:20,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-11-29 02:12:20,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2023-11-29 02:12:20,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.0061728395061729) internal successors, (163), 162 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:20,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2023-11-29 02:12:20,684 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 78 [2023-11-29 02:12:20,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:12:20,698 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2023-11-29 02:12:20,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.782608695652174) internal successors, (156), 23 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:20,699 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2023-11-29 02:12:20,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-29 02:12:20,701 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:20,701 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 22, 1, 1] [2023-11-29 02:12:20,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 02:12:20,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 02:12:20,902 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:12:20,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:20,902 INFO L85 PathProgramCache]: Analyzing trace with hash -687227727, now seen corresponding path program 4 times [2023-11-29 02:12:20,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:20,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725579029] [2023-11-29 02:12:20,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:20,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:21,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:21,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:21,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725579029] [2023-11-29 02:12:21,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725579029] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:12:21,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227232881] [2023-11-29 02:12:21,726 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 02:12:21,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:12:21,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:12:21,727 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:12:21,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 02:12:21,820 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 02:12:21,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:12:21,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 02:12:21,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:12:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:22,066 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:12:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:22,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227232881] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:12:22,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:12:22,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2023-11-29 02:12:22,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562852492] [2023-11-29 02:12:22,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:12:23,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-11-29 02:12:23,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:23,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-11-29 02:12:23,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-11-29 02:12:23,004 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand has 48 states, 47 states have (on average 6.8936170212765955) internal successors, (324), 47 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:23,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:12:23,201 INFO L93 Difference]: Finished difference Result 332 states and 355 transitions. [2023-11-29 02:12:23,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-29 02:12:23,202 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 6.8936170212765955) internal successors, (324), 47 states have internal predecessors, (324), 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 162 [2023-11-29 02:12:23,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:12:23,205 INFO L225 Difference]: With dead ends: 332 [2023-11-29 02:12:23,205 INFO L226 Difference]: Without dead ends: 331 [2023-11-29 02:12:23,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-11-29 02:12:23,208 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:12:23,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 236 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:12:23,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2023-11-29 02:12:23,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2023-11-29 02:12:23,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 330 states have (on average 1.003030303030303) internal successors, (331), 330 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:23,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 331 transitions. [2023-11-29 02:12:23,232 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 331 transitions. Word has length 162 [2023-11-29 02:12:23,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:12:23,233 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 331 transitions. [2023-11-29 02:12:23,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 6.8936170212765955) internal successors, (324), 47 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 331 transitions. [2023-11-29 02:12:23,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-11-29 02:12:23,240 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:23,240 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 46, 1, 1] [2023-11-29 02:12:23,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 02:12:23,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 02:12:23,442 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:12:23,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:23,442 INFO L85 PathProgramCache]: Analyzing trace with hash -405682895, now seen corresponding path program 5 times [2023-11-29 02:12:23,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:23,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123951600] [2023-11-29 02:12:23,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:23,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:26,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7567 backedges. 0 proven. 7567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:26,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:26,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123951600] [2023-11-29 02:12:26,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123951600] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:12:26,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564844733] [2023-11-29 02:12:26,123 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-29 02:12:26,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:12:26,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:12:26,124 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:12:26,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 02:12:26,317 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-11-29 02:12:26,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:12:26,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-29 02:12:26,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:12:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 7567 backedges. 0 proven. 7567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:26,656 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:12:29,362 INFO L134 CoverageAnalysis]: Checked inductivity of 7567 backedges. 0 proven. 7567 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:29,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564844733] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:12:29,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:12:29,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 94 [2023-11-29 02:12:29,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619751183] [2023-11-29 02:12:29,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:12:29,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-11-29 02:12:29,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:29,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-11-29 02:12:29,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-11-29 02:12:29,373 INFO L87 Difference]: Start difference. First operand 331 states and 331 transitions. Second operand has 96 states, 95 states have (on average 6.947368421052632) internal successors, (660), 95 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:29,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:12:29,848 INFO L93 Difference]: Finished difference Result 668 states and 715 transitions. [2023-11-29 02:12:29,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-11-29 02:12:29,849 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 6.947368421052632) internal successors, (660), 95 states have internal predecessors, (660), 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 330 [2023-11-29 02:12:29,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:12:29,853 INFO L225 Difference]: With dead ends: 668 [2023-11-29 02:12:29,853 INFO L226 Difference]: Without dead ends: 667 [2023-11-29 02:12:29,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-11-29 02:12:29,856 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:12:29,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 476 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:12:29,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2023-11-29 02:12:29,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 667. [2023-11-29 02:12:29,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 666 states have (on average 1.0015015015015014) internal successors, (667), 666 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:29,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 667 transitions. [2023-11-29 02:12:29,886 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 667 transitions. Word has length 330 [2023-11-29 02:12:29,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:12:29,887 INFO L495 AbstractCegarLoop]: Abstraction has 667 states and 667 transitions. [2023-11-29 02:12:29,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 6.947368421052632) internal successors, (660), 95 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 667 transitions. [2023-11-29 02:12:29,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2023-11-29 02:12:29,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:29,907 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 94, 1, 1] [2023-11-29 02:12:29,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 02:12:30,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:12:30,108 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:12:30,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:30,109 INFO L85 PathProgramCache]: Analyzing trace with hash -149793231, now seen corresponding path program 6 times [2023-11-29 02:12:30,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:30,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878666839] [2023-11-29 02:12:30,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:30,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:12:36,974 INFO L134 CoverageAnalysis]: Checked inductivity of 31255 backedges. 0 proven. 31255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:36,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:12:36,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878666839] [2023-11-29 02:12:36,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878666839] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:12:36,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861798867] [2023-11-29 02:12:36,975 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-29 02:12:36,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:12:36,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:12:36,976 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:12:36,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 02:12:37,424 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-11-29 02:12:37,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:12:37,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 96 conjunts are in the unsatisfiable core [2023-11-29 02:12:37,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:12:38,170 INFO L134 CoverageAnalysis]: Checked inductivity of 31255 backedges. 0 proven. 31255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:38,170 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:12:47,211 INFO L134 CoverageAnalysis]: Checked inductivity of 31255 backedges. 0 proven. 31255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:12:47,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861798867] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:12:47,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:12:47,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 190 [2023-11-29 02:12:47,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290886529] [2023-11-29 02:12:47,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:12:47,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-11-29 02:12:47,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:12:47,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-11-29 02:12:47,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-11-29 02:12:47,229 INFO L87 Difference]: Start difference. First operand 667 states and 667 transitions. Second operand has 192 states, 191 states have (on average 6.973821989528796) internal successors, (1332), 191 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:49,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:12:49,046 INFO L93 Difference]: Finished difference Result 1340 states and 1435 transitions. [2023-11-29 02:12:49,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-11-29 02:12:49,047 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 6.973821989528796) internal successors, (1332), 191 states have internal predecessors, (1332), 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 666 [2023-11-29 02:12:49,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:12:49,055 INFO L225 Difference]: With dead ends: 1340 [2023-11-29 02:12:49,055 INFO L226 Difference]: Without dead ends: 1339 [2023-11-29 02:12:49,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1425 GetRequests, 1235 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2023-11-29 02:12:49,058 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:12:49,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 956 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 02:12:49,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2023-11-29 02:12:49,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1339. [2023-11-29 02:12:49,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1339 states, 1338 states have (on average 1.000747384155456) internal successors, (1339), 1338 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:49,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1339 transitions. [2023-11-29 02:12:49,088 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1339 transitions. Word has length 666 [2023-11-29 02:12:49,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:12:49,089 INFO L495 AbstractCegarLoop]: Abstraction has 1339 states and 1339 transitions. [2023-11-29 02:12:49,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 6.973821989528796) internal successors, (1332), 191 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:12:49,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1339 transitions. [2023-11-29 02:12:49,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1339 [2023-11-29 02:12:49,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:12:49,132 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 191, 191, 190, 1, 1] [2023-11-29 02:12:49,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 02:12:49,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:12:49,333 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:12:49,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:12:49,334 INFO L85 PathProgramCache]: Analyzing trace with hash 173373489, now seen corresponding path program 7 times [2023-11-29 02:12:49,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:12:49,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401994536] [2023-11-29 02:12:49,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:12:49,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:12:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 127015 backedges. 0 proven. 127015 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:19,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:13:19,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401994536] [2023-11-29 02:13:19,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401994536] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:13:19,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155593848] [2023-11-29 02:13:19,989 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-29 02:13:19,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:13:19,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:13:19,990 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:13:19,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 02:13:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:13:20,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 2680 conjuncts, 192 conjunts are in the unsatisfiable core [2023-11-29 02:13:20,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:13:21,612 INFO L134 CoverageAnalysis]: Checked inductivity of 127015 backedges. 0 proven. 127015 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:21,612 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:13:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 127015 backedges. 0 proven. 127015 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:13:56,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155593848] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:13:56,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:13:56,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 191] total 382 [2023-11-29 02:13:56,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822911189] [2023-11-29 02:13:56,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:13:56,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2023-11-29 02:13:56,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:13:56,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2023-11-29 02:13:56,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2023-11-29 02:13:56,324 INFO L87 Difference]: Start difference. First operand 1339 states and 1339 transitions. Second operand has 384 states, 383 states have (on average 6.986945169712794) internal successors, (2676), 383 states have internal predecessors, (2676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:05,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:14:05,271 INFO L93 Difference]: Finished difference Result 2684 states and 2875 transitions. [2023-11-29 02:14:05,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2023-11-29 02:14:05,272 INFO L78 Accepts]: Start accepts. Automaton has has 384 states, 383 states have (on average 6.986945169712794) internal successors, (2676), 383 states have internal predecessors, (2676), 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 1338 [2023-11-29 02:14:05,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:14:05,283 INFO L225 Difference]: With dead ends: 2684 [2023-11-29 02:14:05,283 INFO L226 Difference]: Without dead ends: 2683 [2023-11-29 02:14:05,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2865 GetRequests, 2483 SyntacticMatches, 0 SemanticMatches, 382 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.8s TimeCoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2023-11-29 02:14:05,290 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1916 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:14:05,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1916 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 02:14:05,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2023-11-29 02:14:05,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2683. [2023-11-29 02:14:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2683 states, 2682 states have (on average 1.000372856077554) internal successors, (2683), 2682 states have internal predecessors, (2683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:05,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 2683 transitions. [2023-11-29 02:14:05,367 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 2683 transitions. Word has length 1338 [2023-11-29 02:14:05,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:14:05,369 INFO L495 AbstractCegarLoop]: Abstraction has 2683 states and 2683 transitions. [2023-11-29 02:14:05,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 384 states, 383 states have (on average 6.986945169712794) internal successors, (2676), 383 states have internal predecessors, (2676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:14:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 2683 transitions. [2023-11-29 02:14:05,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2683 [2023-11-29 02:14:05,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:14:05,416 INFO L195 NwaCegarLoop]: trace histogram [383, 383, 383, 383, 383, 383, 382, 1, 1] [2023-11-29 02:14:05,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 02:14:05,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 02:14:05,617 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:14:05,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:14:05,617 INFO L85 PathProgramCache]: Analyzing trace with hash -203178959, now seen corresponding path program 8 times [2023-11-29 02:14:05,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:14:05,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736819129] [2023-11-29 02:14:05,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:14:05,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:14:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:17:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 512071 backedges. 0 proven. 512071 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:01,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:17:01,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736819129] [2023-11-29 02:17:01,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736819129] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:17:01,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798339913] [2023-11-29 02:17:01,446 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:17:01,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:17:01,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:17:01,447 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:17:01,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 02:17:02,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 02:17:02,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:17:02,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 5368 conjuncts, 384 conjunts are in the unsatisfiable core [2023-11-29 02:17:02,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:17:04,570 INFO L134 CoverageAnalysis]: Checked inductivity of 512071 backedges. 0 proven. 512071 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:17:04,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:19:24,399 INFO L134 CoverageAnalysis]: Checked inductivity of 512071 backedges. 0 proven. 512071 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:19:24,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798339913] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:19:24,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:19:24,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [383, 383, 383] total 766 [2023-11-29 02:19:24,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103136313] [2023-11-29 02:19:24,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:19:24,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 768 states [2023-11-29 02:19:24,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:19:24,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 768 interpolants. [2023-11-29 02:19:24,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=294528, Invalid=294528, Unknown=0, NotChecked=0, Total=589056 [2023-11-29 02:19:24,486 INFO L87 Difference]: Start difference. First operand 2683 states and 2683 transitions. Second operand has 768 states, 767 states have (on average 6.99348109517601) internal successors, (5364), 767 states have internal predecessors, (5364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:21:00,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:21:00,531 INFO L93 Difference]: Finished difference Result 5372 states and 5755 transitions. [2023-11-29 02:21:00,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 768 states. [2023-11-29 02:21:00,533 INFO L78 Accepts]: Start accepts. Automaton has has 768 states, 767 states have (on average 6.99348109517601) internal successors, (5364), 767 states have internal predecessors, (5364), 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 2682 [2023-11-29 02:21:00,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:21:00,553 INFO L225 Difference]: With dead ends: 5372 [2023-11-29 02:21:00,554 INFO L226 Difference]: Without dead ends: 5371 [2023-11-29 02:21:00,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5745 GetRequests, 4979 SyntacticMatches, 0 SemanticMatches, 766 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 182.1s TimeCoverageRelationStatistics Valid=294528, Invalid=294528, Unknown=0, NotChecked=0, Total=589056 [2023-11-29 02:21:00,578 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 3830 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3836 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:21:00,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3836 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 02:21:00,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5371 states. [2023-11-29 02:21:00,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5371 to 5371. [2023-11-29 02:21:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5371 states, 5370 states have (on average 1.0001862197392923) internal successors, (5371), 5370 states have internal predecessors, (5371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:21:00,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5371 states to 5371 states and 5371 transitions. [2023-11-29 02:21:00,671 INFO L78 Accepts]: Start accepts. Automaton has 5371 states and 5371 transitions. Word has length 2682 [2023-11-29 02:21:00,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:21:00,674 INFO L495 AbstractCegarLoop]: Abstraction has 5371 states and 5371 transitions. [2023-11-29 02:21:00,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 768 states, 767 states have (on average 6.99348109517601) internal successors, (5364), 767 states have internal predecessors, (5364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:21:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 5371 states and 5371 transitions. [2023-11-29 02:21:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5371 [2023-11-29 02:21:00,918 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:21:00,920 INFO L195 NwaCegarLoop]: trace histogram [767, 767, 767, 767, 767, 767, 766, 1, 1] [2023-11-29 02:21:00,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 02:21:01,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03a37cc8-e142-423b-872a-de7dea4e0c7e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 02:21:01,136 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 02:21:01,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:21:01,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1394623537, now seen corresponding path program 9 times [2023-11-29 02:21:01,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:21:01,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455760600] [2023-11-29 02:21:01,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:21:01,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:21:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat